* c-common.c (c_common_init_options): Use C89 for Objective-C,
and set the options flag.
* cppinit.c (lang_flags): Remove objc.
(lang_defaults): Remove OBJC and OBJCXX.
(set_lang): Update.
(COMMAND_LINE_OPTIONS): Remove -+ and -lang-objc++.
(cpp_handle_option): Remove -+ and -lang-objc++.
For ObjC, just set a flag.
(print_help): Update.
* cpplib.h (enum c_lang): Remove CLK_OBJC and CLK_OBJCXX.
From-SVN: r53566
* c-common.c (cb_register_builtins): Handle more built-ins
here rather than in gcc.c specs.
* gcc.c (cpp_unique_options): Move many built-ins to c-common.c.
(cpp_options): Pass -O flags even when only preprocessing.
* toplev.c (set_fast_math_flags): New prototype.
(fast_math_flags_set_p): New.
(set_no_fast_math_flags): Remove.
(decode_f_option): Update.
* toplev.h (set_fast_math_flags): Update.
(fast_math_flags_set_p): New.
(set_no_fast_math_flags): Remove.
config:
* c4x/c4x.c (c4x_override_options): Update.
From-SVN: r53526
* c-common.c (STDC_0_IN_SYSTEM_HEADERS, REGISTER_PREFIX):
Default-define here.
(builtin_define_with_value): Can now wrap the expansion in
quotation marks if such is wanted.
(cb_register_builtins): Update calls to builtin_define_with_value.
Define __REGISTER_PREFIX__, __USER_LABEL_PREFIX__, and __VERSION__
here.
(c_common_init): Set options->stdc_0_in_system_headers.
* c-lex.h: Update prototype of builtin_define_with_value.
* cppdefault.h: Remove default definitions of USER_LABEL_PREFIX
and REGISTER_PREFIX.
* cppinit.c (VERS, ULP, C, X): Kill.
(builtin_array): Remove entries for __VERSION__,
__USER_LABEL_PREFIX__, __REGISTER_PREFIX__, and
__HAVE_BUILTIN_SETJMP__. Make __STDC__ always a builtin, not
a constant.
(init_builtins): Kill off a bunch of now-dead code.
(COMMAND_LINE_OPTIONS): Remove -fleading-underscore and
-fno-leading-underscore.
(cpp_handle_option): Remove code to set user_label_prefix.
(cpp_post_options): Likewise.
* cpplib.h (struct cpp_options): Remove user_label_prefix.
(stdc_0_in_system_headers): New.
* cppmacro.c (builtin_macro): Check CPP_OPTION (pfile,
stdc_0_in_system_headers) too to decide the value of __STDC__.
* tradcpp.c (user_label_prefix): Kill.
(main): Remove code handling -f(no-)leading-underscore.
(initialize_builtins): Don't define __REGISTER_PREFIX__
or __USER_LABEL_PREFIX__.
(install_value): Wrap compound statement in dummy loop so the
macro works properly in an if statement.
From-SVN: r53525
* c-parse.in (MODIFIED_WCHAR_TYPE): New macro.
(c_common_nodes_and_builtins): Use it.
(builtin_define_with_value): New function.
(cb_register_builtins): Define __SIZE_TYPE__,
__PTRDIFF_TYPE__, __WCHAR_TYPE__, and __WINT_TYPE__ here,
using builtin_define_with_value. Use consistent notation when
defining __GXX_WEAK__.
(WCHAR_TYPE_SIZE): Don't redefine.
(combine_strings): Don't use WCHAR_TYPE_SIZE.
* cppdefault.h: Don't provide defaults for SIZE_TYPE,
PTRDIFF_TYPE, WCHAR_TYPE, or WINT_TYPE.
* cppinit.c (builtin_array): Remove entries for __SIZE_TYPE__ etc.
* tradcpp.c (initialize_builtins): Likewise.
* gcc.c (cpp_unique_options): Don't muck with __WCHAR_TYPE__.
* c-lex.h (builtin_define_with_value): Prototype.
* system.h: Poison NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_WCHAR_TYPE,
NO_BUILTIN_PTRDIFF_TYPE, and NO_BUILTIN_WINT_TYPE.
* doc/tm.texi: Remove mention of NO_BUILTIN_SIZE_TYPE etc.
* config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
config/ia64/ia64.h, config/mips/dec-osf1.h, config/mips/iris6.h,
config/mips/linux.h, config/mips/mips.h, config/mips/netbsd.h,
config/mips/osfrose.h, config/mips/sni-svr4.h, config/rs6000/aix51.h,
config/s390/linux.h, config/sh/sh.h, config/sh/sh64.h,
config/sparc/linux64.h, config/sparc/netbsd-elf.h,
config/sparc/sol2-bi.h, config/sparc/sparc.h:
Do not define NO_BUILTIN_SIZE_TYPE etc. Remove all references
to __SIZE_TYPE__ etc from all spec strings. When this makes
extra specs empty, delete them.
From-SVN: r53472
* c-common.c (fix_string_type): Split out of ...
(combine_strings): ... here. Take a varray, not a tree list.
(c_expand_builtin_printf): Use fix_string_type.
* c-common.h: Update decls.
* c-parse.in (string): Remove. Update all uses to use STRING
instead, and not call combine_strings.
(yylexstring): New.
(_yylex): Use it.
* c-typeck.c (simple_asm_stmt): Don't call combine_strings.
(build_asm_stmt): Likewise.
* objc/objc-act.c (my_build_string): Use fix_string_type.
(build_objc_string_object): Build varray for combine_strings.
* parse.y (string): Remove. Update all uses to use STRING
instead, and not call combine_strings.
* rtti.c (tinfo_name): Use fix_string_type.
* semantics.c (finish_asm_stmt): Don't call combine_strings.
* spew.c (yylexstring): New.
(read_token): Use it.
* g++.dg/parse/concat1.C: New.
* gcc.dg/concat2.c: New.
From-SVN: r52790
2002-04-10 Toon Moene <toon@moene.indiv.nluug.nl>
* c-decl.c (c_init_decl_processing): Move generation of
decls for g77_integer_type_node and friends from here ...
* c-common.c (c_common_nodes_and_builtins): ... to here.
From-SVN: r52141
* toplev.c (flag_no_inline, flag_really_no_inline): Default to 2.
(parse_options_and_default_flags): Set them appropriately.
* c-common.c (c_common_post_options): Don't set flag_really_no_inline.
From-SVN: r51959
PR c/5354
* c-common.c (c_expand_expr): Preserve result of a statement
expression if needed.
Co-Authored-By: Richard Henderson <rth@redhat.com>
From-SVN: r51121
* defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New.
(MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New.
* flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New.
(HONOR_SIGN_DEPENDENT_ROUNDING): New.
* builtins.c (expand_builtin_mathfn): Use HONOR_NANS.
* c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y
unless x and y could be infinite.
(expand_unordered_cmp): New, mostly split from expand_tree_builtin.
Check that the common type of both arguments is a real, even for
targets without unordered comparisons. Allow an integer argument
to be compared against a real.
(expand_tree_builtin): Use expand_unordered_cmp.
* combine.c (combine_simplify_rtx): Use the new HONOR_... macros.
* cse.c (fold_rtx): Likewise. Fix indentation.
* fold-const.c (fold_real_zero_addition_p): New.
(fold): Use it, and the new HONOR_... macros.
* ifcvt.c (noce_try_minmax): Use the new HONOR_... macros.
* jump.c (reversed_comparison_code_parts): After searching for
the true comparison mode, use HONOR_NANS to decide whether it
can be safely reversed.
(reverse_condition_maybe_unordered): Remove IEEE check.
* simplify-rtx.c (simplify_binary_operation): Use the new macros
to decide which simplifications are valid. Allow the following
simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b),
and (a - -b) to (a + b).
(simplify_relational_operation): Use HONOR_NANS.
* doc/tm.texi: Document the MODE_HAS_... macros.
From-SVN: r50401
* c-common.c, c-common.h, c-decl.c, c-lex.c, c-parse.in,
c-tree.h, c-typeck.c, cppexp.c, cpplex.c, cpplib.c, cpplib.h,
cppmacro.c, objc/lang-specs.h, objc/objc-act.c,
builtin-types.def, builtins.def, dwarf2out.c, dwarfout.c,
gcc.c, toplev.c: Delete code implementing -traditional mode.
* ada/misc.c, ch/ch-tree.h, ch/decl.c, cp/decl2.c, f/com.c,
f/lex.c, f/top.c, java/builtins.c, java/decl.c: Delete
traditional-mode-related code copied from the C front end
but not used, or used only to permit the compiler to link.
* doc/bugreport.texi, doc/cpp.texi, doc/extend.texi,
doc/invoke.texi, doc/standards.texi, doc/trouble.texi:
Document removal of -traditional mode for compilation, and
remove documentation only relevant to that mode.
* config/nextstep.h, config/ptx4.h, config/svr4.h,
config/convex/convex.h, config/d30v/d30v.h,
config/i386/dgux.h, config/i386/osf1elf.h,
config/i386/osfelf.h, config/i386/osfrose.h,
config/i386/sco5.h, config/i386/sol2.h, config/m68k/a-ux.h,
config/m68k/hp310.h, config/m88k/dgux.h,
config/m88k/dguxbcs.h, config/m88k/luna.h, config/m88k/m88k.c,
config/m88k/m88k.h, config/m88k/openbsd.h,
config/mips/abi64.h, config/mips/osfrose.h,
config/mips/svr4-5.h, config/mips/svr4-t.h,
config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
config/stormy16/stormy16.h: Remove all references to
-traditional from target specs. Delete all mention of the
no-longer-necessary TRADITIONAL_RETURN_FLOAT macro. Also
delete a couple of commented-out definitions of
DOLLARS_IN_IDENTIFIERS, with (incorrect) commentary referring
to -traditional.
* system.h: Poison TRADITIONAL_RETURN_FLOAT.
* doc/tm.texi: Remove mention of TRADITIONAL_RETURN_FLOAT macro.
* testsuite/gcc.c-torture/execute/920730-1t.c,
testsuite/gcc.c-torture/execute/920730-1t.x,
testsuite/gcc.dg/ext-glob.c: Delete test cases, only relevant
to -traditional.
From-SVN: r50110
2002-02-21 Aldy Hernandez <aldyh@redhat.com>
* gcc.dg/attr-alwaysinline.c: New.
* c-common.c (c_common_post_options): Set inline trees by
default.
* doc/extend.texi (Function Attributes): Document always_inline
attribute.
Update documentation about inlining when not optimizing.
* cp/decl.c (duplicate_decls): Merge always_inline attribute.
* cp/tree.c (cp_cannot_inline_tree_fn): Do not inline at -O0
unless DECL_ALWAYS_INLINE.
* c-objc-common.c (c_cannot_inline_tree_fn): Do not inline at -O0
unless DECL_ALWAYS_INLINE.
(c_disregard_inline_limits): Disregard if always_inline set.
* langhooks.c (lhd_tree_inlining_disregard_inline_limits):
Disregard if always_inline set.
(lhd_tree_inlining_cannot_inline_tree_fn): Do not inline at -O0
unless DECL_ALWAYS_INLINE.
* attribs.c (handle_always_inline_attribute): New.
(c_common_attribute_table): Add always_inline.
* config/rs6000/altivec.h: Add prototypes for builtins
requiring the always_inline attribute.
From-SVN: r49947
2002-02-09 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (TARGET_CANNOT_MODIFY_JUMPS_P): Define to...
(sh_cannot_modify_jumps_p): New function.
2002-02-05 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (TARGET_MS_BITFIELD_LAYOUT_P): Define to...
(sh_ms_bitfield_layout_p): New function.
2002-02-04 Alexandre Oliva <aoliva@redhat.com>
Zack Weinberg <zack@codesourcery.com>
* config/sh/sh.h (TRAMPOLINE_ADJUST_ADDRESS): Use
expand_simple_binop instead of expand_binop.
2002-02-03 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (OVERRIDE_OPTIONS) [! TARGET_SH5]: Disable
use of .quad and .uaquad.
* config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP,
TARGET_ASM_ALIGNED_DI_OP): Add comment pointing to the above.
2002-01-24 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (movdi_const, movdi_const_32bit,
movdi_const_16bit): Make sure all CONSTs have modes.
(sym2PIC): Ditto, but by adjusting all callers.
* config/sh/sh.c (calc_live_regs) [TARGET_SHCOMPACT]: Set pr_live
if the prologue calls the SHmedia argument decoder or register
saver.
2002-01-24 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP): Define.
(TARGET_ASM_ALIGNED_DI_OP): Likewise.
(sh_expand_epilogue): Don't emit USE of return target register.
(prepare_move_operands): Legitimize DImode PIC addresses.
(sh_media_register_for_return): Skip tr0, used to initialize the
PIC register.
(sh_expand_prologue): Remove explicit USE of return register.
(nonpic_symbol_mentioned_p): PC is non-PIC. Don't recurse in
CONST_DOUBLEs. UNSPEC_GOTPLT is PIC.
* config/sh/sh.h (ASM_OUTPUT_DOUBLE_INT): Removed, obsolete.
(OVERRIDE_OPTIONS): Don't disable PIC on SH5.
(EXTRA_CONSTRAINT_S): Use MOVI_SHORI_BASE_OPERAND_P instead of
EXTRA_CONSTRAINT_T.
(GOT_ENTRY_P, GOTPLT_ENTRY_P, GOTOFF_P, PIC_ADDR_P): New.
(MOVI_SHORI_BASE_OPERAND_P): New.
(NON_PIC_REFERENCE_P, PIC_REFERENCE_P): New.
(EXTRA_CONSTRAINT_T): Define in terms of them.
(OUTPUT_ADDR_CONST_EXTRA): Handle UNSPEC_GOTPLT.
* config/sh/sh.md (movsi_media, movsi_media_nofpu,
movdi_media, movdi_media_nofpu): Add SIBCALL_REGS class to
alternatives supporting TARGET_REGS.
(UNSPEC_GOTPLT): New constant.
(movdi split): Move incrementing of LABEL_NUSES...
(movdi_const, movdi_const_32bit): Here. Use
MOVI_SHORI_BASE_OPERAND_P instead of EXTRA_CONSTRAINT_T.
(movdi_const_16bit): New.
(call, call_value) [flag_pic]: Use GOTPLT.
(call_pop, call_value_pop): New expands.
(call_pop_compact, call_pop_rettramp): New insns.
(call_value_pop_compact, call_value_pop_rettramp): New insns.
(sibcall) [flag_pic]: Use GOT.
(builtint_setjmp_receiver): Remove bogus, unused expand.
(GOTaddr2picreg): Implement for SHcompact and SHmedia.
(*pt, *ptb, ptrel): New insns.
(sym2GOT): Handle DImode GOT.
(sym2GOTPLT, symGOTPLT2reg): New expands.
(sym2PIC): New expand.
(shcompact_return_tramp): Use GOTPLT to return trampoline.
(shcompact_return_tramp_i): Use return register explicitly.
* config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SHMEDIA]: Don't
disable flag_reorder_blocks.
2002-01-19 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (sibcall_compact): Reorder return, uses and
clobbers, for clarity.
(sibcall_epilogue) [TARGET_SHCOMPACT]: Mark saving and
restoring of r0 in macl as MAYBE_DEAD.
2002-01-18 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (LONG_DOUBLE_TYPE_SIZE): Define.
* config/sh/sh.md (movv4sf_i, movv16sf_i): Fix uses of
alter_subreg all over.
(jump) [TARGET_SHMEDIA]: FAIL to create new jumps after
reload, instead of emitting instructions that would require
reloading.
(casesi_load_media): Add missing modes.
2001-11-09 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (sh_expand_prologue): Mark the PIC register
as used if the argument decoder is called.
2001-08-28 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (udivsi3, divsi3): Load libcall symbol name in
Pmode, then extend it to DImode if necessary.
2001-08-28 Stephen Clarke <Stephen.Clarke@st.com>
* config/sh/sh.h (LEGITIMATE_CONSTANT_P): Don't accept DFmode
constants in FPU-enabled SHmedia, let them be loaded from memory.
2001-08-28 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media):
Adjust whitespace in assembly output templates.
2001-08-28 Stephen Clarke <Stephen.Clarke@st.com>
* config/sh/sh.md (movdicc_false, movdicc_true, movdicc): Adjust
mode of if_then_else.
2001-08-04 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Override definition in
sh.h.
2001-07-26 Andrew Haley <aph@cambridge.redhat.com>
Joern Rennecke <amylaar@redhat.com>
* config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): New.
(SUBTARGET_CPP_PTR_SPEC): New.
(SUBTARGET_CPP_SPEC): Remove.
2001-07-06 Chandrakala Chavva <cchavva@redhat.com>
* config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
Fix typo in previous checkin.
2001-07-11 Chandrakala Chavva <cchavva@redhat.com>
* config/sh/sh.h (MODES_TIEABLE_P): Fix redact indentations.
2001-07-10 Chandrakala Chavva <cchavva@cygnus.com>
Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (MODES_TIEABLE_P): Don't tie modes wider than
what single FP register can hold for SHmedia target.
2001-07-06 Chandrakala Chavva <cchavva@redhat.com>
Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
Do not split into SUBREG.
2001-06-14 Alexandre Oliva <aoliva@redhat.com>
* config/sh/ushmedia.h, config/sh/sshmedia.h: Updated signatures
and added new functions as specified in SH5 ABI r9.
2001-06-04 Alexandre Oliva <aoliva@redhat.com>
* config/sh/lib1funcs.asm (GCC_nested_trampoline): Align to an
8-byte boundary.
2001-06-03 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (dump_table): Add const0_rtx in calls of
gen_consttable_4 and gen_consttable_8. Emit multiple labels
and consttable_window_ends.
2001-06-03 Graham Stott <grahams@redhat,com>
* config/sh/sh.md (movdi split): Remove unused variable last_insn.
2001-05-16 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (print_operand): Handle floating-point pair,
vector and matrix registers.
* config/sh/sh.h (REGISTER_MOVE_COST): Take floating-pointer
vector modes into account.
* config/sh/sh.md (movv2sf): Split move between registers into
movdf.
(movv4sf, movv16sf): Introduce insns that get split only after
reload.
* config/sh/shmedia.h: Fix Copyright dates.
* config/sh/ushmedia.h: Likewise. Move loop counter
declarations into conditionals that uses them.
(sh_media_FVADD_S, sh_media_FVSUB_S): Fix off-by-one error in
loop boundary.
* config/sh/sshmedia.h: Fix Copyright dates.
(sh_media_PUTCFG): Fix constraints.
2001-05-12 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define to
ptrmemfunc_vbit_in_delta for SH5.
2001-05-08 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (TARGET_SWITCHES): Document -m5-*.
* invoke.texi: Likewise.
2001-04-14 Alexandre Oliva <aoliva@redhat.com>
* config/sh/lib1funcs.asm (GCC_push_shmedia_regs,
GCC_push_shmedia_regs_nofpu, GCC_pop_shmedia_regs,
GCC_pop_shmedia_regs_nofpu): New global symbols.
* config/sh/t-sh64 (LIB1ASMFUNCS): Add them.
* config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): New macro.
* config/sh/sh.c (calc_live_regs): Account for PR's saving in
compact function with nonlocal labels.
(sh_expand_prologue) [SHcompact]: Push SHmedia regs if needed.
(sh_expand_epilogue) [SHcompact]: Pop them when appropriate.
(initial_elimination_offset): Account for their stack space.
* config/sh/sh.md (shmedia_save_restore_regs_compact): New insn.
* config/sh/sh.md (movsi_media, movsi_media_nofpu, movqi_media,
movhi_media, movdi_media, movdi_media_nofpu, movdf_media,
movdf_media_nofpu, movsf_media, movsf_media_nofpu): Require at
least one of the operands to be a register.
(movv2sf): Likewise. Renamed to movv2sf_i.
(movdi, movdf, movv2sf, movv4sf, movv16sf, movsf):
prepare_move_operands() before emitting SHmedia insns.
2001-04-03 Alexandre Oliva <aoliva@redhat.com>
* config/sh/crti.asm (init, fini) [__SH5__ && ! __SHMEDIA__]:
Don't save nor initialize r12. Don't mis-align the stack.
Pad the code with a nop.
* config/sh/crti.asm: Don't restore r12. Don't mis-align the
stack.
2001-03-13 Alexandre Oliva <aoliva@redhat.com>
* gcc/longlong.h (__umulsidi3, count_leading_zeros)
[__SHMEDIA__]: Implement.
2001-03-11 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md: Set latency of `pt' closer to reality.
(movsi_media, movsi_media_nofpu, movdi_media, movdi_media_nofpu,
movdf_media, movdf_media_nofpu, movsf_media, movsf_media_nofpu):
Set move, load and store type attributes.
* config/sh/sh.c (sh_loop_align) [TARGET_SH5]: Set to 3.
* config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SH5]: Disable
profiling.
* config/sh/sh.h (PROMOTE_MODE): Sign-extend SImode to DImode.
* config/sh/sh-protos.h (sh_media_register_for_return): Declare.
* config/sh/sh.c (sh_media_register_for_return): New function.
(sh_expand_prologue) [TARGET_SHMEDIA]: Copy r18 to an available
branch-target register.
(sh_expand_epilogue) [TARGET_SHMEDIA]: Explicitly USE it.
* config/sh/sh.md (return_media_i): Use any call-clobbered
branch-target register.
(return_media): If r18 wasn't copied in the prologue, copy it
here.
* config/sh/sh.h (CONDITIONAL_REGISTER_USAGE) [TARGET_SHMEDIA]:
Clear class FP0_REGS.
* config/sh/sh64.h (LINK_SPEC): Removed incorrect default copied
from elf.h.
2001-03-08 DJ Delorie <dj@redhat.com>
* config/sh/sh.h (OVERRIDE_OPTIONS): Disable relaxing for SHMEDIA.
2001-02-09 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (sibcall_compact): Set fp_mode to single.
2001-02-07 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (INT_ASM_OP) [SHMEDIA64]: Use `.quad'.
2001-02-03 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (INIT_CUMULATIVE_ARGS): Compute size of BLKmode
return value correctly for call_cookie.
2001-02-01 Alexandre Oliva <aoliva@redhat.com>
* config/sh/crt1.asm (start): Modified so as to call
___setup_argv_and_call_main.
2001-01-26 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't count stack_regs in
SHmedia mode.
2001-01-20 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (STRIP_DATALABEL_ENCODING): New macro.
(STRIP_NAME_ENCODING): Use it.
(ASM_OUTPUT_LABELREF): Likewise. Don't call assemble_name().
2001-01-19 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (sgeu) [! SHMEDIA]: Fix invocation of
prepare_scc_operands().
* config/sh/sh.h (SH_DATALABEL_ENCODING): Change to "#"...
(DATALABEL_SYMNAME_P): ... so that we don't need memcmp here.
2001-01-17 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (STRIP_NAME_ENCODING): Strip leading `*'.
2001-01-13 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (shcompact_incoming_args): Use R0_REG.
* config/sh/sh.md (R7_REG, R8_REG, R9_REG): Define as constants,
used in shcompact_incoming_args.
* config/sh/sh.c (sh_expand_epilogue): Fix thinko in previous
change.
* config/sh/crt1.asm (start) [SH5]: Switch to single-precision
mode.
* config/sh/lib1funcs.asm (sdivsi3_i4, udivsi3_i4, set_fpscr):
Adjust accordingly.
* config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
Simplify. Adjust. Add sanity check.
* config/sh/sh.h (TARGET_SWITCHES) [5-compact]: Set
FPU_SINGLE_BIT.
* config/sh/sh.md (udivsi3_i4_single, divsi3_i4_single): Match
TARGET_SHCOMPACT.
(udivsi3, divsi3): Use them.
(force_mode_for_call): New insn.
(call, call_value, sibcall_value): Emit it before SHcompact
calls.
2001-01-11 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (call, call_value, sibcall): Make sure the
call cookie is non-NULL before taking its value.
2001-01-10 Alexandre Oliva <aoliva@redhat.com>
* config.gcc (sh64): Set target_requires_64bit_host_wide_int.
2001-01-09 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (shcompact_incoming_args): Set argument memory
block.
* config/sh/sh.h (STATIC_CHAIN_REGNUM) [SH5]: Use r1.
* config/sh/sh.c (sh_expand_prologue) [SH5]: Use r0 as
temporary for stack adjusts. Use MACL and MACH to pass
arguments to shcompact_incoming_args.
* config/sh/sh.md (shcompact_incoming_args): Adjust. Don't
clobber r1.
* config/sh/lib1funcs.asm (shcompact_incoming_args): Likewise.
(nested_trampoline): Load static chain address into r1.
* config/sh/sh.md (movdi_media splits): Fix sign-extension.
2001-01-07 Alexandre Oliva <aoliva@redhat.com
* config/sh/sh.c (fpul_operand) [SHMEDIA]: Just call
fp_arith_reg_operand().
2001-01-06 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (casesi): Sign-extend the first two operands,
and use signed compares for them.
* config/sh/sh.c (dump_table): Don't emit 8-byte constants after
4-byte ones. Instead, inter-leave them, maintaining the 8-byte
ones properly aligned.
(find_barrier): Account for extra alignment needed for 8-byte wide
constants.
(machine_dependent_reorg): Require a label for the second 4-byte
constant after an 8-byte one.
* config/sh/lib1funcs.asm (sdivsi3): Fix typo in yesterday's
change.
2001-01-05 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (machine_dependent_reorg) [SHCOMPACT]: Reset
last_float when switching float modes.
* config/sh/sh.md (movdf) [SH5]: Don't use stack-pointer
auto-increment for general-purpose registers.
* config/sh/lib1funcs.asm (sdivsi3) [SHMEDIA]: Sign-extend the
result.
* config/sh/sh.c (sh_expand_prologue) [SH5]: Use r1 as temporary
for stack adjust.
* config/sh/sh.c (sh_builtin_saveregs): Support using all
registers for varargs.
2001-01-01 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Simplify.
* config/sh/sh.h (CALL_COOKIE_STACKSEQ,
CALL_COOKIE_STACKSEQ_SHIFT, CALL_COOKIE_STACKSEQ_GET): New macros.
(CALL_COOKIE_INT_REG_SHIFT): Adjust.
(FUNCTION_ARG_ADVANCE): Use SHCOMPACT_FORCE_ON_STACK. Adjust
call_cookie accordingly.
(FUNCTION_ARG): Test SHCOMPACT_FORCE_ON_STACK.
(SHCOMPACT_BYREF): Likewise.
(SHCOMPACT_FORCE_ON_STACK): New macro.
* config/sh/sh.c (sh_expand_prologue): Use new call_cookie format.
(sh_builtin_saveregs): Likewise.
* config/sh/lib1funcs.asm (shcompact_call_trampoline,
shcompact_incoming_args): Use new shift values. Support
sequences of consecutive and non-consecutive pushes/pops.
* config/sh/sh.md (return): Don't explicitly use PR_REG.
2001-01-05 Hans-Peter Nilsson <hpn@cygnus.com>
* config/sh/sh.h (TEXT_SECTION): Define.
* config/sh/elf.h (ASM_FILE_START): Output TEXT_SECTION_ASM_OP.
2001-01-05 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (INIT_CUMULATIVE_LIBCALL_ARGS): New macro.
* config/sh/sh.h (BASE_RETURN_VALUE_REG): Use FP regs for
return values on FPU-enabled SHmedia.
(FUNCTION_VALUE_REGNO_P): Mark FIRST_FP_RET_REG as used on
FPU-enabled SHmedia.
(INIT_CUMULATIVE_ARGS): Set up return trampoline only if
value is returned in a non-FP reg and is not returned by
reference.
* config/sh/sh.md (shcompact_return_tramp_i): Change type to
jump_ind.
2000-01-04 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (SH_MIN_ALIGN_FOR_CALLEE_COPY): New.
(FUNCTION_ARG_CALLEE_COPIES): Require argument to be
quad-aligned to be passed by callee-copy reference.
2001-01-03 Alexandre Oliva <aoliva@redhat.com>
* config/sh/elf.h (MAX_WCHAR_TYPE_SIZE): Define.
* config/sh/sh64.h (MAX_WCHAR_TYPE_SIZE): Undefine.
2001-01-02 Alexandre Oliva <aoliva@redhat.com>
* config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix error in
copying low-numbered FP regs to r7 and r8.
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't request copying of
FP regs to general-purpose regs only if the copy was passed on the
stack.
* config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix typo in
copying FP reg to r9.
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Use trampoline to
copy FP regs to general-purpose regs only in outgoing calls.
* config/sh/sh.md (movdf_media, movsf_media): Revert incorrect
change from 2000-10-30. Adjust for 64-bit (or 32-bit)
HOST_WIDE_INT.
* config/sh/sh.h (struct sh_args): Document all fields.
(FUNCTION_OK_FOR_SIBCALL): Functions that receive arguments
passed partially on the stack should not consider making
sibcalls.
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Add byref regs to
stack_regs only for incoming calls. When passing FP args,
make sure there are FP regs available before modifying
call_cookie.
(SHCOMPACT_BYREF): Pass double args in general-purpose
registers by reference.
2000-12-30 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (FUNCTION_OK_FOR_SIBCALL) [SHCOMPACT]: Don't
attempt to generate sibcalls if the caller got any arguments
by reference.
* config/sh/lib1funcs.asm (set_fpscr) [SH5]: Default to double.
* config/sh/sh.c (dump_table) [SHCOMPACT]: Align DImode and DFmode
to 8-byte boundaries.
* config/sh/sh.md (shcompact_preserve_incoming_args): New insn.
* config/sh/sh.h (CALL_COOKIE_INT_REG_GET): New macro.
* config/sh/sh.c (sh_expand_prologue): Preserve args that will be
stored in the stack.
* config/sh/lib1funcs.asm (ct_main_table, ia_main_table): Arrange
for the offsets to have the ISA bit set.
(shcompact_call_trampoline): Document. Swap r0 and r1, to match
invocation. Use beq instead of bgt to mark end of sequence of
loads.
(shcompact_incoming_args): Fix store of r2. Use beq instead of
bgt to mark end of sequence of stores.
* config/sh/sh.c (arith_operand): Don't check whether
CONST_OK_FOR_J for now.
* config/sh/sh.md (movdf_media, movsf_media): Use HOST_WIDE_INT
instead of long for conversion.
2000-12-29 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (print_operand_address): Convert INTVAL to int
before passing it to fprintf.
2000-12-28 Alexandre Oliva <aoliva@redhat.com>
* config/sh/crt1.asm (start): Reset SR.FD, to enable the FP unit.
Call set_fpscr before reading/writing SR.
* config/sh/crt1.asm (start): Set SR.SZ and SR.PR, but not SR.FR.
Call set_fpscr.
* config/sh/lib1funcs.asm: Add `.align 2' directives before
SHmedia code.
(FMOVD_WORKS): Define on SH5 with FPU.
(set_fpscr): Define on SH5. Remove separate _fpscr_values
setting.
* config/sh/t-sh64 (LIB1ASMFUNCS): Add _set_fpscr instead of
_fpscr_values.
2000-12-28 Hans-Peter Nilsson <hpn@cygnus.com>
* config/sh/lib1funcs.asm (ct_main_table): Align contents to even
address.
(ia_main_table): Ditto.
2000-12-27 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (MAX_WCHAR_TYPE_SIZE): Don't define.
* config/sh/sh64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Reinstate
the definitions from sh.h.
* config/sh/sh.h (PTRDIFF_TYPE): Define as conditional on
TARGET_SH5.
(SUBTARGET_CPP_SPEC): Arrange for __PTRDIFF_TYPE__ to be defined.
* config/sh/elf.h (PTRDIFF_TYPE): Likewise.
* config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
2000-12-26 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (movdi_media split): Don't add REG_LABEL notes.
Increment LABEL_NUSES.
From-SVN: r49630
PR c/5482:
* c-common.c (c_expand_expr) [STMT_EXPR]: If last expression is not
EXPR_STMT, but COMPOUND_STMT, recurse into it.
* gcc.c-torture/execute/20020206-1.c: New test.
From-SVN: r49549
* c-common.def (FILE_STMT): New code.
* c-common.c (statement_code_p): It's a statement.
* c-common.h (stmt_tree_s): Add x_last_filename.
(FILE_STMT_FILENAME_NODE, FILE_STMT_FILENAME): New macros.
(last_expr_filename): New macro.
* c-semantics.c (begin_stmt_tree): Initialize it.
(add_stmt): If the filename changed, also insert a
FILE_STMT.
(expand_stmt): Handle seeing one.
From-SVN: r48881
* c-common.c (c_expand_start_cond): Expect the IF_STMT node to
be passed in, do not build it.
(c_begin_if_stmt): New function.
(c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
* c-common.h (c_expand_start_cond): Update prototype.
(c_begin_if_stmt): Prototype new function.
(c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
* c-parse.in (if_prefix): Use c_begin_if_stmt,
c_begin_while_stmt and c_finish_while_stmt_cond.
From-SVN: r48539
* c-common.h (genrtl_expr_stmt_value): Declare.
* c-semantics.c (genrtl_goto_stmt): Redirect to...
(genrtl_goto_stmt_value): ... this new function. Pass new
argument down to expand_expr_stmt_value, taking
TREE_ADDRESSABLE into account.
* c-common.c (c_expand_expr): Mark the last EXPR_STMT of a
STMT_EXPR as addressable, i.e., one whose result we want.
* expr.c (expand_expr): Don't save expression statement value
of labeled_blocks or loop_exprs.
* stmt.c (expand_expr_stmt): Redirect to...
(expand_expr_stmt_value): ... this new function. Use new
argument to tell whether to save expression value.
(expand_end_stmt_expr): Reset last_expr_type and
last_expr_value if we don't have either.
* tree-inline.c (declare_return_variable): Mark its use
statement as addressable.
* tree.h: Document new use of TREE_ADDRESSABLE.
(expand_expr_stmt_value): Declare.
From-SVN: r48456
* builtin-attrs.def (__builtin_printf_unlocked,
__builtin_fprintf_unlocked, printf_unlocked, fprintf_unlocked):
Mark with the __printf__ attribute.
* builtins.c (expand_builtin_fputs): Add an `unlocked' parameter
and set the replacement function depending on it.
(expand_builtin): Skip BUILT_IN_*_UNLOCKED when not optimizing.
Handle BUILT_IN_*_UNLOCKED when optimizing.
* builtins.def (DEF_EXT_FALLBACK_BUILTIN,
DEF_EXT_FRONT_END_LIB_BUILTIN): New macros.
Declare the "unlocked" stdio functions.
* c-common.c (c_expand_builtin_printf, c_expand_builtin_fprintf):
Add an `unlocked' parameter and set the replacement function
depending on it.
(c_expand_builtin): Handle BUILT_IN_PRINTF_UNLOCKED and
BUILT_IN_FPRINTF_UNLOCKED.
* doc/extend.texi (printf_unlocked, fprintf_unlocked,
fputs_unlocked): Document.
testsuite:
* gcc.dg/format/builtin-1.c: Test unlocked stdio.
* gcc.dg/format/c90-printf-3.c: Likewise.
* gcc.dg/format/c99-printf-3.c: Likewise.
* gcc.dg/format/ext-1.c: Likewise.
* gcc.dg/format/ext-6.c: Likewise.
* gcc.dg/format/format.h: Prototype unlocked stdio.
From-SVN: r48229
* c-common.c (shadow_warning): New function, moved from cp/decl.c.
* c-common.h (shadow_warning): New.
* c-decl.c: Include c-common.h.
(warn_if_shadowing): New, broken out of pushdecl.
(pushdecl): Use warn_if_shadowing.
(store_parm_decls): Prevent duplicate -Wshadow warnings.
cp:
* decl.c: Include c-common.h.
(shadow_warning): Move to c-common.c.
testsuite:
* gcc.dg/Wshadow-1.c: New test.
From-SVN: r47701
* stmt.c (expand_expr_stmt): Keep last_expr_value non-NULL iff
we're interested in the result. Use it to tell whether to
ignore results of enclosed expressions.
(expand_start_stmt_expr): Added new argument, and initialize
last_expr_value accordingly.
* tree.h (expand_start_stmt_expr): Adjusted declaration.
* c-common.c (c_expand_expr): Adjust call.
* expr.c (expand_expr) [EXPR_WFL]: Pass const0_rtx down if
ignoring the result.
From-SVN: r47607
* c-common.c (c_expand_expr_stmt): Apply default conversions to
non-lvalue arrays if C99.
* c-typeck.c (default_conversion): Split out code handling
array-to-pointer and function-to-pointer conversions into a
separate default_function_array_conversion function.
(default_function_array_conversion): New function. Keep track of
whether any NON_LVALUE_EXPRs were stripped. Return non-lvalue
arrays unchanged outside C99 mode instead of giving an error for
them.
(build_component_ref): Use pedantic_non_lvalue when handling
COMPOUND_EXPR. Don't handle COND_EXPR specially.
(convert_arguments): Use default_function_array_conversion.
(build_unary_op): For ADDR_EXPR, take a flag indicating whether
non-lvalues are OK.
(unary_complex_lvalue): Likewise.
(internal_build_compound_expr): Use
default_function_array_conversion. Apply default conversions to
function in compound expression.
(build_c_cast, build_modify_expr, digest_init, build_asm_stmt):
Use default_function_array_conversion.
* doc/extend.texi: Update documentation of subscripting non-lvalue
arrays.
Fixes PR c/461.
testsuite:
* gcc.dg/c90-array-lval-1.c, gcc.dg/c90-array-lval-2.c,
gcc.dg/c99-array-lval-1.c, gcc.dg/c99-array-lval-2.c: Remove
XFAILs. Adjust expected error texts.
* gcc.c-torture/compile/20011106-1.c,
gcc.c-torture/compile/20011106-2.c, gcc.dg/c90-array-lval-3.c,
gcc.dg/c90-array-lval-4.c, gcc.dg/c90-array-lval-5.c,
gcc.dg/c99-array-lval-3.c, gcc.dg/c99-array-lval-4.c,
gcc.dg/c99-array-lval-5.c: New tests.
From-SVN: r46805
* alias.c (can_address_p): Compnonents are not addressable if
the containing type has alias set 0.
(get_alias_set): Rework to use STRIP_NOPS.
Only call front-end routine on object, type, or object with
NOPs stripped, not inner values.
Use language hook to call front-end routine.
* builtins.c (get_memory_rtx): Always call set_mem_attributes.
(expand_builtin_apply): Call set_mem_align on MEMs we make.
Don't pass alignment to emit_block_move.
(expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
(expand_builtin_memset): Likewise, but for clear_storage.
* c-common.c (lang_get_alias_set): Renamed to c_common_alias_set
and remove C++ specific parts.
* c-common.h (c_common_get_alias_set): Add declaration.
* c-lang.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
* calls.c (emit_call_1): Fix typo in sibcall_pop case.
(save_fixed_argument_area): Call set_mem_align.
Remove alignment in call to emit_block_move.
(emit_library_call_value_1, store_one_arg): Likewise.
(target_for_arg): Remove; disabled long ago.
* emit-rtl.c (set_mem_attributes): Rework to only call get_mem_attrs
once and similar cleanups.
(offset_address): Use proper introductory comment.
* expr.c (emit_block_move): Use alignment from that of MEM args, not
from explicit operand; all callers changed.
(clear_storage): Likewise.
(expand_assignment): Don't call set_mem_alias_set on to_rtx.
(store_field): Remove kludge on alias set used for to_rtx.
(highest_pow2_factor, case *_DIV_EXPR): Never return 0.
(expand_expr_unaligned): Call set_mem_attributes instead of
set_mem_alias_set.
* expr.h (emit_block_move, clear_storage): Remove ALIGN argument.
* function.c (assign_stack_temp_for_type): Set MEM alignment.
(expand_function_end): Track MEM attributes of trampolines.
* ifcvt.c (noce_try_cmove_arith): Set alignment of new MEM.
* integrate.c (copy_rtx_and_substitute, case CALL): Copy memory
attributes from original.
* langhooks.c (lang_hook_default_get_alias_set): New function.
(hook_get_alias_set_0): New function.
* langhooks.h (hook_get_alias_set_0): New declaration.
(lang_hook_default_get_alias_set): Likewise.
(LANG_HOOKS_GET_ALIAS_SET): New macro; add to initializer.
* reload1.c (alter_reg): Use adjust_address_nv.
* rtl.c (get_mode_alignment): Moved to here.
* rtl.h (MEM_ALIGN): Take default from mode, if not BLKmode, and
change default if unknown from 1 to BITS_PER_UNIT.
* stor-layout.c (get_mode_alignment): Remove from here.
* toplev.h (struct lang_hoks): Add get_alias_set field.
* tree.h (lang_get_alias_set): Delete declaration.
* config/arc/arc.c (arc_setup_incoming_varags): Set MEM alignment.
* config/i386/i386.c (ix86_setup_incoming_varargs): Likewise.
(ix86_va_arg): Likewise.
* config/i960/i960.c (i960_setup_incoming_varargs): Likewise.
* config/pa/pa.c (hppa_builtin_saveregs): Likewise.
* config/sparc/sparc.c (sparc_va_arg): Likewise.
* config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
(expand_block_move_mem): Remove dead code.
* cp/cp-lang.c (cxx_get_alias_set): New function.
Point LANG_HOOKS_GET_ALIAS_SET to it.
* f/com.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
(lang_get_alias_set): Delete.
* java/lang.c (lang_get_alias_set): Deleted.
From-SVN: r46440
* c-common.c (warn_div_by_zero): New.
* c-common.h (warn_div_by_zero): New.
* c-decl.c (c_decode_option): Take it on the command line.
* c-typeck.c (build_binary_op): Warn about division by zero.
* doc/invoke.texi: Document the new command line option, fix
documentation of -Wmultichar.
* testsuite/gcc.dg/divbyzero.c: New tests.
* testsuite/gcc.dg/noncompile/20010524-1.c: Update.
From-SVN: r46439
* Makefile.in (print-rtl.o): Depend on TREE_H.
* alias.c (get_alias_set): Make two passes over objects to first
see if inner object is access via restricted pointer.
Defer allocating alias set for restricted pointer until here.
Call find_placeholder with second arg nonzero.
Minor cleanups.
* c-common.c (c_apply_type_quals_to_decl): Defer getting alias
set for restricted pointer types.
* emit-rtl.c (set_mem_attributes): Set more attributes.
(set_mem_align, change_address, adjust_address_1): New functions.
(change_address_1): Now static.
(adjust_address, adjust_address_nv): Deleted.
(replace_equiv_address): Call change_address_1.
* expr.c (get_inner_reference): Handle PLACEHOLDER_EXPR.
(find_placeholder): Get starting point from PLIST arg.
(expand_expr, case PLACEHOLDER_EXPR): Initialize find_placeholder arg.
* expr.h (set_mem_align, change_address, adjust_address_1): New decls.
(adjust_address, adjust_address_nv): New macros.
* print-rtl.c (tree.h): New include.
(print_rtx, case MEM): Print all memory attributes.
From-SVN: r46314
* Makefile.in (OBJS): Added tree-inline.o.
(c-common.o): Depend on tree-inline.h.
(tree-inline.o): New target.
* c-common.c: Include tree-inline.h.
(c_mark_lang_decl): Don't mark saved_tree.
(c_common_lang_init): Set lang_anon_aggr_type_p.
* c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
(struct c_lang_decl): Moved saved_tree to tree_decl.
* ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
* integrate.h (function_attribute_inlinable_p): Declare it.
* integrate.c (function_attribute_inlinable_p): Export it.
* tree-inline.c: New file. Define variables declared in...
* tree-inline.h: New file. Declare functions to be moved to
tree-inline.c. Define macros and declare types and hooks for
language-specific tree inlining.
(flag_inline_trees): Moved definition from cp/decl2.c.
* tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
(TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
(struct tree_decl): Moved saved_tree from c_lang_decl and
inlined_fns from C++'s lang_decl.
From-SVN: r46021
* c-common.c (c_format_attribute_table): Make format and
format_arg attributes apply to function types rather than to
decls.
(is_valid_printf_arglist): Construct an attribute list and pass
that to check_function_format rather than a name.
* c-common.h (check_function_format): Adjust prototype.
* c-decl.c (duplicate_decls): Preserve attributes from type of
built-in decl when allowing for harmless conflict in types.
* c-format.c (record_function_format,
record_international_format, function_format_list,
international_format_info, international_format_list): Remove.
(function_format_info): Remove next, name and assembler_name.
Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
(decode_format_attr): New.
(handle_format_attribute): Handle receiving a type rather than a
decl. Call decode_format_attr. Store format information in a
function_format_info.
(handle_format_arg_attribute): Correct comment. Handle receiving
a type rather than a decl. Use unsigned HOST_WIDE_INT for
arg_num.
(check_format_info_recurse, check_format_info_main): Take argument
numbers as unsigned HOST_WIDE_INT.
(check_function_format): Take a list of attributes from the
function type rather than a name or assembler name. Check for
format attributes in that list and the attributes on the type of
the current function rather than looking through
function_format_list.
(check_format_info): Use unsigned HOST_WIDE_INT for argument
numbers.
(check_format_info_recurse): Take format_arg attributes from the
type of the function calls rather than using
international_format_list. Allow for multiple format_arg
attributes.
* c-typeck.c (build_function_call): Pass type attributes to
check_function_format rather than name or assembler name. Don't
require there to be a name or assembler name to check formats.
cp:
* call.c (build_over_call), typeck.c (build_function_call_real):
Pass type attributes to check_function_format rather than name or
assembler name. Don't require there to be a name or assembler
name to check formats.
testsuite:
* g++.dg/warn/format2.C, gcc.dg/format/attr-7.c,
gcc.dg/format/multattr-1.c, gcc.dg/format/multattr-2.c,
gcc.dg/format/multattr-3.c: New tests.
* gcc.dg/format/attr-3.c: Update expected error texts. Remove
tests for format attributes on function pointers being rejected.
From-SVN: r45945
* attribs.c: New file, from c-common.c.
(attribute_tables): Now four elements.
(format_attribute_table, lang_attribute_common): New variables.
(init_attributes): Reflect above changes.
(handle_mode_attribute): Delete check for wider than uintmax.
* c-common.c: Delete parts moved to attribs.c.
(enum attrs): Deleted; unused.
(c_format_attribute_table): New variable.
(c_common_lang_init): Initialize format_attribute_table with it.
* c-common.h (decl_attributes): Remove decl.
* tree.h (decl_attribute): Move it to here.
* Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
(attribs.o): New rule.
* ch/Make-lang.in (cc1chill): Add attribs.o.
* cp/Make-lang.in (CXX_C_OBJS): Add attribs.o.
From-SVN: r45749
* c-common.c (signed_or_unsigned_type): Handle machine mode types
which have no corresponding C type.
* fold_const.c (target_isinf,target_isnan,target_negative): Update
the representation of 64-bit doubles to work with 64-bit ints.
From-SVN: r45479
* c-common.c (decl_attributes): Take a pointer to the node to
which attributes are to be attached, and a flags argument.
* c-common.h (enum attribute_flags): New.
(decl_attributes): Update prototype.
* c-decl.c (start_decl, push_parm_decl, finish_struct,
finish_enum, start_function): Update calls to decl_attributes.
* c-parse.in (component_declarator, component_notype_declarator,
label): Update calls to decl_attributes.
cp:
* decl2.c (cplus_decl_attributes): Take a pointer to the node to
which attributes are to be attached, and a flags argument. Update
call to decl_attributes.
(grokfield): Update call to decl_attributes.
* class.c (finish_struct): Update call to cplus_decl_attributes.
* cp-tree.h (cplus_decl_attributes): Update prototype.
* decl.c (start_decl, grokdeclarator, start_function): Update
calls to decl_attributes and cplus_decl_attributes.
* friend.c (do_friend): Update call to cplus_decl_attributes.
* parse.y (parse_bitfield): Update call to cplus_decl_attributes.
From-SVN: r43995
* c-common.c (verify_tree): Check for x being NULL.
* doc/c-tree.texi: Document COMPOUND_BODY of an empty
COMPOUND_STMT.
Fixes PR c/3259.
testsuite:
* gcc.dg/20010622-1.c: New test.
From-SVN: r43508
* builtins.def: Encode additional information, such as names and
types, here.
* builtin-types.def: New file.
* builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
(built_in_decls): Likewise. Don't explicitly initialize global
data to NULL.
(expand_builtin_mathfn): Handle float and long double variants of
math builtins.
(expand_builtin): Likewise.
* c-common.c (c_common_nodes_and_builtins): Make it table-driven.
(expand_tree_builtin): Handle long, long long, float, and long
double variants of math functions.
* c-common.h (c_tree_index): Remove some unused nodes.
(void_ftype): Remove.
(void_type_ptr): Likewise.
(int_ftype_int): Likewise.
(ptr_ftype_sizetype): Likewise.
* c-decl.c (init_decl_processing): Remove creation of DWARF
builtins.
* defaults.h (MD_INIT_BUILTINS): Provide default definition.
* tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
* Makefile.in (c-common.o): Depend on builtin-types.def.
* decl.c (init_decl_processing): Tweak.
From-SVN: r42583
* c-common.c (finish_label_expr): New function, lifted from
from cp/semantics.c.
* c-common.h (finish_label_expr, lookup_label): New prototypes.
* c-parse.in: Move 3 blocks of parser code into new functions.
* c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
* c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
(lookup_label): Remove.
From-SVN: r41959
2001-02-27 Diego Novillo <dnovillo@redhat.com>
* c-common.c (walk_stmt_tree): Visit the chain of the current tree
even if walk_subtrees is 0.
* c-semantics.c (prune_unused_decls): Return a non-null value to
stop traversing the tree chain.
From-SVN: r40106
* c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
(flag_short_double, flag_short_wchar): Define.
(c_common_nodes_and_builtins): Create many tree nodes shared
between C and C++ here instead of in cp/decl.c and ...
* c-decl.c (init_decl_processing): ... here.
(SIZE_TYPE, WCHAR_TYPE): Don't define.
(flag_short_double, flag_short_wchar): Don't define.
(record_builtin_type): New function.
(build_void_list_node): New function.
* c-common.h (flag_short_double, flag_short_wchar,
record_builtin_type, build_void_list_node): Declare.
cp:
* decl.c (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE): Don't define.
(record_builtin_type): Make non-static.
(flag_short_double): Don't declare.
(init_decl_processing): Remove the creation of many tree nodes now
in c_common_nodes_and_builtins.
(build_void_list_node): New function.
* decl2.c (flag_short_double, flag_short_wchar): Don't define.
* cp-tree.h (flag_short_wchar): Don't declare.
From-SVN: r38695
* c-common.c (c_common_lang_init): New function. Warn if format
warning options which only have effects when used with -Wformat
are used without -Wformat.
* c-common.h (c_common_lang_init): Declare.
* c-lang.c (lang_init): Call c_common_lang_init.
* objc/objc-act.c (lang_init): Call c_common_lang_init.
cp:
* lex.c (lang_init): Call c_common_lang_init.
From-SVN: r38672
* c-common.c (c_common_nodes_and_builtins): Set prototype
parameters for __builtin_fputs, __builtin_fputc and
__builtin_fwrite. Don't declare plain fputc as a builtin.
testsuite:
* gcc.c-torture/execute/stdio-opt-1.c: Also test
__builtin_fputc and __builtin_fwrite.
From-SVN: r38605
* c-common.c (enum format_type): Add strfmon_format_type.
(decl_attributes): Handle format attributes strfmon and
__strfmon__.
(FMT_FLAG_USE_DOLLAR, FMT_FLAG_ZERO_WIDTH_BAD,
FMT_FLAG_EMPTY_PREC_OK): Define.
(format_char_info): Update comment for flag_chars.
(format_flag_spec): Add skip_next_char.
(format_kind_info): Add left_precision_char.
(printf_flag_specs, scanf_flag_specs, strftime_flag_specs,
format_types): Update for these new structure members and flags.
(time_char_table): Make const.
(strfmon_length_specs, strfmon_flag_specs, strfmon_flag_pairs,
monetary_char_table): New.
(format_types): Add details of strfmon formats.
(init_function_format_info): Create default attribute for strfmon.
(check_format_info_main): Check the new flags. Handle
skip_next_char and left precision.
* toplev.c (documented_lang_options): Update description of
-Wformat.
* extend.texi: Document strfmon format attributes. Document
attribute forms such as __printf__. Clarify format_arg attribute
documentation.
* invoke.texi (-Wformat): Update for strfmon formats.
testsuite:
* gcc.dg/format-strfmon-1.c: New test.
From-SVN: r38512
* c-common.c (builtin_function_2): New function.
(c_common_nodes_and_builtins): Use it to define each pair (foo,
__builtin_foo) of builtins in one place.
From-SVN: r38474
* c-typeck.c (build_asm_stmt): New, broken out from ...
(c_expand_asm_operands): ... here. Just do rtl expansion.
(c_expand_return): Return the new stmt node.
(c_start_case, do_case): Likewise.
* c-common.c (c_expand_expr_stmt): Likewise.
* c-common.h: Update declarations.
* c-tree.h: Likewise.
* c-semantics.c (build_stmt): Use STMT_LINENO not TREE_COMPLEXITY.
* c-parse.in (fndef): Set DECL_SOURCE_LINE to the open brace.
(nested_function, notype_nested_function): Likewise.
(compstmt): Return the compound statement not the binding level.
(lineno_labeled_stmt): Simplify.
(lineno_stmt, lineno_label): Set STMT_LINENO.
(stmt, label): Return the new stmt node.
From-SVN: r38402
* c-common.c (STD_C9L, ADJ_STD): Define.
(printf_length_specs, scanf_length_specs): Mark "ll" as standard
STD_C9L.
(T99_LL): Rename to T9L_LL.
(T99_ULL): Rename to T9L_ULL.
(print_char_table, scan_char_table): Use T9L_LL and T9L_ULL
instead of T99_LL and T99_ULL.
(check_format_info_main): Use ADJ_STD on all format standard
versions being compared.
* c-common.h: Declare warn_long_long.
* c-tree.h: Don't declare warn_long_long.
cp:
* cp-tree.h: Don't declare warn_long_long.
testsuite:
* gcc.dg/format-warnll-1.c: New test.
From-SVN: r38369
* c-common.c (c_common_nodes_and_builtins): Create a
cstring_endlink, use it. Rename int_ftype_string_string to
int_ftype_cstring_cstring, string_ftype_string_int to
string_ftype_cstring_int, and string_ftype_string_string to
string_ftype_cstring_cstring. Prefer sizetype_endlink and
int_endlink to manually recreating them. Fix the prototype
set for __builtin_strspn/__builtin_strcspn.
From-SVN: r38329
* c-common.c (check_function_format): Don't suggest adding format
attributes to functions with no parameter to which to add them.
testsuite:
* gcc.dg/format-miss-2.c: New test.
From-SVN: r38163
* c-common.c (warn_format_security): New variable.
(check_format_info): Warn about non-literal formats with no format
arguments if either -Wformat-nonliteral or -Wformat-security is
specified.
(set_Wformat): Set warn_format_security for settings other than 1.
* c-common.h (warn_format_security): Declare.
* c-decl.c (c_decode_option): Decode -Wformat-security and
-Wno-format-security.
* invoke.texi: Document -Wformat-security.
* toplev.c (documented_lang_options): Include -Wformat-security
and -Wno-format-security.
cp:
* decl2.c (lang_decode_option): Handle -Wformat-security.
testsuite:
* format-sec-1.c: New test.
From-SVN: r38106
* c-common.c (check_format_info): Warn for non-constant format
strings with strftime formats if -Wformat-nonliteral. Where the
format can convert arguments, if the format is not a string
literal and there are no arguments to the format, give a different
warning message from the general non-string-literal case.
testsuite:
* gcc.dg/format-nonlit-3.c: New test.
From-SVN: r38105
* c-common.c (format_wanted_type): Add reading_from_flag.
(print_char_table): Mark %s and %S formats with flag "R".
(check_format_info_main): Set up reading_from_flag appropriately.
If aflag, always set writing_in_flag rather than relying on the
format used being a scanf format and so having it set.
(check_format_types): Check for formats reading through null
pointers.
testsuite:
* gcc.dg/c90-printf-1.c: Add test for printf formats reading
through a null pointer.
From-SVN: r38104
* c-common.c (parse_in): Make a cpp_reader *.
* cppfiles.c (_cpp_fake_include): Remove.
* cpphash.h: Similarly.
* cpplib.c (do_line): Don't call _cpp_fake_include. A valid
#line always creates a callback; FC_RENAME if there are no
#line flags.
* fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
The first EOF must be our get_char buffer.
From-SVN: r38101
* c-common.c (combine_strings): When the ISO C standard specifies
the maximum length of a string, it doesn't include the trailing
zero byte.
* gcc.dg/cpp/if-6.c: New testcase.
From-SVN: r37961
* c-common.c (c_unsafe_for_reeval): New function.
(add_c_tree_codes): Register it.
* c-common.h: Declare it.
* tree.c (lang_unsafe_for_reeval): New hook.
(unsafe_for_reeval): Call it.
* tree.h: Declare it.
From-SVN: r37623
* stringpool.c: New file.
* ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
(ggc_alloc_string): Now in stringpool.o.
* ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
* ggc.h: Delete prototype of ggc_add_string_root. #define
ggc_add_string_root and ggc_mark_string to nothing. Prototype
init_stringpool and stringpool_statistics.
(ggc_alloc_string): Returns a const char *.
* tree.c (hash_table, do_identifier_warnings): Delete.
(init_obstacks): Don't initialize the identifier hash table.
(get_identifier, maybe_get_identifier, start_identifier_warnings,
set_identifier_size): Now in stringpool.c.
* tree.h (struct tree_string): Constify pointer field.
(approx_sqrt): Prototype.
* Makefile.in (stringpool.o): Add rule, mention in OBJS.
* toplev.c (approx_sqrt): New function.
(compile_file): Call stringpool_statistics if mem_report is on.
(main): Call init_stringpool.
* builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
(process_directive), c-typeck.c (constructor_asmspec, struct
initializer_stack, start_init), except.c (create_rethrow_ref),
stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
(built_in_filename), varasm,c (in_named_name,
assemble_static_space, struct constant_descriptor, struct
deferred_string, struct pool_constant, force_const_mem),
i386.c (pic_label_name, global_offset_table_name), rs6000.c
(rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
* c-common.c (combine_strings): Combine strings in scratch
buffer, then pass to build_string.
* optabs.c (init_libfuncs), profile.c (init_edge_profiler,
output_func_start_profiler), stmt.c (init_stmt), alpha.c
(alpha_need_linkage), arm.c (arm_encode_call_attribute),
i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
rs6000.c (rs6000_encode_section_info): Create string in
scratch buffer, then pass to ggc_alloc_string.
* stmt.c (expand_asm_operands): If we must adjust the
constraint strings, do so by creating a new one, not by
modifying the old one in place. Constify some char *s.
* config/pa/pa.c (hppa_encode_label): Drop unnecessary second
argument. Create string in scratch buffer, then pass to
ggc_alloc_string.
* config/pa/pa-protos.h: Update prototype.
* config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
hppa_encode_label takes only one argument.
* c-parse.in (if_prefix): Find the filename and line number at
$-2 and $-1 respectively.
* diagnostic.c (error_recursion): Add missing newline, use
fputs, translate string.
cp:
* lex.c (struct impl_files, internal_filename): Constify a char *.
java:
* jcf-parse.c (get_constant), parse.y (do_merge_string_cste):
Create string in scratch buffer, then pass to build_string.
From-SVN: r37514
2000-11-13 Andrew Haley <aph@redhat.com>
* tree.c (build_type_no_quals): New function.
* tree.h (build_type_no_quals): Declare.
* c-common.c (c_get_alias_set): When considering type
compatibility for pointer types, ignore cv-qualifiers anywhere in
a pointer chain.
From-SVN: r37479
* builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
BUILT_IN_STRRCHR.
* builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
* c-common.c (c_common_nodes_and_builtins): Declare index and
rindex when nonansi builtins are allowed.
* extend.texi (index, rindex): Document new builtins.
testsuite:
* gcc.c-torture/execute/string-opt-3.c: Also test builtin rindex.
* gcc.c-torture/execute/string-opt-4.c: Also test builtin index.
From-SVN: r37416
* builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
(c_getstr): New function.
(expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
If both arguments are constant string, optimize out.
(expand_builtin_strchr, expand_builtin_strrchr): New functions.
(expand_builtin_strpbrk): Use c_getstr, do nothing if
-fcheck-memory-usage.
(expand_builtin_fputs): Likewise.
(expand_builtin_strcmp): Add MODE argument.
Use even if !HAVE_cmpstrsi.
Optimize the case when both arguments are constant strings.
(expand_builtin): Adjust expand_builtin_strcmp caller.
Call expand_builtin_strchr and expand_builtin_strrchr.
* c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
builtins.
* builtins.def (BUILT_IN_STRRCHR): Add.
* gcc.c-torture/execute/string-opt-1.c: Add test for strstr
with both arguments constant strings.
* gcc.c-torture/execute/string-opt-3.c: New test.
* gcc.c-torture/execute/string-opt-4.c: New test.
* gcc.c-torture/execute/string-opt-5.c: New test.
From-SVN: r37338
* c-common.c (get_flag_spec, check_format_info_main,
check_format_types): Use strchr () instead of index (). Compare
against error_mark_node instead of comparing the TREE_CODE against
ERROR_MARK.
From-SVN: r37205
* c-common.c (check_format_info_recurse): Extract string constant
initializers from non-volatile constant arrays and check them as
formats.
* c-typeck.c (decl_constant_value): Don't check pedantic or check
for DECL_MODE (decl) != BLKmode.
(decl_constant_value_for_broken_optimization): New function which
includes these checks.
(default_conversion, convert_for_assignment, digest_init): Use
decl_constant_value_for_broken_optimization instead of
decl_constant_value.
testsuite:
* gcc.dg/format-array-1.c: New test.
From-SVN: r36965
* c-common.c (check_format_types): Check for writing through a
NULL pointer argument.
testsuite:
* gcc.dg/c90-printf-1.c, gcc.dg/c90-scanf-1.c: Add tests for
writing through null pointers; remove comment about testing
unterminated strings.
From-SVN: r36936
* c-common.c (check_format_info_main): Minor cleanup: move
variables into inner scopes; initialize declarations where
appropriate; don't hardcode "scanf" name on warning for zero
width.
From-SVN: r36929
* c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
(format_types): Use it for printf.
(maybe_read_dollar_number): Add parameter for the kind of format
involved. Warn for multiple use for arguments if this is
inappropriate for the kind of format involved.
(check_format_info_main): Update calls to maybe_read_dollar_number.
testsuite:
* gcc.dg/format-xopen-1.c: Update comments; adjust for checking
for multiple use of arguments with scanf formats; add tests for
multiple use of arguments.
From-SVN: r36905
* c-common.h (warn_missing_format_attribute): New variable.
* c-decl.c (warn_missing_format_attribute): New variable.
(c_decode_option): Decode -Wmissing-format-attribute and
-Wno-missing-format-attribute.
* c-common.c (check_function_format): If
-Wmissing-format-attribute, give a warning where a vprintf or
vscanf function is called by a function without its own printf or
scanf attribute.
* toplev.c (documented_lang_options): Add
-Wmissing-format-attribute.
* invoke.texi: Document -Wmissing-format-attribute.
cp:
* decl2.c (warn_missing_format_attribute): New variable.
(lang_decode_option): Decode -Wmissing-format-attribute.
testsuite:
* gcc.dg/format-miss-1.c: New test.
From-SVN: r36897
* c-common.c (format_check_results): New structure.
(finish_dollar_format_checking): Adjust to take a
format_check_results * parameter.
(check_format_info, check_format_info_recurse,
check_format_info_main): Split check_format_info into three
functions, the main checking going in check_format_info_main.
Recurse when any reduction of the format string argument towards a
string literal is done; go down both branches of a conditional
expression. Don't warn for extra format arguments or empty format
strings if they only occur in some branches of a conditional
expression.
testsuite:
* gcc.dg/format-branch-1.c: New test.
From-SVN: r36883
* c-common.c (decl_attributes): Don't allow strftime formats with
first_arg_num nonzero.
(check_format_info): Set wanted_type and wanted_type_name to zero
before they are possibly assigned and used.
testsuite:
* gcc.dg/format-attr-1.c: New test.
From-SVN: r36845
* c-common.c (scanf_flag_specs): Add flags ' and I.
(strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
or the ^ and # flags together.
(scan_char_table): Handle the ' and I flags.
(format_types): Add ' and I flags for scanf.
testsuite:
* gcc.dg/c99-scanf-2.c, gcc.dg/format-ext-2.c: Test ' and I
scanf flags.
* gcc.dg/format-ext-3.c: Test mutually exclusive pairs of strftime
flags.
From-SVN: r36842
* c-common.c (print_char_table): Use the unpromoted type for
lengths "h" and "hh" with conversions dioxXu.
(check_format_types): Apply the default argument promotions where
the wanted type is not a pointer target.
From-SVN: r36841
* tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
* c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
CTI_UINTMAX_TYPE.
(intmax_type_node, uintmax_type_node): Define.
* c-common.c (decl_attributes): If pedantic, warn if `mode'
attributes create a type wider than intmax_t.
(T_IM, T_UIM): Define properly.
* c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
defined.
(init_decl_processing): Initialize intmax_type_node and
uintmax_type_node.
* c-lex.c (lex_number): When pedantic and warning for integer
constants that are too large, in C99 mode warn for those that have
a type wider than long long.
cp:
* decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
defined.
(init_decl_processing): Initialize intmax_type_node and
uintmax_type_node.
testsuite:
* gcc.dg/c99-printf-1.c, gcc.dg/c99-scanf-1.c,
gcc.dg/c90-printf-2.c, gcc.dg/c90-scanf-2.c: Define intmax_t and
uintmax_t using <limits.h> to emulate the compiler's internal
logic. No longer XFAIL %j tests.
From-SVN: r36791
* c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
FMT_FLAG_FANCY_PERCENT_OK): Define.
(format_char_info): Add flag "4" to comment.
(format_flag_spec, format_flag_pair): New structures.
(format_kind_info): Add additional fields to control format
checking.
(printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
arrays.
(time_char_table): Use "4" flag to handle %Ey.
(format_types): Add entries for new fields.
(get_flag_spec): New function.
(check_format_info): Increase size of flag_chars[] to 256.
Control format checking using the new fields of a format_kind_info
and the new tables; remove all conditionals on printf_format_type,
scanf_format_type or strftime_format_type. Handle all details of
bad combinations of flags (including width, precision and strftime
modifiers) through data rather than ad hoc code. Handle all
details of standard versions in which flags appeared through
data. Use the "4" flag.
testsuite:
* gcc.dg/c90-printf-1.c, gcc.dg/c90-scanf-1.c,
gcc.dg/c99-printf-1.c, gcc.dg/c99-scanf-1.c,
gcc.dg/c99-strftime-1.c, gcc.dg/format-ext-3.c: Adjust error
regexps and details of expected handling of some bad formats.
* gcc.dg/format-xopen-1.c: Add test for $ format with assignment
suppression.
From-SVN: r36790
* builtins.c (is_valid_printf_arglist, expand_builtin_printf):
Move functions from here ...
* c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
... to here.
(c_expand_builtin): New function.
(init_function_format_info): Don't set `check_function_format_ptr'.
(c_common_nodes_and_builtins): Set built_in_class type for
printf/__builtin_printf to BUILT_IN_FRONTEND.
(c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
* c-common.h (build_function_call): Declare.
* expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
to `lang_expand_expr' rather than `expand_builtin'.
* tree.c (check_function_format_ptr): Delete.
* tree.h (check_function_format_ptr): Likewise.
From-SVN: r36758
* c-common.c (format_char_info): Add flags2; update comments.
(print_char_table, scan_char_table, time_char_table): Split some
flags out into flags2.
(check_format_info): Use flags2 for those flags, for identifying
the initial character of a scanf scanset, and for identifying
printf formats where the '0' flag is ignored with precision.
From-SVN: r36623
* c-common.c (check_format_info): Warn for a wide character string
used as a non-wide format argument.
testsuite:
* gcc.dg/c90-printf-1.c: Add test for wide string format.
From-SVN: r36586
* c-common.c (check_format_info): Properly save the argument
number and parameter for $ operand number formats in case width
and precision arguments are also used. Allow printf width and
precision arguments to have operand numbers even if none was
specified for the main format, since this is OK for %*.*m. Only
object to missing $ operand number if the format used requires an
argument.
testsuite:
* gcc.dg/format-ext-1.c: Add tests for mixing %m with $ formats.
* gcc.dg/format-xopen-1.c: Fix error in one $ format test. Add
more $ format tests.
From-SVN: r36493
* c-common.c (format_char_info): Add 'W' flag to comment.
(print_char_table, scan_char_table): Use it.
(check_format_info): Use the 'W' flag to determine whether a
format argument is written into.
From-SVN: r36492
* c-common.c (check_format_types): Reorganise and clean up,
checking earlier for ERROR_MARKs and making cur_type into its
TYPE_MAIN_VARIANT where convenient.
From-SVN: r36490
* splay-tree.c (splay_tree_predecessor): Fix typo in comment.
Convert the C front-end to use function-at-a-time mode.
* c-common.h: Include splay-tree.h.
(C_DECLARED_LABEL_FLAG): New macro.
(struct language_function): Add x_scope_stmt_stack and
x_function_name_declared_p.
(RECHAIN_STMTS): Move definition.
(lang_statment_code_p): Likewise.
(lang_expand_stmt): Likewise.
(lang_expand_decl_stmt): New variable.
(lang_expand_function_end): Likewise.
(current_scope_stmt_stack): New function.
(add_decl_stmt): Likewise.
(add_scope_stmt): Likewise.
(mark_stmt_tree): Likewise.
(struct c_lang_decl): New structure.
(DECL_SAVED_TREE): Define.
(c_mark_lang_decl): New function.
(c_expand_start_cond): Change prototype.
(c_finish_then): New function.
(c_finish_else): Likewise.
(current_function_name_declared): Remove.
(set_current_function_name_declared): Likewise.
(mark_c_language_function): Declare.
(case_compare): Likewise.
(c_add_case_label): Likewise.
(c_expand_expr): Likewise.
(c_safe_from_p): Likewise.
* c-common.c (lang_expand_function_end): New variable.
(struct if_elt): Add if_stmt.
(c_expand_start_cond): Add the if-statement to the statement-tree,
rather than generating RTL.
(c_finish_then): New function.
(c_expand_start_else): Don't generate RTL.
(c_finish_else): New function.
(c_expand_expr_stmt): Don't generate RTL.
(statement_code_p): Add SCOPE_STMT.
(case_compare): New function.
(c_add_case_label): Likewise.
(mark_stmt_tree): Likewise.
(c_mark_lang_decl): Likewise.
(mark_c_language_function): Likewise.
(c_expand_expr): Likewise.
(c_safe_from_p): Likewise.
* c-decl.c (c_stmt_tree): New variable
(c_scope_stmt_stack): Likewise.
(c_function_name_declared_p): Likewise.
(lang_expand_expr_stmt): Remove.
(poplevel): Don't call output_inline_function for nested
functions.
(pushdecl): Don't set DECL_CONTEXT for a local declaration of an
`extern' function.
(redeclaration_error_message): Change means of computing whether
or not a function is nested.
(lookup_label): Don't call label_rtx.
(init_decl_processing): Add more GC roots.
(start_decl): Add DECL_STMTs to the statement-tree, rather than
calling rest_of_decl_compilation.
(finish_decl): Don't call expand_decl.
(store_parm_decls): Begin the statement-tree, but don't generate
RTL.
(finish_function): Tie off the statement-tree. Call c_expand_body
if appropriate.
(c_expand_body): New function.
(push_c_function_context): Save more information.
(pop_c_function_contxt): Likewise.
(copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
(lang_mark_tree): Mark it.
(current_stmt_tree): Adjust.
(current_scope_stmt_stack): New function.
(do_case): Remove.
(set_current_name_declared): Likewise.
(c_begin_compound_stmt): Define.
(c_expand_decl_stmt): Likewise.
* c-lang.c: Include rtl.h and expr.h.
(lang_init): Set more language-specific hooks.
* c-lex.c: Include expr.h.
* c-parse.in: Changes throughout to add statements to the
statement-tree, rather than generating RTL after every statement.
* c-semantics.c (lang_expand_decl_stmt): Define.
(add_decl_stmt): New function.
(add_scope_stmt): Likewise.
(finish_stmt_tree): Tweak.
(genrtl_expr_stmt): Likewise.
(genrtl_decl_stmt): Handle local labels, and call
lang_expand_decl_stmt if required.
(genrtl_for_stmt): Fix line-number handling.
(genrtl_case_label): Handle cleanups.
(genrtl_asm_stmt): Don't call combine_strings.
(genrtl_compound_stmt): Simplify.
(expand_stmt): Handle SCOPE_STMTs.
* c-tree.h (struct lang_decl): New structure.
(C_DECLARED_LABEL_FLAG): Remove.
(c_begin_compound_stmt): Declare.
(c_expand_decl_stmt): Likewise.
(c_expand_start_case): Rename to c_start_case.
(c_finish_case): New function.
* c-typeck.c (start_init): Tweak setting of
constructor_incremental.
(c_expand_asm_operands): Tweak error-handling. Add to the
statement-tree.
(c_expand_return): Add to the statement-tree.
(c_expand_start_case): Rename to ...
(c_start_case): ... this.
(struct c_switch): New type.
(switch_stack): New variable.
(do_case): Simplify.
(c_finish_case): New function.
* dependence.c: Include expr.h.
(enum dependence_type): Change spelling of enumerals.
(check_node_dependence): Adjust.
* expr.h (lang_safe_from_p): Declare.
(safe_from_p): Likewise.
* expr.c (lang_safe_from_p): New variable.
(safe_from_p): Give it external linkage. Use lang_safe_from_p.
* stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
* toplev.c (rest_of_decl_compilation): Robustify.
* tree.c (contains_placeholder_p): Likewise.
* Makefile.in: Update dependencies.
* objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
* objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
(objc_expand_function_end): New function.
(finish_method_def): Use it.
(init_objc): Initialize more language-specific hooks.
* objc/Make-lang.in: Update dependencies.
* cp-tree.h (struct cp_language_function): Remove
x_scope_stmt_stack and name_declared.
(current_scope_stmt_stack): Remove.
(function_name_declared_p): New macro.
(struct lang_decl_flags): Use c_lang_decl as a base class.
(context): Remove.
(struct lang_decl): Replace saved_tree with context.
(DECL_FRIEND_CONTEXT): Adjust accordingly.
(SET_DECL_FRIEND_CONTEXT): Likewise.
(DECL_VIRTUAL_CONTEXT): Likewise.
(DECL_SAVED_TREE): Remove.
(C_DECLARED_LABEL_FLAG): Likewise.
(cplus_expand_expr_stmt): Don't declare.
(add_decl_stmt): Likewise.
(add_scope_stmt): Likewise.
* decl.c (mark_stmt_tree): Remove.
(case_compare): Likewise.
(finish_case_label): Use c_add_case_label.
(init_decl_processing): Set more language-specific hooks.
(build_enumerator): Fix typo in comment.
(cplus_expand_expr_stmt): Remove.
(mark_lang_function): Use mark_c_language_function.
(lang_mark_tree): Use c_mark_lang_decl.
* decl2.c: Change order of inclusion.
* except.c: Likewise.
* expr.c (cplus_expand_expr): Remove handling of STMT_EXPR. Fall
back on c_expand_expr.
* friend.c: Include expr.h.
* init.c: Change order of inclusion.
* Makefile.in: Update dependencies.
* lex.h (free_lang_decl_chain): Remove.
* optimize.c (maybe_clone_body): Use function_name_declared_p.
* pt.c (build_template_decl): Don't copy DECL_VIRTUAL_CONTEXT if
it doesn't exist.
(instantiate_decl): Use function_name_declared_p.
* semantics.c (lang_expand_expr_stmt): Remove.
(set_current_function_name_declared): Likewise.
(current_function_name_declared): Likewise.
(begin_compound_stmt): Use function_name_declared_p.
(add_decl_stmt): Remove.
(setup_vtbl_ptr): Use function_name_declared_p.
(add_scope_stmt): Remove.
(current_scope_stmt_stack): New function.
(cp_expand_stmt): Don't handle SCOPE_STMTs.
(expand_body): Use function_name_declared_p.
* tree.c (cp_statement_code_p): Don't include SCOPE_STMT.
* typeck.c: Change order of includes.
(convert_sequence): Remove.
From-SVN: r36464
* c-common.c (format_wanted_type): New structure.
(check_format_types): New function.
(check_format_info): Pass all checking of types of format
arguments, including width and precision arguments, to this new
function.
From-SVN: r36446
* c-common.c (time_char_table): Allow %#b and %#h.
testsuite:
* gcc.dg/format-ext-3.c: Test %#b and %#h as formats that should
be accepted.
From-SVN: r36241
top level:
* Makefile.in: Remove all references to c-parse.gperf,
c-gperf.h, and c-parse.h. Remove -d from yacc command line
generating c-parse.c. Update dependencies.
* c-parse.gperf, c-gperf.h: Delete.
* c-common.c: Don't define parse_options, cpp_token, yy_cur,
yy_lim, or yy_get_token. Don't define get_directive_line if
USE_CPPLIB.
* c-common.h: Add multiple include guard. Define RID values
for every keyword in C, C++, and Objective C. Put all the
modifiers first.
(struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
* c-decl.c (c_decode_option): Handle -lang-objc here.
(print_lang_identifier): Handle C_IS_RESERVED_WORD case.
(grokdeclarator): Adjust for new RID scheme.
(extract_interface_info): New stub.
* c-lang.c: Don't declare yy_cur or parse_options.
(lang_init_options): Call cpp_init. Don't call
cpp_options_init.
(lang_init): Don't call check_newline if USE_CPPLIB.
* c-lex.c: Don't include c-parse.h. Do include timevar.h.
Elide lots of unnecessary code if USE_CPPLIB. Delete code
rendered unnecessary by new architecture. Move routines not
shared with C++ to c-parse.in. Maintain a local idea of the
line number. Handle C++ as well as C.
[USE_CPPLIB]: Declare and register callbacks for #ident and
for entering/leaving files.
(init_c_lex, c_lex): Are now the entry points to this file.
(check_newline): Break out directive handling to
process_directive.
(read_ucs, is_extended_char, utf8_extend_token): Moved here
from C++ front end.
(readescape, parse_float): Overhaul.
(lex_number, lex_string, lex_charconst): Break out of c_lex
(n'ee yylex).
(get_fileinfo, update_header_times, dump_one_header,
dump_time_statistics): New and/or moved here from C++.
Support per-file data needed by C++ and per-header timing
statistics (C++ only, at the moment).
* c-lex.h: Update prototypes. Add multiple include guard.
* c-tree.h (struct lang_identifier): Add rid_code field.
(C_IS_RESERVED_WORD, C_RID_CODE): New.
* c-parse.in: Include c-pragma.h. Remove unnecesary calls to
reinit_parse_for_function and/or position_after_white_space.
(save_filename, save_lineno): Look ahead before saving.
(label -> identifier ':'): Save file and line before shifting ':'.
(reservedwords): No need to call get_identifier.
(init_parse, finish_parse, yyerror, yylex, yyprint,
make_pointer_declarator): Are now here for C/ObjC.
(rid_to_yy): Conversion table from RID constants to Yacc codes.
* c-pragma.c: Rewrite parsing logic to fit with cpplib's
#pragma registry. Provide dummy implementation of that
interface if !USE_CPPLIB.
* c-pragma.h: Update to match.
* flags.h: Add multiple include guard.
(flag_detailed_statistics): Moved here from C++.
* toplev.c: Define flag_detailed_statistics.
* gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
#if USE_CPPLIB.
* timevar.def (TV_CPP, TV_LEX): New.
* timevar.h: Add multiple include guard.
* objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
#if USE_CPPLIB.
* objc/objc-act.c: Don't mention yy_cur or parse_options.
Initialize cpplib properly. Force lineno to 0 after first
call to check_newline. Don't handle -lang-objc here.
Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
cp:
* Make-lang.in, Makefile.in: Remove all references to input.c,
gxx.gperf, and hash.h. Add ../c-lex.o to C_OBJS.
* gxx.gperf, hash.h, input.c: Delete.
* lang-specs.h: Pass -lang-c++ to cc1plus so cpplib is
initialized properly.
* class.c (fixup_pending_inline): Take a tree, not a
struct pending_inline *. All callers changed.
(init_class_processing): Set RID_PUBLIC, RID_PRIVATE,
RID_PROTECTED entries in ridpointers[] array here.
* decl.c (duplicate_decls): Do not refer to struct
pending_inline.
(record_builtin_type, init_decl_processing): Use RID_MAX not
CP_RID_MAX.
(grokdeclarator): Use C_IS_RESERVED_WORD.
* decl2.c (lang_decode_option): Ignore -lang-c++ for sake of
cpplib.
(grok_x_components): Do not inspect pending_inlines chain.
* cp-tree.h (struct lang_identifier): Add rid_code entry.
(C_IS_RESERVED_WORD, C_RID_CODE, C_RID_YYCODE): New.
(flag_no_gnu_keywords, flag_operator_names, rid_to_yy): Declare.
(DEFARG_LENGTH, struct pending_inline, TIME_IDENTIFIER_TIME,
TIME_IDENTIFIER_FILEINFO): Kill.
Update prototypes.
* lex.h: Expunge cp_rid. Rewrite RIDBIT macros to use just a
single 32-bit word.
* parse.y: Call do_pending_inlines unconditionally.
reinit_parse_for_method is now snarf_method. fn.defpen is no
longer necessary. Remove unnecessary <itype> annotation on
SCOPE. Do not refer to end_of_file or struct pending_inline.
* semantics.c (begin_inline_definitions): Call
do_pending_inlines unconditionally.
* lex.c: Remove all code now shared with C front end.
Initialize cpplib properly if USE_CPPLIB. Put reserved words
into the get_identifier table. Rewrite pragma handling to
work with the registry. Move code to save tokens for later
processing to spew.c.
* spew.c: Rewrite everything in terms of token streams instead
of text. Move routines here from lex.c / input.c as
appropriate. GC-mark trees hanging off the pending inlines
chain.
testsuite:
* g++.old-deja/g++.benjamin/13478.C: Put meaningful tags on
ERROR markers.
* g++.old-deja/g++.brendan/crash8.C: Move ERROR marker up one line.
* gcc.dg/c99-array-nonobj-1.c: Don't expect func[] cases to fail.
* gcc.dg/wtr-label-1.c: Don't use unconstrained .* in error regexps.
* gcc.dg/wtr-suffix-1.c: Correct error regexps.
* gcc.dg/cpp/unc1.c, gcc.dg/cpp/unc2.c, gcc.dg/cpp/unc3.c:
Preprocess only.
* gcc.dg/cpp/unc4.c: Adjust line number in dg-error line.
* gcc.dg/noncompile/const-ll-1.c: Generalize error regexp.
From-SVN: r36216
* c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
(c_size_type_node): Define.
* c-decl.c (init_decl_processing): Initialize c_size_type_node.
* c-common.c (enum format_lengths, enum format_std_version,
format_length_info, format_type_detail, BADLEN, NOLENGTHS,
format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
format_types): Define.
(format_char_info, print_char_table, scan_char_table,
time_char_table): Rearrange for new organization of information
about format length modifiers and standard versions.
(T_ST): Redefine to use c_size_type_node.
(check_format_info): Obtain information about length modifiers and
standard versions from tables. Adjust warning message wordings.
Use the name from the user's program for `ll' and `hh' length
modifiers in warning messages. Use more informative names for
wanted types where available (for wchar_t, wint_t, size_t, signed
size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
testsuite:
* gcc.dg/format-diag-1.c: New test.
From-SVN: r36106
* c-common.c (declare_function_name): Use func_id_node,
function_id_node, and pretty_function_id_node. Do not make
__func__ visible at file scope.
* c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
(function_id_node, pretty_function_id_node, func_id_node): New
macros.
* c-decl.c (init_decl_processing): Initialize function_id_node,
pretty_function_id_node, and func_id_node.
(c_make_fname_decl): Correct comment.
* tree.h (struct tree_identifier): Constify pointer member.
* c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
* c-pragma.h (struct weak_syms): Constify name and value members.
(add_weak): Constify arguments.
* calls.c (special_function_p): Constify a char *.
(expand_call): Remove variable which is initialized and then
never used.
* dependence.c (struct def_use, struct induction, struct subscript):
Constify 'variable' member.
(get_low_bound, have_induction_variable): Constify char * argument.
(find_induction_variable): Add braces to avoid dangling else.
(classify_dependence): Constify char * arrays.
* profile.c (output_func_start_profiler): Constify a char *.
* stor-layout.c (finalize_record_size): Constify a char *.
* tree.c (is_attribute_p): Constify a char *.
* varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
* varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
for comprehensibility. Do not call get_identifier if we did
not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
create temporary string constants, not ggc_alloc_string. No
need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
char * to hold IDENTIFIER_POINTERs.
ch:
* inout.c (add_enum_to_list): Use DECL_NAME directly, don't get
its IDENTIFIER_POINTER and immediately call get_identifier on it.
* lex.c (yywrap): Constify a char *.
cp:
* class.c (build_secondary_vtable): Constify a char *.
* decl.c (init_decl_processing): Initialize function_id_node,
pretty_function_id_node, and func_id_node.
* input.c (struct input_source): Constify 'str'.
(feed_input): Constify first argument.
* mangle.c (write_identifier): Constify argument.
* pt.c (mangle_class_name_for_template): Constify argument.
f:
* ansify.c: Use #line, not # <number>.
java:
* jcf-parse.c (set_source_filename): Constify a char *.
* jcf-write.c (append_innerclasses_attribute,
make_class_file_name): Constify a char *. Don't recycle a
variable for an unrelated purpose.
* parse.y: (build_alias_initializer_parameter_list): Constify a char *.
(breakdown_qualified): Do not modify IDENTIFIER_POINTER strings.
From-SVN: r36055
* c-common.c (print_char_table): Allow 'I' flag with %d, %i and
%u.
(check_format_info): Support printf 'I' flag; warn about it with
-pedantic.
testsuite:
* gcc.dg/c99-printf-2.c, gcc.dg/format-xopen-1.c: Add some more
tests.
* gcc.dg/format-ext-1.c: New test.
From-SVN: r35917
* c-common.c (check_format_info): Give the 'some locales' warning
for strftime %Ey rather than the unconditional 'only last 2 digits
of year' one.
testsuite:
* gcc.dg/c90-strftime-2.c, gcc.dg/c99-strftime-1.c,
gcc.dg/c99-strftime-2.c: New tests.
From-SVN: r35874
* c-common.c (init_dollar_format_checking,
maybe_read_dollar_number, finish_dollar_format_checking): New
functions.
(dollar_arguments_used, dollar_arguments_count,
dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
New variables.
(check_format_info): Support $ formats for scanf and printf width
and precision. Always increment format_chars to advance past the
'*' of precision, not just when the format parameters are
available to check.
testsuite:
* gcc.dg/c90-printf-3.c, gcc.dg/c90-scanf-2.c,
gcc.dg/c90-scanf-3.c, gcc.dg/c90-scanf-4.c,
gcc.dg/c90-strftime-1.c, gcc.dg/c99-printf-3.c,
gcc.dg/c99-scanf-1.c, gcc.dg/c99-scanf-2.c, gcc.dg/c99-scanf-3.c,
gcc.dg/format-xopen-1.c: New tests.
From-SVN: r35856
* c-tree.h (flag_hosted): Move declaration from here...
* c-common.h (flag_hosted): ... to here.
(flag_noniso_default_format_attributes): New declaration.
* c-decl.c (flag_noniso_default_format_attributes): New variable.
(c_decode_option): Set it appropriately for options choosing
language standard variant.
* c-common.c (init_function_format_info): Only provide default
format attributes if flag_hosted. Only provide the gettext
formats if flag_noniso_default_format_attributes. Update
comments.
(check_format_info): Disable treatment of %a as a scanf flag in
C99 mode.
cp:
* decl.c (flag_hosted, flag_noniso_default_format_attributes): New
variables.
* decl2.c (lang_decode_option): Disable gettext attributes for
-ansi.
From-SVN: r35843
* c-common.c (scan_char_table): Add 'w' to flags for all formats
except 'n'.
(check_format_info): Set 'wide' for scanf format widths. Warn for
a zero scanf width. Make the check for writing into a constant
object at the first level of indirection; at later levels, warn if
any type qualifiers are encountered.
testsuite:
* gcc.dg/c90-scanf-1.c, gcc.dg/c94-scanf-1.c: New tests.
From-SVN: r35842
* c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
CTI_UNSIGNED_PTRDIFF_TYPE.
(signed_size_type_node): Define.
(unsigned_ptrdiff_type_node): Define.
* c-decl.c (init_decl_processing): Create the
signed_size_type_node and unsigned_ptrdiff_type_node types.
* c-common.c (T_SC): Define.
(T_SST): Define.
(T_UPD): Define.
(print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
%to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
%s and %p.
(scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
%zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
flags for %c, %s and %[.
(check_format_info): Only allow leniency for signedness of targets
of character pointers (when pedantic) for formats flagged with
"c", so for strings but not for %hh formats. When pedantic, don't
allow character pointers to substitute for void pointers if a
second level of indirection is present.
testsuite:
* gcc.dg/c99-printf-1.c: New test.
From-SVN: r35530
* c-common.c (print_char_table): Add entries for the X/Open '
format flag (print decimals with locale's thousands grouping
character). Make %C expect wint_t.
(check_format_info): If pedantic, warn when the %n$ operand
number form is used. Allow for the ' flag; warn about it if
pedantic.
From-SVN: r35507
* c-common.c (time_char_table): Mark up formats added in C99 and
make other corrections. %D and %g were added in C99. %Og is an
extension. %EX is permitted. %R, %T, %n, %r, %t were added in
C99. %e was added in C99. %Oj is an extension. %G and %z are in
C99 rather than GNU extensions, but %OG and %Oz are extensions.
%h was added in C99. %C was added in C99. %OY and %OC are
extensions. Add the C99 format %F.
(check_format_info): If pedantic and not in C99 mode, warn for C99
formats, %E and %O.
From-SVN: r35496
* c-common.h (flag_isoc94): Declare.
* c-decl.c (flag_isoc94): Define.
(c_decode_option): Set flag_isoc94 as appropriate.
* c-common.c (T_PD, T_IM, T_UIM): Define.
(format_char_info): Add tlen and jlen.
(print_char_table): Add entries for %t and %j. Allow %zn. Allow
%F. Allow %lf.
(scan_char_table): Add entries for %t and %j. Allow %F. Allow
%l[.
(time_char_table): Add NULL entries for %t and %j.
(check_format_info): Allow for %t and %j. Warn for %F if pedantic
and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
Warn for printf %lf if pedantic and not C99. Don't warn for empty
precision. Allow precision argument to be unsigned int. If
pedantic, warn for %p passed an argument not a pointer to possibly
qualified void or a possibly qualified character type, and for
pointer targets of the wrong sign, except for character pointers.
cp:
* decl.c (flag_isoc94): New variable.
testsuite:
* gcc.dg/c90-printf-1.c, gcc.dg/c94-printf-1.c: New tests.
From-SVN: r35482
* c-common.c (scan_char_table): Allow "z" length modifiers on
diouxXn formats.
(check_format_info): Use TYPE_DOMAIN on the type matched against
for "z" formats, to retrieve the language size_t rather than the
internal one.
From-SVN: r35083
* c-common.c (check_format_info): Do not make a pedantic objection
to the 'L' length modifier if used with a floating point type
character.
From-SVN: r35076
* c-common.c (combine_strings): Emit a pedantic warning when a
string length is greater than the minimum ANSI C is required
to support.
From-SVN: r34999
* c-common.h (c_language_kind): New type.
(c_language): New variab.e
* c-common.c (lang_get_alias_set): Don't put structures in
non-zero alias sets in C++.
* c-decl.c (c_language): Define it.
* c-lex.c (doing_objc_thang): Remove.
* c-tree.h (doing_objc_thang): Make it a macro.
* objc/objc-act.c (lang_decode_option): Set c_language, not
doing_objc_thang.
* decl2.c (c_language): Define.
From-SVN: r34439
* alias.c (get_alias_set): Don't call language-specific routine more
than is needed and clean up code a bit.
* c-common.c (c_get_alias_set): All references whose type
is char get alias set 0, but character types need not.
* varasm.c (make_function_rtl): Don't call set_mem_attributes.
(make_decl_rtl): Don't call it for FUNCTION_DECL.
From-SVN: r34341
* Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
* alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
(REG_BASE_VALUE): Remove unneeded cast to unsigned.
(get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
(find_base_decl): New function, from c_find_base_decl in c-common.c.
(new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
(get_alias_set): Likewise.
Major rework to do more things and allow language-specific code
to just handle special-cases.
(record_alias_subset): Args are HOST_WIDE_INT.
(record_component_alias): Local vars are HOST_WIDE_INT.
Don't handle COMPLEX_EXPR.
(get_varargs_alias_set): Moved from builtins.c.
(get_frame_alias_set): New function.
* builtins.c (expand_builtin_return_address): Use frame alias set.
(expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
for setjmp buffer.
(get_memory_rtx): Rework to use set_mem_attributes.
(get_varargs_alias_set): Deleted from here.
* c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
(c_find_base_decl): Deleted from here.
(c_get_alias_set): Remove many cases and rework to just handle
C-specific cases.
* c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
* c-decl.c (rtl.h, expr.h): Now included.
(init_decl_processing): Call record_component_aliases on array types.
(grokdeclarator): Likewise.
Set TREE_ADDRESSABLE for all fields that are not bitfields.
* c-typeck.c (common_type): Call record_component_aliases for array.
* caller-save.c (setup_save_areas): Rework register loop for unsigned.
Set all save areas to the frame alias set.
* calls.c (initialie_argument_information): Call set_mem_attributes.
(compute_argument_addresses, expand_call): Likewise.
* explow.c (set_mem_attributes): New function.
(stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
* expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
LEN and OFFSET now HOST_WIDE_INT.
(clear_by_pieces): Similar changes.
(move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
(move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
(move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
(clear_by_pieces_1): Likewise.
(emit_push_insn): Call set_mem_attributes.
(expand_expr, case INDIRECT_REF): Likewise.
(expand_expr, case VAR_DECL): Call change_address.
* expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
tree_low_cst.
(get_varargs_alias_set, get_frame_alias_set): New decls.
(record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
(new_alias_set, set_mem_attributes): Likewse.
* function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
(assign_stack_temp_for_type): Likewise.
Can split slot even if alias set since can copy.
Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
(assign_temp): Use host_integerp and tree_low_cst.
(put_var_into_stack): Properly handle SAVE_EXPR.
(put_addressof_into_stack): Likewise.
(assign_parms): Call set_mem_attributes.
Delete #if 0 code.
(fix_lexical_address): Put reference to chain into frame alias set.
(expand_function_start): Call set_mem_attributes.
* integrate.c (expand_inline_function): Likewise.
* recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
* regmove.c (try_apply_stack_adjustment): Likewise.
* reload.c (push_reload, make_memloc): Likewise.
* reload1.c (alter_reg): Make alias sets for spilled pseudos.
* rtl.def (MEM): Update comment.
* rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
(move_by_pieces): Change length to HOST_WIDE_INT.
(record_base_value, record_alias_subset): Delete from here.
* stmt.c (expand_decl): Call set_mem_attributes.
* stor-layout.c (finish_record_layout): Call record_component_aliases.i
* toplev.c (compile_file): Call init_alias_once earlier.
* tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
from here: now in alias.c.
* tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
(struct tree_decl): Likewise.
(get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
* varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
(output_constant_def, force_const_mem): Likewise.
* cp/Makefile.in (decl.o): Include ../expr.h.
* cp/decl.c (expr.h): Include.
(init_decl_processing): Call record_component_aliases for arrays.
(grokdeclarator): Likewise.
Set TREE_ADDRESSABLE for fields that aren't bitfields.
* cp/tree.c (build_cplus_array_type_1): Call record_component_aliases.
From-SVN: r34305
* alias.c (aliases_everything_p): Don't special-case QImode here.
* c-common.c (c_get_alias_set): Do it here.
Handle BIT_FIELD_REF by getting alias info for arg.
Use POINTER_TYPE_P.
From-SVN: r34050
* c-common.c (decl_attributes): For TYPE_DECLs attach the
attribute to the decl.
* c-decl.c (pushdecl): Propagate the USED attribute to the
type copy.
From-SVN: r33716
* c-common.c (c_common_nodes_and_builtins): The first parameter to
__builtin_va_start and __builtin_va_copy is now either a 'va_list'
or a reference to a va_list.
* builtins.c (stabilize_va_list): Simplify now we don't have to
work around C array address decay.
* c-typeck.c (convert_for_assignment): Handle assignment to
a reference parameter by taking the address of the RHS.
* ginclude/stdarg.h (va_start): Don't take address of first parameter.
(va_copy): Likewise.
(__va_copy): Likewise.
* ginclude/varargs.h (va_start): Likewise.
(__va_copy): Likewise.
From-SVN: r32821
* tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
(struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
(attribute_hash_list, type_hash_canon): hashcode is now unsigned.
(type_hash_lookup, type_hash_add, type_hash_list): Likewise.
(min_precision): Result is unsignd.
(add_double, neg_double, mul_double): Low word is unsigned.
(lshift_double, rshift_double, lrotate_double): Likewise.
(rrotate_double, div_and_round_double): Likewise.
(tree_floor_log2, compare_tree_int): New functions.
(preserve_rtl_expr_temps): New declaration.
* c-common.c (declare_hidden_char_array): Use compare_tree_int.
(decl_attributes): Use tree_log2 to find alignment.
Check for TREE_INT_CST_HIGH for format args.
(min_precision): Now unsigned.
Use tree_floor_log2.
(truthvalue_conversion): Delete long-disabled code.
* c-decl.c (finish_struct): Clean up tests on field width.
(finish_function): Use compare_tree_int.
* c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
* c-typeck.c (comptypes): Use tree_int_cst_equal.
(default_conversion, digest_init): Use compare_tree_int.
(build_binary_op): Use integer_all_onesp and compare_tree_int.
Fix type errors in forming masks.
* calls.c (initialize_argument_information): Use compare_tree_int.
* dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
* except.c (expand_eh_region_start_tree): Use compare_tree_int.
* expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
(store_field): Use compare_tree_int.
(expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
(expand_expr, case ARRAY_REF): Use compare_tree_int.
(do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
(do_store_flag): Use compare_tree_int.
* fold-const.c (encode, decode): Low part is always unsigned.
(force_fit_type, add_double, neg_double, mul_double): Likewise.
(lshift_double, rshift_double, lrotate_double): Likewise.
(rrotate_double, div_and_round_double, int_const_binop): Likewise.
(fold_convert): Use compare_tree_int.
(operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
(invert_truthvalue, case INTEGER_CST): Likewise.
(fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
* mkdeps.c (deps_dummy_targets): Make I unsigned.
* rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
(lshift_double, rshift_double, lrotate_double, rrotate_double):
Likewise.
* stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
(expand_end_case): Use compare_tree_int.
(estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
* stor-layout.c (mode_for_size_tree): Use compare_tree_int.
(layout_decl): Likewise.
(layout_record, layout_union): Make sizes unsigned.
(layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
(layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
* tree.c (struct type_hash): hashcode is unsigned.
(build_type_attribute_variant, type_hash_list): Likewise.
(type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
(attribute_hash_list, build_array_type, build_method_type): Likewise.
(build_complex_type): Likewise.
(real_value_from_int_cst): Remove unneeded casts.
(integer_all_onesp): Add casts.
(tree_floor_log2, compare_tree_int): New functions.
(build_index_type): Use tree_int_cst_sgn.
* varasm.c (assemble_variable): Use compare_tree_int.
* ch/actions.c (chill_convert_for_assignment): INDEX is unsigned
HOST_WIDE_INT.
* ch/ch-tree.h (DECL_NESTING_LEVEL): Use TREE_INT_CST_HIGH
since unsigned.
* ch/except.c (chill_handle_on_labels): ALTERNATIVE is unsigned.
Use compare_tree_int.
(expand_goto_except_cleanup): Likewise.
* cp/class.c (dfs_modify_vtables): I is now unsigned.
(check_bitfield_decl): Use tree_int_cst_sgn and compare_tree_int.
(build_base_field): Add casts of TREE_INT_CST_LOW to HOST_WIDE_INT.
* cp/error.c (dump_expr): Cast TREE_INT_CST_HIGH to unsigned.
* cp/init.c (build_vec_init): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
* cp/method.c (build_overload_int): Cast TREE_INT_CST_HIGH to unsigned.
* cp/typeck.c (build_binary_op, case TRUNC_DIV_EXPR):
Call integer_all_onesp.
* cp/typeck2.c (process_init_constructor): Use compare_tree_int.
* f/com.c (ffecom_f2c_set_lio_code_): Use compare_tree_int.
(ffecom_sym_transform_, ffecom_transform_common_): Likewise.
(ffecom_transform_equiv_): Likewise.
* java/decl.c (emit_init_test_initialization): Mark KEY as unused.
* java/expr.c (build_newarray): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
(build_anewarray): Likewise.
* java/parse.y (patch_newarray): Likewise.
* java/parse.c: Regenerated.
From-SVN: r32383
* c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
reference the language-equivalent of sizetype.
* c-typeck.c (comptypes): Treat sizetype like its language equivalent.
* fold-const.c (size_binop, size_diffop): Put back checks.
* gcse.c (dump_hash_table): Fix minor error in last change.
* stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
all sizetypes.
* cp/typeck.c (comptypes): Treat sizetype like its language equivalent.
From-SVN: r32291
* tree.h (TREE_SET_PERMANENT): New macro. Document conditions
under which TREE_PERMANENT will be set.
* tree.c (make_node, copy_node, make_tree_vec, tree_cons,
build1): Use TREE_SET_PERMANENT.
* print-tree.c (print_node): Don't report value of
TREE_PERMANENT if ggc_p is true.
* c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
decide whether to give a type a new alias set.
* objc/objc-act.c (build_objc_string_object): Never copy the string.
* tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
of value of 'obstack'.
* f/com.c (ffecom_type_permanent_copy_): Delete unused function.
(finish_decl): Don't change TREE_PERMANENT (DECL_INITIAL (decl)).
From-SVN: r32128
* c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
* c-decl.c (duplicate_decls, finish_enum): Likewise.
(finish_decl): Remove -Wlarger-than code from here.
* flags.h (id_clash_len): Now int.
(larger_than_size): Now HOST_WIDE_INT.
* fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
Clean up checking to see if in table.
(make_bit_field_ref): Remove extra parm to bitsize_int.
* ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
* print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
* stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
and for computing size of decl.
* stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
Move -Wlarger-than code to here.
(layout_record): Remove extra arg to bitsize_int.
Set TYPE_BINFO_SIZE_UNIT.
(layout_union): Remove extra arg to bitsize_int.
Use proper type for size of QUAL_UNION.
(layout_type): Remove extra arg to bitsize_int.
* toplev.c (id_clash_len): Now int.
(larger_than_size): Now HOST_WIDE_INT.
(decode_W_option): Clean up id-clash and larger-than- cases.
* tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
(expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
* tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
(struct tree_decl): New field size_unit.
(size_int_wide): No HIGH operand; NUMBER is now signed.
(size_int_2): Deleted.
(size_int, bitsize_int): Don't use it and rework args.
* varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
* ch/decl.c (layout_enum): Set DECL_SIZE_UNIT.
* ch/satisfy.c (safe_satisfy_decl): Likewise.
* cp/class.c (build_primary_vtable, layout_vtable_decl): Likewise.
(avoid_overlap, build_base_field): Likewise.
(build_base_field, build_base_fields, is_empty_class):
Test DECL_SIZE with integer_zero.
(layout_class_type): Set CLASSTYPE_SIZE_UNIT.
* cp/cp-tree.h (struct lang_type): New field size_unit.
(CLASSTYPE_SIZE_UNIT): New macro.
* cp/decl.c (init_decl_processing): Set DECL_SIZE_UNIT.
(cp_finish_decl): Delete -Wlarger-than processing.
* cp/optimize.c (remap_decl): Walk DECL_SIZE_UNIT.
* cp/pt.c (tsubst_decl): Set DECL_SIZE_UNIT.
* cp/tree.c (make_binfo): binfo vector is one entry longer.
(walk_tree): Walk DECL_SIZE_UNIT.
* f/com.c (ffecom_sym_transform): Use DECL_SIZE_UNIT.
(ffecom_transform_common_, ffecom_transform_equiv_): Likewise.
(duplicate_decls): Likewise.
(ffecom_tree_canonize_ptr_): Delete extra arg to bitsize_int.
(finish_decl): Delete -Wlarger-than processing.
* java/class.c (build_class_ref, push_super_field): Set DECL_SIZE_UNIT.
* java/constants.c (build_constants_constructor): Likewise.
From-SVN: r32068
* c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
c-typeck.c, objc/objc-act.c: Remove all references to obstack
functions obsoleted by GC, such as push_obstacks_nochange,
end_temporary_allocation, savealloc, saveable_tree_cons, etc.
and code which existed only to decide whether or not to call
them. Remove now-unused NESTED argument from start_function;
all callers changed. Do not change behavior based on ggc_p.
The use of the ixp_obstack in c-iterate.c and the util_obstack
in objc/objc-act.c remain; these are not obsoleted by garbage
collection.
* c-tree.h: Update prototype for start_function.
* c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
From-SVN: r31611
* c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
(RESTORE_WARN_FLAGS): Unpack it.
Change semantic type of extension to ttype.
* c-common.c (split_specs_attrs): Expect an INTEGER_CST.
* c-parse.y, c-parse.c, objc/objc-parse.y,
objc/objc-parse.c: Regenerate.
From-SVN: r31478
* configure.in (i?86-*-beos{pe,elf,}*): Recognize.
* i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
* i386/beos-elf.h, i386/beos-pe.h: New files.
* Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
* cross-make (SYSTEM_HEADER_DIR): Define using
CROSS_SYSTEM_HEADER_DIR.
* gcc.c (LIBRARY_PATH_ENV): Provide default.
(process_command): Use it.
(main): Likewise. Kill trailing = from env vars.
(build_search_list): Put it back.
* collect2.c (main): Use LIBRARY_PATH_ENV.
* configure.in (GCC_NEED_DECLARATIONS): Add environ.
* toplev.c: Use NEED_DECLARATION_ENVIRON.
* tm.texi (Frame Layout): Document SMALL_STACK.
* c-common.c (c_common_nodes_and_builtins): Check it.
* system.h: Undef alloca after including glibc's <stdlib.h>,
if USE_C_ALLOCA is defined.
* gcc.c (set_input): New fn.
(main): After all input files are compiled, reset the input file
info to the first.
* aclocal.m4 (rindex, index): If already defined, don't attempt
to redefine.
* ginclude/varargs.h: (__va_list__): Define ifndef.
* ginclude/stdarg.h: Likewise.
* ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
instead of unsigned char.
* hash.h (true, false, boolean): Undef before enum.
From-SVN: r31366
(format_char_info): Update comment. (check_format_info): Recognize 'z'
modifier in the same way 'Z' was recognized. Emit warning for formats
new in ISO C99 only if flag_isoc9x is not set.
From-SVN: r31188
* c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
(init_attributes): Add A_NO_LIMIT_STACK.
(decl_attributes): Handle A_NO_LIMIT_STACK.
* c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
* explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
Handle stack bounds checking.
* flags.h (flag_stack_check): Use the word 'probe' rather than
'check', because the flag doesn't actually cause any checking to
be done.
* function.c (expand_function_start): Set
current_function_limit_stack.
* function.h (struct function): Add limit_stack.
(current_function_limit_stack): Define.
* invoke.texi (Code Gen Options): Document new options.
* rtl.h: Declare stack_limit_rtx.
* toplev.c (stack_limit_rtx): New variable.
(decode_f_option): Handle new options -fstack-limit-register=REG,
-fstack-limit-symbol=IDENT, -fno-stack-limit.
(main): Add stack_limit_rtx as GC root.
* tree.h (DECL_NO_LIMIT_STACK): New macro.
(struct tree_decl): New member no_limit_stack.
* config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
stack_limit_rtx.
* config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
(conditional_trap+1): Get new mnemonic correct.
(conditional_trap+2): New pattern for DImode traps.
* config/m68k/m68k.c (output_function_prologue): Handle
stack_limit_rtx.
* config/m68k/m68k.md (trap): New insn.
(conditional_trap): New insn.
* md.texi (Standard Names): Document `trap' and
`conditional_trap'.
* optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
so a cc0 setter doesn't get emitted at some random place in the
function.
* config/i960/i960.md (trap): New insn.
(conditional_trap): New expander.
(conditional_trap+1, conditional_trap+2): New insns for signed
and unsigned cases.
* config/i960/i960.c (i960_function_prologue): Use
STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
Co-Authored-By: Greg McGary <gkm@gnu.org>
From-SVN: r30771
Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
* gcov.c (DIR_SEPARATOR): Provide default.
(output_data): Add test for MS-DOS format absolute filename.
(fancy_abort): Correct program name.
(open_files): Open all files in binary mode.
* libgcc2.c (__bb_exit_func): Likewise.
* profile.c (init_branch_prob): Specify binary when opening files.
* flags.h (flag_unwind_tables): New decl.
* toplev.c (flag_unwind_table): New definition.
(f_options): Add -funwind-tables.
(decode_g_option): Clarify warning when unknown -g option is given.
(rest_of_compilation): If inside an inlined external function,
pretend we are just being declared.
* dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
(dwarf2out_frame_finish): Likewise.
Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
* flow.c (propagate_block): When the last reference to a label
before an ADDR_VEC is deleted because the reference is a dead
store, delete the ADDR_VEC.
Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
* fold-const.c (merge_ranges): In not in0, but in1, handle
upper bounds equal like subset case.
Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
* dbxout.c (dbxout_parms): Generate a second stabs line for parameters
passed in a register but moved to the stack.
Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
* gcc.c (pass_exit_codes, greatest_status): New variables.
(struct option_map): Add entry for "--pass-exit-codes".
(execute): Update greatest_status if error.
(display_help): Add documentation for -pass-exit-codes.
(process_command): Handle -pass-exit-codes.
(main): Look at pass_exit_codes and greatest_status on call to exit.
Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* reload.c (find_reloads): Refine test for no input reload
case to not includes reloads emitted after insn.
* function.c (find_temp_slots_from_address): Handle sum involving
a register that points to a temp slot.
(update_temp_slot_address): Make recursive call if both old and
new are PLUS with a common operand.
* calls.c (expand_call): Mark temp slot for result as having
address taken.
* rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
* gcc.c (process_command): Add standard_exec_prefix with "GCC"
component as well as "BINUTILS".
* integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
* integrate.c (copy_rtx_and_substitute): Likewise.
(expand_inline_function, integrate_parm_decls, integrate_decl_tree):
All callers changed.
* unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
* dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
gdb extensions, write size of type; also be more consistent
in using references when this is a subtype.
* pa.md (extv, extzv, insv): Use define_expand to reject constant
that is out of range.
* loop.c (unknown_constant_address_altered): New variable.
(prescan_loop): Initialize it.
(note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
(invariant_p, case MEM): Remove handling for volatile and readony;
check new variable if readonly.
(check_dbra_loop): Chdeck unknown_constant_address_altered.
* cse.c (canon_hash, case MEM): Do not record if BLKmode.
(addr_affects_sp_p): Removed from note_mem_written and only
define #ifdef AUTO_INC_DEC.
* alpha.c (input_operand, case ADDRESSOF): Treat as REG.
* regclass.c (record_reg_classes): Properly handle register move
directions.
* varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
Don't think valid if both operands are invalid.
(struct constant_descriptor): New field RTL.
(mark_const_hash_entry): Mark it.
(record_constant{,_rtx}): Initialize it.
(output_constant_def): Allocate RTL in permanent obstack and
save in table.
({record,compare}_constant_1): Modes must match for
CONSTRUCTOR of ARRAY_TYPE.
* c-common.h (initializer_constant_valid_p): Delete decl from here.
* output.h (initializer_constant_valid_p): Move decl to here.
* c-common.c (initializer_constant_valid_p): Delete function from here.
* varasm.c (initializer_constant_valid_p): Move function to here.
* tree.h (STRIP_SIGN_NOPS): New macro.
* fold-const.c (optimize_minmax_comparison): New function.
(invert_truthvalue, case WITH_RECORD_EXPR): New case.
(fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
(fold, case EQ_EXPR): Call optimize_minmax_comparison and add
cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
widening conversions.
(fold, case LE_EXPR): Rework changing unsigned to signed comparisons
to look at size of mode, not precision of type; also add missing cases.
(optimize_bit_field_compare, decode_field_reference): Don't try to
optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
* dwarf2out.c (ctype.h): Include.
(dwarf2out_set_demangle_name_func): New function.
(size_of_line_info): Deleted.
(output_line_info): Compute size of line info table from difference
of labels.
(base_type_die, add_name_attribute): Call demangle function, if any.
(field_byte_offset): Use bits per word for variable length fields.
(gen_array_type_die): Add array name.
(gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
(dwarf2out_add_library_unit_info): New function.
* explow.c (set_stack_check_libfunc): New function.
(stack_check_libfunc): New static variable.
(probe_stack_range): Allow front-end to set up a libfunc to call.
* combine.c (simplify_comparison): When making comparison in wider
mode, check for having commuted an AND and a SUBREG.
(contains_muldiv): New function.
(try_combine): Call it when dividing a PARALLEL.
(simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
(simplify_comparison, case ASHIFTRT): Recognize sign-extension of
a PLUS.
(record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
use one of the CLOBBERs instead.
(if_then_else_cond): If comparing against zero, just return thing
being compared.
* optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
Don't generate shifts and subtract if have conditional arithmetic.
* rtl.h (delete_barrier): New declaration.
* jump.c (jump_optimize): Set up to handle conditional call.
In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
(delete_barrier): New function.
* rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
* recog.c (nonmemory_operand): Accept ADDRESSOF.
* tree.c (build_type_attribute_variant): Push to obstack of
ttype around type_hash_canon call.
* expr.c (placeholder_list): Move decl to file scope.
(expand_expr): Don't force access to volatile just because its
address is taken.
If ignoring reference operations, just expand the operands.
(expand_expr, case COMPONENT_REF): Propagate
EXPAND_CONST_ADDRESS to recursive call when expanding inner.
Refine test for using bitfield operations vs pointer punning.
(expand_expr, case CONVERT_EXPR): If converting to
BLKmode UNION_TYPE from BLKmode, just return inner object.
Use proper mode in store_field call.
Properly set sizes of object to store and total size in store_field
call for convert to union.
(expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
memory (like for ADDR_EXPR). Also, don't put constant in register if
we'll want it in memory.
(readonly_fields_p): New function.
(expand_expr, case INDIRECT_REF): Call it if LHS.
(expand_assignment): Handle a RESULT_DECL where
DECL_RTL is a PARALLEL.
(do_jump, case WITH_RECORD_EXPR): New case.
(get_inner_reference): Always go inside a CONVERT_EXPR
and NOP_EXPR if both modes are the same.
(store_field): Use bitfield operations if size of bitsize is not same
as size of RHS's type.
Check for bitpos not a multiple of alignment in BLKmode case.
Do block move in largest possible alignment.
(store_constructor): Set BITSIZE to -1 for variable size and properly
in case of array of BLKmode.
(expand_expr_unaligned): New function.
(do_compare_and_jump): Call it.
* mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
* collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
does not include 'o'.
* function.c (instantiate_virtual_regs_1, case SET): Handle case where
both SET_DEST and SET_SRC reference a virtual register.
(gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
* integrate.c (expand_inline_function): Handle case of setting
virtual stack vars register (from built in setjmp); when parameter
lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
(subst_constant): Add new parm, MEMONLY.
(expand_inline_function, integrate_parm_decls): Pass new parm.
(integrate_decl_tree): Likewise.
(copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
(try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
(copy_rtx_and_substitute, case SET): Add explicit calls to
copy_rtx_and_substitute for both sides.
* stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
constraints.
(pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
within INDEX_TYPE, instead of before.
(fixup_gotos): Use f->target_rtl, not the next insn,
since latter may be from a later fixup.
(expand_value_return): Correctly convert VAL when promoting function
return; support RETURN_REG being a PARALLEL.
(expand_return): When checking for result in regs and having
cleanup, consider PARALLEL in DECL_RTL as being in regs.
From-SVN: r30299
* Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
(c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
$(out_object_file)): Depend on ggc.h.
* c-common.c: Include "ggc.h".
(combine_strings): If doing GC, use ggc_alloc_string.
* c-decl.c: Include "ggc.h".
(ggc_p): Define with value 0.
(mark_binding_level): New function.
(init_decl_processing): Add GC roots.
(mark_c_function_context): New function.
(lang_mark_false_label_stack): New function.
(lang_mark_tree): New function.
(lang_cleanup_tree): New function.
* c-lang.c: Include "ggc.h".
(lang_init): Call c_parse_init.
* c-lex.c: Include "ggc.h".
(check_linenum): If doing GC, don't copy filenames to permanent
obstack.
* c-parse.in: Include "ggc.h".
(c_parse_init): New function.
* c-tree.h (c_parse_init, mark_c_function_context): Declare.
* objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
* except.c (mark_eh_state): Mark more state.
* function.c (mark_function_state): Likewise.
* ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
(ggc_alloc_string) [GGC_DUMP]: Fix typo.
* toplev.c (mark_file_stack): New function.
(compile_file): If doing GC, use ggc_alloc_string on input filename.
(main): Add root for input_file_stack.
* i386.c: Include "ggc.h".
(ix86_mark_machine_status): New function.
(override_options): Set mark_machine_status.
From-SVN: r29143
* builtins.c (stabilize_va_list): Don't INDIRECT_REF through
an ARRAY_TYPE.
(std_expand_builtin_va_start): Back out one word if !stdarg_p.
(expand_builtin_va_end): Evaluate arg for side effects.
* c-common.c (c_common_nodes_and_builtins): Construct a
va_list_arg_type_node to handle array decomposition to pointer.
From-SVN: r28283
* c-common.h: New file.
* c-common.c (permanent_obstack): Delete unused declaration.
(c_global_trees): New array.
(c_common_nodes_and_builtins): New function; split off common code
from init_decl_processing in both c-decl.c and cp/decl.c.
* c-tree.h: Delete lots of declarations of tree nodes; replaced by
c_global_trees and accessor macros defined in c-common.h.
Include c-common.h.
* c-decl.c: Delete definitions for tree nodes that were replaced by
c_global_trees.
(init_decl_processing): Build void_list_node.
Call c_common_nodes_and_builtins; delete code to generate the common
builtins here.
* objc/objc-act.c (build_module_descriptor): Rename variable
void_list_node to avoid clash with c-common.h.
* cp/cp-tree.h: Delete lots of declarations of tree nodes; replaced by
c_global_trees and accessor macros defined in c-common.h.
(cp_tree_index): New enumeration.
(cp_global_trees): Declare new array. Add accessor macros for it, and
delete declarations of tree nodes replaced by it.
(builtin_function): Delete macro, add declaration for new function.
Include c-common.h.
* cp/decl.c: Delete definitions for tree nodes that were replaced by
cp_global_trees and c_global_trees.
(init_decl_processing): Call c_common_nodes_and_builtins; delete code
to generate the common builtins here.
(builtin_function): New function.
* cp/decl2.c (abort_fndecl): Delete declaration.
* cp/except.c (expand_builtin_return_address): Delete declaration.
(builtin_return_address_fndecl): Delete variable.
(const_ptr_type_node): Delete declaration.
* cp/lex.c (cons_up_default_function): Delete declaration of
void_list_node.
* cp/parse.y (void_list_node): Delete declaration.
* cp/rtti.c (type_info_type_node, tinfo_fn_id, tinfo_fn_type):
Delete variables.
(const_string_type_node): Delete declaration.
* cp/search.c (abort_fndecl): Delete declaration.
* Makefile.in: Update dependencies.
* objc/Make-lang.in: Likewise.
* cp/Makefile.in: Likewise.
From-SVN: r28188
* c-common.c (default_valid_lang_attribute): New fn.
(valid_lang_attribute): New callback ptr.
(decl_attributes): Call it. Move init_priority support into
C++ frontend.
From-SVN: r26419
* cppfiles.c (INO_T_EQ): Handle UWIN.
* c-common.c (decl_attributes): Flag unrecognized attribute
functions as warnings instead of as errors.
Support for i386-pc-uwin.
* i386/uwin.h: New file.
* i386/xm-uwin.h: New file.
* i386/t-uwin: New file.
* i386/uwin.asm: New file.
* configure.in (i[3456]86-*-uwin*): Define.
Add Workaround for vfork bug when hosted on uwin.
* configure: Regenerate.
* cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
(absolute_filename): UWIN uses POSIX pathnames only.
* libgcc2.c (getpagesize): Do not define for UWIN.
(mprotect): Likewise.
* protoize.c (dirent.h): Conditionally include.
(fputc): Prototype only if it's not a macro.
From-SVN: r25696
1999-02-15 16:59 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
* c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
* c-lex.c: Likewise.
* cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
list in malloced memory for the buffer stack.
(cpp_get_token): Don't pop the last buffer off the stack.
Calls after CPP_EOF has been returned produce CPP_EOF with no
state change.
(cpp_finish): Pop last buffer here.
(do_line): Don't free ip->last_nominal_fname if it is equal to
ip->fname.
(special_symbol): If a T_CONST is the empty string, push a
single `@ ' escape instead.
(macroexpand): Special symbol buffers have escapes too.
* cpplib.h (struct cpp_buffer): Remove unused fields, add prev
buffer pointer.
(struct cpp_reader): Remove buffer_stack. Add
buffer_stack_depth.
(CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
linked list.
From-SVN: r25218
�
Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
* c-common.c (decl_attributes): Fix reserved space for init_priority.
* tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
From-SVN: r25046
* c-common.c (decl_attributes): Allow applying attribute `unused'
on a LABEL_DECL.
* c-parse.in (label): Parse attributes after a label, and call
`decl_attributes' to handle them.
* gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
* genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
* invoke.texi: Note that labels can be marked `unused'.
From-SVN: r24478
* c-common.c (declare_function_name): Declare predefinied variable
`__func__'.
* c-decl.c (flag_isoc9x): Set to 1 by default.
(c_decode_option): Handle -std= option. Remove -flang-isoc9x.
(grokdeclarator): Always emit warning about implicit int for ISO C 9x.
* c-parse.in: Allow constructors in ISO C 9x.
Rewrite designator list handling.
Allow [*] parameters.
Don't warn about comma at end of enum definition for ISO C 9x.
* cccp.c (c9x): New variable.
(rest_extension): New variable.
(print_help): Document new -std= option.
(main): Recognize -std= option. Set c9x appropriately.
(create_definition): Recognize ISO C 9x vararg macros.
* gcc.c (default_compilers): Adjust specs for -std options.
(option_map): Add --std.
(display_help): Document -std.
* toplev.c (documented_lang_options): Add -std and remove
-flang-isoc9x.
* c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
or REAL_VALUE_HTOF based on base of the constants.
* fold-const.c (real_hex_to_f): New function. Replacement function
for hex FP conversion if REAL_ARITHMETIC is not defined.
* real.c (asctoeg): Add handling of hex FP constants.
* real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
real_hex_to_f.
Co-Authored-By: Richard Henderson <rth@cygnus.com>
Co-Authored-By: Stephen L Moshier <moshier@world.std.com>
From-SVN: r24049
* c-common.c: Change warning messages to say `comparison is
always true' or `comparison is always false' instead of the
confusing `is always 0', `is always 1'.
From-SVN: r23723
�
* c-common.c (c_get_alias_set): Allow all type-punning through
unions. Don't get confused about the type of a bit-field, despite
the antics of build_modify_expr.
From-SVN: r23481
* invoke.texi: Document -flang-isoc9x.
* Makefile.in (OBJS): Add splay-tree.o.
(c-common.o): Depend on rtl.h.
(splay-tree.o): List dependencies and provide build rule.
* rtl.h (record_alias_subset): New function.
* alias.c: Include splay-tree.h.
(alias_set_entry): New type.
(CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
(DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
(mems_in_disjoin_alias_sets_p): New function.
(alias_set_compare): Likewise.
(insert_subset_children): Likewise.
(get_alias_set_entry): Likewise.
* tree.h (TYPE_RESTRICT): New macro.
(TYPE_UNQUALIFIED): New manifest constant.
(TYPE_QUAL_CONST): Likewise
(TYPE_QUAL_VOLATILE): Likewise.
(TYPE_QUAL_RESTRICT): Likewise.
(tree_type): Add restrict_flag. Reduce count of free bits.
(DECL_POINTER_ALIAS_SET): New macro.
(DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
(tree_decl): Add pointer_alias_set.
(build_qualified_type): New function.
(build_type_variant): Define in terms of build_qualified_type.
* tree.c (set_type_quals): New function.
(make_node): Initializae DECL_POINTER_ALIAS_SET.
(build_type_attribute_variant): Use build_qualified_type and
set_type_quals.
(build_type_variant): Rename, and modify, to become...
(build_qualified_type): New function.
(build_complex_type): Use set_type_quals.
* c-tree.h (C_TYPE_OBJECT_P): New macro.
(C_TYPE_FUNCTION_P): Likewise.
(C_TYPE_INCOMPLETE_P): Likewise.
(C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
(c_apply_type_quals_to_decl): New function.
(c_build_qualified_type): New function.
(c_build_type_variant): Define in terms of c_build_qualified_type.
(flag_isoc9x): Declare.
* c-typeck.c (qualify_type): Use c_build_qualified_type.
(common_type): Change to use TYPE_QUALS.
(comptypes): Likewise.
(convert_for_assignment): Likewise.
* c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
* c-decl.c (flag_isoc9x): Define.
(c_decode_option): Handle -flang-isoc9x.
(grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
* c-lex.c (init_lex): Deal with restrict.
(init_lex): Don't treat restrict as a reserved word in
-traditional mode, or without -flang-isoc9x.
* c-lex.h (rid): Add RID_RESTRICT.
* c-parse.gperf (restrict, __restrict, __restrict__): Make
equivalent to RID_RESTRICT.
* c-parse.in (TYPE_QUAL): Update comment.
* c-common.c: Include rtl.h.
(c_find_base_decl): New function.
(c_build_type_variant): Rename, and modify, to become ...
(c_build_qualified_type): New function.
(c_apply_type_quals_to_decl): Likewise.
(c_get_alias_set): For INDIRECT_REFs, check to see if we can find
a particular alias set for the reference.
* toplev.c (documented_lang_options): Add -flang-isoc9x.
From-SVN: r23212
* Makefile.in (gencheck.o): Depend on gansidecl.h.
* c-common.c (print_char_table): Add missing initializers.
(scan_char_table): Likewise.
(time_char_table): Likewise.
* c-decl.c (c_decode_option): Mark parameter `argc' with
ATTRIBUTE_UNUSED.
(declare_parm_level): Mark parameter `definition_flag' with
ATTRIBUTE_UNUSED.
* c-lex.c (readescape): Use `(unsigned)1' in shift.
(yylex): Likewise. Cast `sizeof' to an (int) when comparing
against one.
* calls.c (store_one_arg): Remove unused parameter `fndecl'. All
callers changed.
(emit_call_1): Mark parameters `fndecl' and `funtype' with
ATTRIBUTE_UNUSED.
(expand_call): Cast result of MIN() to (unsigned int) when
comparing against an unsigned value.
* cccp.c (pcfinclude): Remove unused parameter `limit'. All
callers changed.
(make_definition): Remove unused parameter `op'. All callers
changed.
(create_definition): Cast REST_EXTENSION_LENGTH to (long) when
comparing against the result of pointer arithmetic.
* config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
when comparing against one.
* dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
one.
(output_die): Move variable `i' into the scope in which it is
used. Change its type to `unsigned'.
(output_die): Cast the result of `strlen' to (int) when passing it
to ASM_OUTPUT_ASCII().
(output_pubnames): Likewise.
(output_line_info): Likewise.
* emit-rtl.c (global_rtl): Add missing initializers.
* explow.c (promote_mode): Mark parameter `for_call' with
ATTRIBUTE_UNUSED.
* expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
`unsigned HOST_WIDE_INT' when comparing against one.
(synth_mult): Change type of variable `cost' to int.
(emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
* expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
when comparing against one.
(get_inner_reference): Change variable `alignment' to unsigned.
(expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
int) when comparing against one.
(expand_builtin_setjmp): Change type of variable `i' to size_t.
* fold-const.c (div_and_round_double): Cast BASE to
(HOST_WIDE_INT) when comparing against one.
* gencheck.c: Include gansidecl.h.
(main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
* optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
`tcode' with ATTRIBUTE_UNUSED.
* real.c (edivm): Cast constant value to (unsigned long) in
expression compared against an unsigned value.
* stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
comparing against one.
(expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
when comparing against one.
* stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
(unsigned int) when comparing against one. Likewise for
GET_MODE_BITSIZE.
(smallest_mode_for_size): Likewise.
(save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
(restore_storage_status): Likewise.
* toplev.c (debug_args): Add missing initializer.
(f_options): Spelling correction. Add missing initializers.
(documented_lang_options): Likewise.
(debug_end_source_file): Mark parameter `lineno' with
ATTRIBUTE_UNUSED.
* tree.c (valid_machine_attribute): Mark parameters `attr_args',
`decl' and `type' with ATTRIBUTE_UNUSED.
* varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
when comparing against one.
(assemble_variable): Mark parameter `top_level' with
ATTRIBUTE_UNUSED.
(assemble_external_libcall): Mark parameter `fun' with
ATTRIBUTE_UNUSED.
(output_constant_pool): Mark parameters `fnname' and `fndecl' with
ATTRIBUTE_UNUSED.
From-SVN: r23054
* c-common.c (type_for_mode): Only return TItype nodes when
HOST_BITS_PER_WIDE_INT is >= 64 bits.
* c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
when HOST_BITS_PER_WIDE_INT is >= 64 bits.
(init_decl_processing): Only create TItype nodes when
HOST_BITS_PER_WIDE_INT is >= 64 bits.
* c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
when HOST_BITS_PER_WIDE_INT is >= 64 bits.
From-SVN: r22912
* c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
* expr.c (store_field): Add alias_set parameter. Set the
MEM_ALIAS_SET accordingly, if the target is a MEM.
(expand_assignment): Use it.
(store_constructor_field): Pass 0.
(expand_expr): Likewise.
From-SVN: r22620
* expr.h (profile_function_entry_libfunc, profile_function_exit_libfunc):
Declare new variables.
* optabs.c: Define them here.
(init_optabs): Initialize them.
* tree.h (struct tree_decl): New flag no_instrument_function_entry_exit.
(DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
* c-decl.c (duplicate_decls): Merge it.
* c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
(init_attributes): Use it for "no_instrument_function".
(decl_attributes): Handle it, for functions that have not yet been compiled.
Set decl flag.
* flags.h (flag_instrument_function_entry_exit): Declare new variable.
* toplev.c (flag_instrument_function_entry_exit): Define it here.
(f_options): New option "instrument-functions".
* function.h (struct function): New field instrument_entry_exit.
* function.c (current_function_instrument_entry_exit): New variable.
(push_function_context_to, pop_function_context_from): Save and restore.
(expand_function_start): Set current_ variable, maybe emit return label and
entry profile call.
(expand_function_end): Maybe emit exit profile call.
Testsuite:
* gcc.c-torture/special/eeprof-1.c: New test, for -finstrument-functions.
* gcc.c-torture/special/special.exp: Run it.
From-SVN: r21495
* invoke.texi (-fstrict-aliasing): Document.
* rtl.texi (MEM_ALIAS_SET): Document.
* flags.h (flag_strict_aliasing): Declare.
* toplev.c (flag_strict_aliasing): Define.
(f_options): Add -strict-aliasing.
(main): Set flag_strict_aliasing if -O2 or higher.
* tree.h (tree_type): Add alias_set field.
(TYPE_ALIAS_SET): New macro.
(TYPE_ALIAS_SET_KNOWN_P): Likewise.
(get_alias_set): Declare.
* tree.c (lang_get_alias_set): Define.
(make_node): Initialize TYPE_ALIAS_SET.
(get_alias_set): New function.
* print-tree.c (print_node): Dump the alias set for a type.
* c-tree.h (c_get_alias_set): Declare.
* c-common.c (c_get_alias_set): New function.
* c-decl.c (init_decl_processing): Set lang_get_alias_set.
* expr.c (protect_from_queue): Propogage alias sets.
(expand_assignment): Calculate alias set for new MEMs.
(expand_expr): Likewise.
* function.c (put_var_into_stack): Likewise.
(put_reg_into_stack): Likewise.
(gen_mem_addressof): Likewise.
(assign_parms): Likewise.
* stmt.c (expand_decl): Likewise.
* varasm.c (make_decl_rtl): Eliminate redundant clearing of
DECL_RTL. Calculate alias set for new MEMs.
* rtl.def (REG): Add dummy operand.
(MEM): Add extra operand to store the MEM_ALIAS_SET.
* rtl.h (MEM_ALIAS_SET): New macro.
(gen_rtx_MEM): Declare.
* emit-rtl.c (gen_rtx_MEM): New function.
* gengenrtl.c (sepcial_rtx): Make MEMs special.
* alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro.
(DIFFERENT_ALIAS_SETS_P): Likewise.
(canon_rtx): Propogate the alias set to the new MEM.
(true_dependence): Check the alias sets.
(anti_dependence): Likewise.
(output_dependence): Likewise.
* explow.c (stabilize): Progoate alias sets.
* integrate.c (copy_rtx_and_substitute): Likewise.
* final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P
in an unpredictable state. Propogate alias sets.
* reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which
we have no alias information.
From-SVN: r20719