* builtins.c (fold_builtin_unordered_cmp): Take an EXP argument
instead of both an ARGLIST and a result TYPE. Handle these C99
comparison functions as "polymorphic" builtins. Also handle
lowering of BUILT_IN_ISUNORDERED to an UNORDERED_EXPR tree node.
(fold_builtin_1): Update calls to fold_builtin_unordered_cmp.
Move handling of BUILT_IN_ISUNORDERED from here to there.
From-SVN: r83404
* Makefile.in (cfgexpand.o): New object file.
(builtins.o): Add dependency on basic-block.h
* builtins.c: Include basic-block.h
(entry_of_function): New function.
(expand_builtin_apply_args, expand_builtin_saveargs): Use it.
* cfgexpand.c: New file.
* expr.c (execute_expand, pass_expand): Kill.
* pass.c (rest_of_compilation): Do not build CFG unless called from
coverage code.
* tree-cfg.c (delete_tree_cfg): Rename to..
(delete_tree_cfg_annotations): ... this one; Do not remove the CFG itself.
* tree-flow.h (delete_tree_cfg_annotations): Declare.
(dleete_tree_cfg): Kill.
* tree-optimize.c (execute_rebuild_bind, pass_rebuild_bind): Kill.
(execute_del_cfg): Rename to...
(execute_free_datastructures): This one...
(pass_del_cfg): Rename to...
(pass_free_datastructures): ... this one; Do not kill PROP_cfg.
(init_tree_optimization_passes): Make cfg build and profiling to happen
unconditionally.
* tree-mudflap.c (mf_decl_cache_locals): Skip labels before
inserting the cache variables.
* tree-mudflap.c: Include headers to make basic_block available.
Move functions around such that related functions are near each
other. Add prototypes for all static functions. Add comments
briefly explaining what IR the mudflap1 and mudflap2 work on and
what they do.
(mudflap_function_decls): Rename to execute_mudflap_function_decls.
(mudflap_function_ops): Rename to execute_mudflap_function_ops.
(pass_mudflap_1, pass_mudflap_2): Update.
(mf_decl_cache_locals): Make it work on the CFG instead of the saved
function tree.
(mf_build_check_statement_for): Make it work on the CFG.
(mf_xform_derefs_1): Likewise. Cleanup code style.
(mf_xform_derefs): Likewise.
* tree-cfg.c (label_to_block): Invent the label destination for
undefined labels.
(cleanup_dead_labels): Update table in the case label_to_block added
new label.
From-SVN: r83385
* fold-const.c (omit_two_operands): New function.
* tree.h (omit_two_operands): Prototype here.
* builtins.c (fold_builtin_unordered_cmp): New function to lower
C99 unordered comparison builtins to the appropriate tree nodes.
(fold_builtin_1): Use fold_builtin_unordered_cmp to lower
BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
BUILT_IN_ISLESSEQUAL and BUILT_IN_ISLESSGREATER. Manually lower
BUILT_IN_ISUNORDERED comparisons to an UNORDERED_EXPR tree node.
(simplify_builtin_memcmp, simplify_builtin_strncmp,
simplify_builtin_strncat, simplify_builtin_strspn): Use the new
omit_two_operands function to build the required COMPOUND_EXPRs.
From-SVN: r83040
* builtins.c (expand_builtin): Fall back to library function call for
conj, conjf, conjl, creal, crealf, creall, cimag, cimagf and cimagl.
(fold_builtin_1): Lower built-ins BUILT_IN_CONJ{,F,L} to CONJ_EXPR,
BUILT_IN_CREAL{,F,L} to REALPART_EXPR, and BUILT_IN_CIMAG{,F,L} to
IMAGPART_EXPR respectively.
From-SVN: r82938
* fold-const.c (fold_abs_const): Make extern.
* tree.h (fold_abs_const): Prototype here.
* builtins.c (fold_builtin_fabs): New function to transform
fabs, fabsf and fabsl builtins into ABS_EXPR tree nodes.
(fold_builtin_abs): New function to transform abs, labs, llabs
and imaxabs builtins into ABS_EXPR tree nodes.
(expand_builtin): Fall back to a function call for abs, labs,
llabs and imaxabs builtins that survive constant folding.
(fold_builtin_1): Call fold_builtin_fabs for FABS, FABSF and
FABSL, and fold_builtin_abs for ABS, LABS, LLABS and IMAXABS.
From-SVN: r82916
* target.h: Add gimplify_va_arg_expr hook.
* target-def.h: Add TARGET_GIMPLIFY_VA_ARG_EXPR.
* fold-const.c (build_fold_addr_expr)
(build_fold_addr_expr_with_type): Move from gimplify.c.
* tree.h: Declare them.
* gimplify.c (gimplify_and_add): New fn.
(build_addr_expr, build_addr_expr_with_type): Move to fold-const.c.
(gimplify_array_ref_to_plus, gimplify_modify_expr)
(gimplify_expr): Use build_fold_*.
(copy_if_shared_r): Only mark VA_ARG_EXPR volatile if we
don't know how to gimplify it.
* builtins.c (std_gimplify_va_arg_expr): New fn.
(dummy_object): New static fn.
(gimplify_va_arg_expr): New fn.
(stabilize_va_list): Use build_fold_*.
* tree-gimple.h: Declare new fns.
* config/i386/i386.c (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
(ix86_gimplify_va_arg): New fn.
* config/i386/ia64.c (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
(ia64_gimplify_va_arg): New fn.
* config/i386/rs6000.c (rs6000_gimplify_va_arg): New fn.
(TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
* config/i386/sparc.c (sparc_gimplify_va_arg): New fn.
* alias.c (get_varargs_alias_set): Just return 0 for now.
* c-objc-common.c (c_tree_printer): Improve handling of %T.
From-SVN: r82838
* real.c (real_copysign): New function to implement libm's copysign.
* real.h (real_copysign): Prototype here.
* fold-const.c (tree_expr_nonnegative_p): The result of sqrt, sqrtf
and sqrtl can be negative, as sqrt(-0.0) = -0.0. Correct whitespace.
* builtins.c (fold_builtin_isascii, fold_builtin_toascii,
fold_builtin_isdigit): Add function prototypes.
(fold_builtin_copysign): New function to fold copysign, copysignf
and copysignl. Optimize copysign(x,x) as x. Evaluate copysign of
constant arguments at compile-time using real_copysign. Fold
copysign(X,Y) as fabs(X) if Y is always non-negative.
(fold_builtin_1): Correct minor whitespace/style issues. Call
fold_builtin_copysign for BUILT_IN_COPYSIGN{,F,L}.
* gcc.dg/builtins-41.c: New test case.
* gcc.dg/builtins-42.c: New test case.
From-SVN: r82721
PR tree-optimization/14197
* builtins.c: Include "tree-gimple.h"
(readonly_data_expr): Use get_base_address. Make sure to call
decl_readonly_section only on trees it can handle.
* tree-gimple.c (get_base_address): Accept STRING_CST and
CONSTRUCTOR expressions.
* Makefile.in: Update dependencies.
From-SVN: r82209
* optabs.h (enum optab_index): Add new OTI_fmod and OTI_drem.
(fmod_optab): Define corresponding macros.
* optabs.c (init_optabs): Initialize fmod_optab and drem_optab.
* genopinit.c (optabs): Implement fmod_optab and drem_optab
using fmod?f3 and drem?f3 patterns.
* builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_FMOD{,F,L}
using fmod_optab and BUILT_IN_DREM{,F,L} using drem_optab.
(expand_builtin): Expand BUILT_IN_FMOD{,F,L} and
BUILT_IN_DREM{,F,L} using expand_builtin_mathfn_2 if
flag_unsafe_math_optimizations is set.
* reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FPREM_F,
UNSPEC_FPREM_U, UNSPEC_FPREM1_F and UNSPEC_FPREM1_U.
* config/i386/i386.c (ix86_emit_fp_unordered_jump): New function.
* config/i386/i386-protos.h (ix86_emit_fp_unordered_jump):
Prototype here.
* config/i386/i386.md (UNSPEC_FPREM_F, UNSPEC_FPREM_U,
UNSPEC_FPREM1_F, UNSPEC_FPREM1_U): New unspecs to represent x87's
fprem and fprem1 instructions.
(*x86_fnstsw_1): Change input parameter to (reg:CCFP 18).
Rename insn definition to x86_fnstsw_1.
(fpremxf4, fprem1xf4): New patterns to implement fprem and fprem1
x87 instructions.
(fmodsf3, fmoddf3, fmodxf3): New expanders to implement fmodf, fmod
and fmodl built-ins as inline x87 intrinsics.
(dremsf3, dremdf3, dremxf3): New expanders to implement dremf, drem
and dreml built-ins as inline x87 intrinsics.
* testsuite/gcc.dg/builtins-40.c: New test.
From-SVN: r81555
* builtins.c (fold_fixed_mathfn): New function.
(fold_builtin_lround, fold_builtin): Use it.
testsuite:
* gcc.dg/torture/builtin-integral-1.c: Reorg and add more cases.
* gcc.dg/torture/builtin-convert-3.c: New test.
From-SVN: r81403
* builtins.c (expand_builtin_update_setjmp_buf): New function.
(expand_builtin, case BUILT_IN_UPDATE_SETJMP_BUF): New case.
* builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): New code.
From-SVN: r81198
2004-04-20 Uros Bizjak <uros@kss-loka.si>
* optabs.h (enum optab_index): Add new OTI_asin and OTI_acos.
(asin_optab, acos_optab): Define corresponding macros.
* optabs.c (init_optabs): Initialize asin_optab and acos_optab.
* genopinit.c (optabs): Implement asin_optab and acos_optab
using asin?f2 and acos?f2 patterns.
* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_ASIN{,F,L}
using asin_optab, and BUILT_IN_ACOS{,F,L} using acos_optab.
(expand_builtin): Expand BUILT_IN_ASIN{,F,L} and BUILT_IN_ACOS{,F,L}
using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
* config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
acossf2, acosxf2): New expanders to implement asin, asinf, asinl,
acos, acosf and acosl built-ins as inline x87 intrinsics.
* gcc.dg/builtins-39.c: New test.
From-SVN: r80921
2004-04-14 Uros Bizjak <uros@kss-loka.si>
* optabs.h (enum optab_index): Add new OTI_logb and OTI_ilogb.
(logb_optab, ilogb_optab): Define corresponding macros.
* optabs.c (init_optabs): Initialize logb_optab and ilogb_optab.
* genopinit.c (optabs): Implement logb_optab and ilogb_optab
using logb?f2 and ilogb?i2 patterns.
* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOGB{,F,L}
using logb_optab, and BUILT_IN_ILOGB{,F,L} using ilogb_optab.
(expand_builtin): Expand BUILT_IN_LOGB{,F,L} and BUILT_IN_ILOGB{,F,L}
using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
* reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_XTRACT_FRACT
and UNSPEC_XTRACT_EXP.
* config/i386/i386.md (*fxtractdf3, *fxtractsf3, *fxtractxf3): New
patterns to implement fxtract x87 instruction.
(logbdf2, logbsf2, logbxf2, ilogbsi2): New expanders to implement
logb, logbf, logbl, ilogb, ilogbf and ilogbl built-ins as inline x87
intrinsics.
(UNSPEC_XTRACT_FRACT, UNSPEC_XTRACT_EXP): New unspecs to represent
x87's fxtract insn.
* gcc.dg/builtins-38.c: New test.
From-SVN: r80709
* real.h (struct real_value): Use the same type for all
bitfields. Rename exp to uexp.
(REAL_EXP, SET_REAL_EXP): New accessor macros for uexp.
Adjust all uses of exp...
* builtins.c: ... here, ...
* emit-rtl.c: ... here, and ...
* real.c: ... and here.
From-SVN: r79802
2004-03-10 Uros Bizjak <uros@kss-loka.si>
* optabs.h (enum optab_index): Add new OTI_exp10 and OTI_exp2.
(exp10_optab, exp2_optab): Define corresponding macros.
* optabs.c (init_optabs): Initialize exp10_optab and exp2_optab.
* genopinit.c (optabs): Implement exp10_optab and exp2_optab
using exp10?f2 and exp2?f2 patterns.
* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXP10{,F,L}
using exp10_optab, and BUILT_IN_EXP2{,F,L} using exp2_optab.
(expand_builtin): Expand BUILT_IN_EXP10{,F,L} and BUILT_IN_EXP2{,F,L}
using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
* config/i386/i386.md (exp10sf2, exp10df2, exp10xf2, exp2sf2,
exp2df2, exp2xf2): New patterns to implement exp10, exp10f, exp10l,
exp2, exp2f and exp2l built-ins as inline x87 intrinsics.
* gcc.dg/builtins-34.c: New test.
From-SVN: r79279
2004-02-11 Uros Bizjak <uros@kss-loka.si>
* optabs.h (enum optab_index): Add new OTI_log10 and OTI_log2.
(log10_optab, log2_optab): Define corresponding macros.
* optabs.c (init_optabs): Initialize log10_optab and log2_optab.
* genopinit.c (optabs): Implement log10_optab and log2_optab
using log10?f2 and log2?f2 patterns.
* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOG10{,F,L}
using log10_optab, and BUILT_IN_LOG2{,F,L} using log2_optab.
(expand_builtin): Expand BUILT_IN_LOG10{,F,L} and BUILT_IN_LOG2{,F,L}
using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
* config/i386/i386.md (log10sf2, log10df2, log10xf2, log2sf2,
log2df2, log2xf2): New patterns to implement log10, log10f, log10l,
log2, log2f and log2l built-ins as inline x87 intrinsics.
* gcc.dg/builtins-33.c: New test.
From-SVN: r77675
* builtins.c (expand_builtin_signbit): Use extract_bit_field instead
of gen_highpart or gen_lowpart when the floating point format is
wider than the result mode.
Co-Authored-By: Ulrich Weigand <uweigand@de.ibm.com>
From-SVN: r77439
* builtins.def (BUILT_IN_SIGNBIT, BUILT_IN_SIGNBITF,
BUILT_IN_SIGNBITL): New GCC builtins.
* builtins.c (expand_builtin_signbit): New function to RTL expand
calls to signbit, signbitf and signbitl as inline intrinsics.
(expand_builtin): Call expand_builtin_signbit for BUILT_IN_SIGNBIT*.
(fold_builtin_signbit): New function to perform constant folding
of signbit, signbitf and signbitl.
(fold_builtin): Call fold_builtin_signbit for BUILT_IN_SIGNBIT*.
* doc/extend.texi: Document new signbit{,f,l} builtins.
* gcc.dg/builtins-1.c: Also test for __builtin_signbit{,f,l}.
* gcc.dg/builtins-31.c: New testcase.
* gcc.dg/builtins-32.c: New testcase.
From-SVN: r77070
* real.c (real_floor, real_ceil): Tweak to allow input and output
arguments to overlap.
(real_round): New function to implement round(3m) semantics.
* real.h (real_round): Prototype here.
* builtins.c (fold_builtin_round): New function to constant fold
round, roundf and roundl.
(fold_builtin): Call fold_builtin_round for BUILT_IN_ROUND{,F,L}.
* gcc.dg/builtins-29.c: New test case.
From-SVN: r76428
* builtins.c (expand_builtin_expect_jump): Simplify logic. Handle
conditional jumps that drop through to unconditional jumps or the
end of the sequence.
From-SVN: r75780
PR middle-end/13392
* builtins.c (expand_builtin_expect_jump): Handle conditional jumps
to drop through label. Don't fall back to SCC even when conditional
jump has not been found.
* g++.dg/opt/expect2.C: New test.
From-SVN: r75684
PR c++/13239
* builtins.c (expand_builtin_expect_jump): Update
TREE_VALUE (arglist) if unsave_expr_now langhook
created a new tree.
* g++.dg/opt/expect1.C: New test.
From-SVN: r74832
PR middle-end/11151
* function.h (struct function): New field 'x_naked_return_label'.
* function.c (free_after_compilation): Set it to NULL.
(expand_function_end): Emit 'naked_return_label' if it exists.
* rtl.h (expand_naked_return): Declare.
* stmt.c (expand_naked_return): New function to generate a
jump to 'naked_return_label'.
* builtins.c (expand_builtin_return): Call expand_naked_return
instead of expand_null_return.
* config/sparc/sparc.md (untyped_return): Likewise.
From-SVN: r74312
PR middle-end/8028
PR middle-end/9890
PR middle-end/11151
PR middle-end/12210
PR middle-end/12503
PR middle-end/12692
* builtins.c (expand_builtin_apply): Use virtual_outgoing_args_rtx
as the base address to copy the memory arguments to.
From-SVN: r73976
* builtins.c (fold_builtin_memcpy, fold_builtin_mempcpy,
fold_builtin_memmove, fold_builtin_strcpy, fold_builtin_strncpy,
fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
New functions.
(expand_builtin_memcpy): Use integer_zerop instead of testing
host_integerp and tree_low_cst directly. Move misapplied hunk
for optimization wher SRC and DEST point to the same location.
(expand_builtin_mempcpy): From here.
(expand_builtin_memmove): Use integer_zerop instead of testing
host_integerp and tree_low_cst_directly.
(expand_builtin_memset): Likewise.
(expand_builtin_memcmp): Likewise (and for integer_onep).
(expand_builtin_strncmp): Likewise.
(fold_builtin): Call the appropriate fold_builtin_foo functions
to optimize memcpy, mempcpy, memmove, strcpy, strncpy, memcmp,
strcmp and strncmp.
From-SVN: r72547
* builtins.c (expand_builtin_strcmp): Defend against the possibility
that gen_cmpstrsi may fail: Stabilize the argument list against
re-evaluation and expand the library call directly using this saved
argument list if a cmpstrsi sequence can't be generated.
(expand_builtin_strncmp): Likewise.
* config/i386/i386.md (cmpstrsi, movstrsi): Disable with -Os.
* gcc.c-torture/execute/string-opt-8.c: Don't test optimizations
that inline strncmp as cmpstrsi on i386 when compiled with -Os.
From-SVN: r72380
* builtins.c (expand_builtin_memcpy): Optimize case when the two
pointer arguments are the equal, non-volatile and side-effect free.
(expand_builtin_mempcpy): Likewise.
(expand_builtin_memmove): Likewise.
(expand_builtin_strcpy): Likewise.
(expand_builtin_memcmp): Likewise.
(expand_builtin_strcmp): Likewise.
(expand_builtin_strncmp): Likewise.
* gcc.c-torture/execute/string-opt-18.c: New testcase.
From-SVN: r72335
* builtins.c (builtin_mathfn_code): Generalize to check whether
the call is to any built-in function by comparing the call's
argument list against the builtin decl's function type.
From-SVN: r72327
* target.h (init_libfuncs): New hook.
* target-def.h: Default TARGET_INIT_BUILTINS and
TARGET_INIT_LIBFUNCS to hook_void_void. Add
TARGET_INIT_LIBFUNCS to TARGET_INITIALIZER.
* builtins.c (default_init_builtins): Delete.
* expr.h (default_init_builtins): Delete prototype.
* doc/tm.texi: Document TARGET_INIT_LIBFUNCS and US_SOFTWARE_GOFAST.
Tweak documentation of TARGET_FLOAT_LIB_COMPARE_RETURNS_BOOL.
Remove documentation of INIT_TARGET_OPTABS, MULSI3_LIBCALL,
DIVSI3_LIBCALL, UDIVSI3_LIBCALL, MODSI3_LIBCALL, UMODSI3_LIBCALL,
MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL, MODDI3_LIBCALL,
and UMODDI3_LIBCALL,
* Makefile.in (optabs.o): Depends on target.h.
* defaults.h: Provide default for FLOAT_LIB_COMPARE_RETURNS_BOOL.
* optabs.c: Include target.h.
(prepare_float_lib_cmp): No need for #ifdef around use of
FLOAT_LIB_COMPARE_RETURNS_BOOL.
(set_optab_libfunc): New function.
(init_optabs): Delete use of all *_LIBCALL defines.
Call targetm.init_libfuncs not INIT_TARGET_OPTABS.
* optabs.h: Prototype set_optab_libfunc.
* config.gcc: Remove all references to pa/long_double.h,
ia64/hpux_longdouble.h, and gofast.h.
(mips-*-*): When --enable-gofast, just add US_SOFTWARE_GOFAST
to tm_defines; don't set INIT_SUBTARGET_OPTABS or change tm_file.
* config/alpha/alpha.c, config/c4x/c4x.c, config/cris/cris.c
* config/frv/frv.c, config/h8300/h8300.c, config/i860/i860.c
* config/ia64/ia64.c, config/ip2k/ip2k.c, config/m68hc11/m68hc11.c
* config/mips/mips.c, config/pa/pa.c, config/rs6000/rs6000.c
* config/sparc/sparc.c, config/vax/vax.c:
Provide a definition for TARGET_INIT_LIBFUNCS. Where
necessary, include optabs.h, libfuncs.h, and/or config/gofast.h.
* config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.h
* config/avr/avr.h, config/cris/cris.h, config/frv/frv.h
* config/h8300/h8300.h, config/i860/i860.h, config/ip2k/ip2k.h
* config/iq2000/iq2000.h, config/m68hc11/m68hc11.h, config/mips/mips.h
* config/rs6000/aix.h, config/rs6000/sysv4.h, config/sparc/elf.h
* config/sparc/lite.h, config/sparc/netbsd-elf.h, config/sparc/sol2.h
* config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h
* config/vax/elf.h: Don't define or use INIT_TARGET_OPTABS,
INIT_SUBTARGET_OPTABS, or any *_LIBCALL macros.
* config/ia64/hpux.h: Redefine INTEL_EXTENDED_IEEE_FORMAT to 0.
Set TARGET_INIT_LIBFUNCS and FLOAT_LIB_COMPARE_RETURNS_BOOL here.
* config/pa/pa-hpux.h: Define LONG_DOUBLE_TYPE_SIZE,
HPUX_LONG_DOUBLE_LIBRARY, and FLOAT_LIB_COMPARE_RETURNS_BOOL here.
* config/ia64/hpux_longdouble.h, config/pa/long_double.h: Delete.
* config/rs6000/xcoff.h: Don't define RS6000_ITRUNC nor RS6000_UITRUNC.
* config/sparc/sparc.h: Default SUN_CONVERSION_LIBFUNCS and
SUN_INTEGER_MULTIPLY_64 to 0.
* config/sparc/sol2.h: Redefine SUN_CONVERSION_LIBFUNCS and
SUN_INTEGER_MULTIPLY_64 to 1.
* config/sparc/elf.h: Redefine SUN_CONVERSION_LIBFUNCS and
SUN_INTEGER_MULTIPLY_64 to 0.
* config/sparc/lite.h, config/sparc/liteelf.h, config/sparc/sp86x-elf.h:
Define US_SOFTWARE_GOFAST.
* config/vax/vax.h: Default TARGET_ELF to 0.
* config/vax/elf.h: Redefine TARGET_ELF to 1.
* config/gofast.h: Don't define any macros here. Provide one
static function, gofast_maybe_init_libfuncs, which does what
INIT_GOFAST_LIBFUNCS used to do but only if US_SOFTWARE_GOFAST
is already defined. Do not clear negation libfuncs. Do
not mess with HFmode, XFmode, or TFmode libfuncs.
* config/avr/avr.c (avr_init_once): #if 0 out; mark FIXME.
From-SVN: r72009
* builtins.c (fold_builtin_logarithm): if N can't be truncated to
MODE exactly, then only convert logN(N) -> 1.0 if
flag_unsafe_math_optimizations is set.
From-SVN: r71322
* builtins.c (real_dconstp, fold_builtin_logarithm,
fold_builtin_exponent): New, split out from fold_builtin. Also
generalize to add log2, log10, exp2 and exp10/pow10 equivalents.
* emit-rtl.c (dconst3, dconst10, dconstthird): New.
(init_emit_once): Initialize new dconsts, use ARRAY_SIZE in lieu
of hardcoded array size.
* fold-const.c (fold): Add cases for exp2, exp10 and pow10.
(tree_expr_nonnegative_p): Likewise.
* real.h (dconst3, dconst10, dconstthird): New.
testsuite:
* gcc.dg/torture/builtin-explog-1.c: New testcase.
From-SVN: r71252
* targhooks.c: New file.
* targhooks.h: New file.
* Makefile.in: Add targhooks.o support.
(function.o): Depend on$(TARGET_H).
(stmt.o): Likewise.
(combine.o): Depend on $(TREE_H) and $(TARGET_H).
* builtins.c (apply_args_size, expand_builtin_apply_args_1,
expand_builtin_apply): Convert to calls.struct_value_rtx hook.
(expand_builtin_saveregs): Convert to
calls.expand_builtin_saveregs hook.
* c-decl.c (start_decl): Handle new calls.promote_prototypes hook
here, instead of ...
(get_parm_info) ... here.
(store_parm_decls_oldstyle): Convert to calls.promote_prototypes
hook.
(finish_function): Handle calls.promote_prototypes hook here too.
* c-typeck.c (convert_arguments): Convert to
calls.promote_prototypes hook.
(c_convert_parm_for_inlining): Likewise.
* calls.c (initialize_argument_information): Convert to
calls.promote_function_args hook.
(expand_call): Convert to calls.struct_value_rtx,
calls.strict_argument_naming,
calls.pretend_outgoing_varargs_named, and
calls.promote_function_return hooks. Pass fndecl to
aggregate_value_p. Initialize CUMULATIVE_ARGS before calling
hooks, so they can use that.
(emit_library_call_value_1): Likewise.
* combine.c (setup_incoming_promotions): Convert to
calls.promote_function_args hook.
* emit-rtl.c: Convert to calls.struct_value_rtx hook.
* expr.c (expand_assignment): Pass call to aggregate_value_p.
(expand_expr): Likewise.
* expr.h: Remove support for SETUP_INCOMING_VARARGS,
STRICT_ARGUMENT_NAMING, PRETEND_OUTGOING_VARARGS_NAMED,
RETURN_IN_MEMORY macro defaults.
* final.c (profile_function): Convert to calls.struct_value_rtx
hook.
* function.c (aggregate_value_p): Accept function type tree as
second parameter; try to deduce fntype from it. Convert to
calls.return_in_memory hook.
(assign_parms): Convert to calls.setup_incoming_varargs,
calls.strict_argument_naming, calls.promote_function_args,
calls.pretend_outgoing_varargs_named hooks. Pass fndecl to
aggregate_value_p.
(expand_function_start): Likewise. Convert to
calls.struct_value_rtx hook.
(expand_function_end): Convert to calls.promote_function_return hook.
(allocate_struct_function): Pass fndecl to aggregate_value_p.
* hard-reg-set.h: Update comments to new hook names.
* integrate.c (expand_inline_function): Pass fndecl to aggregate_value_p.
* reg-stack.c (stack_result): Likewise.
* rtl.h (struct_value_rtx, struct_value_incoming_rtx): Delete.
* stmt.c (expand_value_return): Convert to
calls.promote_function_return hook.
* target-def.h: Add TARGET_PROMOTE_FUNCTION_ARGS,
TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
TARGET_STRUCT_VALUE_RTX, TARGET_RETURN_IN_MEMORY,
TARGET_EXPAND_BUILTIN_SAVEREGS, TARGET_SETUP_INCOMING_VARARGS,
TARGET_STRICT_ARGUMENT_NAMING,
TARGET_PRETEND_OUTGOING_VARARGS_NAMED, and TARGET_CALLS.
* target.h: Likewise.
* tree.h (aggregate_value_p): Also takes a tree to deduce function
attributes from (for target hooks).
* doc/tm.texi (PROMOTE_FUNCTION_ARGS, PROMOTE_FUNCTION_RETURN,
PROMOTE_PROTOTYPES, RETURN_IN_MEMORY, STRUCT_VALUE_REGNUM,
STRUCT_VALUE, STRUCT_VALUE_INCOMING_REGNUM, STRUCT_VALUE_INCOMING,
EXPAND_BUILTIN_SAVEREGS, SETUP_INCOMING_VARARGS,
STRICT_ARGUMENT_NAMING, PRETEND_OUTGOING_VARARGS_NAMED): Convert
to hooks.
* config/alpha/alpha.c (alpha_output_mi_thunk_osf): Pass function
to aggregate_value_p.
* config/arm/arm.c (arm_init_cumulative_args,
arm_output_mi_thunk): Likewise.
* config/i386/i386.c (ix86_return_pops_args, x86_this_parameter):
Likewise.
* config/mips/mips.c (mips_save_reg_p, mips_expand_prologue,
mips_can_use_return_insn): Likewise.
* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
* config/s390/s390.c (s390_output_mi_thunk): Likewise.
* config/sparc/sparc.c (sparc_output_mi_thunk): Pass function to
aggregate_value_p.
* config/story16/stormy16.c (xstormy16_asm_output_mi_thunk): Pass
function to aggregate_value_p.
* objc/objc-act.c (generate_struct_by_value_array): Pass NULL to
aggregate_value_p.
* config/sh/sh-protos.h (sh_builtin_saveregs): Remove.
(sh_attr_renesas_p, sh_cfun_attr_renesas_p, sh_function_arg,
sh_function_arg_advance, sh_pass_in_reg_p): New. * config/sh/sh.c
(sh_handle_renesas_attribute, sh_promote_prototypes,
sh_struct_value_rtx, sh_return_in_memory, sh_builtin_saveregs,
sh_setup_incoming_varargs, sh_strict_argument_naming,
sh_pretend_outgoing_varargs_named): New decls.
(targetm): Add new hooks.
(calc_live_regs): Save MACL and MACH if the function has the
renesas attribute.
(sh_expand_prologue): Support renesas attribute.
(sh_builtin_saveregs): Make static.
(sh_build_va_list): Support renesas attribute.
(sh_va_start): Likewise.
(sh_va_arg): Likewise.
(sh_promote_prototypes): New.
(sh_function_arg): New, moved from sh.h. Support renesas
attribute.
(sh_function_arg_advance): Likewise.
(sh_return_in_memory): Likewise.
(sh_strict_argument_naming): Likewise.
(sh_pretend_outgoing_varargs_named): Likewise.
(sh_struct_value_rtx): New.
(sh_attribute): Add renesas attribute.
(sh_handle_renesas_attribute): New.
(sh_attr_renesas_p, sh_cfun_attr_renesas_p): New.
(sh_ms_bitfield_layout_p): Support renesas attribute also.
(sh_output_mi_thunk): Pass function to aggregate_value_p. *
config/sh/sh.h (TARGET_SWITCHES): Add -mrenesas as an alias for
-mhitachi.
(STRUCT_VALUE_REGNUM, STRUCT_VALUE, RETURN_IN_MEMORY): Moved to
target hooks.
(sh_args): Add renesas_abi flag.
(INIT_CUMULATIVE_ARGS): Set it. Pass fndecl to aggregate_value_p.
(FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Move to sh.c.
(PASS_IN_REG_P): Support renesas attribute. Pass DF and TF on the
stack for the renesas abi.
(STRICT_ARGUMENT_NAMING, PRETEND_OUTGOING_VARARGS_NAMED,
SETUP_INCOMING_VARARGS, EXPAND_BUILTIN_SAVEREGS,
PROMOTE_PROTOTYPES): Moved to sh.c. * config/sh/sh.md (call): Set
call cookie to indicate renesas calls.
* decl.c (finish_function): Pass fndecl to aggregate_value_p.
* misc.c (default_pass_by_ref): Convert to calls.return_in_memory
hook.
From-SVN: r71048
* builtins.c (expand_builtin_setjmp): Use emit_jump to jump around
the != 0 case, which ensures pending stack adjustments are flushed.
From-SVN: r70958
* builtins.c (expand_builtin_expect_jump): Save pending_stack_adjust
and restore it if returning NULL.
* gcc.dg/20030826-2.c: New test.
From-SVN: r70844
* builtins.c (fold_builtin_bitop): New function to perform constant
folding of ffs, clz, ctz, popcount and parity builtin functions
and their long and long long variants (such as ffsl and ffsll).
(fold_builtin): fold_builtin_bitop when appropriate.
* simplify-rtx.c (simplify_unary_operation): Honor both
CLZ_DEFINED_VALUE_AT_ZERO and CTZ_DEFINED_VALUE_AT_ZERO when
evaluating clz and ctz at compile-time, for operands wider
than HOST_WIDE_INT.
From-SVN: r70806
* builtins.c (expand_builtin_mathfn): Rearrange so that we only
return 0 for invalid argument types. Instead drop through to a
call of expand_call at the bottom of function. If op is SQRT,
try attaching a SQRT rtx as the REQ_EQUAL note of the libcall.
From-SVN: r70792
