1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
* rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
bounds- check RTL accesses if --enable-checking.
(RTVEC_ELT): Bounds check if --enable-checking.
(XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
(XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
GET_NUM_ELEM.
(X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
(ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
(NOTE_SOURCE_FILE): Use X0STR.
(NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
MEM_ALIAS_SET): Use X0INT.
(NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
Use X0EXP.
* real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
* rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
(rtl_check_failed_bounds, rtl_check_failed_type1,
rtl_check_failed_type2, rtvec_check_failed_bounds): New
functions.
(fancy_abort): Fix comment.
* cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
(cse_insn): Decrement LABEL_NUSES for jump target before
deleting jump insn.
* emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
* final.c (alter_subreg): Compute regno before changing x to
REG; set REGNO(x) after changing it.
* flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
notes containing CONST_INTs.
(delete_eh_regions): Use NOTE_EH_HANDLER.
* function.c (put_reg_into_stack): Make reg a MEM before
initializing it.
(fixup_var_refs_insns): Save REG_NOTES (insn) in case we
delete insn.
(gen_mem_addressof): Make reg a MEM before initializing it.
* integrate.c (copy_rtx_and_substitute): Copy '0' slots with
X0WINT.
* local-alloc.c (update_equiv_regs): Zap REG_NOTES before
deleting an insn, not after.
(block_alloc): Only look at PATTERN(insn) if we have to, and
only if it's format class 'i'.
* loop.c (check_dbra_loop): Check bl->biv->add_val is a
CONST_INT before using its INTVAL.
* print-rtl.c (print_rtx): Use X0STR.
* regmove.c (fixup_match_1): Don't look at PATTERN of
non-class-'i' insn chain elements.
* reload.c (loc_mentioned_in_p): Take address of
in->fld[1].rtx directly.
* reload1.c (reload): Change reg to a MEM before initializing
it.
* varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
have no names.
* config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
From-SVN: r29008
1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
* rtl.def (NOTE): Change format to "iuu0n".
(ADDR_DIFF_VEC): Change format to "eEee0".
(ADDRESSOF): Change format to "eit".
* rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
(RTVEC_ELT): Change to match.
(XVECEXP): Use XVEC and RTVEC_ELT.
(INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
(PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
TRAP_CONDITION, TRAP_CODE): Use XEXP.
(INTVAL): Use XWINT.
(ADDRESSOF_DECL): Use XTREE.
(SET_ADDRESSOF_DECL): Delete.
(NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
ifdefed out since 2.6 at least.
(gen_rtvec_vv): Delete prototype.
* rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
not rtunion.
(copy_most_rtx): Handle 't' format letter.
* emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
(gen_rtvec_vv): Delete function. All callers changed to use
gen_rtvec_v instead.
* print-rtl.c (print_rtx): Move special casing of NOTEs to
the '0' format letter.
* function.c (gen_mem_addressof): Don't use
SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
instead.
* integrate.c (copy_rtx_and_substitute): Likewise.
Copy 't' slots with XTREE.
(subst_constants): Treat 't' slots like '[swi]' slots.
* cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
* jump.c (rtx_equal_for_thread_p): Likewise.
* rtlanal.c (rtx_equal_p): Likewise.
* stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
only four arguments.
* gengenrtl.c (type_from_format): Provide correct types for
'b' and 't' slots.
* tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
If a recent gcc is in use (always in stage2 and beyond), use
statement expressions, so we don't make a function call unless
the check fails. Evaluate arguments exactly once.
(CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
Delete.
(CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
they evaluate their arguments exactly once, irrespective of
the compiler in use.
* tree.c [ENABLE_CHECKING]: Define whichever set of functions
is used by the currently-enabled check macros. This is:
(tree_check_failed, tree_class_check_failed): For gcc.
(tree_check, tree_class_check, cst_or_constructor_check,
expr_check): For other compilers.
* gencheck.c: Do not define any *_CHECK1 macros.
From-SVN: r28769
�
* print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
* haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
and NOTE_INSN_RANGE_END specially.
(reemit_notes): Likewise.
From-SVN: r22126
Mon Jul 13 16:15:10 1998 John Carr <jfc@mit.edu>
* sparc.c, sparc.h, sparc.md: New trampoline code.
Allow integer operand 1 to V8+ DImode shift instructions.
Fix bugs in V8+ wide multiply patterns.
In 32 bit mode, split DImode register moves and logical instructions.
Write V9 branch prediction flag.
Use V9 conditional move more often for scc.
* print-rtl.c (print_rtx): Use HOST_PTR_PRINTF to print pointer.
From-SVN: r21108
* print-rtl.c (print_rtx): Display the real-value equivalent of
a const_double when easy.
* real.h (REAL_VALUE_TO_TARGET_SINGLE): Use a union to pun types.
Zero memory first for predictability.
(REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
* varasm.c (immed_real_const_1): Notice width of H_W_I == double.
From-SVN: r20972
* Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
(rtl.o, emit-rtl.o): Add dependency on bitmap.h.
($(HOST_PREFIX_1)rtl.o): Likewise.
($(HOST_PREFIX_1)bitmap.o): New host object.
* emit-rtl.c (toplevel): Include bitmap.h.
(gen_rtx): Handle 't' and 'b' nodes.
* print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
Print block number for block begin/end notes. Print 't' type
nodes as a pointer. Know that the 3rd argument of live range
start/stop notes is really a range_info rtx. If type is 'b', print
out argument as a bitmap.
* rtl.c: Include bitmap.c.
(copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
(note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
* rtl.def (RANGE_LIVE): New node to hold live information while we
recalculate the basic blocks.
(RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
(RANGE_VAR): New node, to hold information saved in symbol node for New
communicating live range information to the debug output functions.
* rtl.h (rtunion_def): Add rttree and rtbit fields.
(XBITMAP, XTREE): New accessor macros.
(NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
(NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
(NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
(NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
(RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
(RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
(RANGE_INFO_*): Likewise.
* sched.c (sched_analyze): Keep live range start/stop notes.
(unlink_other_notes): Likewise.
* haifa-sched.c (sched_analyze): Keep live range start/stop notes.
(unlink_other_notes): Likewise.
* tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
(BLOCK_LIVE_RANGE_FLAG): Likewise.
(DECL_LIVE_RANGE_RTL): Likewise.
(struct tree_block): Add live_range_flag, live_range_var_flag,
live_range_start and live_range_end.
(struct tree_decl): Add live_range_rtl field.
* gengenrtl.c (type_from_format): Handle 'b' and 't'.
(accessor_from_format): Likewise.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r19727
/
* c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
prototype for `handle_sysv_pragma', and make it static. Add
parentheses around assignment used as truth value.
* combine.c (combine_instructions): Protect variable `prev' with
macro HAVE_cc0.
(can_combine_p): Protect variable `link' with AUTO_INC_DEC.
(extract_left_shift): Add parentheses around operand of &.
(merge_outer_ops): Avoid an empty body in an else-statement.
(gen_rtx_combine): Remove unused variable `i'.
* sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
function monstartup `void'. Likewise for internal_mcount. Add
`static void' prototype for moncontrol. Reconcile sprintf format
vs. args.
* sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
Make return type of function_arg_slotno explicitly `int'.
(reg_unused_after): Add parentheses around assignment used as
truth value.
(save_regs): Add explicit braces to avoid ambiguous `else'.
(function_arg_slotno): Add parentheses around && within ||.
(function_arg_pass_by_reference): Likewise.
(sparc_flat_output_function_prologue): Reconcile fprintf format
vs. args.
* svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
assignment used as truth value.
* cplus-dem.c: Include <stdlib.h>.
(demangle_signature): Avoid an empty body in an else-statement.
(do_type): Remove unused variable `lvl'.
* cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
Include <string.h>/<strings.h>.
(cpp_lex): Remove unused variable `namelen'.
(cpp_lex): Explicitly declare `num_chars' as an int.
* cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
<unistd.h> instead. Explicitly declare is_system_include
returning int.
(make_assertion): Remove unused variable `kt'.
(cpp_expand_to_buffer): Hide variable `obuf'.
(output_line_command): Remove unused variables, `line_end',
`line_cmd_buf' and `len'.
(macarg): Remove unused variable `arg_start'.
(special_symbol): Remove unused variable `i'. Add parentheses
around assignment used as truth value.
(do_include): Remove unused variables `pcfname' and `retried',
hide `pcf' and `pcfbuflimit'.
(do_line): Remove unused variable `i'.
(finclude): Hide variable `missing_newline'.
(cpp_handle_options): Remove unused variable `j'.
(read_token_list): Remove unused variable `eofp'.
(cpp_error_with_line): Remove unused variable `i'.
(cpp_warning_with_line): Likewise.
(cpp_pedwarn_with_line): Explicitly declare `column' as int.
(cpp_error_from_errno): Remove unused variable `i'.
* cse.c (invalidate): Add parentheses around assignment used as
truth value.
(find_best_addr): Move declaration of variable `our_cost' inside
the conditional macro where its used.
(fold_rtx): Avoid an empty body in an if-statement.
(cse_insn): Wrap variables `this_insn_cc0_mode' and
`this_insn_cc0' in macro HAVE_cc0.
* dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
(ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
(output_uleb128): Likewise.
(output_sleb128): Likewise.
(output_cfi): Likewise.
(output_call_frame_info): Remove unused variables `j', `fde_size'
and `fde_pad'.
(comp_unit_has_inlines): Hide declaration as per rest of file.
(size_of_line_prolog): Correct typo in prototype.
(add_arange): Likewise.
(output_aranges): Likewise.
(add_name_and_src_coords_attributes): Likewise.
(gen_array_type_die): Likewise.
(gen_inlined_subroutine_die): Likewise.
(equate_decl_number_to_die): Remove unused variable `i'.
(print_die): Reconcile format vs. args in fprintf's.
(print_dwarf_line_table): Likewise.
(output_die): Likewise.
(output_line_info): Likewise.
(add_subscript_info): Avoid an empty body in an else-statement.
(gen_subprogram_die): Remove unused variable `fp_loc'.
* dwarfout.c: Explicitly declare `next_pubname_number' as int.
Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
macro. Protect `src_coords_attribute' prototype with
DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
prototype as in the rest of the file. Likewise for
`output_pointer_type_die' and `output_reference_type_die'. Remove
prototype for `type_of_for_scope'.
(output_unsigned_leb128): Reconcile format vs. args in fprintf.
(type_attribute): Add explicit braces to avoid ambiguous `else'.
* final.c: Include <stdlib.h> and <string.h>/<strings.h>.
(shorten_branches): Protect declaration of tmp_length with
SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
(profile_function): Protect declaration of `sval' and `cxt'
variables with appropriate macros.
(final_scan_insn): Likewise for `note' variable. Add explicit
braces to avoid empty body in an if-statement.
(output_asm_insn): Move variable `i' inside macro conditional
where it is used. Add parentheses around assignment used as truth
value.
(asm_fprintf) Likewise, likewise.
* fix-header.c (main): Remove unused variable `done'. Protect
declaration of `i' with FIXPROTO_IGNORE_LIST.
* pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
* print-rtl.c (print_inline_rtx): Explicitly declare the parameter
`ind'.
* profile.c: Include <string.h>/<strings.h>.
(instrument_arcs): Remove unused variables `note', `inverted',
`zero' and `neg_one'.
(branch_prob): Avoid empty body in an if-statement.
* regclass.c: Include <stdlib.h>.
(reg_alternate_class): Explicitly declare parameter `regno'.
* regmove.c (regmove_optimize): Remove unused variable `p'. Add
parentheses around assignment used as truth value.
(find_matches): Remove unused variables `output_operand' and
`matching_operand'.
(fixup_match_1): Remove statement with no effect: "if (0) ;".
* scan.c (sstring_append): Explicitly declare `count' as int.
(scan_string): Explicitly declare parameter `init' as int.
* sched.c: Include <stdlib.h>.
(BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
(rank_for_schedule): Add parentheses around assignment used as
truth value.
(schedule_block): Likewise.
(regno_use_in): Likewise.
(schedule_insns): Remove unused variable `i'.
* toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
(v_message_with_decl): Remove unused variable `n'.
(botch): Explicitly declare parameter `s' as char *.
(main): Add parentheses around assignment used as truth value.
* tree.c (make_node): Protect the variable `kind' with the
GATHER_STATISTICS macro.
(real_value_from_int_cst): Move variable `e' inside conditional
macro area where it is used.
(tree_last): Add parentheses around assignment used as truth value.
(build1): Protect the variable `kind' with the GATHER_STATISTICS
macro.
(print_obstack_statistics): Reconcile format vs. args in fprintf.
Protect variables `i', `total_nodes', and `total_bytes' with the
GATHER_STATISTICS macro.
Lots more -W -Wall warnings disappear.
From-SVN: r17517
