builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
* builtins.def (BUILT_IN_VA_ARG_PACK): New built-in. * tree.h (CALL_EXPR_VA_ARG_PACK): Define. * tree-inline.h (copy_body_data): Add call_expr field. * tree-inline.c (expand_call_inline): Initialize call_expr. (copy_bb): Append anonymous inline fn arguments to arguments when inlining a CALL_EXPR_VA_ARG_PACK call. * builtins.c (expand_builtin): Issue an error if BUILT_IN_VA_ARG_PACK is seen during expand. (fold_call_expr, fold_builtin_call_array): Don't fold CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with __builtin_va_arg_pack () call as last argument. * gimplify.c (gimplify_call_expr): If last argument to a vararg function is __builtin_va_arg_pack (), decrease number of call arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR. * expr.c (expand_expr_real_1): Issue an error if CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand. * tree-pretty-print.c (dump_generic_node): Handle printing CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs. * doc/extend.texi (__builtin_va_arg_pack): Document. * gcc.c-torture/execute/va-arg-pack-1.c: New test. * gcc.dg/va-arg-pack-1.c: New test. From-SVN: r128150
This commit is contained in:
Jakub Jelinek
parent
e050d7958c
commit
6ef5231bdf
122
gcc/ChangeLog
122
gcc/ChangeLog
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@ -1,3 +1,25 @@
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2007-09-05 Jakub Jelinek <jakub@redhat.com>
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* builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
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* tree.h (CALL_EXPR_VA_ARG_PACK): Define.
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* tree-inline.h (copy_body_data): Add call_expr field.
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* tree-inline.c (expand_call_inline): Initialize call_expr.
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(copy_bb): Append anonymous inline fn arguments to arguments
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when inlining a CALL_EXPR_VA_ARG_PACK call.
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* builtins.c (expand_builtin): Issue an error if
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BUILT_IN_VA_ARG_PACK is seen during expand.
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(fold_call_expr, fold_builtin_call_array): Don't fold
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CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with
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__builtin_va_arg_pack () call as last argument.
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* gimplify.c (gimplify_call_expr): If last argument to a vararg
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function is __builtin_va_arg_pack (), decrease number of call
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arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR.
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* expr.c (expand_expr_real_1): Issue an error if
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CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand.
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* tree-pretty-print.c (dump_generic_node): Handle printing
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CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs.
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* doc/extend.texi (__builtin_va_arg_pack): Document.
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2007-09-05 Adam Nemet <anemet@caviumnetworks.com>
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PR tree-optimization/21513
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@ -92,7 +114,7 @@
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(was_mips16_p): New.
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(mips_set_mips16_mode): New, split out from override_options.
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(mips_set_current_function): New.
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(override_options): Add sorry for unsupported mips16/pic
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(override_options): Add sorry for unsupported mips16/pic
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combination. Remove error for mips16/dsp combination. Save
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base option settings.
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(mips_file_start): Move mips16 mode setting output from here....
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@ -114,7 +136,7 @@
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* config/mips/mips.c (mips_legitimize_tls_address): Call sorry
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if we encounter TLS address in MIPS16 mode.
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(mips_legitimize_const_move): Check cannot_force_const_mem for
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(mips_legitimize_const_move): Check cannot_force_const_mem for
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the (const (plus symbol offset)) case; this forces invalid TLS
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address in MIPS16 mode to be caught by the above call to sorry.
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(override_options): Don't reset targetm.have_tls in MIPS16 mode,
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@ -134,7 +156,7 @@
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* function.h: Here.
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(set_cfun): Declare.
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* tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to...
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* function.c: Here.
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* function.c: Here.
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(push_function_context_to): Use allocate_struct_function
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to create null context, not init_dummy_function_start. Use set_cfun.
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(pop_function_context_from): Use set_cfun.
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@ -168,7 +190,7 @@
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2007-09-05 Kenneth Zadeck <zadeck@naturalbridge.com>
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* regrename.c (rerename_optimize): Use deferred rescanning and
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* regrename.c (rerename_optimize): Use deferred rescanning and
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insert explicit calls to rescan insns when changed.
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2007-09-05 Jan Hubicka <jh@suse.cz>
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@ -1178,9 +1200,9 @@
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* toplev.c (init_alignments): New, split out from...
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(process_options): ...here.
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(backend_init_target): New, split out from...
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(backend_init_target): New, split out from...
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(backend_init): ...here.
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(lang_dependent_init_target): New, split out from...
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(lang_dependent_init_target): New, split out from...
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(lang_dependent_init): ...here.
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(target_reinit): New.
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* toplev.h (target_reinit): Declare.
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@ -3338,7 +3360,7 @@
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2007-08-11 David Daney <ddaney@avtrex.com>
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* config/mips/mips.c (mips_sched_reorder): Mark cycle parameter
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* config/mips/mips.c (mips_sched_reorder): Mark cycle parameter
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as ATTRIBUTE_UNUSED.
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2007-08-11 David Edelsohn <edelsohn@gnu.org>
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@ -3514,17 +3536,17 @@
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2007-08-09 Sandra Loosemore <sandra@codesourcery.com>
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* config/mips/mips.opt (mhard-float, msoft-float): Make these
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* config/mips/mips.opt (mhard-float, msoft-float): Make these
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control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather
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than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT.
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* config/mips/mips.h (mips16_hard_float): Delete.
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(TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these
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(TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these
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definitions, and replace with....
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(TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
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* config/mips/mips.c (mips16_hard_float): Delete. Replace
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all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
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(MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments.
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(override_options): Replace MASK_SOFT_FLOAT references with
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(override_options): Replace MASK_SOFT_FLOAT references with
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MASK_SOFT_FLOAT_ABI. Delete twiddling with MASK_SOFT_FLOAT
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and mips16_hard_float when TARGET_MIPS16.
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@ -3562,7 +3584,7 @@
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tri-state integer.
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* optabs.c (expand_ffs, expand_ctz): New functions to compute
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ffs and ctz using clz.
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(expand_unop): Call them.
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(expand_unop): Call them.
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* config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
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result value.
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(CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
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@ -4687,7 +4709,7 @@
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2007-08-01 Sandra Loosemore <sandra@codesourcery.com>
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* reload.c (find_reloads_address_part): Pass correct MEMREFLOC
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* reload.c (find_reloads_address_part): Pass correct MEMREFLOC
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argument to find_reloads_address.
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2007-08-01 Daniel Jacobowitz <dan@codesourcery.com>
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@ -4846,7 +4868,7 @@
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2007-07-31 Sandra Loosemore <sandra@codesourcery.com>
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* config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test.
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* config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test.
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2007-07-31 Revital Eres <eres@il.ibm.com>
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@ -6228,7 +6250,7 @@
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2007-07-18 Caroline Tice <ctice@apple.com>
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* var-tracking.c (find_src_status): Check for COND_EXEC insns
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* var-tracking.c (find_src_status): Check for COND_EXEC insns
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and handle them correctly; check that src is not NULL before
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trying to use it.
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(find_src_set_src): Likewise.
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@ -6392,7 +6414,7 @@
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2007-07-16 Sandra Loosemore <sandra@codesourcery.com>
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Nigel Stephens <nigel@mips.com>
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* config/mips/mips.md: Include 20kc.md.
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* config/mips/mips.md: Include 20kc.md.
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* config/mips/20kc.md: New file.
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* config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
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(mips_adjust_cost): Tweak for 20Kc.
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@ -8876,7 +8898,7 @@
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* df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
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df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
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(problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
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problem_NOTE): Initialize free_blocks_on_set_blocks.
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problem_NOTE): Initialize free_blocks_on_set_blocks.
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(df_lr_bb_local_compute): Recompute luids if df_live problem is
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not active.
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(df_live_set_all_dirty, df_note_alloc): New function.
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@ -9341,7 +9363,7 @@
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* tree-ssa.c (tree_ssa_useless_type_conversion_1):
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Convert the MIN/MAX of the inner type to the outer
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type before comparing them.
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* tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
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* tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
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POINTER_PLUS_EXPR instead of PLUS_EXPR.
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(issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
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of PLUS_EXPR for pointers.
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@ -10916,7 +10938,7 @@
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* config/mn10300/mn10300.md: Include.
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* config/mn10300/mn10300.c(mn10300_secondary_reload_class):
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Fix up for removed macro.
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* config/mn10300/predicates.md (call_address_operand): Ditto.
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* config/mn10300/predicates.md (call_address_operand): Ditto.
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* config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
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(CONST_OK_FOR_I): Ditto.
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(CONST_OK_FOR_J): Ditto.
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@ -11279,10 +11301,10 @@
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* doc/extend.texi (Function Attributes): Document MIPS "near" and
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"far" attributes.
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* testsuite/gcc.target/mips/near-far-1.c: New test case.
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* testsuite/gcc.target/mips/near-far-2.c: New test case.
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* testsuite/gcc.target/mips/near-far-3.c: New test case.
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* testsuite/gcc.target/mips/near-far-4.c: New test case.
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* testsuite/gcc.target/mips/near-far-1.c: New test case.
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* testsuite/gcc.target/mips/near-far-2.c: New test case.
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* testsuite/gcc.target/mips/near-far-3.c: New test case.
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* testsuite/gcc.target/mips/near-far-4.c: New test case.
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2007-05-25 Eric Christopher <echristo@apple.com>
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@ -11444,7 +11466,7 @@
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stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
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* Makefile.in (tree-predcom.o): Add.
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(tree-affine.o): Add TREE_GIMPLE_H dependency.
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* passes.c (init_optimization_passes): Add dceloop after
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* passes.c (init_optimization_passes): Add dceloop after
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copy propagation in loop optimizer. Add predictive commoning
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to loop optimizer passes.
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@ -12692,7 +12714,7 @@
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2007-05-14 Dave Korn <dave.korn@artimi.com>
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* genautomata.c (gen_regexp_el): Allocate correct size for regexp.
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* genautomata.c (gen_regexp_el): Allocate correct size for regexp.
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2007-05-14 Rafael Avila de Espindola <espindola@google.com>
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@ -13905,7 +13927,7 @@
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2007-04-26 Steve Ellcey <sje@cup.hp.com>
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* config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
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* config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
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2007-04-26 Richard Guenther <rguenther@suse.de>
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@ -14219,7 +14241,7 @@
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(create_phi_node): Use set_phi_nodes.
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* omp-low.c (expand_omp_parallel): Use bb_stmt_list.
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* tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
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(combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
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(combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
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* tree-flow-inline.h (phi_nodes, set_phi_nodes,
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(bsi_start, bsi_last): Use bb_stmt_list.
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(phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
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|
|
@ -14788,7 +14810,7 @@
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* tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
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estimate_reg_pressure_cost. Add number of ivs.
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(determine_set_costs): Dump target_reg_cost.
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* loop-invariant.c (gain_for_invariant): Use
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* loop-invariant.c (gain_for_invariant): Use
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estimate_reg_pressure_cost. Removed n_inv_uses argument.
|
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(best_gain_for_invariant, find_invariants_to_move): Remove
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n_inv_uses.
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|
@ -15663,7 +15685,7 @@
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2007-04-07 Bruce Korb <bkorb@gnu.org>
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* c.opt: Add -Wformat-contains-nul.
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* c-format.c (set_Wformat): Set warn_format_contains_nul to the
|
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* c-format.c (set_Wformat): Set warn_format_contains_nul to the
|
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-Wformat setting.
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(check_format_info_main): Check OPT_Wformat_contains_nul before emitting
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the NUL byte warning.
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|
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@ -15689,7 +15711,7 @@
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argument "reliable".
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(infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
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Add argument "reliable". Propagate it through calls.
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(infer_loop_bounds_from_undefined): Derive number of iterations
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(infer_loop_bounds_from_undefined): Derive number of iterations
|
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estimates from references in blocks that do not dominate loop latch.
|
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(gcov_type_to_double_int): New function.
|
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(estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
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|
|
@ -17893,7 +17915,7 @@
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(dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
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and 2 builtins.
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(bdesc_map): Add one field of unsupported_target_flags.
|
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(bdesc_arrays): Update entries to have extra fields. Add
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(bdesc_arrays): Update entries to have extra fields. Add
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dsp_32only_bdesc.
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(mips_init_builtins): Initialize new function types.
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Check unsupported_target_fileds to filter out builtins.
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|
|
@ -18896,7 +18918,7 @@
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|
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2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
|
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|
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* tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
|
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* tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
|
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unroll factor by the estimated number of iterations.
|
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(loop_prefetch_arrays): Do not prefetch in loops that iterate less
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than prefetch latency.
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|
|
@ -19352,7 +19374,7 @@
|
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2007-02-23 Steve Ellcey <sje@cup.hp.com>
|
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|
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PR debug/29614
|
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* varpool.c (varpool_assemble_pending_decls): Set
|
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* varpool.c (varpool_assemble_pending_decls): Set
|
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varpool_last_needed_node to null.
|
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|
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2007-02-23 DJ Delorie <dj@redhat.com>
|
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|
|
@ -19456,8 +19478,8 @@
|
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* config/spu/spu-protos.h (spu_init_expanders): Declare.
|
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* config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
|
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HARD_FRAME_POINTER_REGNUM.
|
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(spu_legitimate_address): Use regno_aligned_for_reload.
|
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(regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
|
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(spu_legitimate_address): Use regno_aligned_for_reload.
|
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(regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
|
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aligned when frame_pointer_needed is true.
|
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(spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
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to 8 bits.
|
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|
|
@ -19473,7 +19495,7 @@
|
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rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
|
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rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
|
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spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
|
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(lshr<mode>3_reg): Fix rtl description.
|
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(lshr<mode>3_reg): Fix rtl description.
|
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|
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Make sure mulhisi immediate operands are valid.
|
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* config/spu/predicates.md (imm_K_operand): Add.
|
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|
|
@ -19488,7 +19510,7 @@
|
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* config/spu/spu.c (print_operand): Handle HIGH correctly.
|
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(spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
|
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(immediate_load_p): Allow symbols that use 2 instructions to create.
|
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(classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
|
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(classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
|
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with symbols when flag_pic is set.
|
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(const_vector_immediate_p): New.
|
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(logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
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|
|
@ -19531,14 +19553,14 @@
|
|||
* config/spu/spu_internals.h: Ditto.
|
||||
|
||||
Fix incorrect operand modifiers.
|
||||
* config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
|
||||
* config/spu/spu.md (xor<mode>3): Change %S to %J.
|
||||
* config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
|
||||
* config/spu/spu.md (xor<mode>3): Change %S to %J.
|
||||
|
||||
Optimize one case of zero_extend of a vec_select.
|
||||
* config/spu/spu.md (_vec_extractv8hi_ze): Add.
|
||||
* config/spu/spu.md (_vec_extractv8hi_ze): Add.
|
||||
|
||||
Accept any immediate for hbr.
|
||||
* config/spu/spu.md (hbr): Change s constraints to i.
|
||||
* config/spu/spu.md (hbr): Change s constraints to i.
|
||||
|
||||
2007-02-21 Paul Brook <paul@codesourcery.com>
|
||||
|
||||
|
|
@ -19843,7 +19865,7 @@
|
|||
2007-02-18 Roger Sayle <roger@eyesopen.com>
|
||||
|
||||
PR rtl-optimization/28173
|
||||
* simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
|
||||
* simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
|
||||
(X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
|
||||
Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
|
||||
Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
|
||||
|
|
@ -20275,7 +20297,7 @@
|
|||
of an arglist. Change return type to bool. Use new CALL_EXPR
|
||||
accessors.
|
||||
|
||||
(fold_builtin_strstr): Pass call arguments individually instead
|
||||
(fold_builtin_strstr): Pass call arguments individually instead
|
||||
of as an arglist, fixing callers appropriately. Use new CALL_EXPR
|
||||
accessors and constructors. Return NULL_TREE instead of 0.
|
||||
(fold_builtin_strchr): Likewise.
|
||||
|
|
@ -20320,7 +20342,7 @@
|
|||
(fold_ternary): Remove CALL_EXPR case, since they are no longer
|
||||
ternary expressions.
|
||||
(fold): Add logic for tcc_vl_exp.
|
||||
(fold_checksum_tree): Make it know about tcc_vl_exp. Use
|
||||
(fold_checksum_tree): Make it know about tcc_vl_exp. Use
|
||||
TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
|
||||
(fold_build3_stat): Add assertion to flag broken interface for
|
||||
constructing CALL_EXPRs.
|
||||
|
|
@ -20350,7 +20372,7 @@
|
|||
* tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
|
||||
(vrp_visit_stmt): Likewise.
|
||||
|
||||
* tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
|
||||
* tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
|
||||
know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
|
||||
TREE_CODE_LENGTH.
|
||||
(force_move_till_expr): Likewise.
|
||||
|
|
@ -20544,7 +20566,7 @@
|
|||
(estimate_num_insns_1): Use new CALL_EXPR accessors.
|
||||
(expand_call_inline): Tidy up call to initialize_inlined_parameters.
|
||||
|
||||
* tree-vect-transform.c (vect_create_epilog_for_reduction): Use
|
||||
* tree-vect-transform.c (vect_create_epilog_for_reduction): Use
|
||||
TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
|
||||
(vectorizable_reduction): Likewise.
|
||||
(vectorizable_call): Use new CALL_EXPR iterators.
|
||||
|
|
@ -20647,7 +20669,7 @@
|
|||
(arm_expand_unop_builtin): Likewise.
|
||||
(arm_expand_builtin): Use new CALL_EXPR accessors.
|
||||
|
||||
* config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
|
||||
* config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
|
||||
accessors.
|
||||
|
||||
* config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
|
||||
|
|
@ -22819,7 +22841,7 @@
|
|||
* tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
|
||||
test whether one constant integer is a multiple of another. Instead
|
||||
call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
|
||||
* fold-const.c (multiple_of_p): We've determined both TOP and
|
||||
* fold-const.c (multiple_of_p): We've determined both TOP and
|
||||
BOTTOM are integer constants so we can call int_const_binop directly
|
||||
instead of the more generic const_binop.
|
||||
|
||||
|
|
@ -22962,7 +22984,7 @@
|
|||
|
||||
PR other/30182
|
||||
* config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
|
||||
* config/ia64/ia64.c (ia64_init_builtins): Ditto.
|
||||
* config/ia64/ia64.c (ia64_init_builtins): Ditto.
|
||||
|
||||
2007-01-25 Richard Guenther <rguenther@suse.de>
|
||||
|
||||
|
|
@ -23505,7 +23527,7 @@
|
|||
* longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
|
||||
ColdFire alternatives.
|
||||
* config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
|
||||
* config/m68k/m68k.md (clzsi2): Define for ColdFire
|
||||
* config/m68k/m68k.md (clzsi2): Define for ColdFire
|
||||
architectures that support ff1 instruction.
|
||||
|
||||
2007-01-19 Richard Sandiford <richard@codesourcery.com>
|
||||
|
|
@ -25667,7 +25689,7 @@
|
|||
|
||||
2007-01-02 Steve Ellcey <sje@cup.hp.com>
|
||||
|
||||
* sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
|
||||
* sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
|
||||
HOST_BITS_PER_LONGLONG
|
||||
|
||||
2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
|
||||
|
|
|
|||
|
|
@ -6270,6 +6270,12 @@ expand_builtin (tree exp, rtx target, rtx subtarget, enum machine_mode mode,
|
|||
case BUILT_IN_ARGS_INFO:
|
||||
return expand_builtin_args_info (exp);
|
||||
|
||||
case BUILT_IN_VA_ARG_PACK:
|
||||
/* All valid uses of __builtin_va_arg_pack () are removed during
|
||||
inlining. */
|
||||
error ("invalid use of %<__builtin_va_arg_pack ()%>");
|
||||
return const0_rtx;
|
||||
|
||||
/* Return the address of the first anonymous stack arg. */
|
||||
case BUILT_IN_NEXT_ARG:
|
||||
if (fold_builtin_next_arg (exp, false))
|
||||
|
|
@ -10472,14 +10478,32 @@ fold_call_expr (tree exp, bool ignore)
|
|||
tree fndecl = get_callee_fndecl (exp);
|
||||
if (fndecl
|
||||
&& TREE_CODE (fndecl) == FUNCTION_DECL
|
||||
&& DECL_BUILT_IN (fndecl))
|
||||
&& DECL_BUILT_IN (fndecl)
|
||||
/* If CALL_EXPR_VA_ARG_PACK is set, the arguments aren't finalized
|
||||
yet. Defer folding until we see all the arguments
|
||||
(after inlining). */
|
||||
&& !CALL_EXPR_VA_ARG_PACK (exp))
|
||||
{
|
||||
int nargs = call_expr_nargs (exp);
|
||||
|
||||
/* Before gimplification CALL_EXPR_VA_ARG_PACK is not set, but
|
||||
instead last argument is __builtin_va_arg_pack (). Defer folding
|
||||
even in that case, until arguments are finalized. */
|
||||
if (nargs && TREE_CODE (CALL_EXPR_ARG (exp, nargs - 1)) == CALL_EXPR)
|
||||
{
|
||||
tree fndecl2 = get_callee_fndecl (CALL_EXPR_ARG (exp, nargs - 1));
|
||||
if (fndecl2
|
||||
&& TREE_CODE (fndecl2) == FUNCTION_DECL
|
||||
&& DECL_BUILT_IN_CLASS (fndecl2) == BUILT_IN_NORMAL
|
||||
&& DECL_FUNCTION_CODE (fndecl2) == BUILT_IN_VA_ARG_PACK)
|
||||
return NULL_TREE;
|
||||
}
|
||||
|
||||
/* FIXME: Don't use a list in this interface. */
|
||||
if (DECL_BUILT_IN_CLASS (fndecl) == BUILT_IN_MD)
|
||||
return targetm.fold_builtin (fndecl, CALL_EXPR_ARGS (exp), ignore);
|
||||
else
|
||||
{
|
||||
int nargs = call_expr_nargs (exp);
|
||||
if (nargs <= MAX_ARGS_TO_FOLD_BUILTIN)
|
||||
{
|
||||
tree *args = CALL_EXPR_ARGP (exp);
|
||||
|
|
@ -10565,6 +10589,17 @@ fold_builtin_call_array (tree type,
|
|||
if (TREE_CODE (fndecl) == FUNCTION_DECL
|
||||
&& DECL_BUILT_IN (fndecl))
|
||||
{
|
||||
/* If last argument is __builtin_va_arg_pack (), arguments to this
|
||||
function are not finalized yet. Defer folding until they are. */
|
||||
if (n && TREE_CODE (argarray[n - 1]) == CALL_EXPR)
|
||||
{
|
||||
tree fndecl2 = get_callee_fndecl (argarray[n - 1]);
|
||||
if (fndecl2
|
||||
&& TREE_CODE (fndecl2) == FUNCTION_DECL
|
||||
&& DECL_BUILT_IN_CLASS (fndecl2) == BUILT_IN_NORMAL
|
||||
&& DECL_FUNCTION_CODE (fndecl2) == BUILT_IN_VA_ARG_PACK)
|
||||
return build_call_array (type, fn, n, argarray);
|
||||
}
|
||||
if (DECL_BUILT_IN_CLASS (fndecl) == BUILT_IN_MD)
|
||||
{
|
||||
tree arglist = NULL_TREE;
|
||||
|
|
|
|||
|
|
@ -701,6 +701,7 @@ DEF_GCC_BUILTIN (BUILT_IN_UPDATE_SETJMP_BUF, "update_setjmp_buf", BT_FN_V
|
|||
DEF_GCC_BUILTIN (BUILT_IN_VA_COPY, "va_copy", BT_FN_VOID_VALIST_REF_VALIST_ARG, ATTR_NULL)
|
||||
DEF_GCC_BUILTIN (BUILT_IN_VA_END, "va_end", BT_FN_VOID_VALIST_REF, ATTR_NULL)
|
||||
DEF_GCC_BUILTIN (BUILT_IN_VA_START, "va_start", BT_FN_VOID_VALIST_REF_VAR, ATTR_NULL)
|
||||
DEF_GCC_BUILTIN (BUILT_IN_VA_ARG_PACK, "va_arg_pack", BT_FN_INT, ATTR_PURE_NOTHROW_LIST)
|
||||
DEF_EXT_LIB_BUILTIN (BUILT_IN__EXIT, "_exit", BT_FN_VOID_INT, ATTR_NORETURN_NOTHROW_LIST)
|
||||
DEF_C99_BUILTIN (BUILT_IN__EXIT2, "_Exit", BT_FN_VOID_INT, ATTR_NORETURN_NOTHROW_LIST)
|
||||
|
||||
|
|
|
|||
|
|
@ -556,6 +556,32 @@ the containing function. You should specify, for @var{result}, a value
|
|||
returned by @code{__builtin_apply}.
|
||||
@end deftypefn
|
||||
|
||||
@deftypefn {Built-in Function} __builtin_va_arg_pack ()
|
||||
This built-in function represents all anonymous arguments of an inline
|
||||
function. It can be used only in inline functions which will be always
|
||||
inlined, never compiled as a separate function, such as those using
|
||||
@code{__attribute__ ((__always_inline__))} or
|
||||
@code{__attribute__ ((__gnu_inline__))} extern inline functions.
|
||||
It must be only passed as last argument to some other function
|
||||
with variable arguments. This is useful for writing small wrapper
|
||||
inlines for variable argument functions, when using preprocessor
|
||||
macros is undesirable. For example:
|
||||
@smallexample
|
||||
extern int myprintf (FILE *f, const char *format, ...);
|
||||
extern inline __attribute__ ((__gnu_inline__)) int
|
||||
myprintf (FILE *f, const char *format, ...)
|
||||
@{
|
||||
int r = fprintf (f, "myprintf: ");
|
||||
if (r < 0)
|
||||
return r;
|
||||
int s = fprintf (f, format, __builtin_va_arg_pack ());
|
||||
if (s < 0)
|
||||
return s;
|
||||
return r + s;
|
||||
@}
|
||||
@end smallexample
|
||||
@end deftypefn
|
||||
|
||||
@node Typeof
|
||||
@section Referring to a Type with @code{typeof}
|
||||
@findex typeof
|
||||
|
|
|
|||
|
|
@ -7935,6 +7935,10 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
|
|||
return expand_expr (OBJ_TYPE_REF_EXPR (exp), target, tmode, modifier);
|
||||
|
||||
case CALL_EXPR:
|
||||
/* All valid uses of __builtin_va_arg_pack () are removed during
|
||||
inlining. */
|
||||
if (CALL_EXPR_VA_ARG_PACK (exp))
|
||||
error ("invalid use of %<__builtin_va_arg_pack ()%>");
|
||||
/* Check for a built-in function. */
|
||||
if (TREE_CODE (CALL_EXPR_FN (exp)) == ADDR_EXPR
|
||||
&& (TREE_CODE (TREE_OPERAND (CALL_EXPR_FN (exp), 0))
|
||||
|
|
|
|||
|
|
@ -2170,8 +2170,50 @@ gimplify_call_expr (tree *expr_p, tree *pre_p, bool want_value)
|
|||
}
|
||||
}
|
||||
}
|
||||
else if (nargs != 0)
|
||||
CALL_CANNOT_INLINE_P (*expr_p) = 1;
|
||||
else
|
||||
{
|
||||
if (nargs != 0)
|
||||
CALL_CANNOT_INLINE_P (*expr_p) = 1;
|
||||
i = 0;
|
||||
p = NULL_TREE;
|
||||
}
|
||||
|
||||
/* If the last argument is __builtin_va_arg_pack () and it is not
|
||||
passed as a named argument, decrease the number of CALL_EXPR
|
||||
arguments and set instead the CALL_EXPR_VA_ARG_PACK flag. */
|
||||
if (!p
|
||||
&& i < nargs
|
||||
&& TREE_CODE (CALL_EXPR_ARG (*expr_p, nargs - 1)) == CALL_EXPR)
|
||||
{
|
||||
tree last_arg = CALL_EXPR_ARG (*expr_p, nargs - 1);
|
||||
tree last_arg_fndecl = get_callee_fndecl (last_arg);
|
||||
|
||||
if (last_arg_fndecl
|
||||
&& TREE_CODE (last_arg_fndecl) == FUNCTION_DECL
|
||||
&& DECL_BUILT_IN_CLASS (last_arg_fndecl) == BUILT_IN_NORMAL
|
||||
&& DECL_FUNCTION_CODE (last_arg_fndecl) == BUILT_IN_VA_ARG_PACK)
|
||||
{
|
||||
tree call = *expr_p;
|
||||
|
||||
--nargs;
|
||||
*expr_p = build_call_array (TREE_TYPE (call), CALL_EXPR_FN (call),
|
||||
nargs, CALL_EXPR_ARGP (call));
|
||||
/* Copy all CALL_EXPR flags, locus and block, except
|
||||
CALL_EXPR_VA_ARG_PACK flag. */
|
||||
CALL_EXPR_STATIC_CHAIN (*expr_p) = CALL_EXPR_STATIC_CHAIN (call);
|
||||
CALL_EXPR_TAILCALL (*expr_p) = CALL_EXPR_TAILCALL (call);
|
||||
CALL_EXPR_RETURN_SLOT_OPT (*expr_p)
|
||||
= CALL_EXPR_RETURN_SLOT_OPT (call);
|
||||
CALL_FROM_THUNK_P (*expr_p) = CALL_FROM_THUNK_P (call);
|
||||
CALL_CANNOT_INLINE_P (*expr_p)
|
||||
= CALL_CANNOT_INLINE_P (call);
|
||||
TREE_NOTHROW (*expr_p) = TREE_NOTHROW (call);
|
||||
SET_EXPR_LOCUS (*expr_p, EXPR_LOCUS (call));
|
||||
TREE_BLOCK (*expr_p) = TREE_BLOCK (call);
|
||||
/* Set CALL_EXPR_VA_ARG_PACK. */
|
||||
CALL_EXPR_VA_ARG_PACK (*expr_p) = 1;
|
||||
}
|
||||
}
|
||||
|
||||
/* Finally, gimplify the function arguments. */
|
||||
for (i = (PUSH_ARGS_REVERSED ? nargs - 1 : 0);
|
||||
|
|
|
|||
|
|
@ -1,3 +1,8 @@
|
|||
2007-09-05 Jakub Jelinek <jakub@redhat.com>
|
||||
|
||||
* gcc.c-torture/execute/va-arg-pack-1.c: New test.
|
||||
* gcc.dg/va-arg-pack-1.c: New test.
|
||||
|
||||
2007-09-05 Adam Nemet <anemet@caviumnetworks.com>
|
||||
|
||||
* gcc.dg/tree-ssa/builtin-expect-1.c: New test.
|
||||
|
|
|
|||
|
|
@ -0,0 +1,143 @@
|
|||
/* __builtin_va_arg_pack () builtin tests. */
|
||||
|
||||
#include <stdarg.h>
|
||||
|
||||
extern void abort (void);
|
||||
|
||||
int v1 = 8;
|
||||
long int v2 = 3;
|
||||
void *v3 = (void *) &v2;
|
||||
struct A { char c[16]; } v4 = { "foo" };
|
||||
long double v5 = 40;
|
||||
char seen[20];
|
||||
int cnt;
|
||||
|
||||
__attribute__ ((noinline)) int
|
||||
foo1 (int x, int y, ...)
|
||||
{
|
||||
int i;
|
||||
long int l;
|
||||
void *v;
|
||||
struct A a;
|
||||
long double ld;
|
||||
va_list ap;
|
||||
|
||||
va_start (ap, y);
|
||||
if (x < 0 || x >= 20 || seen[x])
|
||||
abort ();
|
||||
seen[x] = ++cnt;
|
||||
if (y != 6)
|
||||
abort ();
|
||||
i = va_arg (ap, int);
|
||||
if (i != 5)
|
||||
abort ();
|
||||
switch (x)
|
||||
{
|
||||
case 0:
|
||||
i = va_arg (ap, int);
|
||||
if (i != 9 || v1 != 9)
|
||||
abort ();
|
||||
a = va_arg (ap, struct A);
|
||||
if (__builtin_memcmp (a.c, v4.c, sizeof (a.c)) != 0)
|
||||
abort ();
|
||||
v = (void *) va_arg (ap, struct A *);
|
||||
if (v != (void *) &v4)
|
||||
abort ();
|
||||
l = va_arg (ap, long int);
|
||||
if (l != 3 || v2 != 4)
|
||||
abort ();
|
||||
break;
|
||||
case 1:
|
||||
ld = va_arg (ap, long double);
|
||||
if (ld != 41 || v5 != ld)
|
||||
abort ();
|
||||
i = va_arg (ap, int);
|
||||
if (i != 8)
|
||||
abort ();
|
||||
v = va_arg (ap, void *);
|
||||
if (v != &v2)
|
||||
abort ();
|
||||
break;
|
||||
case 2:
|
||||
break;
|
||||
default:
|
||||
abort ();
|
||||
}
|
||||
va_end (ap);
|
||||
return x;
|
||||
}
|
||||
|
||||
__attribute__ ((noinline)) int
|
||||
foo2 (int x, int y, ...)
|
||||
{
|
||||
long long int ll;
|
||||
void *v;
|
||||
struct A a, b;
|
||||
long double ld;
|
||||
va_list ap;
|
||||
|
||||
va_start (ap, y);
|
||||
if (x < 0 || x >= 20 || seen[x])
|
||||
abort ();
|
||||
seen[x] = ++cnt | 64;
|
||||
if (y != 10)
|
||||
abort ();
|
||||
switch (x)
|
||||
{
|
||||
case 11:
|
||||
break;
|
||||
case 12:
|
||||
ld = va_arg (ap, long double);
|
||||
if (ld != 41 || v5 != 40)
|
||||
abort ();
|
||||
a = va_arg (ap, struct A);
|
||||
if (__builtin_memcmp (a.c, v4.c, sizeof (a.c)) != 0)
|
||||
abort ();
|
||||
b = va_arg (ap, struct A);
|
||||
if (__builtin_memcmp (b.c, v4.c, sizeof (b.c)) != 0)
|
||||
abort ();
|
||||
v = va_arg (ap, void *);
|
||||
if (v != &v2)
|
||||
abort ();
|
||||
ll = va_arg (ap, long long int);
|
||||
if (ll != 16LL)
|
||||
abort ();
|
||||
break;
|
||||
case 2:
|
||||
break;
|
||||
default:
|
||||
abort ();
|
||||
}
|
||||
va_end (ap);
|
||||
return x + 8;
|
||||
}
|
||||
|
||||
__attribute__ ((noinline)) int
|
||||
foo3 (void)
|
||||
{
|
||||
return 6;
|
||||
}
|
||||
|
||||
extern inline __attribute__ ((always_inline, gnu_inline)) int
|
||||
bar (int x, ...)
|
||||
{
|
||||
if (x < 10)
|
||||
return foo1 (x, foo3 (), 5, __builtin_va_arg_pack ());
|
||||
return foo2 (x, foo3 () + 4, __builtin_va_arg_pack ());
|
||||
}
|
||||
|
||||
int
|
||||
main (void)
|
||||
{
|
||||
if (bar (0, ++v1, v4, &v4, v2++) != 0)
|
||||
abort ();
|
||||
if (bar (1, ++v5, 8, v3) != 1)
|
||||
abort ();
|
||||
if (bar (2) != 2)
|
||||
abort ();
|
||||
if (bar (v1 + 2) != 19)
|
||||
abort ();
|
||||
if (bar (v1 + 3, v5--, v4, v4, v3, 16LL) != 20)
|
||||
abort ();
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
/* { dg-do compile } */
|
||||
/* { dg-options "-O2" } */
|
||||
|
||||
int bar (int, const char *, int, ...);
|
||||
int baz (int, const char *, long int);
|
||||
|
||||
int
|
||||
f1 (int x, ...)
|
||||
{
|
||||
return bar (5, "", 6, __builtin_va_arg_pack ()); /* { dg-error "invalid use of" } */
|
||||
}
|
||||
|
||||
extern inline __attribute__((always_inline)) int
|
||||
f2 (int y, ...)
|
||||
{
|
||||
return bar (y, "", __builtin_va_arg_pack ()); /* { dg-error "invalid use of" } */
|
||||
}
|
||||
|
||||
extern inline __attribute__((always_inline)) int
|
||||
f3 (int y, ...)
|
||||
{
|
||||
return bar (y, "", 5, __builtin_va_arg_pack ());
|
||||
}
|
||||
|
||||
extern inline __attribute__((always_inline)) int
|
||||
f4 (int y, ...)
|
||||
{
|
||||
return bar (y, "", 4, __builtin_va_arg_pack (), 6); /* { dg-error "invalid use of" } */
|
||||
}
|
||||
|
||||
extern inline __attribute__((always_inline)) int
|
||||
f5 (int y, ...)
|
||||
{
|
||||
return baz (y, "", __builtin_va_arg_pack ()); /* { dg-error "invalid use of" } */
|
||||
}
|
||||
|
||||
extern inline __attribute__((always_inline)) int
|
||||
f6 (int y, ...)
|
||||
{
|
||||
return __builtin_va_arg_pack (); /* { dg-error "invalid use of" } */
|
||||
}
|
||||
|
||||
int
|
||||
test (void)
|
||||
{
|
||||
int a = f2 (5, "a", 6);
|
||||
a += f3 (6, "ab", 17LL);
|
||||
a += f4 (7, 1, 2, 3);
|
||||
a += f5 (8, 7L);
|
||||
a += f6 (9);
|
||||
return a;
|
||||
}
|
||||
|
|
@ -815,9 +815,59 @@ copy_bb (copy_body_data *id, basic_block bb, int frequency_scale, int count_scal
|
|||
into multiple statements, we need to process all of them. */
|
||||
while (!bsi_end_p (copy_bsi))
|
||||
{
|
||||
stmt = bsi_stmt (copy_bsi);
|
||||
tree *stmtp = bsi_stmt_ptr (copy_bsi);
|
||||
tree stmt = *stmtp;
|
||||
call = get_call_expr_in (stmt);
|
||||
|
||||
if (call && CALL_EXPR_VA_ARG_PACK (call) && id->call_expr)
|
||||
{
|
||||
/* __builtin_va_arg_pack () should be replaced by
|
||||
all arguments corresponding to ... in the caller. */
|
||||
tree p, *argarray, new_call, *call_ptr;
|
||||
int nargs = call_expr_nargs (id->call_expr);
|
||||
|
||||
for (p = DECL_ARGUMENTS (id->src_fn); p; p = TREE_CHAIN (p))
|
||||
nargs--;
|
||||
|
||||
argarray = (tree *) alloca ((nargs + call_expr_nargs (call))
|
||||
* sizeof (tree));
|
||||
|
||||
memcpy (argarray, CALL_EXPR_ARGP (call),
|
||||
call_expr_nargs (call) * sizeof (*argarray));
|
||||
memcpy (argarray + call_expr_nargs (call),
|
||||
CALL_EXPR_ARGP (id->call_expr)
|
||||
+ (call_expr_nargs (id->call_expr) - nargs),
|
||||
nargs * sizeof (*argarray));
|
||||
|
||||
new_call = build_call_array (TREE_TYPE (call),
|
||||
CALL_EXPR_FN (call),
|
||||
nargs + call_expr_nargs (call),
|
||||
argarray);
|
||||
/* Copy all CALL_EXPR flags, locus and block, except
|
||||
CALL_EXPR_VA_ARG_PACK flag. */
|
||||
CALL_EXPR_STATIC_CHAIN (new_call)
|
||||
= CALL_EXPR_STATIC_CHAIN (call);
|
||||
CALL_EXPR_TAILCALL (new_call) = CALL_EXPR_TAILCALL (call);
|
||||
CALL_EXPR_RETURN_SLOT_OPT (new_call)
|
||||
= CALL_EXPR_RETURN_SLOT_OPT (call);
|
||||
CALL_FROM_THUNK_P (new_call) = CALL_FROM_THUNK_P (call);
|
||||
CALL_CANNOT_INLINE_P (new_call)
|
||||
= CALL_CANNOT_INLINE_P (call);
|
||||
TREE_NOTHROW (new_call) = TREE_NOTHROW (call);
|
||||
SET_EXPR_LOCUS (new_call, EXPR_LOCUS (call));
|
||||
TREE_BLOCK (new_call) = TREE_BLOCK (call);
|
||||
|
||||
call_ptr = stmtp;
|
||||
if (TREE_CODE (*call_ptr) == GIMPLE_MODIFY_STMT)
|
||||
call_ptr = &GIMPLE_STMT_OPERAND (*call_ptr, 1);
|
||||
if (TREE_CODE (*call_ptr) == WITH_SIZE_EXPR)
|
||||
call_ptr = &TREE_OPERAND (*call_ptr, 0);
|
||||
gcc_assert (*call_ptr == call);
|
||||
*call_ptr = new_call;
|
||||
stmt = *stmtp;
|
||||
update_stmt (stmt);
|
||||
}
|
||||
|
||||
/* Statements produced by inlining can be unfolded, especially
|
||||
when we constant propagated some operands. We can't fold
|
||||
them right now for two reasons:
|
||||
|
|
@ -2518,6 +2568,7 @@ expand_call_inline (basic_block bb, tree stmt, tree *tp, void *data)
|
|||
id->src_fn = fn;
|
||||
id->src_node = cg_edge->callee;
|
||||
id->src_cfun = DECL_STRUCT_FUNCTION (fn);
|
||||
id->call_expr = t;
|
||||
|
||||
initialize_inlined_parameters (id, t, fn, bb);
|
||||
|
||||
|
|
|
|||
|
|
@ -56,6 +56,10 @@ typedef struct copy_body_data
|
|||
/* Current BLOCK. */
|
||||
tree block;
|
||||
|
||||
/* CALL_EXPR if va arg parameter packs should be expanded or NULL
|
||||
is not. */
|
||||
tree call_expr;
|
||||
|
||||
/* Exception region the inlined call lie in. */
|
||||
int eh_region;
|
||||
/* Take region number in the function being copied, add this value and
|
||||
|
|
|
|||
|
|
@ -1228,6 +1228,15 @@ dump_generic_node (pretty_printer *buffer, tree node, int spc, int flags,
|
|||
}
|
||||
}
|
||||
}
|
||||
if (CALL_EXPR_VA_ARG_PACK (node))
|
||||
{
|
||||
if (call_expr_nargs (node) > 0)
|
||||
{
|
||||
pp_character (buffer, ',');
|
||||
pp_space (buffer);
|
||||
}
|
||||
pp_string (buffer, "__builtin_va_arg_pack ()");
|
||||
}
|
||||
pp_character (buffer, ')');
|
||||
|
||||
op1 = CALL_EXPR_STATIC_CHAIN (node);
|
||||
|
|
|
|||
|
|
@ -464,6 +464,8 @@ struct gimple_stmt GTY(())
|
|||
VAR_DECL or FUNCTION_DECL or IDENTIFIER_NODE
|
||||
ASM_VOLATILE_P in
|
||||
ASM_EXPR
|
||||
CALL_EXPR_VA_ARG_PACK in
|
||||
CALL_EXPR
|
||||
TYPE_CACHED_VALUES_P in
|
||||
..._TYPE
|
||||
SAVE_EXPR_RESOLVED_P in
|
||||
|
|
@ -1222,6 +1224,11 @@ extern void omp_clause_range_check_failed (const_tree, const char *, int,
|
|||
#define SAVE_EXPR_RESOLVED_P(NODE) \
|
||||
(TREE_CHECK (NODE, SAVE_EXPR)->base.public_flag)
|
||||
|
||||
/* Set on a CALL_EXPR if this stdarg call should be passed the argument
|
||||
pack. */
|
||||
#define CALL_EXPR_VA_ARG_PACK(NODE) \
|
||||
(CALL_EXPR_CHECK(NODE)->base.public_flag)
|
||||
|
||||
/* In any expression, decl, or constant, nonzero means it has side effects or
|
||||
reevaluation of the whole expression could produce a different value.
|
||||
This is set if any subexpression is a function call, a side effect or a
|
||||
|
|
|
|||
Loading…
Reference in New Issue