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| author | Jan Hubicka <jh@suse.cz> | 2001-10-20 12:04:00 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2001-10-20 10:04:00 +0000 |
| commit | b932f770f70d60b1d6c89d6ef1fe8dc88bdecda1 (patch) | |
| tree | 8b850e82487dad7507a2357d498b653cbeb1d71e /gcc/doc | |
| parent | 870628131ce6ff529817509e256c7ee035d37bfd (diff) | |
| download | gcc-b932f770f70d60b1d6c89d6ef1fe8dc88bdecda1.zip gcc-b932f770f70d60b1d6c89d6ef1fe8dc88bdecda1.tar.gz gcc-b932f770f70d60b1d6c89d6ef1fe8dc88bdecda1.tar.bz2 | |
basic-block.h (find_sub_basic_blocks): Use sbitmap parameter.
* basic-block.h (find_sub_basic_blocks): Use sbitmap parameter.
* cfgbuild.c (find_bb_boundaries, compute_outgoing_frequencies):
Break out from ...
(find_sub_basic_blocks): ... here;
(find_many_sub_basic_blocks): New.
* recog.c (split_all_insns): Update find_sub_basic_blocks call.
* i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Define sdata4.
* i386.c (ix86_va_arg): Kill indirect_p handling; fix aliasing issues.:
* i386.c (split_di, split_ti): Revamp to use simplify_subreg.
* timevar.def (TV_LIFE, TV_LIFE_UPDATE, TV_MODE_SWITCH): new.
* flow.c (update_life_info): Measure time.
* c-decl.c: Include timevar.h
(c_expand_body): Measure time.
* toplev.c (rest_of_compilation): Measure time of mode switching
separately.
* Makefile.in (c-decl.o, cfgcleanup.o): Add dependancy.
* toplev.c (flag_asynchronous_unwind_tables): New global variable.
(lang_independent_options): Add asynchronous-unwind-tables
(toplev_main): flag_asynchronous_unwind_tables implies
flag_unwind_tables.
* flags.h (flag_asynchronous_unwind_tables): Declare.
* dwarf2out.c (dwarf2out_stack_adjust): Take into account
flag_asynchronous_unwind_tables.
(output_call_frame_info): Likewise.
* invoke.texi (-fasynchronous-unwind-tables): Document.
* i386.c (optimization_options): Enable
flag_asynchronous_unwind_tables.
* i386.c (ix86_expand_setcc): Always expect target to be QImode.
* i386.md (s* expanders): Destination is QImode.
* toplev.c (rest_of_compilation): Do not call clear_log_links.
* rtl.h (clear_log_links): Kill.
* flow.c (clear_log_links): Make static; accept blocks parameter;
do no clear life info.
(update_life_info): Call clear_log_links.
* cfganal.c (forwarder_block_p): Avoid active_insn_p calls.
From-SVN: r46374
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 89ee913..d8887d8 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -602,7 +602,7 @@ in the following sections. @gccoptlist{ -fcall-saved-@var{reg} -fcall-used-@var{reg} @gol -ffixed-@var{reg} -fexceptions @gol --fnon-call-exceptions -funwind-tables @gol +-fnon-call-exceptions -funwind-tables -fasynchronous-unwind-tables @gol -finhibit-size-directive -finstrument-functions @gol -fcheck-memory-usage -fprefix-function-name @gol -fno-common -fno-ident -fno-gnu-linker @gol @@ -9658,6 +9658,12 @@ static data, but will not affect the generated code in any other way. You will normally not enable this option; instead, a language processor that needs this handling would enable it on your behalf. +@item -fasynchronous-unwind-tables +@opindex funwind-tables +Generate unwind table in dwarf2 format, if supported by target machine. The +table is exact at each instruction boundary, so it can be used for stack +unwinding from asynchronous events (such as debugger or garbage collector). + @item -fpcc-struct-return @opindex fpcc-struct-return Return ``short'' @code{struct} and @code{union} values in memory like |