diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/doc/tm.texi | 8 | ||||
| -rw-r--r-- | gcc/system.h | 2 | ||||
| -rw-r--r-- | gcc/toplev.c | 4 |
4 files changed, 7 insertions, 13 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 91088ab94de..cc3def4ec09 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2003-12-15 Kazu Hirata <kazu@cs.umass.edu> + * system.h (DEFAULT_CALLER_SAVES): Poison. + * toplev.c (flag_caller_saves): Always initialize with 0. + * doc/tm.texi (DEFAULT_CALLER_SAVES): Remove. + +2003-12-15 Kazu Hirata <kazu@cs.umass.edu> + * flow.c (EXIT_IGNORE_STACK): Move to ... * defaults.h (EXIT_IGNORE_STACK): ... here. * dojump.c (clear_pending_stack_adjust): Don't use #ifdef diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 1b028f976be..4a71779ea5e 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -4010,14 +4010,6 @@ If you enable it, GCC can save registers around function calls. This makes it possible to use call-clobbered registers to hold variables that must live across calls. -@defmac DEFAULT_CALLER_SAVES -Define this macro if function calls on the target machine do not preserve -any registers; in other words, if @code{CALL_USED_REGISTERS} has 1 -for all registers. When defined, this macro enables @option{-fcaller-saves} -by default for all optimization levels. It has no effect for optimization -levels 2 and higher, where @option{-fcaller-saves} is the default. -@end defmac - @defmac CALLER_SAVE_PROFITABLE (@var{refs}, @var{calls}) A C expression to determine whether it is worthwhile to consider placing a pseudo-register in a call-clobbered hard register and saving and diff --git a/gcc/system.h b/gcc/system.h index a72474b26fb..ed0aaf9ebeb 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -618,7 +618,7 @@ typedef char _Bool; DBX_WORKING_DIRECTORY INSN_CACHE_DEPTH INSN_CACHE_SIZE \ INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT \ EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER \ - LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL + LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES /* Hooks that are no longer used. */ #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \ diff --git a/gcc/toplev.c b/gcc/toplev.c index 47cdc73c792..f70946ce9f7 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -471,11 +471,7 @@ int flag_short_enums; be saved across function calls, if that produces overall better code. Optional now, so people can test it. */ -#ifdef DEFAULT_CALLER_SAVES -int flag_caller_saves = 1; -#else int flag_caller_saves = 0; -#endif /* Nonzero if structures and unions should be returned in memory. |