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| author | Kazu Hirata <kazu@cs.umass.edu> | 2003-12-16 00:06:36 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2003-12-16 00:06:36 +0000 |
| commit | 9d05bbceb29f58b912b95cee1e43b0bcd8994e56 (patch) | |
| tree | bb744203a591f3b6d08d264bc0f98c12bab6cdbf /gcc/doc | |
| parent | cbc278f44087d8f2ca5d60f50e0291929a3be7a0 (diff) | |
| download | gcc-9d05bbceb29f58b912b95cee1e43b0bcd8994e56.zip gcc-9d05bbceb29f58b912b95cee1e43b0bcd8994e56.tar.gz gcc-9d05bbceb29f58b912b95cee1e43b0bcd8994e56.tar.bz2 | |
flow.c (EXIT_IGNORE_STACK): Move to ...
* flow.c (EXIT_IGNORE_STACK): Move to ...
* defaults.h (EXIT_IGNORE_STACK): ... here.
* dojump.c (clear_pending_stack_adjust): Don't use #ifdef
EXIT_IGNORE_STACK.
* function.c (expand_function_end): Likewise.
* global.c (global_alloc): Likewise.
* ra.c (init_ra): Likewise.
* reload1.c (init_elim_table): Likewise.
* reorg.c (fill_simple_delay_slots): Likewise.
* resource.c (init_resource_info): Likewise.
* doc/tm.texi (EXIT_IGNORE_STACK): Document that the default
is 0.
From-SVN: r74654
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/tm.texi | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 5075a4c..1b028f9 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -4196,7 +4196,8 @@ function. Define this macro as a C expression that is nonzero if the return instruction or the function epilogue ignores the value of the stack pointer; in other words, if it is safe to delete an instruction to -adjust the stack pointer before a return from the function. +adjust the stack pointer before a return from the function. The +default is 0. Note that this macro's value is relevant only for functions for which frame pointers are maintained. It is never safe to delete a final |