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| author | jasonwucj <jasonwucj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-08-24 02:52:46 +0000 |
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| committer | jasonwucj <jasonwucj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-08-24 02:52:46 +0000 |
| commit | 9b7a15c91ecc8c83c6c5e291bb64b575624e6c5d (patch) | |
| tree | 876929a915d59c4c5cd72a5c23aa427680d8f595 /gcc/doc/tm.texi | |
| parent | 31424e924b03bad7a69f5f4ce55a16ff0dd9366d (diff) | |
| download | gcc-9b7a15c91ecc8c83c6c5e291bb64b575624e6c5d.tar.gz | |
Remove CALLER_SAVE_PROFITABLE since it is not used at present.
* system.h (CALLER_SAVE_PROFITABLE): Poison.
* regs.h (CALLER_SAVE_PROFITABLE): Remove.
* doc/tm.texi.in (CALLER_SAVE_PROFITABLE): Remove.
* doc/tm.texi: Regenerate.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@214405 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 9dd8d68ddb9..4d6492b0169 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -4528,16 +4528,6 @@ 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 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 -restoring it around each function call. The expression should be 1 when -this is worth doing, and 0 otherwise. - -If you don't define this macro, a default is used which is good on most -machines: @code{4 * @var{calls} < @var{refs}}. -@end defmac - @defmac HARD_REGNO_CALLER_SAVE_MODE (@var{regno}, @var{nregs}) A C expression specifying which mode is required for saving @var{nregs} of a pseudo-register in call-clobbered hard register @var{regno}. If |