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| author | Richard Henderson <rth@cygnus.com> | 2000-05-06 17:38:26 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2000-05-06 17:38:26 -0700 |
| commit | f0acaf02b5e7e9d2727c19d89c7ff5d7ec329eb0 (patch) | |
| tree | 65be6dc3e1676c613599592b5009d9ec147127ab | |
| parent | 179977c13abc237a74de8ff8db74ff892186c68e (diff) | |
| download | gcc-f0acaf02b5e7e9d2727c19d89c7ff5d7ec329eb0.zip gcc-f0acaf02b5e7e9d2727c19d89c7ff5d7ec329eb0.tar.gz gcc-f0acaf02b5e7e9d2727c19d89c7ff5d7ec329eb0.tar.bz2 | |
flow.c (mark_set_1): Don't update conditional life info if the register is not_dead.
* flow.c (mark_set_1): Don't update conditional life info
if the register is not_dead.
From-SVN: r33749
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/flow.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cca7d64..1c53bd7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2000-05-06 Richard Henderson <rth@cygnus.com> + + * flow.c (mark_set_1): Don't update conditional life info + if the register is not_dead. + 2000-05-06 Zack Weinberg <zack@wolery.cumb.org> * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h. @@ -4252,7 +4252,7 @@ mark_set_1 (pbi, code, reg, cond, insn, flags) #ifdef HAVE_conditional_execution /* Consider conditional death in deciding that the register needs a death note. */ - if (some_was_live + if (some_was_live && ! not_dead /* The stack pointer is never dead. Well, not strictly true, but it's very difficult to tell from here. Hopefully combine_stack_adjustments will fix up the most egregious |