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| author | Vladimir Makarov <vmakarov@redhat.com> | 2003-07-31 07:56:36 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 2003-07-31 07:56:36 +0000 |
| commit | caf819ae17ec6db89dc59af158478016f7f2d6a6 (patch) | |
| tree | 922c4bdf450ef72ce6f619bf03f537cf8d4766f4 /gcc | |
| parent | 0fd4ac72a2468d1cdaa524b2d4d9a7b2394dd3c2 (diff) | |
| download | gcc-caf819ae17ec6db89dc59af158478016f7f2d6a6.zip gcc-caf819ae17ec6db89dc59af158478016f7f2d6a6.tar.gz gcc-caf819ae17ec6db89dc59af158478016f7f2d6a6.tar.bz2 | |
Prevent interblock move of CC0 setter.
From-SVN: r69992
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/sched-deps.c | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7729d5d..2c82f05 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-07-31 Vladimir Makarov <vmakarov@redhat.com> + + * sched-deps.c (sched_analyze_2): Prevent interblock move of CC0 + setter. + 2003-07-30 Roger Sayle <roger@eyesopen.com> * builtins.def: Alphabetize. diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index 1a41e99..477203c 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -625,6 +625,9 @@ sched_analyze_2 (struct deps *deps, rtx x, rtx insn) case CC0: /* User of CC0 depends on immediately preceding insn. */ set_sched_group_p (insn); + /* Don't move CC0 setter to another block (it can set up the + same flag for previous CC0 users which is safe). */ + CANT_MOVE (prev_nonnote_insn (insn)) = 1; return; #endif |