diff options
| author | Jeff Law <law@gcc.gnu.org> | 1998-08-22 17:21:23 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-08-22 17:21:23 -0600 |
| commit | edfac33e828bec837550da110999793dd436a551 (patch) | |
| tree | 70f312d3059257dfbf517487941c65b16c1624aa /gcc | |
| parent | 4cd864b2eb0b39981189653ebffcf3022531cdb8 (diff) | |
| download | gcc-edfac33e828bec837550da110999793dd436a551.zip gcc-edfac33e828bec837550da110999793dd436a551.tar.gz gcc-edfac33e828bec837550da110999793dd436a551.tar.bz2 | |
recog.c (validate_replace_rtx_group): New function.
�
* recog.c (validate_replace_rtx_group): New function.
* recog.h (validate_replace_rtx_group): Declare it.
* regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
the entire group of substitutions.
From-SVN: r21909
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/recog.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/recog.c b/gcc/recog.c index dd73a46..d472df0 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -550,6 +550,16 @@ validate_replace_rtx (from, to, insn) return apply_change_group (); } +/* Try replacing every occurrence of FROM in INSN with TO. After all + changes have been made, validate by seeing if INSN is still valid. */ + +void +validate_replace_rtx_group (from, to, insn) + rtx from, to, insn; +{ + validate_replace_rtx_1 (&PATTERN (insn), from, to, insn); +} + /* Try replacing every occurrence of FROM in INSN with TO, avoiding SET_DESTs. After all changes have been made, validate by seeing if INSN is still valid. */ |