diff options
| author | sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-04-18 13:30:26 +0000 |
|---|---|---|
| committer | sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-04-18 13:30:26 +0000 |
| commit | cbf0978f8cf62ded8ff74384a864139363360d56 (patch) | |
| tree | 21c51b33678116c47f2fe65f90088c9db4c844ec /gcc/rtlanal.c | |
| parent | 3647950da6a1b3a9e1653a33fd4b289928610be3 (diff) | |
| download | gcc-cbf0978f8cf62ded8ff74384a864139363360d56.tar.gz | |
* rtlanal.c (reg_overlap_mentioned_p): Handle ZERO_EXTRACT
and SIGN_EXTRACT.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65782 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 3b024adc89d..80fff6310bf 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -1573,7 +1573,9 @@ reg_overlap_mentioned_p (x, in) unsigned int regno, endregno; /* Overly conservative. */ - if (GET_CODE (x) == STRICT_LOW_PART) + if (GET_CODE (x) == STRICT_LOW_PART + || GET_CODE (x) == ZERO_EXTRACT + || GET_CODE (x) == SIGN_EXTRACT) x = XEXP (x, 0); /* If either argument is a constant, then modifying X can not affect IN. */ |