diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-27 09:39:00 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-27 09:39:00 +0000 |
| commit | 76dada20963c9ff4402936019f1c257d63061d11 (patch) | |
| tree | 3c855f7b17093b28bc0452f6bb3ffd09773bdd73 /gcc/combine.c | |
| parent | 35147e2aa69d674aed8256709dc7475772645df1 (diff) | |
| download | ppe42-gcc-76dada20963c9ff4402936019f1c257d63061d11.tar.gz ppe42-gcc-76dada20963c9ff4402936019f1c257d63061d11.zip | |
PR rtl-optimization/17825
* combine.c (subst): Ignore STRICT_LOW_PART no matter if REG_P (new)
or not.
* gcc.c-torture/compile/20041119-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91369 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index ce198bbc10a..181a33e7590 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3556,10 +3556,10 @@ subst (rtx x, rtx from, rtx to, int in_dest, int unique_copy) /* If this is a register being set, ignore it. */ new = XEXP (x, i); if (in_dest - && (code == SUBREG || code == STRICT_LOW_PART - || code == ZERO_EXTRACT) && i == 0 - && REG_P (new)) + && (((code == SUBREG || code == ZERO_EXTRACT) + && REG_P (new)) + || code == STRICT_LOW_PART)) ; else if (COMBINE_RTX_EQUAL_P (XEXP (x, i), from)) |
