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| author | sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-01-23 01:47:15 +0000 |
|---|---|---|
| committer | sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-01-23 01:47:15 +0000 |
| commit | deb45e60c5d20511ce95faabaa561f37de456233 (patch) | |
| tree | 9a9a00d58f04db6271d584b59eabb2dfcba59012 /gcc/simplify-rtx.c | |
| parent | 0d0922ab8ac42bb802ea9fee9bcc200962d99853 (diff) | |
| download | gcc-deb45e60c5d20511ce95faabaa561f37de456233.tar.gz | |
PR optimization/13821
* simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset to
correctly calculate the lowpart offset of the contracted subreg.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@76393 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 5ba6882e680..cebbf04b460 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -3404,8 +3404,9 @@ simplify_subreg (enum machine_mode outermode, rtx op, if (outermode == origmode) return XEXP (op, 0); if (GET_MODE_BITSIZE (outermode) <= GET_MODE_BITSIZE (origmode)) - return simplify_gen_subreg (outermode, XEXP (op, 0), - origmode, byte); + return simplify_gen_subreg (outermode, XEXP (op, 0), origmode, + subreg_lowpart_offset (outermode, + origmode)); if (SCALAR_INT_MODE_P (outermode)) return simplify_gen_unary (GET_CODE (op), outermode, XEXP (op, 0), origmode); |