diff options
| author | krebbel <krebbel@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-08-10 17:16:57 +0000 |
|---|---|---|
| committer | krebbel <krebbel@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-08-10 17:16:57 +0000 |
| commit | 4d8ad352b51335a6eeb36452e4a92cb5e11842e7 (patch) | |
| tree | 76efbc1ba058c1f5b70c4eac5eb34f35ad71c7a6 /gcc/lower-subreg.c | |
| parent | 657801e96383b15b1bd3b3d63d3cca82119152ba (diff) | |
| download | gcc-4d8ad352b51335a6eeb36452e4a92cb5e11842e7.tar.gz | |
2007-08-10 Andreas Krebbel <krebbel1@de.ibm.com>
* lower-subreg.c (resolve_shift_zext): Don't adjust
src_reg_num for wordmode operands.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127342 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/lower-subreg.c')
| -rw-r--r-- | gcc/lower-subreg.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/lower-subreg.c b/gcc/lower-subreg.c index c61a8b7759e..4354640a701 100644 --- a/gcc/lower-subreg.c +++ b/gcc/lower-subreg.c @@ -1043,11 +1043,12 @@ resolve_shift_zext (rtx insn) endian machines this is register 0. */ src_reg_num = GET_CODE (op) == LSHIFTRT ? 1 : 0; - if (WORDS_BIG_ENDIAN) + if (WORDS_BIG_ENDIAN + && GET_MODE_SIZE (GET_MODE (op_operand)) > UNITS_PER_WORD) src_reg_num = 1 - src_reg_num; if (GET_CODE (op) == ZERO_EXTEND) - dest_reg_num = src_reg_num; + dest_reg_num = WORDS_BIG_ENDIAN ? 1 : 0; else dest_reg_num = 1 - src_reg_num; |