diff options
| author | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-06-11 06:17:50 +0000 |
|---|---|---|
| committer | amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-06-11 06:17:50 +0000 |
| commit | a6b212e10b3b6f8c57ac0b0e2f978b2cd0963e75 (patch) | |
| tree | ff49c6fa813aaeb20958acb9f023d2c6c2bb0958 | |
| parent | 8ef2f3bf734d73773c79cb331ef839a7415a5142 (diff) | |
| download | gcc-a6b212e10b3b6f8c57ac0b0e2f978b2cd0963e75.tar.gz | |
* config/rs6000/rs6000.c (rs6000_adjust_atomic_subword): Calculate
correct shift value in little-endian mode.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@199935 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 903a79c89a9..b3db96e2476 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-06-11 Anton Blanchard <anton@samba.org> + + * config/rs6000/rs6000.c (rs6000_adjust_atomic_subword): Calculate + correct shift value in little-endian mode. + 2013-06-11 Jakub Jelinek <jakub@redhat.com> PR target/56564 diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 3646c6d9579..54dc0cee2cc 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -17881,8 +17881,9 @@ rs6000_adjust_atomic_subword (rtx orig_mem, rtx *pshift, rtx *pmask) shift = gen_reg_rtx (SImode); addr = gen_lowpart (SImode, addr); emit_insn (gen_rlwinm (shift, addr, GEN_INT (3), GEN_INT (shift_mask))); - shift = expand_simple_binop (SImode, XOR, shift, GEN_INT (shift_mask), - shift, 1, OPTAB_LIB_WIDEN); + if (WORDS_BIG_ENDIAN) + shift = expand_simple_binop (SImode, XOR, shift, GEN_INT (shift_mask), + shift, 1, OPTAB_LIB_WIDEN); *pshift = shift; /* Mask for insertion. */ |