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| author | Jakub Jelinek <jakub@redhat.com> | 2008-03-08 08:30:55 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2008-03-08 08:30:55 +0100 |
| commit | 2725b75c3397530b2fdb9fc9e8123eb95c5ae748 (patch) | |
| tree | fb62f81583707b3d71b5dba27f94903f0c7e4de1 | |
| parent | 10a97ae6f1f6e29beb258157ebaf04c54172bddb (diff) | |
| download | gcc-2725b75c3397530b2fdb9fc9e8123eb95c5ae748.zip gcc-2725b75c3397530b2fdb9fc9e8123eb95c5ae748.tar.gz gcc-2725b75c3397530b2fdb9fc9e8123eb95c5ae748.tar.bz2 | |
re PR target/35498 (libgomp/testsuite/libgomp.c/atomic-3.c fails on ppc-linux)
PR target/35498
* config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
wdst back after sync_compare_and_swapqhi_internal.
From-SVN: r133024
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 3 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1ffe9d5..39945f5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-03-08 Jakub Jelinek <jakub@redhat.com> + + PR target/35498 + * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift + wdst back after sync_compare_and_swapqhi_internal. + 2008-03-08 Uros Bizjak <ubizjak@gmail.com> PR target/22152 diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index a979799..5204a55 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -13903,6 +13903,9 @@ rs6000_expand_compare_and_swapqhi (rtx dst, rtx mem, rtx oldval, rtx newval) emit_insn (gen_sync_compare_and_swapqhi_internal (wdst, mask, oldval, newval, mem)); + /* Shift the result back. */ + emit_insn (gen_lshrsi3 (wdst, wdst, shift)); + emit_move_insn (dst, gen_lowpart (mode, wdst)); } |