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| author | Jiong Wang <jiong.wang@arm.com> | 2014-09-30 08:44:14 +0000 |
|---|---|---|
| committer | Jiong Wang <jiwang@gcc.gnu.org> | 2014-09-30 08:44:14 +0000 |
| commit | 2cfc4ade7a49eca3b1f1a545765c85bb92019869 (patch) | |
| tree | 8e6a385ecfa25e4b0a04dfc14dab10dffd1e287b /gcc | |
| parent | d1bb282efbf9ef9c4217119896d5d594eca627a5 (diff) | |
| download | gcc-2cfc4ade7a49eca3b1f1a545765c85bb92019869.zip gcc-2cfc4ade7a49eca3b1f1a545765c85bb92019869.tar.gz gcc-2cfc4ade7a49eca3b1f1a545765c85bb92019869.tar.bz2 | |
Should not sink instructions which may cause trap
2014-09-30 Jiong Wang <jiong.wang@arm.com>
gcc/
* shrink-wrap.c (move_insn_for_shrink_wrap): Check "can_throw_internal"
before sinking insn.
From-SVN: r215709
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/shrink-wrap.c | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d224b0f..9e78a93 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2014-09-30 Jiong Wang <jiong.wang@arm.com> + + * shrink-wrap.c (move_insn_for_shrink_wrap): Check "can_throw_internal" + before sinking insn. + 2014-09-30 David Sherwood <david.sherwood@arm.com> * ira-int.h (ira_allocno): Add "wmode" field. diff --git a/gcc/shrink-wrap.c b/gcc/shrink-wrap.c index bd4813c..b1ff8a2 100644 --- a/gcc/shrink-wrap.c +++ b/gcc/shrink-wrap.c @@ -189,6 +189,9 @@ move_insn_for_shrink_wrap (basic_block bb, rtx_insn *insn, unsigned int nonconstobj_num = 0; rtx src_inner = NULL_RTX; + if (can_throw_internal (insn)) + return false; + subrtx_var_iterator::array_type array; FOR_EACH_SUBRTX_VAR (iter, array, src, ALL) { |