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| author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-17 13:19:46 +0000 |
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| committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-17 13:19:46 +0000 |
| commit | b4f314ea97f04620d290f3ae25d831f46692864f (patch) | |
| tree | e99df6f0f35dce95dacd7a91b0242e81462a0860 /gcc/cse.c | |
| parent | 644412e1c29a2984b1b37656c18fe9f33791eff1 (diff) | |
| parent | 7de380af566c189319d706d3b4ab04e32ecc5d90 (diff) | |
| download | gcc-b4f314ea97f04620d290f3ae25d831f46692864f.tar.gz | |
Merge from trunk.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@209485 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/cse.c b/gcc/cse.c index 73755849975..abe5dfcfbe4 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -4648,6 +4648,13 @@ cse_insn (rtx insn) && REGNO (dest) >= FIRST_PSEUDO_REGISTER) sets[i].src_volatile = 1; + /* Also do not record result of a non-volatile inline asm with + more than one result or with clobbers, we do not want CSE to + break the inline asm apart. */ + else if (GET_CODE (src) == ASM_OPERANDS + && GET_CODE (x) == PARALLEL) + sets[i].src_volatile = 1; + #if 0 /* It is no longer clear why we used to do this, but it doesn't appear to still be needed. So let's try without it since this |