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authorian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>2018-02-23 22:36:54 +0000
committerian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>2018-02-23 22:36:54 +0000
commit88a3ea34080ad3087a8191fbf479543153175d59 (patch)
tree34eaec34d3588e09f9a77abba776266f124dc823 /gcc/lra-lives.c
parent25e15aaed275cdfef34b3ee6eb3cb4b43a48d44f (diff)
parente65055a558093bd4fc0b1b0024b7814cc187b8e8 (diff)
downloadgccgo.tar.gz
Merge from trunk revision 257954.gccgo
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gccgo@257955 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/lra-lives.c')
-rw-r--r--gcc/lra-lives.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/lra-lives.c b/gcc/lra-lives.c
index 2e53f877460..ddc0a9bbcc5 100644
--- a/gcc/lra-lives.c
+++ b/gcc/lra-lives.c
@@ -598,7 +598,9 @@ static inline bool
reg_early_clobber_p (const struct lra_insn_reg *reg, int n_alt)
{
return (reg->early_clobber
- && (n_alt < 0 || TEST_BIT (reg->early_clobber_alts, n_alt)));
+ && (n_alt == LRA_UNKNOWN_ALT
+ || (n_alt != LRA_NON_CLOBBERED_ALT
+ && TEST_BIT (reg->early_clobber_alts, n_alt))));
}
/* Process insns of the basic block BB to update pseudo live ranges,