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authorAndreas Krebbel <Andreas.Krebbel@de.ibm.com>2009-10-16 10:09:28 +0000
committerAndreas Krebbel <krebbel@gcc.gnu.org>2009-10-16 10:09:28 +0000
commit200ab6fd4b218b3e9f5617bcf1d36857b68e0c1e (patch)
treec0a48b12661208c717e95faf6096caea37a936db /gcc/config/s390
parent3808dfec58ef17c44b36dda7c2bb590580f6d8fc (diff)
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s390.c (s390_z10_optimize_cmp): Skip notes when investigating previous or next insns.
2009-10-16 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * config/s390/s390.c (s390_z10_optimize_cmp): Skip notes when investigating previous or next insns. From-SVN: r152896
Diffstat (limited to 'gcc/config/s390')
-rw-r--r--gcc/config/s390/s390.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index 3be52d0..f9f2662 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -9866,7 +9866,7 @@ s390_z10_optimize_cmp (rtx insn)
/* Swap the COMPARE arguments and its mask if there is a
conflicting access in the previous insn. */
- prev_insn = PREV_INSN (insn);
+ prev_insn = prev_nonnote_insn (insn);
if (prev_insn != NULL_RTX && INSN_P (prev_insn)
&& reg_referenced_p (*op1, PATTERN (prev_insn)))
s390_swap_cmp (cond, op0, op1, insn);
@@ -9877,7 +9877,7 @@ s390_z10_optimize_cmp (rtx insn)
the operands, or if swapping them would cause a conflict
with the previous insn, issue a NOP after the COMPARE in
order to separate the two instuctions. */
- next_insn = NEXT_INSN (insn);
+ next_insn = next_nonnote_insn (insn);
if (next_insn != NULL_RTX && INSN_P (next_insn)
&& s390_non_addr_reg_read_p (*op1, next_insn))
{