diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/s390/s390.c | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b51f648..dea1011 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +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. + 2009-10-16 Eric Botcazou <ebotcazou@adacore.com> * tree-sra.c (build_ref_for_offset_1): Update comment. 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)) { |