diff options
Diffstat (limited to 'gcc-4.9/gcc/config/aarch64')
| -rw-r--r-- | gcc-4.9/gcc/config/aarch64/aarch64.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/aarch64/aarch64.c b/gcc-4.9/gcc/config/aarch64/aarch64.c index 34986d7c6..2ff6c7cb8 100644 --- a/gcc-4.9/gcc/config/aarch64/aarch64.c +++ b/gcc-4.9/gcc/config/aarch64/aarch64.c @@ -6571,6 +6571,10 @@ aarch64_madd_needs_nop (rtx insn) return false; prev = aarch64_prev_real_insn (insn); + /* aarch64_prev_real_insn can call recog_memoized on insns other than INSN. + Restore recog state to INSN to avoid state corruption. */ + extract_constrain_insn_cached (insn); + if (!prev) return false; |