diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/gcc/function.c b/gcc/function.c index b9805dc..0ed674d 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -5140,19 +5140,25 @@ record_insns (rtx insns, rtx end, htab_t *hashp) } } -/* INSN has been duplicated as COPY, as part of duping a basic block. - If INSN is an epilogue insn, then record COPY as epilogue as well. */ +/* INSN has been duplicated or replaced by as COPY, perhaps by duplicating a + basic block, splitting or peepholes. If INSN is a prologue or epilogue + insn, then record COPY as well. */ void -maybe_copy_epilogue_insn (rtx insn, rtx copy) +maybe_copy_prologue_epilogue_insn (rtx insn, rtx copy) { + htab_t hash; void **slot; - if (epilogue_insn_hash == NULL - || htab_find (epilogue_insn_hash, insn) == NULL) - return; + hash = epilogue_insn_hash; + if (!hash || !htab_find (hash, insn)) + { + hash = prologue_insn_hash; + if (!hash || !htab_find (hash, insn)) + return; + } - slot = htab_find_slot (epilogue_insn_hash, copy, INSERT); + slot = htab_find_slot (hash, copy, INSERT); gcc_assert (*slot == NULL); *slot = copy; } |