diff options
Diffstat (limited to 'gcc/postreload.c')
| -rw-r--r-- | gcc/postreload.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/gcc/postreload.c b/gcc/postreload.c index daabaa1b703..33462e4dbad 100644 --- a/gcc/postreload.c +++ b/gcc/postreload.c @@ -1387,7 +1387,7 @@ reload_combine (void) } } - if (control_flow_insn && GET_CODE (PATTERN (insn)) != RETURN) + if (control_flow_insn && !ANY_RETURN_P (PATTERN (insn))) { /* Non-spill registers might be used at the call destination in some unknown fashion, so we have to mark the unknown use. */ @@ -1395,13 +1395,19 @@ reload_combine (void) if ((condjump_p (insn) || condjump_in_parallel_p (insn)) && JUMP_LABEL (insn)) - live = &LABEL_LIVE (JUMP_LABEL (insn)); + { + if (ANY_RETURN_P (JUMP_LABEL (insn))) + live = NULL; + else + live = &LABEL_LIVE (JUMP_LABEL (insn)); + } else live = &ever_live_at_start; - for (r = 0; r < FIRST_PSEUDO_REGISTER; r++) - if (TEST_HARD_REG_BIT (*live, r)) - reg_state[r].use_index = -1; + if (live) + for (r = 0; r < FIRST_PSEUDO_REGISTER; r++) + if (TEST_HARD_REG_BIT (*live, r)) + reg_state[r].use_index = -1; } reload_combine_note_use (&PATTERN (insn), insn, reload_combine_ruid, |