diff options
| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-03-25 11:25:28 +0000 |
|---|---|---|
| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-03-25 11:25:28 +0000 |
| commit | 7777a93979a807766a53c0a28a0d6db34c5dc0cb (patch) | |
| tree | bc2816e197c9accfc84982ebdc9f561349e2ae2a /gcc/postreload.c | |
| parent | 961299131ad5ad6a9b5fb8fa3b11dd1961cebfdb (diff) | |
| download | gcc-7777a93979a807766a53c0a28a0d6db34c5dc0cb.tar.gz | |
* postreload.c (reload_combine): Fix code detecting returns.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@197037 138bc75d-0d04-0410-961f-82ee72b054a4
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, |