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| author | Eric Botcazou <ebotcazou@adacore.com> | 2013-03-25 11:25:28 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2013-03-25 11:25:28 +0000 |
| commit | 5789594736ea2fae7b4d45a5486560fd2f8d9aea (patch) | |
| tree | bc2816e197c9accfc84982ebdc9f561349e2ae2a | |
| parent | 1e1b18c1c7963e3f5ea48c7f4bca0e25481cf07c (diff) | |
| download | gcc-5789594736ea2fae7b4d45a5486560fd2f8d9aea.zip gcc-5789594736ea2fae7b4d45a5486560fd2f8d9aea.tar.gz gcc-5789594736ea2fae7b4d45a5486560fd2f8d9aea.tar.bz2 | |
* postreload.c (reload_combine): Fix code detecting returns.
From-SVN: r197037
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/postreload.c | 16 |
2 files changed, 15 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 072efd7..89e0b7a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2013-03-25 Eric Botcazou <ebotcazou@adacore.com> + * postreload.c (reload_combine): Fix code detecting returns. + +2013-03-25 Eric Botcazou <ebotcazou@adacore.com> + * function.c (emit_use_return_register_into_block): On cc0 targets, do not emit the sequence between cc0 setter and user. diff --git a/gcc/postreload.c b/gcc/postreload.c index daabaa1..33462e4 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, |