diff options
| author | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-12 03:05:20 +0000 |
|---|---|---|
| committer | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-12 03:05:20 +0000 |
| commit | 2027d2d27693ee46db98fb7d407b8856d64fb864 (patch) | |
| tree | 9f2ee440767bb3cd740aecbb2cc28f4fd9dfb61d | |
| parent | 73f5175372153d23afa2b9424ba46e9a13a303fa (diff) | |
| download | ppe42-gcc-2027d2d27693ee46db98fb7d407b8856d64fb864.tar.gz ppe42-gcc-2027d2d27693ee46db98fb7d407b8856d64fb864.zip | |
* lcm.c (optimize_mode_switching): Free ptr even when mode_set
is NULL_RTX.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92044 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/lcm.c | 22 |
2 files changed, 17 insertions, 12 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c2e586500a2..66b47081c14 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,9 @@ -2004-12-11 Roger Sayle <roger@eyesopen.com> +2004-12-12 Kazu Hirata <kazu@cs.umass.edu> + + * lcm.c (optimize_mode_switching): Free ptr even when mode_set + is NULL_RTX. + +2004-12-12 Roger Sayle <roger@eyesopen.com> * reg-stack.c (change_stack): Avoid placing the new top-of-stack in its correct location during popping if we need to permute the stack diff --git a/gcc/lcm.c b/gcc/lcm.c index 2c4f3fad847..25df2e63cb6 100644 --- a/gcc/lcm.c +++ b/gcc/lcm.c @@ -1274,17 +1274,17 @@ optimize_mode_switching (FILE *file) mode_set = get_insns (); end_sequence (); - /* Do not bother to insert empty sequence. */ - if (mode_set == NULL_RTX) - continue; - - emited = true; - if (NOTE_P (ptr->insn_ptr) - && (NOTE_LINE_NUMBER (ptr->insn_ptr) - == NOTE_INSN_BASIC_BLOCK)) - emit_insn_after (mode_set, ptr->insn_ptr); - else - emit_insn_before (mode_set, ptr->insn_ptr); + /* Insert MODE_SET only if it is nonempty. */ + if (mode_set != NULL_RTX) + { + emited = true; + if (NOTE_P (ptr->insn_ptr) + && (NOTE_LINE_NUMBER (ptr->insn_ptr) + == NOTE_INSN_BASIC_BLOCK)) + emit_insn_after (mode_set, ptr->insn_ptr); + else + emit_insn_before (mode_set, ptr->insn_ptr); + } } free (ptr); |
