From 2027d2d27693ee46db98fb7d407b8856d64fb864 Mon Sep 17 00:00:00 2001 From: kazu Date: Sun, 12 Dec 2004 03:05:20 +0000 Subject: [PATCH] * 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 --- gcc/ChangeLog | 7 ++++++- gcc/lcm.c | 22 +++++++++++----------- 2 files changed, 17 insertions(+), 12 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c2e5865..66b4708 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,9 @@ -2004-12-11 Roger Sayle +2004-12-12 Kazu Hirata + + * lcm.c (optimize_mode_switching): Free ptr even when mode_set + is NULL_RTX. + +2004-12-12 Roger Sayle * 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 2c4f3fa..25df2e6 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); -- 2.7.4