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authorjsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4>2008-09-29 19:31:27 +0000
committerjsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4>2008-09-29 19:31:27 +0000
commita2d7077285dc5628253bb2095e2056581304cd3c (patch)
tree86a8af3425174dbca3e3da668860226d4c4c670a /gcc/ifcvt.c
parent952f3892254990bdb086e3dc25e9f63ee28848a6 (diff)
downloadgcc-a2d7077285dc5628253bb2095e2056581304cd3c.tar.gz
* ifcvt.c (noce_emit_store_flag): If using condition from original
jump, reverse it if if_info->cond was reversed. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140764 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ifcvt.c')
-rw-r--r--gcc/ifcvt.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c
index 341174ab02f..a0b49a3979c 100644
--- a/gcc/ifcvt.c
+++ b/gcc/ifcvt.c
@@ -666,7 +666,15 @@ noce_emit_store_flag (struct noce_if_info *if_info, rtx x, int reversep,
build the store_flag insn directly. */
if (cond_complex)
- cond = XEXP (SET_SRC (pc_set (if_info->jump)), 0);
+ {
+ rtx set = pc_set (if_info->jump);
+ cond = XEXP (SET_SRC (set), 0);
+ if (GET_CODE (XEXP (SET_SRC (set), 2)) == LABEL_REF
+ && XEXP (XEXP (SET_SRC (set), 2), 0) == JUMP_LABEL (if_info->jump))
+ reversep = !reversep;
+ if (if_info->then_else_reversed)
+ reversep = !reversep;
+ }
if (reversep)
code = reversed_comparison_code (cond, if_info->jump);