[PATCH, committed]: Fix middle-end/33157: cmov4.c fails on i686
Uros Bizjak
ubizjak@gmail.com
Fri Aug 24 10:55:00 GMT 2007
Hello!
Late initialization of if_info structure cleared if_info.cond_earliest member.
Patch was bootstrapped and regression tested on i686-pc-linux-gnu and
is committed to SVN as obvious.
2007-08-24 Uros Bizjak <ubizjak@gmail.com>
PR middle-end/33157
* ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest
field when initializing if_info structure.
Uros.
Index: ifcvt.c
===================================================================
--- ifcvt.c (revision 127761)
+++ ifcvt.c (working copy)
@@ -2650,6 +2650,7 @@ noce_find_if_block (basic_block test_bb,
basic_block then_bb, else_bb, join_bb;
bool then_else_reversed = false;
rtx jump, cond;
+ rtx cond_earliest;
struct noce_if_info if_info;
/* We only ever should get here before reload. */
@@ -2725,7 +2726,7 @@ noce_find_if_block (basic_block test_bb,
/* If this is not a standard conditional jump, we can't parse it. */
cond = noce_get_condition (jump,
- &if_info.cond_earliest,
+ &cond_earliest,
then_else_reversed);
if (!cond)
return FALSE;
@@ -2741,6 +2742,7 @@ noce_find_if_block (basic_block test_bb,
if_info.else_bb = else_bb;
if_info.join_bb = join_bb;
if_info.cond = cond;
+ if_info.cond_earliest = cond_earliest;
if_info.jump = jump;
if_info.then_else_reversed = then_else_reversed;
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