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authorSegher Boessenkool <segher@kernel.crashing.org>2015-05-13 21:14:07 +0200
committerSegher Boessenkool <segher@gcc.gnu.org>2015-05-13 21:14:07 +0200
commit7893307bb20d7e1a6bd2de2fb8b5e779d376439f (patch)
tree1f844ee434c12f6162eaf679db00b07836aafef7
parent1c08a6770c2bcd42657f537594116797d0d2daa7 (diff)
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re PR rtl-optimization/30967 (Extra sign/zero extend with word comparison result)
PR rtl-optimization/30967 * config/rs6000/rs6000.c (rs6000_rtx_costs): Don't consider destination mode for the cost of scc patterns. From-SVN: r223174
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/config/rs6000/rs6000.c2
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d34287c..0afa5b3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-05-13 Segher Boessenkool <segher@kernel.crashing.org>
+
+ PR rtl-optimization/30967
+ * config/rs6000/rs6000.c (rs6000_rtx_costs): Don't consider
+ destination mode for the cost of scc patterns.
+
2015-05-13 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (*mul<mode>3_1): Merge with *mulhi3_1
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index ec7332c..50d6391 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -30640,7 +30640,7 @@ rs6000_rtx_costs (rtx x, int code, int outer_code, int opno ATTRIBUTE_UNUSED,
*total = COSTS_N_INSNS (2);
return true;
}
- else if (mode == Pmode)
+ else
{
*total = COSTS_N_INSNS (3);
return false;