From b0d97c338781ef524f1dbc44c4dffbe4b707ac19 Mon Sep 17 00:00:00 2001
From: Yuri Rumyantsev <ysrumyan@gmail.com>
Date: Fri, 13 Dec 2013 16:11:41 +0000
Subject: [PATCH] Update HImode imul cost for Silvermont
2013-12-13 Yuri Rumyantsev <ysrumyan@gmail.com>
* config/i386/i386.c (slm_cost): Fix imul cost for HI.
From-SVN: r205962
---
gcc/ChangeLog | 4 ++++
gcc/config/i386/i386.c | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index db76797b8497..493286b734ab 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2013-12-13 Yuri Rumyantsev <ysrumyan@gmail.com>
+
+ * config/i386/i386.c (slm_cost): Fix imul cost for HI.
+
2013-12-13 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/58296
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index b37025bf0164..2606b3bafa52 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -1684,7 +1684,7 @@ struct processor_costs slm_cost = {
COSTS_N_INSNS (1), /* variable shift costs */
COSTS_N_INSNS (1), /* constant shift costs */
{COSTS_N_INSNS (3), /* cost of starting multiply for QI */
- COSTS_N_INSNS (4), /* HI */
+ COSTS_N_INSNS (3), /* HI */
COSTS_N_INSNS (3), /* SI */
COSTS_N_INSNS (4), /* DI */
COSTS_N_INSNS (2)}, /* other */
--
GitLab