From b60068cbdd3c830e541fbd35f2ed119245911461 Mon Sep 17 00:00:00 2001
From: Mahesh Bodapati <mbodapat@xilinx.com>
Date: Tue, 17 Jan 2017 11:10:21 +0530
Subject: [PATCH 15/54] [Patch, microblaze]: Disable fivopts by default Turn
 off ivopts by default. Interferes with cse.

Changelog

2013-03-18  Edgar E. Iglesias <edgar.iglesias@xilinx.com>

 * gcc/common/config/microblaze/microblaze-common.c
   (microblaze_option_optimization_table): Disable fivopts by default.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
---
 gcc/common/config/microblaze/microblaze-common.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/gcc/common/config/microblaze/microblaze-common.c b/gcc/common/config/microblaze/microblaze-common.c
index 3e75675..fe45f2e 100644
--- a/gcc/common/config/microblaze/microblaze-common.c
+++ b/gcc/common/config/microblaze/microblaze-common.c
@@ -24,6 +24,15 @@
 #include "common/common-target.h"
 #include "common/common-target-def.h"
 
+/* Implement TARGET_OPTION_OPTIMIZATION_TABLE.  */
+static const struct default_options microblaze_option_optimization_table[] =
+  {
+    /* Turn off ivopts by default. It messes up cse. */
+    { OPT_LEVELS_ALL, OPT_fivopts, NULL, 0 },
+    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
+    { OPT_LEVELS_NONE, 0, NULL, 0 }
+  };
+
 #undef TARGET_DEFAULT_TARGET_FLAGS
 #define TARGET_DEFAULT_TARGET_FLAGS	TARGET_DEFAULT
 
-- 
2.7.4