meta-xilinx/meta-xilinx-bsp/recipes-microblaze/gcc/gcc-7/0017-Disable-fivopts-by-default-Turn-off-ivopts-by-defaul.patch

From 25b161dd222311cca0e6ab46b7f3be444bd4bbe8 Mon Sep 17 00:00:00 2001
From: Mahesh Bodapati <mbodapat@xilinx.com>
Date: Sat, 26 Aug 2017 19:21:32 -0700
Subject: [PATCH] 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>
Signed-off-by: Mahesh Bodapati <mbodapat@xilinx.com>
Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com>
Upstream-Status: Pending
---
 gcc/common/config/microblaze/microblaze-common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/common/config/microblaze/microblaze-common.c b/gcc/common/config/microblaze/microblaze-common.c
index 4975663305..8ddc4c3cbe 100644
--- a/gcc/common/config/microblaze/microblaze-common.c
+++ b/gcc/common/config/microblaze/microblaze-common.c
@@ -27,6 +27,8 @@
 /* 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 }
   };
-- 
2.14.2