From: Jerry DeLisle <jvdelisle@gcc.gnu.org>
Date: Wed, 16 Nov 2016 21:54:25 +0000 (+0000)
Subject: re PR libfortran/51119 (MATMUL slow for large matrices)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d174eb6541dc457ada0297dfbbb904cc563b5437;p=gcc.git

re PR libfortran/51119 (MATMUL slow for large matrices)

2016-11-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/51119
	* Makefile.am: Remove -fno-protect-parens -fstack-arrays.
	* Makefile.in: Regenerate.

From-SVN: r242518
---

diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 15fe6634eeb..affc7f08e3d 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,9 @@
+2016-11-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/51119
+	* Makefile.am: Remove -fno-protect-parens -fstack-arrays.
+	* Makefile.in: Regenerate.
+
 2016-11-16  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 
 	PR libgfortran/78314
diff --git a/libgfortran/Makefile.am b/libgfortran/Makefile.am
index 7f4002dcad4..3db52b85b86 100644
--- a/libgfortran/Makefile.am
+++ b/libgfortran/Makefile.am
@@ -850,7 +850,7 @@ intrinsics/dprod_r8.f90 \
 intrinsics/f2c_specifics.F90
 
 # Turn on vectorization and loop unrolling for matmul.
-$(patsubst %.c,%.lo,$(notdir $(i_matmul_c))): AM_CFLAGS += -ffast-math -fno-protect-parens -fstack-arrays -ftree-vectorize -funroll-loops --param max-unroll-times=4 
+$(patsubst %.c,%.lo,$(notdir $(i_matmul_c))): AM_CFLAGS += -ffast-math -ftree-vectorize -funroll-loops --param max-unroll-times=4 
 # Logical matmul doesn't vectorize.
 $(patsubst %.c,%.lo,$(notdir $(i_matmull_c))): AM_CFLAGS += -funroll-loops
 
diff --git a/libgfortran/Makefile.in b/libgfortran/Makefile.in
index c1a37d78c40..f7b34b943c8 100644
--- a/libgfortran/Makefile.in
+++ b/libgfortran/Makefile.in
@@ -5956,7 +5956,7 @@ uninstall-am: uninstall-cafexeclibLTLIBRARIES \
 @LIBGFOR_USE_SYMVER_SUN_TRUE@@LIBGFOR_USE_SYMVER_TRUE@	 > $@ || (rm -f $@ ; exit 1)
 
 # Turn on vectorization and loop unrolling for matmul.
-$(patsubst %.c,%.lo,$(notdir $(i_matmul_c))): AM_CFLAGS += -ffast-math -fno-protect-parens -fstack-arrays -ftree-vectorize -funroll-loops --param max-unroll-times=4 
+$(patsubst %.c,%.lo,$(notdir $(i_matmul_c))): AM_CFLAGS += -ffast-math -ftree-vectorize -funroll-loops --param max-unroll-times=4 
 # Logical matmul doesn't vectorize.
 $(patsubst %.c,%.lo,$(notdir $(i_matmull_c))): AM_CFLAGS += -funroll-loops