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References: <bug-29549-1719@http.gcc.gnu.org/bugzilla/>
Subject: [Bug fortran/29549] matmul slow for complex matrices
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From: "fxcoudert at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
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------- Comment #8 from fxcoudert at gcc dot gnu dot org  2008-02-16 19:00 -------
The Makefile.am part was messed up by my terminal: 

Index: libgfortran/Makefile.am
===================================================================
--- libgfortran/Makefile.am     (revision 132353)
+++ libgfortran/Makefile.am     (working copy)
@@ -636,7 +636,7 @@
 install-pdf:

 # Turn on vectorization and loop unrolling for matmul.
-$(patsubst %.c,%.lo,$(notdir $(i_matmul_c))): AM_CFLAGS += -ftree-vectorize
-funroll-loops
+$(patsubst %.c,%.lo,$(notdir $(i_matmul_c))): AM_CFLAGS += -ftree-vectorize
-funroll-loops -fcx-fortran-rules
 # Logical matmul doesn't vectorize.
 $(patsubst %.c,%.lo,$(notdir $(i_matmull_c))): AM_CFLAGS += -funroll-loops


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29549