From: Uros Bizjak <ubizjak@gmail.com>
Date: Sun, 23 Oct 2011 15:19:06 +0000 (+0200)
Subject: re PR target/50788 (ICE: in merge_overlapping_regs, at regrename.c:318 with -mavx... 
X-Git-Tag: releases/gcc-4.4.7~199
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51d76d54d2516f52bad72bba949caf91308062ba;p=thirdparty%2Fgcc.git

re PR target/50788 (ICE: in merge_overlapping_regs, at regrename.c:318 with -mavx -fpeel-loops -fstack-protector-all and __builtin_ia32_maskloadpd256)

	PR target/50788
	* config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
	Remove (match_dup 0).

testsuite/ChangeLog:

	PR target/50788
	* gcc.target/i386/pr50788.c: New test.

From-SVN: r180339
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2a55007f2b1f..21cb741228ed 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-10-23  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/50788
+	* config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
+	Remove (match_dup 0).
+
 2011-10-18  Uros Bizjak  <ubizjak@gmail.com>
 	    Eric Botcazou  <ebotcazou@adacore.com>
 
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index d6c5c4b45c78..afe2b700a164 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -11674,8 +11674,7 @@
   [(set (match_operand:AVXMODEF2P 0 "register_operand" "=x")
 	(unspec:AVXMODEF2P
 	  [(match_operand:AVXMODEF2P 1 "memory_operand" "m")
-	   (match_operand:<avxpermvecmode> 2 "register_operand" "x")
-	   (match_dup 0)]
+	   (match_operand:<avxpermvecmode> 2 "register_operand" "x")]
 	  UNSPEC_MASKLOAD))]
   "TARGET_AVX"
   "vmaskmovp<avxmodesuffixf2c>\t{%1, %2, %0|%0, %2, %1}"
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c1a4ebeca866..0c59d5ccb4d4 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2011-10-23  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/50788
+	* gcc.target/i386/pr50788.c: New test.
+
 2011-10-19  Jason Merrill  <jason@redhat.com>
 
 	PR c++/50793
diff --git a/gcc/testsuite/gcc.target/i386/pr50788.c b/gcc/testsuite/gcc.target/i386/pr50788.c
new file mode 100644
index 000000000000..29a19634cc04
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr50788.c
@@ -0,0 +1,10 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mavx -fpeel-loops -fstack-protector-all" } */
+
+typedef long long __m256i __attribute__ ((__vector_size__ (32)));
+typedef double __m256d __attribute__ ((__vector_size__ (32)));
+
+__m256d foo (__m256d *__P, __m256i __M)
+{
+  return __builtin_ia32_maskloadpd256 ( __P, __M);
+}