From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 16 Jan 2014 19:24:07 +0000 (+0100)
Subject: re PR target/59839 (i686 AVX2 gather intrinsic not compiling with -O0 on mingw w64)
X-Git-Tag: releases/gcc-4.9.0~1628
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a611d7cb08d5b44fd0f2f8118f8083263a6a06df;p=thirdparty%2Fgcc.git

re PR target/59839 (i686 AVX2 gather intrinsic not compiling with -O0 on mingw w64)

	PR target/59839
	* config/i386/i386.c (ix86_expand_builtin): If target doesn't
	satisfy operand 0 predicate for gathers, use a new pseudo as
	subtarget.

	* gcc.target/i386/pr59839.c: New test.

From-SVN: r206682
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ca1f85c8fc5d..098e0c109c3a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2014-01-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/59839
+	* config/i386/i386.c (ix86_expand_builtin): If target doesn't
+	satisfy operand 0 predicate for gathers, use a new pseudo as
+	subtarget.
+
 2014-01-16  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR middle-end/59609
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 73c5a86543c2..df408ae1a2d6 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -35511,7 +35511,9 @@ addcarryx:
       mode4 = insn_data[icode].operand[5].mode;
 
       if (target == NULL_RTX
-	  || GET_MODE (target) != insn_data[icode].operand[0].mode)
+	  || GET_MODE (target) != insn_data[icode].operand[0].mode
+	  || !insn_data[icode].operand[0].predicate (target,
+						     GET_MODE (target)))
 	subtarget = gen_reg_rtx (insn_data[icode].operand[0].mode);
       else
 	subtarget = target;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b874c5756acb..64826502edbb 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2014-01-16  Jakub Jelinek  <jakub@redhat.com>
 
+	PR target/59839
+	* gcc.target/i386/pr59839.c: New test.
+
 	PR debug/54694
 	* gcc.target/i386/pr9771-1.c (main): Rename to...
 	(real_main): ... this.  Add __asm name "main".
diff --git a/gcc/testsuite/gcc.target/i386/pr59839.c b/gcc/testsuite/gcc.target/i386/pr59839.c
new file mode 100644
index 000000000000..dfb89456f9d1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr59839.c
@@ -0,0 +1,12 @@
+/* PR target/59839 */
+/* { dg-do compile } */
+/* { dg-options "-O0 -mavx2" } */
+
+#include <x86intrin.h>
+
+void
+test (const float *x)
+{
+  __m256i i = _mm256_set1_epi32 (1);
+  __m256 d = _mm256_i32gather_ps (x, i, 1);
+}