* config/i386/i386.c (ix86_preferred_simd_mode): Even for TARGET_AVX

	if not TARGET_PREFER_AVX128 return 32-byte integer vectors.

	* gcc.target/i386/avx-cvt-2.c: Adjust for 32-byte integer vectors
	being prefered even for -mavx.
	* gcc.target/i386/avx-cvt-3.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181170 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7db3a37..3062032 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-11-08  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/i386.c (ix86_preferred_simd_mode): Even for TARGET_AVX
+       if not TARGET_PREFER_AVX128 return 32-byte integer vectors.
+
 2011-11-08  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/51012

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 799e12b..acf9ad8 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -38076,13 +38076,13 @@ ix86_preferred_simd_mode (enum machine_mode mode)
   switch (mode)
     {
     case QImode:
-      return TARGET_AVX2 ? V32QImode : V16QImode;
+      return (TARGET_AVX && !TARGET_PREFER_AVX128) ? V32QImode : V16QImode;
     case HImode:
-      return TARGET_AVX2 ? V16HImode : V8HImode;
+      return (TARGET_AVX && !TARGET_PREFER_AVX128) ? V16HImode : V8HImode;
     case SImode:
-      return TARGET_AVX2 ? V8SImode : V4SImode;
+      return (TARGET_AVX && !TARGET_PREFER_AVX128) ? V8SImode : V4SImode;
     case DImode:
-      return TARGET_AVX2 ? V4DImode : V2DImode;
+      return (TARGET_AVX && !TARGET_PREFER_AVX128) ? V4DImode : V2DImode;
 
     case SFmode:
       if (TARGET_AVX && !TARGET_PREFER_AVX128)

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1a7528a..da00634 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2011-11-08  Jakub Jelinek  <jakub@redhat.com>
+
+       * gcc.target/i386/avx-cvt-2.c: Adjust for 32-byte integer vectors
+       being prefered even for -mavx.
+       * gcc.target/i386/avx-cvt-3.c: New test.
+
 2011-11-08  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/51012

diff --git a/gcc/testsuite/gcc.target/i386/avx-cvt-2.c b/gcc/testsuite/gcc.target/i386/avx-cvt-2.c
index 68206f5..de1afec 100644 (file)
--- a/gcc/testsuite/gcc.target/i386/avx-cvt-2.c
+++ b/gcc/testsuite/gcc.target/i386/avx-cvt-2.c
@@ -5,9 +5,9 @@
 
 /* { dg-final { scan-tree-dump-times "note: vectorized 1 loops in function" 6 "vect" } } */
 /* { dg-final { scan-assembler "vcvttpd2dq(y\[^\n\r\]*%xmm|\[^\n\r\]*xmm\[^\n\r\]*YMMWORD PTR)" } } */
-/* { dg-final { scan-assembler "vcvtdq2ps\[^\n\r\]*xmm" } } */
+/* { dg-final { scan-assembler "vcvtdq2ps\[^\n\r\]*ymm" } } */
 /* { dg-final { scan-assembler "vcvtps2pd\[^\n\r\]*(%xmm\[^\n\r\]*%ymm|ymm\[^\n\r\]*xmm)" } } */
 /* { dg-final { scan-assembler "vcvttps2dq\[^\n\r\]*ymm" } } */
-/* { dg-final { scan-assembler "vcvtdq2pd\[^\n\r\]*xmm\[^\n\r\]*xmm" } } */
+/* { dg-final { scan-assembler "vcvtdq2pd\[^\n\r\]*(%xmm\[^\n\r\]*%ymm|ymm\[^\n\r\]*xmm)" } } */
 /* { dg-final { scan-assembler "vcvtpd2ps(y\[^\n\r\]*%xmm|\[^\n\r\]*xmm\[^\n\r\]*YMMWORD PTR)" } } */
 /* { dg-final { cleanup-tree-dump "vect" } } */

diff --git a/gcc/testsuite/gcc.target/i386/avx-cvt-3.c b/gcc/testsuite/gcc.target/i386/avx-cvt-3.c
new file mode 100644 (file)
index 0000000..a9b898a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx-cvt-3.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -mavx -mno-avx2 -mtune=generic -mprefer-avx128 -fdump-tree-vect-details" } */
+
+#include "avx-cvt-1.c"
+
+/* { dg-final { scan-tree-dump-times "note: vectorized 1 loops in function" 6 "vect" } } */
+/* { dg-final { scan-assembler "vcvttpd2dq(x\[^\n\r\]*%xmm|\[^\n\r\]*xmm\[^\n\r\]*XMMWORD PTR)" } } */
+/* { dg-final { scan-assembler "vcvtdq2ps\[^\n\r\]*xmm" } } */
+/* { dg-final { scan-assembler "vcvtps2pd\[^\n\r\]*(%xmm\[^\n\r\]*%xmm|xmm\[^\n\r\]*xmm)" } } */
+/* { dg-final { scan-assembler "vcvttps2dq\[^\n\r\]*xmm" } } */
+/* { dg-final { scan-assembler "vcvtdq2pd\[^\n\r\]*xmm\[^\n\r\]*xmm" } } */
+/* { dg-final { scan-assembler "vcvtpd2ps(x\[^\n\r\]*%xmm|\[^\n\r\]*xmm\[^\n\r\]*XMMWORD PTR)" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */