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authorMichael Meissner <michael.meissner@amd.com>2007-09-25 15:54:00 +0000
committerMichael Meissner <meissner@gcc.gnu.org>2007-09-25 15:54:00 +0000
commit53a833483c71b1cb246ba2ead1b95580d60f9bd5 (patch)
tree497af38c68546a777236befc2840fcfd7b52f26f /gcc/testsuite
parent49e39588b6c99f93b6a092c43549a85f2fe9c690 (diff)
downloadgcc-53a833483c71b1cb246ba2ead1b95580d60f9bd5.tar.gz
Fix 33524; SSE5 vectorized int->long conversions are broken
From-SVN: r128768
Diffstat (limited to 'gcc/testsuite')
-rw-r--r--gcc/testsuite/ChangeLog6
-rw-r--r--gcc/testsuite/gcc.target/i386/sse5-convert.c26
2 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a4c4923729f..ed4ce253002 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2007-09-25 Michael Meissner <michael.meissner@amd.com>
+
+ PR c/33524
+ * gcc.target/i386/sse5-convert.c: New file, test int->long
+ vectorized conversions.
+
2007-09-25 Revital Eres <eres@il.ibm.com>
* testsuite/gcc.target/powerpc/ppc-paired.c (paired_sel): Add.
diff --git a/gcc/testsuite/gcc.target/i386/sse5-convert.c b/gcc/testsuite/gcc.target/i386/sse5-convert.c
new file mode 100644
index 00000000000..0dfdc3ca5f7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/sse5-convert.c
@@ -0,0 +1,26 @@
+/* Test that the compiler properly optimizes vector SI->DI conversions. This
+ was a bug in the initial SSE5 code. */
+
+/* { dg-do compile { target x86_64-*-*} } */
+/* { dg-options "-O2 -msse5 -ftree-vectorize" } */
+
+/* This is PR c/33524 */
+
+typedef long long __m128i __attribute__ ((__vector_size__ (16), __may_alias__));
+
+#define SIZE 10240
+union {
+ signed int si[SIZE];
+ signed long sl[SIZE];
+ __m128i align;
+} a, b;
+
+void conv_sign_int_sign_long (void)
+{
+ int i;
+
+ for (i = 0; i < SIZE; i++)
+ a.sl[i] = b.si[i];
+}
+
+/* { dg-final { scan-assembler "pperm" } } */