* config/i386/sse.md (sse2_loadlpd, sse2_movsd): Fix shufpd source
operand.
* gcc.target/i386/pr46880.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@168135
138bc75d-0d04-0410-961f-
82ee72b054a4
+2010-12-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/46880
+ * config/i386/sse.md (sse2_loadlpd, sse2_movsd): Fix shufpd source
+ operand.
+
2010-12-21 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/47001
movsd\t{%2, %0|%0, %2}
movlpd\t{%2, %0|%0, %2}
movsd\t{%2, %0|%0, %2}
- shufpd\t{$2, %2, %0|%0, %2, 2}
+ shufpd\t{$2, %1, %0|%0, %1, 2}
movhpd\t{%H1, %0|%0, %H1}
#
#
movsd\t{%2, %0|%0, %2}
movlpd\t{%2, %0|%0, %2}
movlpd\t{%2, %0|%0, %2}
- shufpd\t{$2, %2, %0|%0, %2, 2}
+ shufpd\t{$2, %1, %0|%0, %1, 2}
movhps\t{%H1, %0|%0, %H1}
movhps\t{%1, %H0|%H0, %1}"
[(set_attr "type" "ssemov,ssemov,ssemov,sselog,ssemov,ssemov")
-2010-12-21 Ira Rosen <irar@il.ibm.com>i
+2010-12-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/46880
+ * gcc.target/i386/pr46880.c: New test.
+
+2010-12-21 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/47001
* gcc.dg/vect/pr47001.c: New.
--- /dev/null
+/* PR target/46880 */
+/* { dg-do run } */
+/* { dg-options "-O2 -fno-strict-aliasing -msse2" } */
+/* { dg-require-effective-target sse2_runtime } */
+
+typedef double __m128d __attribute__ ((__vector_size__ (16), __may_alias__));
+typedef double (*T)[2];
+
+static __attribute__ ((noinline, noclone)) __m128d
+foo (__m128d c, __m128d d)
+{
+ T cp = (T) &c;
+ T dp = (T) &d;
+ __m128d e = { (*cp)[1], (*dp)[1] };
+ return e;
+}
+
+int
+main ()
+{
+ __m128d c = { 1.0, 2.0 };
+ __m128d d = { 3.0, 4.0 };
+ union { __m128d x; double d[2]; } u;
+ u.x = foo (c, d);
+ if (u.d[0] != 2.0 || u.d[1] != 4.0)
+ __builtin_abort ();
+ return 0;
+}