re PR middle-end/17930 (-mfpmath=sse creates illegal code (movapd with misaligned argument))

        PR middle-end/17930
        * passes.c (rest_of_clean_state): Fix computation of
        preferred_incoming_stack_boundary.

From-SVN: r92116

1 files changed, 34 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/i386-sse-10.c b/gcc/testsuite/gcc.dg/i386-sse-10.c
new file mode 100644
index 0000000..ae557f3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/i386-sse-10.c
@@ -0,0 +1,34 @@
+/* PR 17930 */
+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O1 -msse2 -mfpmode=sse -mno-accumulate-outgoing-args" } */
+
+#include "i386-cpuid.h"
+
+typedef _Complex double complex_16;
+
+void NOINLINE
+test (complex_16 a[5][5])
+{
+  int i, j, k;
+  complex_16 x;
+
+  for (j = 0; j < 5; j++)
+    for (i = 0; i < 5; i++)
+      {
+        for (k = 0; k < j - 1; ++k)
+	  x = a[k][i] * ~a[k][j];
+	a[j][i] = x;
+      }
+}
+
+int main()
+{
+  static complex_16 work[5][5];
+  unsigned long cpu_facilities;
+
+  cpu_facilities = i386_cpuid ();
+  if (cpu_facilities & bit_SSE2)
+    test (work); 
+
+  return 0;
+}