re PR target/30485 (ICE in rs6000_emit_vector_compare when building with -fno-trapping-math)

2007-01-18  Josh Conner  <jconner@apple.com>

	PR target/30485
	* gcc.dg/vect/vect.exp: Add support for no-trapping-math tests.
	* gcc.dg/vect/no-trapping-math-1: New.
	* gcc.dg/vect/no-trapping-math-2: New.

From-SVN: r120903

gcc/testsuite/ChangeLog

+2007-01-18  Josh Conner  <jconner@apple.com>
+
+	PR target/30485
+	* gcc.dg/vect/vect.exp: Add support for no-trapping-math tests.
+	* gcc.dg/vect/no-trapping-math-1: New.
+	* gcc.dg/vect/no-trapping-math-2: New.
+
 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
 
 	* gcc.target/i386/387-8.c: Update comment about optimizing

gcc/testsuite/gcc.dg/vect/no-trapping-math-1.c

+/* Test for pr30485.  */
+/* { dg-do compile } */
+/* { dg-require-effective-target vect_condition } */
+void
+foo (float a[32], float b[2][32])
+{
+  int i;
+  for (i = 0; i < 32; i++)
+    a[i] = (b[0][i] > b[1][i]) ? b[0][i] : b[1][i];
+}
+
+/* { dg-final { cleanup-tree-dump "vect" } } */

gcc/testsuite/gcc.dg/vect/no-trapping-math-2.c

+/* Test for pr30485.  */
+/* { dg-require-effective-target vect_float } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16
+
+int
+main1 (void)
+{
+  int i;
+  float a[N];
+  float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
+
+  /* Condition in loop.  */
+  /* This loop is vectorized on platforms that support vect_condition.  */
+  for (i = 0; i < N; i++)
+  {
+    a[i] = (b[i] > 0 ? b[i] : 0);
+  }
+
+  for (i = 0; i < N; i++)
+  {
+    if (a[i] != b[i])
+	abort ();
+  }
+  return 0;
+}
+
+int main (void)
+{
+  check_vect ();
+  return main1 ();
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_condition } } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */

gcc/testsuite/gcc.dg/vect/vect.exp

@@ -150,6 +150,12 @@ lappend DEFAULT_VECTCFLAGS "-funswitch-loops"
 dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/unswitch-loops-*.\[cS\]]]  \
 	"" $DEFAULT_VECTCFLAGS
 
+# -fno-trapping-math tests
+set DEFAULT_VECTCFLAGS $SAVED_DEFAULT_VECTCFLAGS
+lappend DEFAULT_VECTCFLAGS "-fno-trapping-math"
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/no-trapping-math-*.\[cS\]]]  \
+	"" $DEFAULT_VECTCFLAGS
+
 # With -Os
 lappend DEFAULT_VECTCFLAGS "-Os"
 dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/Os-vect-*.\[cS\]]]  \