re PR tree-optimization/91096 (Openmp vector max reduction incorrect)

	PR tree-optimization/91096
	* gcc.dg/vect/vect-simd-10.c (FLT_MIN_VALUE): Define.
	(bar, main): Use it instead of -__builtin_inff ().
	* gcc.dg/vect/vect-simd-14.c (FLT_MIN_VALUE): Define.
	(bar, main): Use it instead of -__builtin_inff ().

From-SVN: r273156

gcc/testsuite/ChangeLog

+2019-07-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/91096
+	* gcc.dg/vect/vect-simd-10.c (FLT_MIN_VALUE): Define.
+	(bar, main): Use it instead of -__builtin_inff ().
+	* gcc.dg/vect/vect-simd-14.c (FLT_MIN_VALUE): Define.
+	(bar, main): Use it instead of -__builtin_inff ().
+
 2019-07-05  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/67184 (again)

gcc/testsuite/gcc.dg/vect/vect-simd-10.c

@@ -7,6 +7,12 @@
 #include "tree-vect.h"
 #endif
 
+#ifdef __FAST_MATH__
+#define FLT_MIN_VALUE (-__FLT_MAX__)
+#else
+#define FLT_MIN_VALUE (-__builtin_inff ())
+#endif
+
 float r = 1.0f, a[1024], b[1024];
 
 __attribute__((noipa)) void
@@ -24,7 +30,7 @@ foo (float *a, float *b)
 __attribute__((noipa)) float
 bar (void)
 {
-  float s = -__builtin_inff ();
+  float s = FLT_MIN_VALUE;
   #pragma omp simd reduction (inscan, max:s)
   for (int i = 0; i < 1024; i++)
     {
@@ -84,7 +90,7 @@ main ()
     }
   if (bar () != 592.0f)
     abort ();
-  s = -__builtin_inff ();
+  s = FLT_MIN_VALUE;
   for (int i = 0; i < 1024; ++i)
     {
       if (s < a[i])

gcc/testsuite/gcc.dg/vect/vect-simd-14.c

@@ -7,6 +7,12 @@
 #include "tree-vect.h"
 #endif
 
+#ifdef __FAST_MATH__
+#define FLT_MIN_VALUE (-__FLT_MAX__)
+#else
+#define FLT_MIN_VALUE (-__builtin_inff ())
+#endif
+
 float r = 1.0f, a[1024], b[1024];
 
 __attribute__((noipa)) void
@@ -24,7 +30,7 @@ foo (float *a, float *b)
 __attribute__((noipa)) float
 bar (void)
 {
-  float s = -__builtin_inff ();
+  float s = FLT_MIN_VALUE;
   #pragma omp simd reduction (inscan, max:s)
   for (int i = 0; i < 1024; i++)
     {
@@ -82,7 +88,7 @@ main ()
     }
   if (bar () != 592.0f)
     abort ();
-  s = -__builtin_inff ();
+  s = FLT_MIN_VALUE;
   for (int i = 0; i < 1024; ++i)
     {
       if (b[i] != s)