Guard against incomplete AVX512F support in Solaris as

	* lib/target-supports.exp (check_effective_target_avx512f): Also
	check for __builtin_ia32_addsd_round,
	__builtin_ia32_getmantsd_round.
	* gcc.target/i386/i386.exp (check_effective_target_avx512f):
	Remove.

From-SVN: r256588

gcc/testsuite/ChangeLog

+2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* lib/target-supports.exp (check_effective_target_avx512f): Also
+	check for __builtin_ia32_addsd_round,
+	__builtin_ia32_getmantsd_round.
+	* gcc.target/i386/i386.exp (check_effective_target_avx512f):
+	Remove.
+
 2018-01-12  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	PR target/83629

gcc/testsuite/gcc.target/i386/i386.exp

@@ -230,18 +230,6 @@ proc check_effective_target_rtm { } {
     } "-mrtm" ]
 }
 
-# Return 1 if avx512f instructions can be compiled.
-proc check_effective_target_avx512f { } {
-    return [check_no_compiler_messages avx512f object {
-	typedef long long __v8di __attribute__ ((__vector_size__ (64)));
-	__v8di
-	mm512_and_epi64  (__v8di __X, __v8di __Y)
-	{
-            return __builtin_ia32_pandq512_mask (__X, __Y, __X, -1);
-	}
-    } "-mavx512f" ]
-}
-
 # Return 1 if avx512vl instructions can be compiled.
 proc check_effective_target_avx512vl { } {
     return [check_no_compiler_messages avx512vl object {

gcc/testsuite/lib/target-supports.exp

@@ -7918,11 +7918,22 @@ proc check_prefer_avx128 { } {
 proc check_effective_target_avx512f { } {
     return [check_no_compiler_messages avx512f object {
 	typedef double __m512d __attribute__ ((__vector_size__ (64)));
+	typedef double __m128d __attribute__ ((__vector_size__ (16)));
 
 	__m512d _mm512_add (__m512d a)
 	{
 	  return __builtin_ia32_addpd512_mask (a, a, a, 1, 4);
 	}
+
+	__m128d _mm128_add (__m128d a)
+	{
+	  return __builtin_ia32_addsd_round (a, a, 8);
+	}
+
+	__m128d _mm128_getmant (__m128d a)
+	{
+	  return __builtin_ia32_getmantsd_round (a, a, 0, 8);
+	}
     } "-O2 -mavx512f" ]
 }