* gcc.target/i386/builtin_target.c (check_features): Check all

	supported __builtin_cpu_supports options.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@244375 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 49 insertions, 19 deletions

diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h
index e32d87fdc4a..0939e9e6696 100644
--- a/gcc/config/i386/cpuid.h
+++ b/gcc/config/i386/cpuid.h
@@ -47,28 +47,25 @@
 #define bit_SSE		(1 << 25)
 #define bit_SSE2	(1 << 26)
 
-/* Extended Features */
+/* Extended Features (%eax == 0x80000001) */
 /* %ecx */
 #define bit_LAHF_LM	(1 << 0)
 #define bit_ABM		(1 << 5)
 #define bit_SSE4a	(1 << 6)
 #define bit_PRFCHW	(1 << 8)
 #define bit_XOP         (1 << 11)
-#define bit_AVX512VPOPCNTDQ	(1 << 14)
 #define bit_LWP 	(1 << 15)
 #define bit_FMA4        (1 << 16)
 #define bit_TBM         (1 << 21)
 #define bit_MWAITX      (1 << 29)
 
 /* %edx */
-#define bit_AVX5124VNNIW (1 << 2)
-#define bit_AVX5124FMAPS (1 << 3)
 #define bit_MMXEXT	(1 << 22)
 #define bit_LM		(1 << 29)
 #define bit_3DNOWP	(1 << 30)
 #define bit_3DNOW	(1 << 31)
 
-/* %ebx.  */
+/* %ebx  */
 #define bit_CLZERO	(1 << 0)
 
 /* Extended Features (%eax == 7) */
@@ -100,6 +97,11 @@
 #define bit_AVX512VBMI	(1 << 1)
 #define bit_PKU	(1 << 3)
 #define bit_OSPKE	(1 << 4)
+#define bit_AVX512VPOPCNTDQ	(1 << 14)
+
+/* %edx */
+#define bit_AVX5124VNNIW (1 << 2)
+#define bit_AVX5124FMAPS (1 << 3)
 
 /* XFEATURE_ENABLED_MASK register bits (%eax == 13, %ecx == 0) */
 #define bit_BNDREGS     (1 << 3)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ba357ffb04a..631a8a3d7ca 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-01-12  Uros Bizjak  <ubizjak@gmail.com>
+
+	* gcc.target/i386/builtin_target.c (check_features): Check all
+	supported __builtin_cpu_supports options.
+
 2017-01-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	PR tree-optimization/78319
diff --git a/gcc/testsuite/gcc.target/i386/builtin_target.c b/gcc/testsuite/gcc.target/i386/builtin_target.c
index e50695c7091..374f0292453 100644
--- a/gcc/testsuite/gcc.target/i386/builtin_target.c
+++ b/gcc/testsuite/gcc.target/i386/builtin_target.c
@@ -163,6 +163,9 @@ static void
 check_features (unsigned int ecx, unsigned int edx,
 		int max_cpuid_level)
 {
+  unsigned int eax, ebx;
+  unsigned int ext_level;
+
   if (edx & bit_CMOV)
     assert (__builtin_cpu_supports ("cmov"));
   if (edx & bit_MMX)
@@ -187,38 +190,58 @@ check_features (unsigned int ecx, unsigned int edx,
     assert (__builtin_cpu_supports ("sse4.2"));
   if (ecx & bit_AVX)
     assert (__builtin_cpu_supports ("avx"));
+  if (ecx & bit_FMA)
+    assert (__builtin_cpu_supports ("fma"));
 
   /* Get advanced features at level 7 (eax = 7, ecx = 0).  */
   if (max_cpuid_level >= 7)
     {
-      unsigned int eax, ebx, ecx, edx;
       __cpuid_count (7, 0, eax, ebx, ecx, edx);
+      if (ebx & bit_BMI)
+	assert (__builtin_cpu_supports ("bmi"));
       if (ebx & bit_AVX2)
 	assert (__builtin_cpu_supports ("avx2"));
+      if (ebx & bit_BMI2)
+	assert (__builtin_cpu_supports ("bmi2"));
       if (ebx & bit_AVX512F)
 	assert (__builtin_cpu_supports ("avx512f"));
       if (ebx & bit_AVX512VL)
 	assert (__builtin_cpu_supports ("avx512vl"));
+      if (ebx & bit_AVX512BW)
+	assert (__builtin_cpu_supports ("avx512bw"));
+      if (ebx & bit_AVX512DQ)
+	assert (__builtin_cpu_supports ("avx512dq"));
       if (ebx & bit_AVX512CD)
 	assert (__builtin_cpu_supports ("avx512cd"));
       if (ebx & bit_AVX512PF)
 	assert (__builtin_cpu_supports ("avx512pf"));
       if (ebx & bit_AVX512ER)
 	assert (__builtin_cpu_supports ("avx512er"));
-      if (ebx & bit_AVX512BW)
-	assert (__builtin_cpu_supports ("avx512bw"));
-      if (ebx & bit_AVX512DQ)
-	assert (__builtin_cpu_supports ("avx512dq"));
-      if (ecx & bit_AVX512IFMA)
+      if (ebx & bit_AVX512IFMA)
 	assert (__builtin_cpu_supports ("avx512ifma"));
       if (ecx & bit_AVX512VBMI)
 	assert (__builtin_cpu_supports ("avx512vbmi"));
+      if (ecx & bit_AVX512VPOPCNTDQ)
+	assert (__builtin_cpu_supports ("avx512vpopcntdq"));
       if (edx & bit_AVX5124VNNIW)
 	assert (__builtin_cpu_supports ("avx5124vnniw"));
       if (edx & bit_AVX5124FMAPS)
 	assert (__builtin_cpu_supports ("avx5124fmaps"));
-      if (ecx & bit_AVX512VPOPCNTDQ)
-	assert (__builtin_cpu_supports ("avx512vpopcntdq"));
+    }
+
+  /* Check cpuid level of extended features.  */
+  __cpuid (0x80000000, ext_level, ebx, ecx, edx);
+
+  if (ext_level >= 0x80000001)
+    {
+      __cpuid (0x80000001, eax, ebx, ecx, edx);
+
+      if (ecx & bit_SSE4a)
+	assert (__builtin_cpu_supports ("sse4a"));
+      if (ecx & bit_FMA4)
+	assert (__builtin_cpu_supports ("fma4"));
+      if (ecx & bit_XOP)
+	assert (__builtin_cpu_supports ("xop"));
     }
 }
 
diff --git a/libgcc/config/i386/cpuinfo.c b/libgcc/config/i386/cpuinfo.c
index 737d1aa14bd..a1dc011525f 100644
--- a/libgcc/config/i386/cpuinfo.c
+++ b/libgcc/config/i386/cpuinfo.c
@@ -215,6 +215,9 @@ static void
 get_available_features (unsigned int ecx, unsigned int edx,
 			int max_cpuid_level)
 {
+  unsigned int eax, ebx;
+  unsigned int ext_level;
+
   unsigned int features = 0;
 
   if (edx & bit_CMOV)
@@ -247,7 +250,6 @@ get_available_features (unsigned int ecx, unsigned int edx,
   /* Get Advanced Features at level 7 (eax = 7, ecx = 0). */
   if (max_cpuid_level >= 7)
     {
-      unsigned int eax, ebx, ecx, edx;
       __cpuid_count (7, 0, eax, ebx, ecx, edx);
       if (ebx & bit_BMI)
         features |= (1 << FEATURE_BMI);
@@ -273,20 +275,18 @@ get_available_features (unsigned int ecx, unsigned int edx,
 	features |= (1 << FEATURE_AVX512IFMA);
       if (ecx & bit_AVX512VBMI)
 	features |= (1 << FEATURE_AVX512VBMI);
+      if (ecx & bit_AVX512VPOPCNTDQ)
+	features |= (1 << FEATURE_AVX512VPOPCNTDQ);
       if (edx & bit_AVX5124VNNIW)
 	features |= (1 << FEATURE_AVX5124VNNIW);
       if (edx & bit_AVX5124FMAPS)
 	features |= (1 << FEATURE_AVX5124FMAPS);
-      if (ecx & bit_AVX512VPOPCNTDQ)
-	features |= (1 << FEATURE_AVX512VPOPCNTDQ);
     }
 
-  unsigned int ext_level;
-  unsigned int eax, ebx;
   /* Check cpuid level of extended features.  */
   __cpuid (0x80000000, ext_level, ebx, ecx, edx);
 
-  if (ext_level > 0x80000000)
+  if (ext_level >= 0x80000001)
     {
       __cpuid (0x80000001, eax, ebx, ecx, edx);