x86: Update VPCLMULQDQ check

Update VPCLMULQDQ check to support processors with AVX version of
VPCLMULQDQ.

	Backport from master
	PR target/91695
	* config/i386/cpuinfo.c (get_available_features): Fix VPCLMULQDQ
	check.

(cherry picked from commit 1e46a443f25d26816536c0c480211714b123a1d5)

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 93c100a338d58a15959f4a0cfe37860f4db2fde0..f0e8ee5d9c39198f9dc1e34a29be4e66b4c70e64 100644 (file)
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,12 @@
+2020-05-20  H.J. Lu  <hongjiu.lu@intel.com>
+
+       Backport from master
+       2020-05-20  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR target/91695
+       * config/i386/cpuinfo.c (get_available_features): Fix VPCLMULQDQ
+       check.
+
 2020-05-19  H.J. Lu  <hongjiu.lu@intel.com>
 
        Backport from master

diff --git a/libgcc/config/i386/cpuinfo.c b/libgcc/config/i386/cpuinfo.c
index 7e47c39f74bad4b63501bbadfc3469d627aafd5e..6a33d2e0d52f4ceee254989b5b569ab6be0f952b 100644 (file)
--- a/libgcc/config/i386/cpuinfo.c
+++ b/libgcc/config/i386/cpuinfo.c
@@ -346,6 +346,8 @@ get_available_features (unsigned int ecx, unsigned int edx,
        {
          if (ebx & bit_AVX2)
            set_feature (FEATURE_AVX2);
+         if (ecx & bit_VPCLMULQDQ)
+           set_feature (FEATURE_VPCLMULQDQ);
        }
       if (ebx & bit_BMI2)
        set_feature (FEATURE_BMI2);
@@ -373,8 +375,6 @@ get_available_features (unsigned int ecx, unsigned int edx,
            set_feature (FEATURE_AVX512VBMI);
          if (ecx & bit_AVX512VBMI2)
            set_feature (FEATURE_AVX512VBMI2);
-         if (ecx & bit_VPCLMULQDQ)
-           set_feature (FEATURE_VPCLMULQDQ);
          if (ecx & bit_AVX512VNNI)
            set_feature (FEATURE_AVX512VNNI);
          if (ecx & bit_AVX512BITALG)