Updated cpuid.h to move bit_AVX512BMM to the extended features section.
gcc/ChangeLog:
* common/config/i386/cpuinfo.h (get_available_features): Detect
AVX512BMM from extended features instead of standard leaf.
* config/i386/cpuid.h (bit_AVX512BMM): Move to extended features
section.
---
gcc/common/config/i386/cpuinfo.h | 12 ++----------
gcc/config/i386/cpuid.h | 4 +---
2 files changed, 3 insertions(+), 13 deletions(-)
diff --git a/gcc/common/config/i386/cpuinfo.h b/gcc/common/config/i386/cpuinfo.h
index fef8f90f94c..153ab194864 100644
--- a/gcc/common/config/i386/cpuinfo.h
+++ b/gcc/common/config/i386/cpuinfo.h
@@ -1110,16 +1110,6 @@ get_available_features (struct __processor_model
*cpu_model,
}
}
- /* Get Advanced Features at level 0x21 (eax = 0x21). */
- if (max_cpuid_level >= 0x21)
- {
- __cpuid (0x21, eax, ebx, ecx, edx);
- if (eax & bit_AVX512BMM)
- {
- set_feature (FEATURE_AVX512BMM);
- }
- }
-
/* Get Advanced Features at level 0x24 (eax = 0x24, ecx = 0). */
if (avx10_set && max_cpuid_level >= 0x24)
{
@@ -1205,6 +1195,8 @@ get_available_features (struct __processor_model
*cpu_model,
{
set_feature (FEATURE_PREFETCHI);
}
+ if (eax & bit_AVX512BMM)
+ set_feature (FEATURE_AVX512BMM);
}
#undef set_feature
diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h
index 5e1aad57d40..4a21672a9be 100644
--- a/gcc/config/i386/cpuid.h
+++ b/gcc/config/i386/cpuid.h
@@ -75,6 +75,7 @@
/* Extended Features (%eax == 0x80000021) */
/* %eax */
#define bit_AMD_PREFETCHI (1 << 20)
+#define bit_AVX512BMM (1 << 23)
/* Extended Features Leaf (%eax == 7, %ecx == 0) */
/* %ebx */
@@ -167,9 +168,6 @@
#define bit_AESKLE ( 1<<0 )
#define bit_WIDEKL ( 1<<2 )
-/* Sub leaf (%eax == 0x21) */
-#define bit_AVX512BMM ( 1<<23 )
-
/* AVX10 sub leaf (%eax == 0x24, %ecx == 1) */
/* %ecx */
#define bit_AVX10V2AUX (1 << 3)
--
2.34.1
