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From: H.J. Lu <hjl@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r13-1074] x86: Require AVX for F16C and VAES
Date: Mon, 13 Jun 2022 20:27:55 +0000 (GMT) [thread overview]
Message-ID: <20220613202755.C5ABC385780F@sourceware.org> (raw)
https://gcc.gnu.org/g:751f306688508b08842d0ab967dee8e6c3b91351
commit r13-1074-g751f306688508b08842d0ab967dee8e6c3b91351
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Jun 10 11:22:00 2022 -0700
x86: Require AVX for F16C and VAES
Since F16C and VAES are only usable with AVX, require AVX for F16C and
VAES.
libgcc/105920
* common/config/i386/cpuinfo.h (get_available_features): Require
AVX for F16C and VAES.
Diff:
---
gcc/common/config/i386/cpuinfo.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/gcc/common/config/i386/cpuinfo.h b/gcc/common/config/i386/cpuinfo.h
index adc02bc3d98..bbced8a23b9 100644
--- a/gcc/common/config/i386/cpuinfo.h
+++ b/gcc/common/config/i386/cpuinfo.h
@@ -651,8 +651,6 @@ get_available_features (struct __processor_model *cpu_model,
set_feature (FEATURE_MOVBE);
if (ecx & bit_AES)
set_feature (FEATURE_AES);
- if (ecx & bit_F16C)
- set_feature (FEATURE_F16C);
if (ecx & bit_RDRND)
set_feature (FEATURE_RDRND);
if (ecx & bit_XSAVE)
@@ -663,6 +661,8 @@ get_available_features (struct __processor_model *cpu_model,
set_feature (FEATURE_AVX);
if (ecx & bit_FMA)
set_feature (FEATURE_FMA);
+ if (ecx & bit_F16C)
+ set_feature (FEATURE_F16C);
}
/* Get Advanced Features at level 7 (eax = 7, ecx = 0/1). */
@@ -683,6 +683,8 @@ get_available_features (struct __processor_model *cpu_model,
set_feature (FEATURE_AVX2);
if (ecx & bit_VPCLMULQDQ)
set_feature (FEATURE_VPCLMULQDQ);
+ if (ecx & bit_VAES)
+ set_feature (FEATURE_VAES);
}
if (ebx & bit_BMI2)
set_feature (FEATURE_BMI2);
@@ -705,8 +707,6 @@ get_available_features (struct __processor_model *cpu_model,
set_feature (FEATURE_PKU);
if (ecx & bit_RDPID)
set_feature (FEATURE_RDPID);
- if (ecx & bit_VAES)
- set_feature (FEATURE_VAES);
if (ecx & bit_GFNI)
set_feature (FEATURE_GFNI);
if (ecx & bit_MOVDIRI)
reply other threads:[~2022-06-13 20:27 UTC|newest]
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