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* [gcc(refs/vendors/redhat/heads/gcc-8-branch)] x86: Handle -mavx512vpopcntdq for -march=native
@ 2020-09-17 17:03 Jakub Jelinek
0 siblings, 0 replies; only message in thread
From: Jakub Jelinek @ 2020-09-17 17:03 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:616015a7972abf1a5314c761d9bf2fac3f4628da
commit 616015a7972abf1a5314c761d9bf2fac3f4628da
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri May 22 04:18:34 2020 -0700
x86: Handle -mavx512vpopcntdq for -march=native
Add -mavx512vpopcntdq for -march=native if AVX512VPOPCNTDQ is available.
PR target/95258
* config/i386/driver-i386.c (host_detect_local_cpu): Detect
AVX512VPOPCNTDQ.
(cherry picked from commit 808b611bfb4b05703ea174e50874c711dca44c98)
Diff:
---
gcc/ChangeLog | 6 ++++++
gcc/config/i386/driver-i386.c | 6 +++++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cd75e91a042..c1fe7eb3bd1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2020-05-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/95258
+ * config/i386/driver-i386.c (host_detect_local_cpu): Detect
+ AVX512VPOPCNTDQ.
+
2020-05-21 Martin Liska <mliska@suse.cz>
* common/config/aarch64/aarch64-common.c (aarch64_handle_option):
diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c
index 704cadd8fcf..97eaf68442d 100644
--- a/gcc/config/i386/driver-i386.c
+++ b/gcc/config/i386/driver-i386.c
@@ -420,6 +420,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
unsigned int has_avx5124fmaps = 0, has_avx5124vnniw = 0;
unsigned int has_gfni = 0, has_avx512vbmi2 = 0;
unsigned int has_avx512bitalg = 0;
+ unsigned int has_avx512vpopcntdq = 0;
unsigned int has_shstk = 0;
unsigned int has_avx512vnni = 0, has_vaes = 0;
unsigned int has_vpclmulqdq = 0;
@@ -519,6 +520,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
has_vaes = ecx & bit_VAES;
has_vpclmulqdq = ecx & bit_VPCLMULQDQ;
has_avx512bitalg = ecx & bit_AVX512BITALG;
+ has_avx512vpopcntdq = ecx & bit_AVX512VPOPCNTDQ;
has_movdiri = ecx & bit_MOVDIRI;
has_movdir64b = ecx & bit_MOVDIR64B;
@@ -1098,6 +1100,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
const char *vaes = has_vaes ? " -mvaes" : " -mno-vaes";
const char *vpclmulqdq = has_vpclmulqdq ? " -mvpclmulqdq" : " -mno-vpclmulqdq";
const char *avx512bitalg = has_avx512bitalg ? " -mavx512bitalg" : " -mno-avx512bitalg";
+ const char *avx512vpopcntdq = has_avx512vpopcntdq ? " -mavx512vpopcntdq" : " -mno-avx512vpopcntdq";
const char *movdiri = has_movdiri ? " -mmovdiri" : " -mno-movdiri";
const char *movdir64b = has_movdir64b ? " -mmovdir64b" : " -mno-movdir64b";
options = concat (options, mmx, mmx3dnow, sse, sse2, sse3, ssse3,
@@ -1112,7 +1115,8 @@ const char *host_detect_local_cpu (int argc, const char **argv)
avx512ifma, avx512vbmi, avx5124fmaps, avx5124vnniw,
clwb, mwaitx, clzero, pku, rdpid, gfni, shstk,
avx512vbmi2, avx512vnni, vaes, vpclmulqdq,
- avx512bitalg, movdiri, movdir64b, NULL);
+ avx512bitalg, avx512vpopcntdq, movdiri, movdir64b,
+ NULL);
}
done:
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