https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241079
Bug ID: 241079
Summary: sys/amd64/amd64/support.S: error: Requires AVX-512 ISA
Product: Base System
Version: 12.1-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Building 12.1-BETA3 fails on my Ivy Bridge machine with `-march=native` (or
-march=ivybridge)
> cc -target x86_64-unknown-freebsd12.1
> --sysroot=/usr/obj/usr/src/amd64.amd64/tmp
> -B/usr/obj/usr/src/amd64.amd64/tmp/usr/bin -c -x assembler-with-cpp -DLOCORE
> -O2 -pipe -fno-strict-aliasing -march=native -g -nostdinc -I. -I/usr/src/sys
> -I/usr/src/sys/contrib/ck/include -I/usr/src/sys/contrib/libfdt -D_KERNEL
> -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-omit-frame-pointer
> -mno-omit-leaf-frame-pointer -MD -MF.depend.support.o -MTsupport.o
> -fdebug-prefixmap=./machine=/usr/src/sys/amd64/include
> -fdebug-prefix-map=./x86=/usr/src/sys/x86/include -mcmodel=kernel
> -mno-red-zone -mno-mmx -mno-sse -msoft-float -fno-asynchronous-unwind-tables
> -ffreestanding -fwrapv -fstack-protector -g dwarf-2 -Wall -Wredundant-decls
> -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
> -Wcast-qual -Wundef -Wno-pointer-sign -D__printf__=__freebsd_kprintf__
> -Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas
> -Wno-error-tautological-compare -Wno-error-empty-bod
y -Wno-error-parentheses-equality -Wno-error-unused-function
-Wno-error-pointer-sign -Wno-error-shift-negative-value
-Wno-address-of-packed-member -mno-aes -mno-avx -std=iso9899:1999 -Werror
/usr/src/sys/amd64/amd64/support.S
> /usr/src/sys/amd64/amd64/support.S:1821:2: error: instruction requires:
> AVX-512 ISA
> vmovdqa64 %zmm0, %gs:0x340
> ^
> /usr/src/sys/amd64/amd64/support.S:1822:2: error: instruction requires:
> AVX-512 ISA
> vpxor %zmm0, %zmm0, %zmm0
> ^
> /usr/src/sys/amd64/amd64/support.S:1825:2: error: instruction requires:
> AVX-512 DQ ISA
> vorpd (%rdx), %zmm0, %zmm0
> ^
> /usr/src/sys/amd64/amd64/support.S:1826:2: error: instruction requires:
> AVX-512 DQ ISA
> vorpd (%rdx), %zmm0, %zmm0
> ^
> /usr/src/sys/amd64/amd64/support.S:1838:2: error: instruction requires:
> AVX-512 ISA
> vmovdqa64 %gs:0x340, %zmm0
> ^
> *** [support.o] Error code 1
CPU
> $ sysctl hw.model
> hw.model: Intel(R) Core(TM) i7-3720QM CPU @ 2.60GHz
Source tree
> $ svn info
> Path: .
> Working Copy Root Path: /usr/src
> URL: https://svn.freebsd.org/base/releng/12.1
> Relative URL: ^/releng/12.1
> Repository Root: https://svn.freebsd.org/base
> Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
> Revision: 353121
> Node Kind: directory
> Schedule: normal
> Last Changed Author: markj
> Last Changed Rev: 353108
> Last Changed Date: 2019-10-04 16:36:09 +0000 (Fri, 04 Oct 2019)
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