[Bug 241079] WITHOUT_CROSS_COMPILER buildworld broken on amd64 with non-AVX-512 CPU

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241079

Armin Pirkovitsch <sperber at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sperber at FreeBSD.org

--- Comment #2 from Armin Pirkovitsch <sperber at FreeBSD.org> ---
Similar problem here - however changing WITHOUT_CROSS_COMPILER sadly changes
nothing.
CPUs: 2x Xeon E5-2620 v4
12.0-p12 installed
stable/12 and releng/12.1 both fail to build with the same error that was
posted before.

And there ist no '-march=...' argument in my case.


> 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  -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-prefix-map=./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 -gdwarf-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-body -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:1815:2: error: instruction requires: AVX-512 ISA
>  vmovdqa64 %zmm0, %gs:0x340
>  ^
> /usr/src/sys/amd64/amd64/support.S:1816:2: error: instruction requires: AVX-512 ISA
>  vpxor %zmm0, %zmm0, %zmm0
>  ^
> /usr/src/sys/amd64/amd64/support.S:1819:2: error: instruction requires: AVX-512 DQ ISA
>  vorpd (%rdx), %zmm0, %zmm0
>  ^
> /usr/src/sys/amd64/amd64/support.S:1820:2: error: instruction requires: AVX-512 DQ ISA
>  vorpd (%rdx), %zmm0, %zmm0
>  ^
> /usr/src/sys/amd64/amd64/support.S:1832:2: error: instruction requires: AVX-512 ISA
>  vmovdqa64 %gs:0x340, %zmm0
>  ^
> *** [support.o] Error code 1

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