[Mesa-dev] [Bug 71547] compilation failure :#error "SSE4.1 instruction set not enabled"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71547

--- Comment #3 from David "okias" Heidelberger <david.heidelberger at ixit.cz> ---
This problem is valid,

gcc version 4.8.2 
# gcc -march=native -E -v - </dev/null 2>&1 | grep cc1
 /usr/libexec/gcc/x86_64-pc-linux-gnu/4.8.2/cc1 -E -quiet -v - -march=k8-sse3
-mcx16 -msahf -mno-movbe -mno-aes -mno-pclmul -mno-popcnt -mno-abm -mno-lwp
-mno-fma -mno-fma4 -mno-xop -mno-bmi -mno-bmi2 -mno-tbm -mno-avx -mno-avx2
-mno-sse4.2 -mno-sse4.1 -mno-lzcnt -mno-rtm -mno-hle -mno-rdrnd -mno-f16c
-mno-fsgsbase -mno-rdseed -mprfchw -mno-adx -mfxsr -mno-xsave -mno-xsaveopt
--param l1-cache-size=64 --param l1-cache-line-size=64 --param
l2-cache-size=256 -mtune=k8

These are my CFLAGS. Athlon TK-55 can't use SSE4+.

In file included from main/streaming-load-memcpy.c:31:0:
/usr/lib/gcc/x86_64-pc-linux-gnu/4.8.2/include/smmintrin.h:31:3: error: #error
"SSE4.1 instruction set not enabled"
 # error "SSE4.1 instruction set not enabled"

Why there isn't ifdef, when SSE4.1 is not available?

I can workaround it, but these CFLAGS are fully valid for my CPU.

Thank you

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