[Intel-gfx] [PATCH i-g-t] tests: Fix compilation when some gcc configurations

[Chris Wilson]

On Thu, Jul 14, 2016 at 06:31:37PM +0100, Damien Lespiau wrote:
> Depending how the gcc was compiled it may be necessary to enable SSE4
> instructions explicitly. Otherwise:
> 
>   CC       gem_gtt_speed.o
> In file included from gem_gtt_speed.c:54:0:
> /usr/lib/gcc/x86_64-linux-gnu/4.8/include/smmintrin.h:31:3: error: #error "SSE4.1 instruction set not enabled"
>  # error "SSE4.1 instruction set not enabled"

So the challenge is getting the function attribute applied to the
include.

Ah, can you try
#pragma GCC target ("sse4.1")
in those blocks instead?

> @@ -76,6 +76,7 @@ gem_ctx_basic_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
>  gem_ctx_basic_LDADD = $(LDADD) -lpthread
>  gem_ctx_thrash_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
>  gem_ctx_thrash_LDADD = $(LDADD) -lpthread
> +gem_exec_flush_CFLAGS = $(AM_CFLAGS) -msse4

Note, it should be -msse4.1
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre