On Sun, Aug 31, 2014 at 11:53:06AM +0100, Chris Wilson wrote: > On Sun, Aug 31, 2014 at 06:48:56PM +1000, Jonathan Gray wrote: > > Instead of checking for a particular version of GCC check for > > a cpuid.h with __cpuid_count. This allows cpuid.h to be > > provided for older/different compilers. > > > > Signed-off-by: Jonathan Gray <jsg@xxxxxxxxx> > > I didn't have much luck last time I tried with clang, but this seems to > still work for me, so pushed. > > To ssh://git.freedesktop.org/git/xorg/driver/xf86-video-intel > 2086965..2c564c0 master -> master > -Chris Thanks, the particular case I have in mind is adding the clang cpuid.h to gcc 4.2.1 for OpenBSD as cpuid.h is needed for Mesa and a few other things as well. http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/cpuid.h?revision=197399&view=co The clang cpuid.h has all of the functions used it just needs some small changes for bit values along the lines of the following patch. These aren't needed for xf86-video-intel and Mesa as bit values are defined in each project. --- cpuid.h.orig Sun Aug 31 22:15:36 2014 +++ cpuid.h Sun Aug 31 22:15:46 2014 @@ -44,7 +44,9 @@ #define bit_PCID 0x00020000 #define bit_DCA 0x00040000 #define bit_SSE41 0x00080000 +#define bit_SSE4_1 bit_SSE41 /* for gcc compat */ #define bit_SSE42 0x00100000 +#define bit_SSE4_2 bit_SSE42 /* for gcc compat */ #define bit_x2APIC 0x00200000 #define bit_MOVBE 0x00400000 #define bit_POPCNT 0x00800000 @@ -89,6 +91,7 @@ /* Features in %ebx for level 7 sub-leaf 0 */ #define bit_FSGSBASE 0x00000001 +#define bit_AVX2 0x00000020 #define bit_SMEP 0x00000080 #define bit_ENH_MOVSB 0x00000200 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
