On 06/29/12 01:44 PM, Søren Sandmann Pedersen wrote:
> typedef enum
> {
> -NO_FEATURES = 0,
> -MMX = 0x1,
> -MMX_EXTENSIONS = 0x2,
> -SSE = 0x6,
> -SSE2 = 0x8,
> -CMOV = 0x10
> +X86_MMX = (1 << 0),
> +X86_MMX_EXTENSIONS = (1 << 1),
>
Alan Coopersmith writes:
> Don't you need to update the feature flags set in the getisax code to match
> the renaming you did to cpu_features_t ?
Yes, I do, and I also need to initialize features to 0 and reinstate the
results variable.
Thanks,
Soren
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From: Søren Sandmann Pedersen
A new function pixman_cpuid() is added that runs the cpuid instruction
and returns the results.
On GCC this function uses inline assembly that is written such that it
will work on both 32 and 64 bit. Compared to the old code, the only
difference is %ebx is saved in
