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Wed Aug 10 16:17:38 2005 Søren Sandmann <sandmann@redhat.com>

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Add back non-SSE implementations. Define USE_SSE if the CPU is amd64/x86-64
This commit is contained in:
Søren Sandmann Pedersen 2005-08-10 20:22:57 +00:00
parent ef50bba569
commit 130fffc0cd
1 changed files with 61 additions and 0 deletions
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61
fb/fbmmx.c
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@ -36,6 +36,10 @@
#ifdef USE_MMX
#if defined(__amd64__) || defined(__x86_64__)
#define USE_SSE
#endif
#include <mmintrin.h>
#include <xmmintrin.h> /* for _mm_shuffle_pi16 and _MM_SHUFFLE */
@ -155,6 +159,8 @@ pix_add (__m64 a, __m64 b)
return _mm_adds_pu8 (a, b);
}
#ifdef USE_SSE
static __inline__ __m64
expand_alpha (__m64 pixel)
{
@ -173,6 +179,61 @@ invert_colors (__m64 pixel)
return _mm_shuffle_pi16 (pixel, _MM_SHUFFLE(3, 0, 1, 2));
}
#else
static __inline__ __m64
expand_alpha (__m64 pixel)
{
__m64 t1, t2;
t1 = shift (pixel, -48);
t2 = shift (t1, 16);
t1 = _mm_or_si64 (t1, t2);
t2 = shift (t1, 32);
t1 = _mm_or_si64 (t1, t2);
return t1;
}
static __inline__ __m64
expand_alpha_rev (__m64 pixel)
{
__m64 t1, t2;
/* move alpha to low 16 bits and zero the rest */
t1 = shift (pixel, 48);
t1 = shift (t1, -48);
t2 = shift (t1, 16);
t1 = _mm_or_si64 (t1, t2);
t2 = shift (t1, 32);
t1 = _mm_or_si64 (t1, t2);
return t1;
}
static __inline__ __m64
invert_colors (__m64 pixel)
{
__m64 x, y, z;
x = y = z = pixel;
x = _mm_and_si64 (x, MC(ffff0000ffff0000));
y = _mm_and_si64 (y, MC(000000000000ffff));
z = _mm_and_si64 (z, MC(0000ffff00000000));
y = shift (y, 32);
z = shift (z, -32);
x = _mm_or_si64 (x, y);
x = _mm_or_si64 (x, z);
return x;
}
#endif
static __inline__ __m64
over (__m64 src, __m64 srca, __m64 dest)
{