The Tor Browser: gfx/cairo/libpixman/src/pixman-mmx.c@6474c204b198 (annotated)

gfx/cairo/libpixman/src/pixman-mmx.c@6474c204b198 (annotated)

gfx/cairo/libpixman/src/pixman-mmx.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * Copyright © 2004, 2005 Red Hat, Inc.
  * Copyright © 2004 Nicholas Miell
  * Copyright © 2005 Trolltech AS
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
  * the above copyright notice appear in all copies and that both that
  * copyright notice and this permission notice appear in supporting
  * documentation, and that the name of Red Hat not be used in advertising or
  * publicity pertaining to distribution of the software without specific,
  * written prior permission.  Red Hat makes no representations about the
  * suitability of this software for any purpose.  It is provided "as is"
  * without express or implied warranty.
  *
  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  * SOFTWARE.
  *
  * Author:  Søren Sandmann (sandmann@redhat.com)
  * Minor Improvements: Nicholas Miell (nmiell@gmail.com)
  * MMX code paths for fbcompose.c by Lars Knoll (lars@trolltech.com)
  *
  * Based on work by Owen Taylor
  */
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
 #if defined USE_X86_MMX || defined USE_ARM_IWMMXT || defined USE_LOONGSON_MMI
 #ifdef USE_LOONGSON_MMI
 #include <loongson-mmintrin.h>
 #else
 #include <mmintrin.h>
 #endif
 #include "pixman-private.h"
 #include "pixman-combine32.h"
 #include "pixman-inlines.h"
 #define no_vERBOSE
 #ifdef VERBOSE
 #define CHECKPOINT() error_f ("at %s %d\n", __FUNCTION__, __LINE__)
 #else
 #define CHECKPOINT()
 #endif
 #if defined USE_ARM_IWMMXT && __GNUC__ == 4 && __GNUC_MINOR__ < 8
 /* Empty the multimedia state. For some reason, ARM's mmintrin.h doesn't provide this.  */
 extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_empty (void)
 {
 }
 #endif
 #ifdef USE_X86_MMX
 # if (defined(__SUNPRO_C) || defined(_MSC_VER) || defined(_WIN64))
 #  include <xmmintrin.h>
 # else
 /* We have to compile with -msse to use xmmintrin.h, but that causes SSE
  * instructions to be generated that we don't want. Just duplicate the
  * functions we want to use.  */
 extern __inline int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_movemask_pi8 (__m64 __A)
 {
     int ret;
     asm ("pmovmskb %1, %0\n\t"
 	: "=r" (ret)
 	: "y" (__A)
     );
     return ret;
 }
 extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_mulhi_pu16 (__m64 __A, __m64 __B)
 {
     asm ("pmulhuw %1, %0\n\t"
 	: "+y" (__A)
 	: "y" (__B)
     );
     return __A;
 }
 #  ifdef __OPTIMIZE__
 extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 _mm_shuffle_pi16 (__m64 __A, int8_t const __N)
 {
     __m64 ret;
     asm ("pshufw %2, %1, %0\n\t"
 	: "=y" (ret)
 	: "y" (__A), "K" (__N)
     );
     return ret;
 }
 #  else
 #   define _mm_shuffle_pi16(A, N)					\
     ({									\
 	__m64 ret;							\
 									\
 	asm ("pshufw %2, %1, %0\n\t"					\
 	     : "=y" (ret)						\
 	     : "y" (A), "K" ((const int8_t)N)				\
 	);								\
 									\
 	ret;								\
     })
 #  endif
 # endif
 #endif
 #ifndef _MSC_VER
 #define _MM_SHUFFLE(fp3,fp2,fp1,fp0) \
  (((fp3) << 6) | ((fp2) << 4) | ((fp1) << 2) | (fp0))
 #endif
 /* Notes about writing mmx code
  *
  * give memory operands as the second operand. If you give it as the
  * first, gcc will first load it into a register, then use that
  * register
  *
  *   ie. use
  *
  *         _mm_mullo_pi16 (x, mmx_constant);
  *
  *   not
  *
  *         _mm_mullo_pi16 (mmx_constant, x);
  *
  * Also try to minimize dependencies. i.e. when you need a value, try
  * to calculate it from a value that was calculated as early as
  * possible.
  */
 /* --------------- MMX primitives ------------------------------------- */
 /* If __m64 is defined as a struct or union, then define M64_MEMBER to be
  * the name of the member used to access the data.
  * If __m64 requires using mm_cvt* intrinsics functions to convert between
  * uint64_t and __m64 values, then define USE_CVT_INTRINSICS.
  * If __m64 and uint64_t values can just be cast to each other directly,
  * then define USE_M64_CASTS.
  * If __m64 is a double datatype, then define USE_M64_DOUBLE.
  */
 #ifdef _MSC_VER
 # define M64_MEMBER m64_u64
 #elif defined(__ICC)
 # define USE_CVT_INTRINSICS
 #elif defined(USE_LOONGSON_MMI)
 # define USE_M64_DOUBLE
 #elif defined(__GNUC__)
 # define USE_M64_CASTS
 #elif defined(__SUNPRO_C)
 # if (__SUNPRO_C >= 0x5120) && !defined(__NOVECTORSIZE__)
 /* Solaris Studio 12.3 (Sun C 5.12) introduces __attribute__(__vector_size__)
  * support, and defaults to using it to define __m64, unless __NOVECTORSIZE__
  * is defined.   If it is used, then the mm_cvt* intrinsics must be used.
  */
 #  define USE_CVT_INTRINSICS
 # else
 /* For Studio 12.2 or older, or when __attribute__(__vector_size__) is
  * disabled, __m64 is defined as a struct containing "unsigned long long l_".
  */
 #  define M64_MEMBER l_
 # endif
 #endif
 #if defined(USE_M64_CASTS) || defined(USE_CVT_INTRINSICS) || defined(USE_M64_DOUBLE)
 typedef uint64_t mmxdatafield;
 #else
 typedef __m64 mmxdatafield;
 #endif
 typedef struct
 {
     mmxdatafield mmx_4x00ff;
     mmxdatafield mmx_4x0080;
     mmxdatafield mmx_565_rgb;
     mmxdatafield mmx_565_unpack_multiplier;
     mmxdatafield mmx_565_pack_multiplier;
     mmxdatafield mmx_565_r;
     mmxdatafield mmx_565_g;
     mmxdatafield mmx_565_b;
     mmxdatafield mmx_packed_565_rb;
     mmxdatafield mmx_packed_565_g;
     mmxdatafield mmx_expand_565_g;
     mmxdatafield mmx_expand_565_b;
     mmxdatafield mmx_expand_565_r;
 #ifndef USE_LOONGSON_MMI
     mmxdatafield mmx_mask_0;
     mmxdatafield mmx_mask_1;
     mmxdatafield mmx_mask_2;
     mmxdatafield mmx_mask_3;
 #endif
     mmxdatafield mmx_full_alpha;
     mmxdatafield mmx_4x0101;
     mmxdatafield mmx_ff000000;
 } mmx_data_t;
 #if defined(_MSC_VER)
 # define MMXDATA_INIT(field, val) { val ## UI64 }
 #elif defined(M64_MEMBER)       /* __m64 is a struct, not an integral type */
 # define MMXDATA_INIT(field, val) field =   { val ## ULL }
 #else                           /* mmxdatafield is an integral type */
 # define MMXDATA_INIT(field, val) field =   val ## ULL
 #endif
 static const mmx_data_t c =
 {
     MMXDATA_INIT (.mmx_4x00ff,                   0x00ff00ff00ff00ff),
     MMXDATA_INIT (.mmx_4x0080,                   0x0080008000800080),
     MMXDATA_INIT (.mmx_565_rgb,                  0x000001f0003f001f),
     MMXDATA_INIT (.mmx_565_unpack_multiplier,    0x0000008404100840),
     MMXDATA_INIT (.mmx_565_pack_multiplier,      0x2000000420000004),
     MMXDATA_INIT (.mmx_565_r,                    0x000000f800000000),
     MMXDATA_INIT (.mmx_565_g,                    0x0000000000fc0000),
     MMXDATA_INIT (.mmx_565_b,                    0x00000000000000f8),
     MMXDATA_INIT (.mmx_packed_565_rb,            0x00f800f800f800f8),
     MMXDATA_INIT (.mmx_packed_565_g,             0x0000fc000000fc00),
     MMXDATA_INIT (.mmx_expand_565_g,             0x07e007e007e007e0),
     MMXDATA_INIT (.mmx_expand_565_b,             0x001f001f001f001f),
     MMXDATA_INIT (.mmx_expand_565_r,             0xf800f800f800f800),
 #ifndef USE_LOONGSON_MMI
     MMXDATA_INIT (.mmx_mask_0,                   0xffffffffffff0000),
     MMXDATA_INIT (.mmx_mask_1,                   0xffffffff0000ffff),
     MMXDATA_INIT (.mmx_mask_2,                   0xffff0000ffffffff),
     MMXDATA_INIT (.mmx_mask_3,                   0x0000ffffffffffff),
 #endif
     MMXDATA_INIT (.mmx_full_alpha,               0x00ff000000000000),
     MMXDATA_INIT (.mmx_4x0101,                   0x0101010101010101),
     MMXDATA_INIT (.mmx_ff000000,                 0xff000000ff000000),
 };
 #ifdef USE_CVT_INTRINSICS
 #    define MC(x) to_m64 (c.mmx_ ## x)
 #elif defined(USE_M64_CASTS)
 #    define MC(x) ((__m64)c.mmx_ ## x)
 #elif defined(USE_M64_DOUBLE)
 #    define MC(x) (*(__m64 *)&c.mmx_ ## x)
 #else
 #    define MC(x) c.mmx_ ## x
 #endif
 static force_inline __m64
 to_m64 (uint64_t x)
 {
 #ifdef USE_CVT_INTRINSICS
     return _mm_cvtsi64_m64 (x);
 #elif defined M64_MEMBER        /* __m64 is a struct, not an integral type */
     __m64 res;
     res.M64_MEMBER = x;
     return res;
 #elif defined USE_M64_DOUBLE
     return *(__m64 *)&x;
 #else /* USE_M64_CASTS */
     return (__m64)x;
 #endif
 }
 static force_inline uint64_t
 to_uint64 (__m64 x)
 {
 #ifdef USE_CVT_INTRINSICS
     return _mm_cvtm64_si64 (x);
 #elif defined M64_MEMBER        /* __m64 is a struct, not an integral type */
     uint64_t res = x.M64_MEMBER;
     return res;
 #elif defined USE_M64_DOUBLE
     return *(uint64_t *)&x;
 #else /* USE_M64_CASTS */
     return (uint64_t)x;
 #endif
 }
 static force_inline __m64
 shift (__m64 v,
        int   s)
 {
     if (s > 0)
 	return _mm_slli_si64 (v, s);
     else if (s < 0)
 	return _mm_srli_si64 (v, -s);
     else
 	return v;
 }
 static force_inline __m64
 negate (__m64 mask)
 {
     return _mm_xor_si64 (mask, MC (4x00ff));
 }
 static force_inline __m64
 pix_multiply (__m64 a, __m64 b)
 {
     __m64 res;
     res = _mm_mullo_pi16 (a, b);
     res = _mm_adds_pu16 (res, MC (4x0080));
     res = _mm_mulhi_pu16 (res, MC (4x0101));
     return res;
 }
 static force_inline __m64
 pix_add (__m64 a, __m64 b)
 {
     return _mm_adds_pu8 (a, b);
 }
 static force_inline __m64
 expand_alpha (__m64 pixel)
 {
     return _mm_shuffle_pi16 (pixel, _MM_SHUFFLE (3, 3, 3, 3));
 }
 static force_inline __m64
 expand_alpha_rev (__m64 pixel)
 {
     return _mm_shuffle_pi16 (pixel, _MM_SHUFFLE (0, 0, 0, 0));
 }
 static force_inline __m64
 invert_colors (__m64 pixel)
 {
     return _mm_shuffle_pi16 (pixel, _MM_SHUFFLE (3, 0, 1, 2));
 }
 static force_inline __m64
 over (__m64 src,
       __m64 srca,
       __m64 dest)
 {
     return _mm_adds_pu8 (src, pix_multiply (dest, negate (srca)));
 }
 static force_inline __m64
 over_rev_non_pre (__m64 src, __m64 dest)
 {
     __m64 srca = expand_alpha (src);
     __m64 srcfaaa = _mm_or_si64 (srca, MC (full_alpha));
     return over (pix_multiply (invert_colors (src), srcfaaa), srca, dest);
 }
 static force_inline __m64
 in (__m64 src, __m64 mask)
 {
     return pix_multiply (src, mask);
 }
 #ifndef _MSC_VER
 static force_inline __m64
 in_over (__m64 src, __m64 srca, __m64 mask, __m64 dest)
 {
     return over (in (src, mask), pix_multiply (srca, mask), dest);
 }
 #else
 #define in_over(src, srca, mask, dest)					\
     over (in (src, mask), pix_multiply (srca, mask), dest)
 #endif
 /* Elemental unaligned loads */
 static force_inline __m64 ldq_u(__m64 *p)
 {
 #ifdef USE_X86_MMX
     /* x86's alignment restrictions are very relaxed. */
     return *(__m64 *)p;
 #elif defined USE_ARM_IWMMXT
     int align = (uintptr_t)p & 7;
     __m64 *aligned_p;
     if (align == 0)
 	return *p;
     aligned_p = (__m64 *)((uintptr_t)p & ~7);
     return (__m64) _mm_align_si64 (aligned_p[0], aligned_p[1], align);
 #else
     struct __una_u64 { __m64 x __attribute__((packed)); };
     const struct __una_u64 *ptr = (const struct __una_u64 *) p;
     return (__m64) ptr->x;
 #endif
 }
 static force_inline uint32_t ldl_u(const uint32_t *p)
 {
 #ifdef USE_X86_MMX
     /* x86's alignment restrictions are very relaxed. */
     return *p;
 #else
     struct __una_u32 { uint32_t x __attribute__((packed)); };
     const struct __una_u32 *ptr = (const struct __una_u32 *) p;
     return ptr->x;
 #endif
 }
 static force_inline __m64
 load (const uint32_t *v)
 {
 #ifdef USE_LOONGSON_MMI
     __m64 ret;
     asm ("lwc1 %0, %1\n\t"
 	: "=f" (ret)
 	: "m" (*v)
     );
     return ret;
 #else
     return _mm_cvtsi32_si64 (*v);
 #endif
 }
 static force_inline __m64
 load8888 (const uint32_t *v)
 {
 #ifdef USE_LOONGSON_MMI
     return _mm_unpacklo_pi8_f (*(__m32 *)v, _mm_setzero_si64 ());
 #else
     return _mm_unpacklo_pi8 (load (v), _mm_setzero_si64 ());
 #endif
 }
 static force_inline __m64
 load8888u (const uint32_t *v)
 {
     uint32_t l = ldl_u (v);
     return load8888 (&l);
 }
 static force_inline __m64
 pack8888 (__m64 lo, __m64 hi)
 {
     return _mm_packs_pu16 (lo, hi);
 }
 static force_inline void
 store (uint32_t *dest, __m64 v)
 {
 #ifdef USE_LOONGSON_MMI
     asm ("swc1 %1, %0\n\t"
 	: "=m" (*dest)
 	: "f" (v)
 	: "memory"
     );
 #else
     *dest = _mm_cvtsi64_si32 (v);
 #endif
 }
 static force_inline void
 store8888 (uint32_t *dest, __m64 v)
 {
     v = pack8888 (v, _mm_setzero_si64 ());
     store (dest, v);
 }
 static force_inline pixman_bool_t
 is_equal (__m64 a, __m64 b)
 {
 #ifdef USE_LOONGSON_MMI
     /* __m64 is double, we can compare directly. */
     return a == b;
 #else
     return _mm_movemask_pi8 (_mm_cmpeq_pi8 (a, b)) == 0xff;
 #endif
 }
 static force_inline pixman_bool_t
 is_opaque (__m64 v)
 {
 #ifdef USE_LOONGSON_MMI
     return is_equal (_mm_and_si64 (v, MC (full_alpha)), MC (full_alpha));
 #else
     __m64 ffs = _mm_cmpeq_pi8 (v, v);
     return (_mm_movemask_pi8 (_mm_cmpeq_pi8 (v, ffs)) & 0x40);
 #endif
 }
 static force_inline pixman_bool_t
 is_zero (__m64 v)
 {
     return is_equal (v, _mm_setzero_si64 ());
 }
 /* Expand 16 bits positioned at @pos (0-3) of a mmx register into
  *
  *    00RR00GG00BB
  *
  * --- Expanding 565 in the low word ---
  *
  * m = (m << (32 - 3)) | (m << (16 - 5)) | m;
  * m = m & (01f0003f001f);
  * m = m * (008404100840);
  * m = m >> 8;
  *
  * Note the trick here - the top word is shifted by another nibble to
  * avoid it bumping into the middle word
  */
 static force_inline __m64
 expand565 (__m64 pixel, int pos)
 {
     __m64 p = pixel;
     __m64 t1, t2;
     /* move pixel to low 16 bit and zero the rest */
 #ifdef USE_LOONGSON_MMI
     p = loongson_extract_pi16 (p, pos);
 #else
     p = shift (shift (p, (3 - pos) * 16), -48);
 #endif
     t1 = shift (p, 36 - 11);
     t2 = shift (p, 16 - 5);
     p = _mm_or_si64 (t1, p);
     p = _mm_or_si64 (t2, p);
     p = _mm_and_si64 (p, MC (565_rgb));
     pixel = _mm_mullo_pi16 (p, MC (565_unpack_multiplier));
     return _mm_srli_pi16 (pixel, 8);
 }
 /* Expand 4 16 bit pixels in an mmx register into two mmx registers of
  *
  *    AARRGGBBRRGGBB
  */
 static force_inline void
 expand_4xpacked565 (__m64 vin, __m64 *vout0, __m64 *vout1, int full_alpha)
 {
     __m64 t0, t1, alpha = _mm_setzero_si64 ();
     __m64 r = _mm_and_si64 (vin, MC (expand_565_r));
     __m64 g = _mm_and_si64 (vin, MC (expand_565_g));
     __m64 b = _mm_and_si64 (vin, MC (expand_565_b));
     if (full_alpha)
 	alpha = _mm_cmpeq_pi32 (alpha, alpha);
     /* Replicate high bits into empty low bits. */
     r = _mm_or_si64 (_mm_srli_pi16 (r, 8), _mm_srli_pi16 (r, 13));
     g = _mm_or_si64 (_mm_srli_pi16 (g, 3), _mm_srli_pi16 (g, 9));
     b = _mm_or_si64 (_mm_slli_pi16 (b, 3), _mm_srli_pi16 (b, 2));
     r = _mm_packs_pu16 (r, _mm_setzero_si64 ());	/* 00 00 00 00 R3 R2 R1 R0 */
     g = _mm_packs_pu16 (g, _mm_setzero_si64 ());	/* 00 00 00 00 G3 G2 G1 G0 */
     b = _mm_packs_pu16 (b, _mm_setzero_si64 ());	/* 00 00 00 00 B3 B2 B1 B0 */
     t1 = _mm_unpacklo_pi8 (r, alpha);			/* A3 R3 A2 R2 A1 R1 A0 R0 */
     t0 = _mm_unpacklo_pi8 (b, g);			/* G3 B3 G2 B2 G1 B1 G0 B0 */
     *vout0 = _mm_unpacklo_pi16 (t0, t1);		/* A1 R1 G1 B1 A0 R0 G0 B0 */
     *vout1 = _mm_unpackhi_pi16 (t0, t1);		/* A3 R3 G3 B3 A2 R2 G2 B2 */
 }
 static force_inline __m64
 expand8888 (__m64 in, int pos)
 {
     if (pos == 0)
 	return _mm_unpacklo_pi8 (in, _mm_setzero_si64 ());
     else
 	return _mm_unpackhi_pi8 (in, _mm_setzero_si64 ());
 }
 static force_inline __m64
 expandx888 (__m64 in, int pos)
 {
     return _mm_or_si64 (expand8888 (in, pos), MC (full_alpha));
 }
 static force_inline void
 expand_4x565 (__m64 vin, __m64 *vout0, __m64 *vout1, __m64 *vout2, __m64 *vout3, int full_alpha)
 {
     __m64 v0, v1;
     expand_4xpacked565 (vin, &v0, &v1, full_alpha);
     *vout0 = expand8888 (v0, 0);
     *vout1 = expand8888 (v0, 1);
     *vout2 = expand8888 (v1, 0);
     *vout3 = expand8888 (v1, 1);
 }
 static force_inline __m64
 pack_565 (__m64 pixel, __m64 target, int pos)
 {
     __m64 p = pixel;
     __m64 t = target;
     __m64 r, g, b;
     r = _mm_and_si64 (p, MC (565_r));
     g = _mm_and_si64 (p, MC (565_g));
     b = _mm_and_si64 (p, MC (565_b));
 #ifdef USE_LOONGSON_MMI
     r = shift (r, -(32 - 8));
     g = shift (g, -(16 - 3));
     b = shift (b, -(0  + 3));
     p = _mm_or_si64 (r, g);
     p = _mm_or_si64 (p, b);
     return loongson_insert_pi16 (t, p, pos);
 #else
     r = shift (r, -(32 - 8) + pos * 16);
     g = shift (g, -(16 - 3) + pos * 16);
     b = shift (b, -(0  + 3) + pos * 16);
     if (pos == 0)
 	t = _mm_and_si64 (t, MC (mask_0));
     else if (pos == 1)
 	t = _mm_and_si64 (t, MC (mask_1));
     else if (pos == 2)
 	t = _mm_and_si64 (t, MC (mask_2));
     else if (pos == 3)
 	t = _mm_and_si64 (t, MC (mask_3));
     p = _mm_or_si64 (r, t);
     p = _mm_or_si64 (g, p);
     return _mm_or_si64 (b, p);
 #endif
 }
 static force_inline __m64
 pack_4xpacked565 (__m64 a, __m64 b)
 {
     __m64 rb0 = _mm_and_si64 (a, MC (packed_565_rb));
     __m64 rb1 = _mm_and_si64 (b, MC (packed_565_rb));
     __m64 t0 = _mm_madd_pi16 (rb0, MC (565_pack_multiplier));
     __m64 t1 = _mm_madd_pi16 (rb1, MC (565_pack_multiplier));
     __m64 g0 = _mm_and_si64 (a, MC (packed_565_g));
     __m64 g1 = _mm_and_si64 (b, MC (packed_565_g));
     t0 = _mm_or_si64 (t0, g0);
     t1 = _mm_or_si64 (t1, g1);
     t0 = shift(t0, -5);
 #ifdef USE_ARM_IWMMXT
     t1 = shift(t1, -5);
     return _mm_packs_pu32 (t0, t1);
 #else
     t1 = shift(t1, -5 + 16);
     return _mm_shuffle_pi16 (_mm_or_si64 (t0, t1), _MM_SHUFFLE (3, 1, 2, 0));
 #endif
 }
 #ifndef _MSC_VER
 static force_inline __m64
 pack_4x565 (__m64 v0, __m64 v1, __m64 v2, __m64 v3)
 {
     return pack_4xpacked565 (pack8888 (v0, v1), pack8888 (v2, v3));
 }
 static force_inline __m64
 pix_add_mul (__m64 x, __m64 a, __m64 y, __m64 b)
 {
     x = pix_multiply (x, a);
     y = pix_multiply (y, b);
     return pix_add (x, y);
 }
 #else
 /* MSVC only handles a "pass by register" of up to three SSE intrinsics */
 #define pack_4x565(v0, v1, v2, v3) \
     pack_4xpacked565 (pack8888 (v0, v1), pack8888 (v2, v3))
 #define pix_add_mul(x, a, y, b)	 \
     ( x = pix_multiply (x, a),	 \
       y = pix_multiply (y, b),	 \
       pix_add (x, y) )
 #endif
 /* --------------- MMX code patch for fbcompose.c --------------------- */
 static force_inline __m64
 combine (const uint32_t *src, const uint32_t *mask)
 {
     __m64 vsrc = load8888 (src);
     if (mask)
     {
 	__m64 m = load8888 (mask);
 	m = expand_alpha (m);
 	vsrc = pix_multiply (vsrc, m);
     }
     return vsrc;
 }
 static force_inline __m64
 core_combine_over_u_pixel_mmx (__m64 vsrc, __m64 vdst)
 {
     vsrc = _mm_unpacklo_pi8 (vsrc, _mm_setzero_si64 ());
     if (is_opaque (vsrc))
     {
 	return vsrc;
     }
     else if (!is_zero (vsrc))
     {
 	return over (vsrc, expand_alpha (vsrc),
 		     _mm_unpacklo_pi8 (vdst, _mm_setzero_si64 ()));
     }
     return _mm_unpacklo_pi8 (vdst, _mm_setzero_si64 ());
 }
 static void
 mmx_combine_over_u (pixman_implementation_t *imp,
                     pixman_op_t              op,
                     uint32_t *               dest,
                     const uint32_t *         src,
                     const uint32_t *         mask,
                     int                      width)
 {
     const uint32_t *end = dest + width;
     while (dest < end)
     {
 	__m64 vsrc = combine (src, mask);
 	if (is_opaque (vsrc))
 	{
 	    store8888 (dest, vsrc);
 	}
 	else if (!is_zero (vsrc))
 	{
 	    __m64 sa = expand_alpha (vsrc);
 	    store8888 (dest, over (vsrc, sa, load8888 (dest)));
 	}
 	++dest;
 	++src;
 	if (mask)
 	    ++mask;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_over_reverse_u (pixman_implementation_t *imp,
                             pixman_op_t              op,
                             uint32_t *               dest,
                             const uint32_t *         src,
                             const uint32_t *         mask,
                             int                      width)
 {
     const uint32_t *end = dest + width;
     while (dest < end)
     {
 	__m64 d, da;
 	__m64 s = combine (src, mask);
 	d = load8888 (dest);
 	da = expand_alpha (d);
 	store8888 (dest, over (d, da, s));
 	++dest;
 	++src;
 	if (mask)
 	    mask++;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_in_u (pixman_implementation_t *imp,
                   pixman_op_t              op,
                   uint32_t *               dest,
                   const uint32_t *         src,
                   const uint32_t *         mask,
                   int                      width)
 {
     const uint32_t *end = dest + width;
     while (dest < end)
     {
 	__m64 a;
 	__m64 x = combine (src, mask);
 	a = load8888 (dest);
 	a = expand_alpha (a);
 	x = pix_multiply (x, a);
 	store8888 (dest, x);
 	++dest;
 	++src;
 	if (mask)
 	    mask++;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_in_reverse_u (pixman_implementation_t *imp,
                           pixman_op_t              op,
                           uint32_t *               dest,
                           const uint32_t *         src,
                           const uint32_t *         mask,
                           int                      width)
 {
     const uint32_t *end = dest + width;
     while (dest < end)
     {
 	__m64 a = combine (src, mask);
 	__m64 x;
 	x = load8888 (dest);
 	a = expand_alpha (a);
 	x = pix_multiply (x, a);
 	store8888 (dest, x);
 	++dest;
 	++src;
 	if (mask)
 	    mask++;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_out_u (pixman_implementation_t *imp,
                    pixman_op_t              op,
                    uint32_t *               dest,
                    const uint32_t *         src,
                    const uint32_t *         mask,
                    int                      width)
 {
     const uint32_t *end = dest + width;
     while (dest < end)
     {
 	__m64 a;
 	__m64 x = combine (src, mask);
 	a = load8888 (dest);
 	a = expand_alpha (a);
 	a = negate (a);
 	x = pix_multiply (x, a);
 	store8888 (dest, x);
 	++dest;
 	++src;
 	if (mask)
 	    mask++;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_out_reverse_u (pixman_implementation_t *imp,
                            pixman_op_t              op,
                            uint32_t *               dest,
                            const uint32_t *         src,
                            const uint32_t *         mask,
                            int                      width)
 {
     const uint32_t *end = dest + width;
     while (dest < end)
     {
 	__m64 a = combine (src, mask);
 	__m64 x;
 	x = load8888 (dest);
 	a = expand_alpha (a);
 	a = negate (a);
 	x = pix_multiply (x, a);
 	store8888 (dest, x);
 	++dest;
 	++src;
 	if (mask)
 	    mask++;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_atop_u (pixman_implementation_t *imp,
                     pixman_op_t              op,
                     uint32_t *               dest,
                     const uint32_t *         src,
                     const uint32_t *         mask,
                     int                      width)
 {
     const uint32_t *end = dest + width;
     while (dest < end)
     {
 	__m64 da, d, sia;
 	__m64 s = combine (src, mask);
 	d = load8888 (dest);
 	sia = expand_alpha (s);
 	sia = negate (sia);
 	da = expand_alpha (d);
 	s = pix_add_mul (s, da, d, sia);
 	store8888 (dest, s);
 	++dest;
 	++src;
 	if (mask)
 	    mask++;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_atop_reverse_u (pixman_implementation_t *imp,
                             pixman_op_t              op,
                             uint32_t *               dest,
                             const uint32_t *         src,
                             const uint32_t *         mask,
                             int                      width)
 {
     const uint32_t *end;
     end = dest + width;
     while (dest < end)
     {
 	__m64 dia, d, sa;
 	__m64 s = combine (src, mask);
 	d = load8888 (dest);
 	sa = expand_alpha (s);
 	dia = expand_alpha (d);
 	dia = negate (dia);
 	s = pix_add_mul (s, dia, d, sa);
 	store8888 (dest, s);
 	++dest;
 	++src;
 	if (mask)
 	    mask++;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_xor_u (pixman_implementation_t *imp,
                    pixman_op_t              op,
                    uint32_t *               dest,
                    const uint32_t *         src,
                    const uint32_t *         mask,
                    int                      width)
 {
     const uint32_t *end = dest + width;
     while (dest < end)
     {
 	__m64 dia, d, sia;
 	__m64 s = combine (src, mask);
 	d = load8888 (dest);
 	sia = expand_alpha (s);
 	dia = expand_alpha (d);
 	sia = negate (sia);
 	dia = negate (dia);
 	s = pix_add_mul (s, dia, d, sia);
 	store8888 (dest, s);
 	++dest;
 	++src;
 	if (mask)
 	    mask++;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_add_u (pixman_implementation_t *imp,
                    pixman_op_t              op,
                    uint32_t *               dest,
                    const uint32_t *         src,
                    const uint32_t *         mask,
                    int                      width)
 {
     const uint32_t *end = dest + width;
     while (dest < end)
     {
 	__m64 d;
 	__m64 s = combine (src, mask);
 	d = load8888 (dest);
 	s = pix_add (s, d);
 	store8888 (dest, s);
 	++dest;
 	++src;
 	if (mask)
 	    mask++;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_saturate_u (pixman_implementation_t *imp,
                         pixman_op_t              op,
                         uint32_t *               dest,
                         const uint32_t *         src,
                         const uint32_t *         mask,
                         int                      width)
 {
     const uint32_t *end = dest + width;
     while (dest < end)
     {
 	uint32_t s, sa, da;
 	uint32_t d = *dest;
 	__m64 ms = combine (src, mask);
 	__m64 md = load8888 (dest);
 	store8888(&s, ms);
 	da = ~d >> 24;
 	sa = s >> 24;
 	if (sa > da)
 	{
 	    uint32_t quot = DIV_UN8 (da, sa) << 24;
 	    __m64 msa = load8888 (&quot);
 	    msa = expand_alpha (msa);
 	    ms = pix_multiply (ms, msa);
 	}
 	md = pix_add (md, ms);
 	store8888 (dest, md);
 	++src;
 	++dest;
 	if (mask)
 	    mask++;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_src_ca (pixman_implementation_t *imp,
                     pixman_op_t              op,
                     uint32_t *               dest,
                     const uint32_t *         src,
                     const uint32_t *         mask,
                     int                      width)
 {
     const uint32_t *end = src + width;
     while (src < end)
     {
 	__m64 a = load8888 (mask);
 	__m64 s = load8888 (src);
 	s = pix_multiply (s, a);
 	store8888 (dest, s);
 	++src;
 	++mask;
 	++dest;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_over_ca (pixman_implementation_t *imp,
                      pixman_op_t              op,
                      uint32_t *               dest,
                      const uint32_t *         src,
                      const uint32_t *         mask,
                      int                      width)
 {
     const uint32_t *end = src + width;
     while (src < end)
     {
 	__m64 a = load8888 (mask);
 	__m64 s = load8888 (src);
 	__m64 d = load8888 (dest);
 	__m64 sa = expand_alpha (s);
 	store8888 (dest, in_over (s, sa, a, d));
 	++src;
 	++dest;
 	++mask;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_over_reverse_ca (pixman_implementation_t *imp,
                              pixman_op_t              op,
                              uint32_t *               dest,
                              const uint32_t *         src,
                              const uint32_t *         mask,
                              int                      width)
 {
     const uint32_t *end = src + width;
     while (src < end)
     {
 	__m64 a = load8888 (mask);
 	__m64 s = load8888 (src);
 	__m64 d = load8888 (dest);
 	__m64 da = expand_alpha (d);
 	store8888 (dest, over (d, da, in (s, a)));
 	++src;
 	++dest;
 	++mask;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_in_ca (pixman_implementation_t *imp,
                    pixman_op_t              op,
                    uint32_t *               dest,
                    const uint32_t *         src,
                    const uint32_t *         mask,
                    int                      width)
 {
     const uint32_t *end = src + width;
     while (src < end)
     {
 	__m64 a = load8888 (mask);
 	__m64 s = load8888 (src);
 	__m64 d = load8888 (dest);
 	__m64 da = expand_alpha (d);
 	s = pix_multiply (s, a);
 	s = pix_multiply (s, da);
 	store8888 (dest, s);
 	++src;
 	++dest;
 	++mask;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_in_reverse_ca (pixman_implementation_t *imp,
                            pixman_op_t              op,
                            uint32_t *               dest,
                            const uint32_t *         src,
                            const uint32_t *         mask,
                            int                      width)
 {
     const uint32_t *end = src + width;
     while (src < end)
     {
 	__m64 a = load8888 (mask);
 	__m64 s = load8888 (src);
 	__m64 d = load8888 (dest);
 	__m64 sa = expand_alpha (s);
 	a = pix_multiply (a, sa);
 	d = pix_multiply (d, a);
 	store8888 (dest, d);
 	++src;
 	++dest;
 	++mask;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_out_ca (pixman_implementation_t *imp,
                     pixman_op_t              op,
                     uint32_t *               dest,
                     const uint32_t *         src,
                     const uint32_t *         mask,
                     int                      width)
 {
     const uint32_t *end = src + width;
     while (src < end)
     {
 	__m64 a = load8888 (mask);
 	__m64 s = load8888 (src);
 	__m64 d = load8888 (dest);
 	__m64 da = expand_alpha (d);
 	da = negate (da);
 	s = pix_multiply (s, a);
 	s = pix_multiply (s, da);
 	store8888 (dest, s);
 	++src;
 	++dest;
 	++mask;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_out_reverse_ca (pixman_implementation_t *imp,
                             pixman_op_t              op,
                             uint32_t *               dest,
                             const uint32_t *         src,
                             const uint32_t *         mask,
                             int                      width)
 {
     const uint32_t *end = src + width;
     while (src < end)
     {
 	__m64 a = load8888 (mask);
 	__m64 s = load8888 (src);
 	__m64 d = load8888 (dest);
 	__m64 sa = expand_alpha (s);
 	a = pix_multiply (a, sa);
 	a = negate (a);
 	d = pix_multiply (d, a);
 	store8888 (dest, d);
 	++src;
 	++dest;
 	++mask;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_atop_ca (pixman_implementation_t *imp,
                      pixman_op_t              op,
                      uint32_t *               dest,
                      const uint32_t *         src,
                      const uint32_t *         mask,
                      int                      width)
 {
     const uint32_t *end = src + width;
     while (src < end)
     {
 	__m64 a = load8888 (mask);
 	__m64 s = load8888 (src);
 	__m64 d = load8888 (dest);
 	__m64 da = expand_alpha (d);
 	__m64 sa = expand_alpha (s);
 	s = pix_multiply (s, a);
 	a = pix_multiply (a, sa);
 	a = negate (a);
 	d = pix_add_mul (d, a, s, da);
 	store8888 (dest, d);
 	++src;
 	++dest;
 	++mask;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_atop_reverse_ca (pixman_implementation_t *imp,
                              pixman_op_t              op,
                              uint32_t *               dest,
                              const uint32_t *         src,
                              const uint32_t *         mask,
                              int                      width)
 {
     const uint32_t *end = src + width;
     while (src < end)
     {
 	__m64 a = load8888 (mask);
 	__m64 s = load8888 (src);
 	__m64 d = load8888 (dest);
 	__m64 da = expand_alpha (d);
 	__m64 sa = expand_alpha (s);
 	s = pix_multiply (s, a);
 	a = pix_multiply (a, sa);
 	da = negate (da);
 	d = pix_add_mul (d, a, s, da);
 	store8888 (dest, d);
 	++src;
 	++dest;
 	++mask;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_xor_ca (pixman_implementation_t *imp,
                     pixman_op_t              op,
                     uint32_t *               dest,
                     const uint32_t *         src,
                     const uint32_t *         mask,
                     int                      width)
 {
     const uint32_t *end = src + width;
     while (src < end)
     {
 	__m64 a = load8888 (mask);
 	__m64 s = load8888 (src);
 	__m64 d = load8888 (dest);
 	__m64 da = expand_alpha (d);
 	__m64 sa = expand_alpha (s);
 	s = pix_multiply (s, a);
 	a = pix_multiply (a, sa);
 	da = negate (da);
 	a = negate (a);
 	d = pix_add_mul (d, a, s, da);
 	store8888 (dest, d);
 	++src;
 	++dest;
 	++mask;
     }
     _mm_empty ();
 }
 static void
 mmx_combine_add_ca (pixman_implementation_t *imp,
                     pixman_op_t              op,
                     uint32_t *               dest,
                     const uint32_t *         src,
                     const uint32_t *         mask,
                     int                      width)
 {
     const uint32_t *end = src + width;
     while (src < end)
     {
 	__m64 a = load8888 (mask);
 	__m64 s = load8888 (src);
 	__m64 d = load8888 (dest);
 	s = pix_multiply (s, a);
 	d = pix_add (s, d);
 	store8888 (dest, d);
 	++src;
 	++dest;
 	++mask;
     }
     _mm_empty ();
 }
 /* ------------- MMX code paths called from fbpict.c -------------------- */
 static void
 mmx_composite_over_n_8888 (pixman_implementation_t *imp,
                            pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t src;
     uint32_t    *dst_line, *dst;
     int32_t w;
     int dst_stride;
     __m64 vsrc, vsrca;
     CHECKPOINT ();
     src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
     if (src == 0)
 	return;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
     vsrc = load8888 (&src);
     vsrca = expand_alpha (vsrc);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	w = width;
 	CHECKPOINT ();
 	while (w && (uintptr_t)dst & 7)
 	{
 	    store8888 (dst, over (vsrc, vsrca, load8888 (dst)));
 	    w--;
 	    dst++;
 	}
 	while (w >= 2)
 	{
 	    __m64 vdest;
 	    __m64 dest0, dest1;
 	    vdest = *(__m64 *)dst;
 	    dest0 = over (vsrc, vsrca, expand8888 (vdest, 0));
 	    dest1 = over (vsrc, vsrca, expand8888 (vdest, 1));
 	    *(__m64 *)dst = pack8888 (dest0, dest1);
 	    dst += 2;
 	    w -= 2;
 	}
 	CHECKPOINT ();
 	if (w)
 	{
 	    store8888 (dst, over (vsrc, vsrca, load8888 (dst)));
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_n_0565 (pixman_implementation_t *imp,
                            pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t src;
     uint16_t    *dst_line, *dst;
     int32_t w;
     int dst_stride;
     __m64 vsrc, vsrca;
     CHECKPOINT ();
     src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
     if (src == 0)
 	return;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
     vsrc = load8888 (&src);
     vsrca = expand_alpha (vsrc);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	w = width;
 	CHECKPOINT ();
 	while (w && (uintptr_t)dst & 7)
 	{
 	    uint64_t d = *dst;
 	    __m64 vdest = expand565 (to_m64 (d), 0);
 	    vdest = pack_565 (over (vsrc, vsrca, vdest), vdest, 0);
 	    *dst = to_uint64 (vdest);
 	    w--;
 	    dst++;
 	}
 	while (w >= 4)
 	{
 	    __m64 vdest = *(__m64 *)dst;
 	    __m64 v0, v1, v2, v3;
 	    expand_4x565 (vdest, &v0, &v1, &v2, &v3, 0);
 	    v0 = over (vsrc, vsrca, v0);
 	    v1 = over (vsrc, vsrca, v1);
 	    v2 = over (vsrc, vsrca, v2);
 	    v3 = over (vsrc, vsrca, v3);
 	    *(__m64 *)dst = pack_4x565 (v0, v1, v2, v3);
 	    dst += 4;
 	    w -= 4;
 	}
 	CHECKPOINT ();
 	while (w)
 	{
 	    uint64_t d = *dst;
 	    __m64 vdest = expand565 (to_m64 (d), 0);
 	    vdest = pack_565 (over (vsrc, vsrca, vdest), vdest, 0);
 	    *dst = to_uint64 (vdest);
 	    w--;
 	    dst++;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_n_8888_8888_ca (pixman_implementation_t *imp,
                                    pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t src;
     uint32_t    *dst_line;
     uint32_t    *mask_line;
     int dst_stride, mask_stride;
     __m64 vsrc, vsrca;
     CHECKPOINT ();
     src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
     if (src == 0)
 	return;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1);
     vsrc = load8888 (&src);
     vsrca = expand_alpha (vsrc);
     while (height--)
     {
 	int twidth = width;
 	uint32_t *p = (uint32_t *)mask_line;
 	uint32_t *q = (uint32_t *)dst_line;
 	while (twidth && (uintptr_t)q & 7)
 	{
 	    uint32_t m = *(uint32_t *)p;
 	    if (m)
 	    {
 		__m64 vdest = load8888 (q);
 		vdest = in_over (vsrc, vsrca, load8888 (&m), vdest);
 		store8888 (q, vdest);
 	    }
 	    twidth--;
 	    p++;
 	    q++;
 	}
 	while (twidth >= 2)
 	{
 	    uint32_t m0, m1;
 	    m0 = *p;
 	    m1 = *(p + 1);
 	    if (m0 | m1)
 	    {
 		__m64 dest0, dest1;
 		__m64 vdest = *(__m64 *)q;
 		dest0 = in_over (vsrc, vsrca, load8888 (&m0),
 		                 expand8888 (vdest, 0));
 		dest1 = in_over (vsrc, vsrca, load8888 (&m1),
 		                 expand8888 (vdest, 1));
 		*(__m64 *)q = pack8888 (dest0, dest1);
 	    }
 	    p += 2;
 	    q += 2;
 	    twidth -= 2;
 	}
 	if (twidth)
 	{
 	    uint32_t m = *(uint32_t *)p;
 	    if (m)
 	    {
 		__m64 vdest = load8888 (q);
 		vdest = in_over (vsrc, vsrca, load8888 (&m), vdest);
 		store8888 (q, vdest);
 	    }
 	    twidth--;
 	    p++;
 	    q++;
 	}
 	dst_line += dst_stride;
 	mask_line += mask_stride;
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_8888_n_8888 (pixman_implementation_t *imp,
                                 pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t    *dst_line, *dst;
     uint32_t    *src_line, *src;
     uint32_t mask;
     __m64 vmask;
     int dst_stride, src_stride;
     int32_t w;
     CHECKPOINT ();
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
     mask = _pixman_image_get_solid (imp, mask_image, dest_image->bits.format);
     vmask = expand_alpha (load8888 (&mask));
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	src = src_line;
 	src_line += src_stride;
 	w = width;
 	while (w && (uintptr_t)dst & 7)
 	{
 	    __m64 s = load8888 (src);
 	    __m64 d = load8888 (dst);
 	    store8888 (dst, in_over (s, expand_alpha (s), vmask, d));
 	    w--;
 	    dst++;
 	    src++;
 	}
 	while (w >= 2)
 	{
 	    __m64 vs = ldq_u ((__m64 *)src);
 	    __m64 vd = *(__m64 *)dst;
 	    __m64 vsrc0 = expand8888 (vs, 0);
 	    __m64 vsrc1 = expand8888 (vs, 1);
 	    *(__m64 *)dst = pack8888 (
 	        in_over (vsrc0, expand_alpha (vsrc0), vmask, expand8888 (vd, 0)),
 	        in_over (vsrc1, expand_alpha (vsrc1), vmask, expand8888 (vd, 1)));
 	    w -= 2;
 	    dst += 2;
 	    src += 2;
 	}
 	if (w)
 	{
 	    __m64 s = load8888 (src);
 	    __m64 d = load8888 (dst);
 	    store8888 (dst, in_over (s, expand_alpha (s), vmask, d));
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_x888_n_8888 (pixman_implementation_t *imp,
                                 pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t *dst_line, *dst;
     uint32_t *src_line, *src;
     uint32_t mask;
     __m64 vmask;
     int dst_stride, src_stride;
     int32_t w;
     __m64 srca;
     CHECKPOINT ();
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
     mask = _pixman_image_get_solid (imp, mask_image, dest_image->bits.format);
     vmask = expand_alpha (load8888 (&mask));
     srca = MC (4x00ff);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	src = src_line;
 	src_line += src_stride;
 	w = width;
 	while (w && (uintptr_t)dst & 7)
 	{
 	    uint32_t ssrc = *src | 0xff000000;
 	    __m64 s = load8888 (&ssrc);
 	    __m64 d = load8888 (dst);
 	    store8888 (dst, in_over (s, srca, vmask, d));
 	    w--;
 	    dst++;
 	    src++;
 	}
 	while (w >= 16)
 	{
 	    __m64 vd0 = *(__m64 *)(dst + 0);
 	    __m64 vd1 = *(__m64 *)(dst + 2);
 	    __m64 vd2 = *(__m64 *)(dst + 4);
 	    __m64 vd3 = *(__m64 *)(dst + 6);
 	    __m64 vd4 = *(__m64 *)(dst + 8);
 	    __m64 vd5 = *(__m64 *)(dst + 10);
 	    __m64 vd6 = *(__m64 *)(dst + 12);
 	    __m64 vd7 = *(__m64 *)(dst + 14);
 	    __m64 vs0 = ldq_u ((__m64 *)(src + 0));
 	    __m64 vs1 = ldq_u ((__m64 *)(src + 2));
 	    __m64 vs2 = ldq_u ((__m64 *)(src + 4));
 	    __m64 vs3 = ldq_u ((__m64 *)(src + 6));
 	    __m64 vs4 = ldq_u ((__m64 *)(src + 8));
 	    __m64 vs5 = ldq_u ((__m64 *)(src + 10));
 	    __m64 vs6 = ldq_u ((__m64 *)(src + 12));
 	    __m64 vs7 = ldq_u ((__m64 *)(src + 14));
 	    vd0 = pack8888 (
 	        in_over (expandx888 (vs0, 0), srca, vmask, expand8888 (vd0, 0)),
 	        in_over (expandx888 (vs0, 1), srca, vmask, expand8888 (vd0, 1)));
 	    vd1 = pack8888 (
 	        in_over (expandx888 (vs1, 0), srca, vmask, expand8888 (vd1, 0)),
 	        in_over (expandx888 (vs1, 1), srca, vmask, expand8888 (vd1, 1)));
 	    vd2 = pack8888 (
 	        in_over (expandx888 (vs2, 0), srca, vmask, expand8888 (vd2, 0)),
 	        in_over (expandx888 (vs2, 1), srca, vmask, expand8888 (vd2, 1)));
 	    vd3 = pack8888 (
 	        in_over (expandx888 (vs3, 0), srca, vmask, expand8888 (vd3, 0)),
 	        in_over (expandx888 (vs3, 1), srca, vmask, expand8888 (vd3, 1)));
 	    vd4 = pack8888 (
 	        in_over (expandx888 (vs4, 0), srca, vmask, expand8888 (vd4, 0)),
 	        in_over (expandx888 (vs4, 1), srca, vmask, expand8888 (vd4, 1)));
 	    vd5 = pack8888 (
 	        in_over (expandx888 (vs5, 0), srca, vmask, expand8888 (vd5, 0)),
 	        in_over (expandx888 (vs5, 1), srca, vmask, expand8888 (vd5, 1)));
 	    vd6 = pack8888 (
 	        in_over (expandx888 (vs6, 0), srca, vmask, expand8888 (vd6, 0)),
 	        in_over (expandx888 (vs6, 1), srca, vmask, expand8888 (vd6, 1)));
 	    vd7 = pack8888 (
 	        in_over (expandx888 (vs7, 0), srca, vmask, expand8888 (vd7, 0)),
 	        in_over (expandx888 (vs7, 1), srca, vmask, expand8888 (vd7, 1)));
 	    *(__m64 *)(dst + 0) = vd0;
 	    *(__m64 *)(dst + 2) = vd1;
 	    *(__m64 *)(dst + 4) = vd2;
 	    *(__m64 *)(dst + 6) = vd3;
 	    *(__m64 *)(dst + 8) = vd4;
 	    *(__m64 *)(dst + 10) = vd5;
 	    *(__m64 *)(dst + 12) = vd6;
 	    *(__m64 *)(dst + 14) = vd7;
 	    w -= 16;
 	    dst += 16;
 	    src += 16;
 	}
 	while (w)
 	{
 	    uint32_t ssrc = *src | 0xff000000;
 	    __m64 s = load8888 (&ssrc);
 	    __m64 d = load8888 (dst);
 	    store8888 (dst, in_over (s, srca, vmask, d));
 	    w--;
 	    dst++;
 	    src++;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_8888_8888 (pixman_implementation_t *imp,
                               pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t *dst_line, *dst;
     uint32_t *src_line, *src;
     uint32_t s;
     int dst_stride, src_stride;
     uint8_t a;
     int32_t w;
     CHECKPOINT ();
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	src = src_line;
 	src_line += src_stride;
 	w = width;
 	while (w--)
 	{
 	    s = *src++;
 	    a = s >> 24;
 	    if (a == 0xff)
 	    {
 		*dst = s;
 	    }
 	    else if (s)
 	    {
 		__m64 ms, sa;
 		ms = load8888 (&s);
 		sa = expand_alpha (ms);
 		store8888 (dst, over (ms, sa, load8888 (dst)));
 	    }
 	    dst++;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_8888_0565 (pixman_implementation_t *imp,
                               pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint16_t    *dst_line, *dst;
     uint32_t    *src_line, *src;
     int dst_stride, src_stride;
     int32_t w;
     CHECKPOINT ();
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
 #if 0
     /* FIXME */
     assert (src_image->drawable == mask_image->drawable);
 #endif
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	src = src_line;
 	src_line += src_stride;
 	w = width;
 	CHECKPOINT ();
 	while (w && (uintptr_t)dst & 7)
 	{
 	    __m64 vsrc = load8888 (src);
 	    uint64_t d = *dst;
 	    __m64 vdest = expand565 (to_m64 (d), 0);
 	    vdest = pack_565 (
 		over (vsrc, expand_alpha (vsrc), vdest), vdest, 0);
 	    *dst = to_uint64 (vdest);
 	    w--;
 	    dst++;
 	    src++;
 	}
 	CHECKPOINT ();
 	while (w >= 4)
 	{
 	    __m64 vdest = *(__m64 *)dst;
 	    __m64 v0, v1, v2, v3;
 	    __m64 vsrc0, vsrc1, vsrc2, vsrc3;
 	    expand_4x565 (vdest, &v0, &v1, &v2, &v3, 0);
 	    vsrc0 = load8888 ((src + 0));
 	    vsrc1 = load8888 ((src + 1));
 	    vsrc2 = load8888 ((src + 2));
 	    vsrc3 = load8888 ((src + 3));
 	    v0 = over (vsrc0, expand_alpha (vsrc0), v0);
 	    v1 = over (vsrc1, expand_alpha (vsrc1), v1);
 	    v2 = over (vsrc2, expand_alpha (vsrc2), v2);
 	    v3 = over (vsrc3, expand_alpha (vsrc3), v3);
 	    *(__m64 *)dst = pack_4x565 (v0, v1, v2, v3);
 	    w -= 4;
 	    dst += 4;
 	    src += 4;
 	}
 	CHECKPOINT ();
 	while (w)
 	{
 	    __m64 vsrc = load8888 (src);
 	    uint64_t d = *dst;
 	    __m64 vdest = expand565 (to_m64 (d), 0);
 	    vdest = pack_565 (over (vsrc, expand_alpha (vsrc), vdest), vdest, 0);
 	    *dst = to_uint64 (vdest);
 	    w--;
 	    dst++;
 	    src++;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_n_8_8888 (pixman_implementation_t *imp,
                              pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t src, srca;
     uint32_t *dst_line, *dst;
     uint8_t *mask_line, *mask;
     int dst_stride, mask_stride;
     int32_t w;
     __m64 vsrc, vsrca;
     uint64_t srcsrc;
     CHECKPOINT ();
     src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
     srca = src >> 24;
     if (src == 0)
 	return;
     srcsrc = (uint64_t)src << 32 | src;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
     vsrc = load8888 (&src);
     vsrca = expand_alpha (vsrc);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	mask = mask_line;
 	mask_line += mask_stride;
 	w = width;
 	CHECKPOINT ();
 	while (w && (uintptr_t)dst & 7)
 	{
 	    uint64_t m = *mask;
 	    if (m)
 	    {
 		__m64 vdest = in_over (vsrc, vsrca,
 				       expand_alpha_rev (to_m64 (m)),
 				       load8888 (dst));
 		store8888 (dst, vdest);
 	    }
 	    w--;
 	    mask++;
 	    dst++;
 	}
 	CHECKPOINT ();
 	while (w >= 2)
 	{
 	    uint64_t m0, m1;
 	    m0 = *mask;
 	    m1 = *(mask + 1);
 	    if (srca == 0xff && (m0 & m1) == 0xff)
 	    {
 		*(uint64_t *)dst = srcsrc;
 	    }
 	    else if (m0 | m1)
 	    {
 		__m64 vdest;
 		__m64 dest0, dest1;
 		vdest = *(__m64 *)dst;
 		dest0 = in_over (vsrc, vsrca, expand_alpha_rev (to_m64 (m0)),
 				 expand8888 (vdest, 0));
 		dest1 = in_over (vsrc, vsrca, expand_alpha_rev (to_m64 (m1)),
 				 expand8888 (vdest, 1));
 		*(__m64 *)dst = pack8888 (dest0, dest1);
 	    }
 	    mask += 2;
 	    dst += 2;
 	    w -= 2;
 	}
 	CHECKPOINT ();
 	if (w)
 	{
 	    uint64_t m = *mask;
 	    if (m)
 	    {
 		__m64 vdest = load8888 (dst);
 		vdest = in_over (
 		    vsrc, vsrca, expand_alpha_rev (to_m64 (m)), vdest);
 		store8888 (dst, vdest);
 	    }
 	}
     }
     _mm_empty ();
 }
 static pixman_bool_t
 mmx_fill (pixman_implementation_t *imp,
           uint32_t *               bits,
           int                      stride,
           int                      bpp,
           int                      x,
           int                      y,
           int                      width,
           int                      height,
           uint32_t		   filler)
 {
     uint64_t fill;
     __m64 vfill;
     uint32_t byte_width;
     uint8_t     *byte_line;
 #if defined __GNUC__ && defined USE_X86_MMX
     __m64 v1, v2, v3, v4, v5, v6, v7;
 #endif
     if (bpp != 16 && bpp != 32 && bpp != 8)
 	return FALSE;
     if (bpp == 8)
     {
 	stride = stride * (int) sizeof (uint32_t) / 1;
 	byte_line = (uint8_t *)(((uint8_t *)bits) + stride * y + x);
 	byte_width = width;
 	stride *= 1;
         filler = (filler & 0xff) * 0x01010101;
     }
     else if (bpp == 16)
     {
 	stride = stride * (int) sizeof (uint32_t) / 2;
 	byte_line = (uint8_t *)(((uint16_t *)bits) + stride * y + x);
 	byte_width = 2 * width;
 	stride *= 2;
         filler = (filler & 0xffff) * 0x00010001;
     }
     else
     {
 	stride = stride * (int) sizeof (uint32_t) / 4;
 	byte_line = (uint8_t *)(((uint32_t *)bits) + stride * y + x);
 	byte_width = 4 * width;
 	stride *= 4;
     }
     fill = ((uint64_t)filler << 32) | filler;
     vfill = to_m64 (fill);
 #if defined __GNUC__ && defined USE_X86_MMX
     __asm__ (
         "movq		%7,	%0\n"
         "movq		%7,	%1\n"
         "movq		%7,	%2\n"
         "movq		%7,	%3\n"
         "movq		%7,	%4\n"
         "movq		%7,	%5\n"
         "movq		%7,	%6\n"
 	: "=&y" (v1), "=&y" (v2), "=&y" (v3),
 	  "=&y" (v4), "=&y" (v5), "=&y" (v6), "=y" (v7)
 	: "y" (vfill));
 #endif
     while (height--)
     {
 	int w;
 	uint8_t *d = byte_line;
 	byte_line += stride;
 	w = byte_width;
 	if (w >= 1 && ((uintptr_t)d & 1))
 	{
 	    *(uint8_t *)d = (filler & 0xff);
 	    w--;
 	    d++;
 	}
 	if (w >= 2 && ((uintptr_t)d & 3))
 	{
 	    *(uint16_t *)d = filler;
 	    w -= 2;
 	    d += 2;
 	}
 	while (w >= 4 && ((uintptr_t)d & 7))
 	{
 	    *(uint32_t *)d = filler;
 	    w -= 4;
 	    d += 4;
 	}
 	while (w >= 64)
 	{
 #if defined __GNUC__ && defined USE_X86_MMX
 	    __asm__ (
 	        "movq	%1,	  (%0)\n"
 	        "movq	%2,	 8(%0)\n"
 	        "movq	%3,	16(%0)\n"
 	        "movq	%4,	24(%0)\n"
 	        "movq	%5,	32(%0)\n"
 	        "movq	%6,	40(%0)\n"
 	        "movq	%7,	48(%0)\n"
 	        "movq	%8,	56(%0)\n"
 		:
 		: "r" (d),
 		  "y" (vfill), "y" (v1), "y" (v2), "y" (v3),
 		  "y" (v4), "y" (v5), "y" (v6), "y" (v7)
 		: "memory");
 #else
 	    *(__m64*) (d +  0) = vfill;
 	    *(__m64*) (d +  8) = vfill;
 	    *(__m64*) (d + 16) = vfill;
 	    *(__m64*) (d + 24) = vfill;
 	    *(__m64*) (d + 32) = vfill;
 	    *(__m64*) (d + 40) = vfill;
 	    *(__m64*) (d + 48) = vfill;
 	    *(__m64*) (d + 56) = vfill;
 #endif
 	    w -= 64;
 	    d += 64;
 	}
 	while (w >= 4)
 	{
 	    *(uint32_t *)d = filler;
 	    w -= 4;
 	    d += 4;
 	}
 	if (w >= 2)
 	{
 	    *(uint16_t *)d = filler;
 	    w -= 2;
 	    d += 2;
 	}
 	if (w >= 1)
 	{
 	    *(uint8_t *)d = (filler & 0xff);
 	    w--;
 	    d++;
 	}
     }
     _mm_empty ();
     return TRUE;
 }
 static void
 mmx_composite_src_x888_0565 (pixman_implementation_t *imp,
                              pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint16_t    *dst_line, *dst;
     uint32_t    *src_line, *src, s;
     int dst_stride, src_stride;
     int32_t w;
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	src = src_line;
 	src_line += src_stride;
 	w = width;
 	while (w && (uintptr_t)dst & 7)
 	{
 	    s = *src++;
 	    *dst = convert_8888_to_0565 (s);
 	    dst++;
 	    w--;
 	}
 	while (w >= 4)
 	{
 	    __m64 vdest;
 	    __m64 vsrc0 = ldq_u ((__m64 *)(src + 0));
 	    __m64 vsrc1 = ldq_u ((__m64 *)(src + 2));
 	    vdest = pack_4xpacked565 (vsrc0, vsrc1);
 	    *(__m64 *)dst = vdest;
 	    w -= 4;
 	    src += 4;
 	    dst += 4;
 	}
 	while (w)
 	{
 	    s = *src++;
 	    *dst = convert_8888_to_0565 (s);
 	    dst++;
 	    w--;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_src_n_8_8888 (pixman_implementation_t *imp,
                             pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t src, srca;
     uint32_t    *dst_line, *dst;
     uint8_t     *mask_line, *mask;
     int dst_stride, mask_stride;
     int32_t w;
     __m64 vsrc;
     uint64_t srcsrc;
     CHECKPOINT ();
     src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
     srca = src >> 24;
     if (src == 0)
     {
 	mmx_fill (imp, dest_image->bits.bits, dest_image->bits.rowstride,
 		  PIXMAN_FORMAT_BPP (dest_image->bits.format),
 		  dest_x, dest_y, width, height, 0);
 	return;
     }
     srcsrc = (uint64_t)src << 32 | src;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
     vsrc = load8888 (&src);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	mask = mask_line;
 	mask_line += mask_stride;
 	w = width;
 	CHECKPOINT ();
 	while (w && (uintptr_t)dst & 7)
 	{
 	    uint64_t m = *mask;
 	    if (m)
 	    {
 		__m64 vdest = in (vsrc, expand_alpha_rev (to_m64 (m)));
 		store8888 (dst, vdest);
 	    }
 	    else
 	    {
 		*dst = 0;
 	    }
 	    w--;
 	    mask++;
 	    dst++;
 	}
 	CHECKPOINT ();
 	while (w >= 2)
 	{
 	    uint64_t m0, m1;
 	    m0 = *mask;
 	    m1 = *(mask + 1);
 	    if (srca == 0xff && (m0 & m1) == 0xff)
 	    {
 		*(uint64_t *)dst = srcsrc;
 	    }
 	    else if (m0 | m1)
 	    {
 		__m64 dest0, dest1;
 		dest0 = in (vsrc, expand_alpha_rev (to_m64 (m0)));
 		dest1 = in (vsrc, expand_alpha_rev (to_m64 (m1)));
 		*(__m64 *)dst = pack8888 (dest0, dest1);
 	    }
 	    else
 	    {
 		*(uint64_t *)dst = 0;
 	    }
 	    mask += 2;
 	    dst += 2;
 	    w -= 2;
 	}
 	CHECKPOINT ();
 	if (w)
 	{
 	    uint64_t m = *mask;
 	    if (m)
 	    {
 		__m64 vdest = load8888 (dst);
 		vdest = in (vsrc, expand_alpha_rev (to_m64 (m)));
 		store8888 (dst, vdest);
 	    }
 	    else
 	    {
 		*dst = 0;
 	    }
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_n_8_0565 (pixman_implementation_t *imp,
                              pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t src, srca;
     uint16_t *dst_line, *dst;
     uint8_t *mask_line, *mask;
     int dst_stride, mask_stride;
     int32_t w;
     __m64 vsrc, vsrca, tmp;
     __m64 srcsrcsrcsrc;
     CHECKPOINT ();
     src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
     srca = src >> 24;
     if (src == 0)
 	return;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
     vsrc = load8888 (&src);
     vsrca = expand_alpha (vsrc);
     tmp = pack_565 (vsrc, _mm_setzero_si64 (), 0);
     srcsrcsrcsrc = expand_alpha_rev (tmp);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	mask = mask_line;
 	mask_line += mask_stride;
 	w = width;
 	CHECKPOINT ();
 	while (w && (uintptr_t)dst & 7)
 	{
 	    uint64_t m = *mask;
 	    if (m)
 	    {
 		uint64_t d = *dst;
 		__m64 vd = to_m64 (d);
 		__m64 vdest = in_over (
 		    vsrc, vsrca, expand_alpha_rev (to_m64 (m)), expand565 (vd, 0));
 		vd = pack_565 (vdest, _mm_setzero_si64 (), 0);
 		*dst = to_uint64 (vd);
 	    }
 	    w--;
 	    mask++;
 	    dst++;
 	}
 	CHECKPOINT ();
 	while (w >= 4)
 	{
 	    uint64_t m0, m1, m2, m3;
 	    m0 = *mask;
 	    m1 = *(mask + 1);
 	    m2 = *(mask + 2);
 	    m3 = *(mask + 3);
 	    if (srca == 0xff && (m0 & m1 & m2 & m3) == 0xff)
 	    {
 		*(__m64 *)dst = srcsrcsrcsrc;
 	    }
 	    else if (m0 | m1 | m2 | m3)
 	    {
 		__m64 vdest = *(__m64 *)dst;
 		__m64 v0, v1, v2, v3;
 		__m64 vm0, vm1, vm2, vm3;
 		expand_4x565 (vdest, &v0, &v1, &v2, &v3, 0);
 		vm0 = to_m64 (m0);
 		v0 = in_over (vsrc, vsrca, expand_alpha_rev (vm0), v0);
 		vm1 = to_m64 (m1);
 		v1 = in_over (vsrc, vsrca, expand_alpha_rev (vm1), v1);
 		vm2 = to_m64 (m2);
 		v2 = in_over (vsrc, vsrca, expand_alpha_rev (vm2), v2);
 		vm3 = to_m64 (m3);
 		v3 = in_over (vsrc, vsrca, expand_alpha_rev (vm3), v3);
 		*(__m64 *)dst = pack_4x565 (v0, v1, v2, v3);;
 	    }
 	    w -= 4;
 	    mask += 4;
 	    dst += 4;
 	}
 	CHECKPOINT ();
 	while (w)
 	{
 	    uint64_t m = *mask;
 	    if (m)
 	    {
 		uint64_t d = *dst;
 		__m64 vd = to_m64 (d);
 		__m64 vdest = in_over (vsrc, vsrca, expand_alpha_rev (to_m64 (m)),
 				       expand565 (vd, 0));
 		vd = pack_565 (vdest, _mm_setzero_si64 (), 0);
 		*dst = to_uint64 (vd);
 	    }
 	    w--;
 	    mask++;
 	    dst++;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_pixbuf_0565 (pixman_implementation_t *imp,
                                 pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint16_t    *dst_line, *dst;
     uint32_t    *src_line, *src;
     int dst_stride, src_stride;
     int32_t w;
     CHECKPOINT ();
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
 #if 0
     /* FIXME */
     assert (src_image->drawable == mask_image->drawable);
 #endif
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	src = src_line;
 	src_line += src_stride;
 	w = width;
 	CHECKPOINT ();
 	while (w && (uintptr_t)dst & 7)
 	{
 	    __m64 vsrc = load8888 (src);
 	    uint64_t d = *dst;
 	    __m64 vdest = expand565 (to_m64 (d), 0);
 	    vdest = pack_565 (over_rev_non_pre (vsrc, vdest), vdest, 0);
 	    *dst = to_uint64 (vdest);
 	    w--;
 	    dst++;
 	    src++;
 	}
 	CHECKPOINT ();
 	while (w >= 4)
 	{
 	    uint32_t s0, s1, s2, s3;
 	    unsigned char a0, a1, a2, a3;
 	    s0 = *src;
 	    s1 = *(src + 1);
 	    s2 = *(src + 2);
 	    s3 = *(src + 3);
 	    a0 = (s0 >> 24);
 	    a1 = (s1 >> 24);
 	    a2 = (s2 >> 24);
 	    a3 = (s3 >> 24);
 	    if ((a0 & a1 & a2 & a3) == 0xFF)
 	    {
 		__m64 v0 = invert_colors (load8888 (&s0));
 		__m64 v1 = invert_colors (load8888 (&s1));
 		__m64 v2 = invert_colors (load8888 (&s2));
 		__m64 v3 = invert_colors (load8888 (&s3));
 		*(__m64 *)dst = pack_4x565 (v0, v1, v2, v3);
 	    }
 	    else if (s0 | s1 | s2 | s3)
 	    {
 		__m64 vdest = *(__m64 *)dst;
 		__m64 v0, v1, v2, v3;
 		__m64 vsrc0 = load8888 (&s0);
 		__m64 vsrc1 = load8888 (&s1);
 		__m64 vsrc2 = load8888 (&s2);
 		__m64 vsrc3 = load8888 (&s3);
 		expand_4x565 (vdest, &v0, &v1, &v2, &v3, 0);
 		v0 = over_rev_non_pre (vsrc0, v0);
 		v1 = over_rev_non_pre (vsrc1, v1);
 		v2 = over_rev_non_pre (vsrc2, v2);
 		v3 = over_rev_non_pre (vsrc3, v3);
 		*(__m64 *)dst = pack_4x565 (v0, v1, v2, v3);
 	    }
 	    w -= 4;
 	    dst += 4;
 	    src += 4;
 	}
 	CHECKPOINT ();
 	while (w)
 	{
 	    __m64 vsrc = load8888 (src);
 	    uint64_t d = *dst;
 	    __m64 vdest = expand565 (to_m64 (d), 0);
 	    vdest = pack_565 (over_rev_non_pre (vsrc, vdest), vdest, 0);
 	    *dst = to_uint64 (vdest);
 	    w--;
 	    dst++;
 	    src++;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_pixbuf_8888 (pixman_implementation_t *imp,
                                 pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t    *dst_line, *dst;
     uint32_t    *src_line, *src;
     int dst_stride, src_stride;
     int32_t w;
     CHECKPOINT ();
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
 #if 0
     /* FIXME */
     assert (src_image->drawable == mask_image->drawable);
 #endif
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	src = src_line;
 	src_line += src_stride;
 	w = width;
 	while (w && (uintptr_t)dst & 7)
 	{
 	    __m64 s = load8888 (src);
 	    __m64 d = load8888 (dst);
 	    store8888 (dst, over_rev_non_pre (s, d));
 	    w--;
 	    dst++;
 	    src++;
 	}
 	while (w >= 2)
 	{
 	    uint32_t s0, s1;
 	    unsigned char a0, a1;
 	    __m64 d0, d1;
 	    s0 = *src;
 	    s1 = *(src + 1);
 	    a0 = (s0 >> 24);
 	    a1 = (s1 >> 24);
 	    if ((a0 & a1) == 0xFF)
 	    {
 		d0 = invert_colors (load8888 (&s0));
 		d1 = invert_colors (load8888 (&s1));
 		*(__m64 *)dst = pack8888 (d0, d1);
 	    }
 	    else if (s0 | s1)
 	    {
 		__m64 vdest = *(__m64 *)dst;
 		d0 = over_rev_non_pre (load8888 (&s0), expand8888 (vdest, 0));
 		d1 = over_rev_non_pre (load8888 (&s1), expand8888 (vdest, 1));
 		*(__m64 *)dst = pack8888 (d0, d1);
 	    }
 	    w -= 2;
 	    dst += 2;
 	    src += 2;
 	}
 	if (w)
 	{
 	    __m64 s = load8888 (src);
 	    __m64 d = load8888 (dst);
 	    store8888 (dst, over_rev_non_pre (s, d));
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_n_8888_0565_ca (pixman_implementation_t *imp,
                                    pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t src;
     uint16_t    *dst_line;
     uint32_t    *mask_line;
     int dst_stride, mask_stride;
     __m64 vsrc, vsrca;
     CHECKPOINT ();
     src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
     if (src == 0)
 	return;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1);
     vsrc = load8888 (&src);
     vsrca = expand_alpha (vsrc);
     while (height--)
     {
 	int twidth = width;
 	uint32_t *p = (uint32_t *)mask_line;
 	uint16_t *q = (uint16_t *)dst_line;
 	while (twidth && ((uintptr_t)q & 7))
 	{
 	    uint32_t m = *(uint32_t *)p;
 	    if (m)
 	    {
 		uint64_t d = *q;
 		__m64 vdest = expand565 (to_m64 (d), 0);
 		vdest = pack_565 (in_over (vsrc, vsrca, load8888 (&m), vdest), vdest, 0);
 		*q = to_uint64 (vdest);
 	    }
 	    twidth--;
 	    p++;
 	    q++;
 	}
 	while (twidth >= 4)
 	{
 	    uint32_t m0, m1, m2, m3;
 	    m0 = *p;
 	    m1 = *(p + 1);
 	    m2 = *(p + 2);
 	    m3 = *(p + 3);
 	    if ((m0 | m1 | m2 | m3))
 	    {
 		__m64 vdest = *(__m64 *)q;
 		__m64 v0, v1, v2, v3;
 		expand_4x565 (vdest, &v0, &v1, &v2, &v3, 0);
 		v0 = in_over (vsrc, vsrca, load8888 (&m0), v0);
 		v1 = in_over (vsrc, vsrca, load8888 (&m1), v1);
 		v2 = in_over (vsrc, vsrca, load8888 (&m2), v2);
 		v3 = in_over (vsrc, vsrca, load8888 (&m3), v3);
 		*(__m64 *)q = pack_4x565 (v0, v1, v2, v3);
 	    }
 	    twidth -= 4;
 	    p += 4;
 	    q += 4;
 	}
 	while (twidth)
 	{
 	    uint32_t m;
 	    m = *(uint32_t *)p;
 	    if (m)
 	    {
 		uint64_t d = *q;
 		__m64 vdest = expand565 (to_m64 (d), 0);
 		vdest = pack_565 (in_over (vsrc, vsrca, load8888 (&m), vdest), vdest, 0);
 		*q = to_uint64 (vdest);
 	    }
 	    twidth--;
 	    p++;
 	    q++;
 	}
 	mask_line += mask_stride;
 	dst_line += dst_stride;
     }
     _mm_empty ();
 }
 static void
 mmx_composite_in_n_8_8 (pixman_implementation_t *imp,
                         pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint8_t *dst_line, *dst;
     uint8_t *mask_line, *mask;
     int dst_stride, mask_stride;
     int32_t w;
     uint32_t src;
     uint8_t sa;
     __m64 vsrc, vsrca;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
     src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
     sa = src >> 24;
     vsrc = load8888 (&src);
     vsrca = expand_alpha (vsrc);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	mask = mask_line;
 	mask_line += mask_stride;
 	w = width;
 	while (w && (uintptr_t)dst & 7)
 	{
 	    uint16_t tmp;
 	    uint8_t a;
 	    uint32_t m, d;
 	    a = *mask++;
 	    d = *dst;
 	    m = MUL_UN8 (sa, a, tmp);
 	    d = MUL_UN8 (m, d, tmp);
 	    *dst++ = d;
 	    w--;
 	}
 	while (w >= 4)
 	{
 	    __m64 vmask;
 	    __m64 vdest;
 	    vmask = load8888u ((uint32_t *)mask);
 	    vdest = load8888 ((uint32_t *)dst);
 	    store8888 ((uint32_t *)dst, in (in (vsrca, vmask), vdest));
 	    dst += 4;
 	    mask += 4;
 	    w -= 4;
 	}
 	while (w--)
 	{
 	    uint16_t tmp;
 	    uint8_t a;
 	    uint32_t m, d;
 	    a = *mask++;
 	    d = *dst;
 	    m = MUL_UN8 (sa, a, tmp);
 	    d = MUL_UN8 (m, d, tmp);
 	    *dst++ = d;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_in_8_8 (pixman_implementation_t *imp,
                       pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint8_t     *dst_line, *dst;
     uint8_t     *src_line, *src;
     int src_stride, dst_stride;
     int32_t w;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	src = src_line;
 	src_line += src_stride;
 	w = width;
 	while (w && (uintptr_t)dst & 3)
 	{
 	    uint8_t s, d;
 	    uint16_t tmp;
 	    s = *src;
 	    d = *dst;
 	    *dst = MUL_UN8 (s, d, tmp);
 	    src++;
 	    dst++;
 	    w--;
 	}
 	while (w >= 4)
 	{
 	    uint32_t *s = (uint32_t *)src;
 	    uint32_t *d = (uint32_t *)dst;
 	    store8888 (d, in (load8888u (s), load8888 (d)));
 	    w -= 4;
 	    dst += 4;
 	    src += 4;
 	}
 	while (w--)
 	{
 	    uint8_t s, d;
 	    uint16_t tmp;
 	    s = *src;
 	    d = *dst;
 	    *dst = MUL_UN8 (s, d, tmp);
 	    src++;
 	    dst++;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_add_n_8_8 (pixman_implementation_t *imp,
 			 pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint8_t     *dst_line, *dst;
     uint8_t     *mask_line, *mask;
     int dst_stride, mask_stride;
     int32_t w;
     uint32_t src;
     uint8_t sa;
     __m64 vsrc, vsrca;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
     src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
     sa = src >> 24;
     if (src == 0)
 	return;
     vsrc = load8888 (&src);
     vsrca = expand_alpha (vsrc);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	mask = mask_line;
 	mask_line += mask_stride;
 	w = width;
 	while (w && (uintptr_t)dst & 3)
 	{
 	    uint16_t tmp;
 	    uint16_t a;
 	    uint32_t m, d;
 	    uint32_t r;
 	    a = *mask++;
 	    d = *dst;
 	    m = MUL_UN8 (sa, a, tmp);
 	    r = ADD_UN8 (m, d, tmp);
 	    *dst++ = r;
 	    w--;
 	}
 	while (w >= 4)
 	{
 	    __m64 vmask;
 	    __m64 vdest;
 	    vmask = load8888u ((uint32_t *)mask);
 	    vdest = load8888 ((uint32_t *)dst);
 	    store8888 ((uint32_t *)dst, _mm_adds_pu8 (in (vsrca, vmask), vdest));
 	    dst += 4;
 	    mask += 4;
 	    w -= 4;
 	}
 	while (w--)
 	{
 	    uint16_t tmp;
 	    uint16_t a;
 	    uint32_t m, d;
 	    uint32_t r;
 	    a = *mask++;
 	    d = *dst;
 	    m = MUL_UN8 (sa, a, tmp);
 	    r = ADD_UN8 (m, d, tmp);
 	    *dst++ = r;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_add_8_8 (pixman_implementation_t *imp,
 		       pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint8_t *dst_line, *dst;
     uint8_t *src_line, *src;
     int dst_stride, src_stride;
     int32_t w;
     uint8_t s, d;
     uint16_t t;
     CHECKPOINT ();
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1);
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	src = src_line;
 	src_line += src_stride;
 	w = width;
 	while (w && (uintptr_t)dst & 7)
 	{
 	    s = *src;
 	    d = *dst;
 	    t = d + s;
 	    s = t | (0 - (t >> 8));
 	    *dst = s;
 	    dst++;
 	    src++;
 	    w--;
 	}
 	while (w >= 8)
 	{
 	    *(__m64*)dst = _mm_adds_pu8 (ldq_u ((__m64 *)src), *(__m64*)dst);
 	    dst += 8;
 	    src += 8;
 	    w -= 8;
 	}
 	while (w)
 	{
 	    s = *src;
 	    d = *dst;
 	    t = d + s;
 	    s = t | (0 - (t >> 8));
 	    *dst = s;
 	    dst++;
 	    src++;
 	    w--;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_add_0565_0565 (pixman_implementation_t *imp,
                              pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint16_t    *dst_line, *dst;
     uint32_t	d;
     uint16_t    *src_line, *src;
     uint32_t	s;
     int dst_stride, src_stride;
     int32_t w;
     CHECKPOINT ();
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint16_t, src_stride, src_line, 1);
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	src = src_line;
 	src_line += src_stride;
 	w = width;
 	while (w && (uintptr_t)dst & 7)
 	{
 	    s = *src++;
 	    if (s)
 	    {
 		d = *dst;
 		s = convert_0565_to_8888 (s);
 		if (d)
 		{
 		    d = convert_0565_to_8888 (d);
 		    UN8x4_ADD_UN8x4 (s, d);
 		}
 		*dst = convert_8888_to_0565 (s);
 	    }
 	    dst++;
 	    w--;
 	}
 	while (w >= 4)
 	{
 	    __m64 vdest = *(__m64 *)dst;
 	    __m64 vsrc = ldq_u ((__m64 *)src);
 	    __m64 vd0, vd1;
 	    __m64 vs0, vs1;
 	    expand_4xpacked565 (vdest, &vd0, &vd1, 0);
 	    expand_4xpacked565 (vsrc, &vs0, &vs1, 0);
 	    vd0 = _mm_adds_pu8 (vd0, vs0);
 	    vd1 = _mm_adds_pu8 (vd1, vs1);
 	    *(__m64 *)dst = pack_4xpacked565 (vd0, vd1);
 	    dst += 4;
 	    src += 4;
 	    w -= 4;
 	}
 	while (w--)
 	{
 	    s = *src++;
 	    if (s)
 	    {
 		d = *dst;
 		s = convert_0565_to_8888 (s);
 		if (d)
 		{
 		    d = convert_0565_to_8888 (d);
 		    UN8x4_ADD_UN8x4 (s, d);
 		}
 		*dst = convert_8888_to_0565 (s);
 	    }
 	    dst++;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_add_8888_8888 (pixman_implementation_t *imp,
                              pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t    *dst_line, *dst;
     uint32_t    *src_line, *src;
     int dst_stride, src_stride;
     int32_t w;
     CHECKPOINT ();
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	src = src_line;
 	src_line += src_stride;
 	w = width;
 	while (w && (uintptr_t)dst & 7)
 	{
 	    store (dst, _mm_adds_pu8 (load ((const uint32_t *)src),
 	                              load ((const uint32_t *)dst)));
 	    dst++;
 	    src++;
 	    w--;
 	}
 	while (w >= 2)
 	{
 	    *(__m64 *)dst = _mm_adds_pu8 (ldq_u ((__m64 *)src), *(__m64*)dst);
 	    dst += 2;
 	    src += 2;
 	    w -= 2;
 	}
 	if (w)
 	{
 	    store (dst, _mm_adds_pu8 (load ((const uint32_t *)src),
 	                              load ((const uint32_t *)dst)));
 	}
     }
     _mm_empty ();
 }
 static pixman_bool_t
 mmx_blt (pixman_implementation_t *imp,
          uint32_t *               src_bits,
          uint32_t *               dst_bits,
          int                      src_stride,
          int                      dst_stride,
          int                      src_bpp,
          int                      dst_bpp,
          int                      src_x,
          int                      src_y,
          int                      dest_x,
          int                      dest_y,
          int                      width,
          int                      height)
 {
     uint8_t *   src_bytes;
     uint8_t *   dst_bytes;
     int byte_width;
     if (src_bpp != dst_bpp)
 	return FALSE;
     if (src_bpp == 16)
     {
 	src_stride = src_stride * (int) sizeof (uint32_t) / 2;
 	dst_stride = dst_stride * (int) sizeof (uint32_t) / 2;
 	src_bytes = (uint8_t *)(((uint16_t *)src_bits) + src_stride * (src_y) + (src_x));
 	dst_bytes = (uint8_t *)(((uint16_t *)dst_bits) + dst_stride * (dest_y) + (dest_x));
 	byte_width = 2 * width;
 	src_stride *= 2;
 	dst_stride *= 2;
     }
     else if (src_bpp == 32)
     {
 	src_stride = src_stride * (int) sizeof (uint32_t) / 4;
 	dst_stride = dst_stride * (int) sizeof (uint32_t) / 4;
 	src_bytes = (uint8_t *)(((uint32_t *)src_bits) + src_stride * (src_y) + (src_x));
 	dst_bytes = (uint8_t *)(((uint32_t *)dst_bits) + dst_stride * (dest_y) + (dest_x));
 	byte_width = 4 * width;
 	src_stride *= 4;
 	dst_stride *= 4;
     }
     else
     {
 	return FALSE;
     }
     while (height--)
     {
 	int w;
 	uint8_t *s = src_bytes;
 	uint8_t *d = dst_bytes;
 	src_bytes += src_stride;
 	dst_bytes += dst_stride;
 	w = byte_width;
 	if (w >= 1 && ((uintptr_t)d & 1))
 	{
 	    *(uint8_t *)d = *(uint8_t *)s;
 	    w -= 1;
 	    s += 1;
 	    d += 1;
 	}
 	if (w >= 2 && ((uintptr_t)d & 3))
 	{
 	    *(uint16_t *)d = *(uint16_t *)s;
 	    w -= 2;
 	    s += 2;
 	    d += 2;
 	}
 	while (w >= 4 && ((uintptr_t)d & 7))
 	{
 	    *(uint32_t *)d = ldl_u ((uint32_t *)s);
 	    w -= 4;
 	    s += 4;
 	    d += 4;
 	}
 	while (w >= 64)
 	{
 #if (defined (__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))) && defined USE_X86_MMX
 	    __asm__ (
 	        "movq	  (%1),	  %%mm0\n"
 	        "movq	 8(%1),	  %%mm1\n"
 	        "movq	16(%1),	  %%mm2\n"
 	        "movq	24(%1),	  %%mm3\n"
 	        "movq	32(%1),	  %%mm4\n"
 	        "movq	40(%1),	  %%mm5\n"
 	        "movq	48(%1),	  %%mm6\n"
 	        "movq	56(%1),	  %%mm7\n"
 	        "movq	%%mm0,	  (%0)\n"
 	        "movq	%%mm1,	 8(%0)\n"
 	        "movq	%%mm2,	16(%0)\n"
 	        "movq	%%mm3,	24(%0)\n"
 	        "movq	%%mm4,	32(%0)\n"
 	        "movq	%%mm5,	40(%0)\n"
 	        "movq	%%mm6,	48(%0)\n"
 	        "movq	%%mm7,	56(%0)\n"
 		:
 		: "r" (d), "r" (s)
 		: "memory",
 		  "%mm0", "%mm1", "%mm2", "%mm3",
 		  "%mm4", "%mm5", "%mm6", "%mm7");
 #else
 	    __m64 v0 = ldq_u ((__m64 *)(s + 0));
 	    __m64 v1 = ldq_u ((__m64 *)(s + 8));
 	    __m64 v2 = ldq_u ((__m64 *)(s + 16));
 	    __m64 v3 = ldq_u ((__m64 *)(s + 24));
 	    __m64 v4 = ldq_u ((__m64 *)(s + 32));
 	    __m64 v5 = ldq_u ((__m64 *)(s + 40));
 	    __m64 v6 = ldq_u ((__m64 *)(s + 48));
 	    __m64 v7 = ldq_u ((__m64 *)(s + 56));
 	    *(__m64 *)(d + 0)  = v0;
 	    *(__m64 *)(d + 8)  = v1;
 	    *(__m64 *)(d + 16) = v2;
 	    *(__m64 *)(d + 24) = v3;
 	    *(__m64 *)(d + 32) = v4;
 	    *(__m64 *)(d + 40) = v5;
 	    *(__m64 *)(d + 48) = v6;
 	    *(__m64 *)(d + 56) = v7;
 #endif
 	    w -= 64;
 	    s += 64;
 	    d += 64;
 	}
 	while (w >= 4)
 	{
 	    *(uint32_t *)d = ldl_u ((uint32_t *)s);
 	    w -= 4;
 	    s += 4;
 	    d += 4;
 	}
 	if (w >= 2)
 	{
 	    *(uint16_t *)d = *(uint16_t *)s;
 	    w -= 2;
 	    s += 2;
 	    d += 2;
 	}
     }
     _mm_empty ();
     return TRUE;
 }
 static void
 mmx_composite_copy_area (pixman_implementation_t *imp,
                          pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     mmx_blt (imp, src_image->bits.bits,
 	     dest_image->bits.bits,
 	     src_image->bits.rowstride,
 	     dest_image->bits.rowstride,
 	     PIXMAN_FORMAT_BPP (src_image->bits.format),
 	     PIXMAN_FORMAT_BPP (dest_image->bits.format),
 	     src_x, src_y, dest_x, dest_y, width, height);
 }
 static void
 mmx_composite_over_x888_8_8888 (pixman_implementation_t *imp,
                                 pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t  *src, *src_line;
     uint32_t  *dst, *dst_line;
     uint8_t  *mask, *mask_line;
     int src_stride, mask_stride, dst_stride;
     int32_t w;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
     PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1);
     PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1);
     while (height--)
     {
 	src = src_line;
 	src_line += src_stride;
 	dst = dst_line;
 	dst_line += dst_stride;
 	mask = mask_line;
 	mask_line += mask_stride;
 	w = width;
 	while (w--)
 	{
 	    uint64_t m = *mask;
 	    if (m)
 	    {
 		uint32_t ssrc = *src | 0xff000000;
 		__m64 s = load8888 (&ssrc);
 		if (m == 0xff)
 		{
 		    store8888 (dst, s);
 		}
 		else
 		{
 		    __m64 sa = expand_alpha (s);
 		    __m64 vm = expand_alpha_rev (to_m64 (m));
 		    __m64 vdest = in_over (s, sa, vm, load8888 (dst));
 		    store8888 (dst, vdest);
 		}
 	    }
 	    mask++;
 	    dst++;
 	    src++;
 	}
     }
     _mm_empty ();
 }
 static void
 mmx_composite_over_reverse_n_8888 (pixman_implementation_t *imp,
                                    pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
     uint32_t src;
     uint32_t    *dst_line, *dst;
     int32_t w;
     int dst_stride;
     __m64 vsrc;
     CHECKPOINT ();
     src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format);
     if (src == 0)
 	return;
     PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1);
     vsrc = load8888 (&src);
     while (height--)
     {
 	dst = dst_line;
 	dst_line += dst_stride;
 	w = width;
 	CHECKPOINT ();
 	while (w && (uintptr_t)dst & 7)
 	{
 	    __m64 vdest = load8888 (dst);
 	    store8888 (dst, over (vdest, expand_alpha (vdest), vsrc));
 	    w--;
 	    dst++;
 	}
 	while (w >= 2)
 	{
 	    __m64 vdest = *(__m64 *)dst;
 	    __m64 dest0 = expand8888 (vdest, 0);
 	    __m64 dest1 = expand8888 (vdest, 1);
 	    dest0 = over (dest0, expand_alpha (dest0), vsrc);
 	    dest1 = over (dest1, expand_alpha (dest1), vsrc);
 	    *(__m64 *)dst = pack8888 (dest0, dest1);
 	    dst += 2;
 	    w -= 2;
 	}
 	CHECKPOINT ();
 	if (w)
 	{
 	    __m64 vdest = load8888 (dst);
 	    store8888 (dst, over (vdest, expand_alpha (vdest), vsrc));
 	}
     }
     _mm_empty ();
 }
 #define BSHIFT ((1 << BILINEAR_INTERPOLATION_BITS))
 #define BMSK (BSHIFT - 1)
 #define BILINEAR_DECLARE_VARIABLES						\
     const __m64 mm_wt = _mm_set_pi16 (wt, wt, wt, wt);				\
     const __m64 mm_wb = _mm_set_pi16 (wb, wb, wb, wb);				\
     const __m64 mm_BSHIFT = _mm_set_pi16 (BSHIFT, BSHIFT, BSHIFT, BSHIFT);	\
     const __m64 mm_addc7 = _mm_set_pi16 (0, 1, 0, 1);				\
     const __m64 mm_xorc7 = _mm_set_pi16 (0, BMSK, 0, BMSK);			\
     const __m64 mm_ux = _mm_set_pi16 (unit_x, unit_x, unit_x, unit_x);		\
     const __m64 mm_zero = _mm_setzero_si64 ();					\
     __m64 mm_x = _mm_set_pi16 (vx, vx, vx, vx)
 #define BILINEAR_INTERPOLATE_ONE_PIXEL(pix)					\
 do {										\
     /* fetch 2x2 pixel block into 2 mmx registers */				\
     __m64 t = ldq_u ((__m64 *)&src_top [pixman_fixed_to_int (vx)]);		\
     __m64 b = ldq_u ((__m64 *)&src_bottom [pixman_fixed_to_int (vx)]);		\
     /* vertical interpolation */						\
     __m64 t_hi = _mm_mullo_pi16 (_mm_unpackhi_pi8 (t, mm_zero), mm_wt);		\
     __m64 t_lo = _mm_mullo_pi16 (_mm_unpacklo_pi8 (t, mm_zero), mm_wt);		\
     __m64 b_hi = _mm_mullo_pi16 (_mm_unpackhi_pi8 (b, mm_zero), mm_wb);		\
     __m64 b_lo = _mm_mullo_pi16 (_mm_unpacklo_pi8 (b, mm_zero), mm_wb);		\
     __m64 hi = _mm_add_pi16 (t_hi, b_hi);					\
     __m64 lo = _mm_add_pi16 (t_lo, b_lo);					\
     vx += unit_x;								\
     if (BILINEAR_INTERPOLATION_BITS < 8)					\
     {										\
 	/* calculate horizontal weights */					\
 	__m64 mm_wh = _mm_add_pi16 (mm_addc7, _mm_xor_si64 (mm_xorc7,		\
 			  _mm_srli_pi16 (mm_x,					\
 - BILINEAR_INTERPOLATION_BITS)));	\
 	/* horizontal interpolation */						\
 	__m64 p = _mm_unpacklo_pi16 (lo, hi);					\
 	__m64 q = _mm_unpackhi_pi16 (lo, hi);					\
 	lo = _mm_madd_pi16 (p, mm_wh);						\
 	hi = _mm_madd_pi16 (q, mm_wh);						\
     }										\
     else									\
     {										\
 	/* calculate horizontal weights */					\
 	__m64 mm_wh_lo = _mm_sub_pi16 (mm_BSHIFT, _mm_srli_pi16 (mm_x,		\
 - BILINEAR_INTERPOLATION_BITS));	\
 	__m64 mm_wh_hi = _mm_srli_pi16 (mm_x,					\
 - BILINEAR_INTERPOLATION_BITS);	\
 	/* horizontal interpolation */						\
 	__m64 mm_lo_lo = _mm_mullo_pi16 (lo, mm_wh_lo);				\
 	__m64 mm_lo_hi = _mm_mullo_pi16 (hi, mm_wh_hi);				\
 	__m64 mm_hi_lo = _mm_mulhi_pu16 (lo, mm_wh_lo);				\
 	__m64 mm_hi_hi = _mm_mulhi_pu16 (hi, mm_wh_hi);				\
 	lo = _mm_add_pi32 (_mm_unpacklo_pi16 (mm_lo_lo, mm_hi_lo),		\
 			   _mm_unpacklo_pi16 (mm_lo_hi, mm_hi_hi));		\
 	hi = _mm_add_pi32 (_mm_unpackhi_pi16 (mm_lo_lo, mm_hi_lo),		\
 			   _mm_unpackhi_pi16 (mm_lo_hi, mm_hi_hi));		\
     }										\
     mm_x = _mm_add_pi16 (mm_x, mm_ux);						\
     /* shift and pack the result */						\
     hi = _mm_srli_pi32 (hi, BILINEAR_INTERPOLATION_BITS * 2);			\
     lo = _mm_srli_pi32 (lo, BILINEAR_INTERPOLATION_BITS * 2);			\
     lo = _mm_packs_pi32 (lo, hi);						\
     lo = _mm_packs_pu16 (lo, lo);						\
     pix = lo;									\
 } while (0)
 #define BILINEAR_SKIP_ONE_PIXEL()						\
 do {										\
     vx += unit_x;								\
     mm_x = _mm_add_pi16 (mm_x, mm_ux);						\
 } while(0)
 static force_inline void
 scaled_bilinear_scanline_mmx_8888_8888_SRC (uint32_t *       dst,
 					    const uint32_t * mask,
 					    const uint32_t * src_top,
 					    const uint32_t * src_bottom,
 					    int32_t          w,
 					    int              wt,
 					    int              wb,
 					    pixman_fixed_t   vx,
 					    pixman_fixed_t   unit_x,
 					    pixman_fixed_t   max_vx,
 					    pixman_bool_t    zero_src)
 {
     BILINEAR_DECLARE_VARIABLES;
     __m64 pix;
     while (w--)
     {
 	BILINEAR_INTERPOLATE_ONE_PIXEL (pix);
 	store (dst, pix);
 	dst++;
     }
     _mm_empty ();
 }
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8888_cover_SRC,
 			       scaled_bilinear_scanline_mmx_8888_8888_SRC,
 			       uint32_t, uint32_t, uint32_t,
 			       COVER, FLAG_NONE)
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8888_pad_SRC,
 			       scaled_bilinear_scanline_mmx_8888_8888_SRC,
 			       uint32_t, uint32_t, uint32_t,
 			       PAD, FLAG_NONE)
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8888_none_SRC,
 			       scaled_bilinear_scanline_mmx_8888_8888_SRC,
 			       uint32_t, uint32_t, uint32_t,
 			       NONE, FLAG_NONE)
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8888_normal_SRC,
 			       scaled_bilinear_scanline_mmx_8888_8888_SRC,
 			       uint32_t, uint32_t, uint32_t,
 			       NORMAL, FLAG_NONE)
 static force_inline void
 scaled_bilinear_scanline_mmx_8888_8888_OVER (uint32_t *       dst,
 					     const uint32_t * mask,
 					     const uint32_t * src_top,
 					     const uint32_t * src_bottom,
 					     int32_t          w,
 					     int              wt,
 					     int              wb,
 					     pixman_fixed_t   vx,
 					     pixman_fixed_t   unit_x,
 					     pixman_fixed_t   max_vx,
 					     pixman_bool_t    zero_src)
 {
     BILINEAR_DECLARE_VARIABLES;
     __m64 pix1, pix2;
     while (w)
     {
 	BILINEAR_INTERPOLATE_ONE_PIXEL (pix1);
 	if (!is_zero (pix1))
 	{
 	    pix2 = load (dst);
 	    store8888 (dst, core_combine_over_u_pixel_mmx (pix1, pix2));
 	}
 	w--;
 	dst++;
     }
     _mm_empty ();
 }
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8888_cover_OVER,
 			       scaled_bilinear_scanline_mmx_8888_8888_OVER,
 			       uint32_t, uint32_t, uint32_t,
 			       COVER, FLAG_NONE)
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8888_pad_OVER,
 			       scaled_bilinear_scanline_mmx_8888_8888_OVER,
 			       uint32_t, uint32_t, uint32_t,
 			       PAD, FLAG_NONE)
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8888_none_OVER,
 			       scaled_bilinear_scanline_mmx_8888_8888_OVER,
 			       uint32_t, uint32_t, uint32_t,
 			       NONE, FLAG_NONE)
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8888_normal_OVER,
 			       scaled_bilinear_scanline_mmx_8888_8888_OVER,
 			       uint32_t, uint32_t, uint32_t,
 			       NORMAL, FLAG_NONE)
 static force_inline void
 scaled_bilinear_scanline_mmx_8888_8_8888_OVER (uint32_t *       dst,
 					       const uint8_t  * mask,
 					       const uint32_t * src_top,
 					       const uint32_t * src_bottom,
 					       int32_t          w,
 					       int              wt,
 					       int              wb,
 					       pixman_fixed_t   vx,
 					       pixman_fixed_t   unit_x,
 					       pixman_fixed_t   max_vx,
 					       pixman_bool_t    zero_src)
 {
     BILINEAR_DECLARE_VARIABLES;
     __m64 pix1, pix2;
     uint32_t m;
     while (w)
     {
 	m = (uint32_t) *mask++;
 	if (m)
 	{
 	    BILINEAR_INTERPOLATE_ONE_PIXEL (pix1);
 	    if (m == 0xff && is_opaque (pix1))
 	    {
 		store (dst, pix1);
 	    }
 	    else
 	    {
 		__m64 ms, md, ma, msa;
 		pix2 = load (dst);
 		ma = expand_alpha_rev (to_m64 (m));
 		ms = _mm_unpacklo_pi8 (pix1, _mm_setzero_si64 ());
 		md = _mm_unpacklo_pi8 (pix2, _mm_setzero_si64 ());
 		msa = expand_alpha (ms);
 		store8888 (dst, (in_over (ms, msa, ma, md)));
 	    }
 	}
 	else
 	{
 	    BILINEAR_SKIP_ONE_PIXEL ();
 	}
 	w--;
 	dst++;
     }
     _mm_empty ();
 }
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8_8888_cover_OVER,
 			       scaled_bilinear_scanline_mmx_8888_8_8888_OVER,
 			       uint32_t, uint8_t, uint32_t,
 			       COVER, FLAG_HAVE_NON_SOLID_MASK)
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8_8888_pad_OVER,
 			       scaled_bilinear_scanline_mmx_8888_8_8888_OVER,
 			       uint32_t, uint8_t, uint32_t,
 			       PAD, FLAG_HAVE_NON_SOLID_MASK)
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8_8888_none_OVER,
 			       scaled_bilinear_scanline_mmx_8888_8_8888_OVER,
 			       uint32_t, uint8_t, uint32_t,
 			       NONE, FLAG_HAVE_NON_SOLID_MASK)
 FAST_BILINEAR_MAINLOOP_COMMON (mmx_8888_8_8888_normal_OVER,
 			       scaled_bilinear_scanline_mmx_8888_8_8888_OVER,
 			       uint32_t, uint8_t, uint32_t,
 			       NORMAL, FLAG_HAVE_NON_SOLID_MASK)
 static uint32_t *
 mmx_fetch_x8r8g8b8 (pixman_iter_t *iter, const uint32_t *mask)
 {
     int w = iter->width;
     uint32_t *dst = iter->buffer;
     uint32_t *src = (uint32_t *)iter->bits;
     iter->bits += iter->stride;
     while (w && ((uintptr_t)dst) & 7)
     {
 	*dst++ = (*src++) | 0xff000000;
 	w--;
     }
     while (w >= 8)
     {
 	__m64 vsrc1 = ldq_u ((__m64 *)(src + 0));
 	__m64 vsrc2 = ldq_u ((__m64 *)(src + 2));
 	__m64 vsrc3 = ldq_u ((__m64 *)(src + 4));
 	__m64 vsrc4 = ldq_u ((__m64 *)(src + 6));
 	*(__m64 *)(dst + 0) = _mm_or_si64 (vsrc1, MC (ff000000));
 	*(__m64 *)(dst + 2) = _mm_or_si64 (vsrc2, MC (ff000000));
 	*(__m64 *)(dst + 4) = _mm_or_si64 (vsrc3, MC (ff000000));
 	*(__m64 *)(dst + 6) = _mm_or_si64 (vsrc4, MC (ff000000));
 	dst += 8;
 	src += 8;
 	w -= 8;
     }
     while (w)
     {
 	*dst++ = (*src++) | 0xff000000;
 	w--;
     }
     _mm_empty ();
     return iter->buffer;
 }
 static uint32_t *
 mmx_fetch_r5g6b5 (pixman_iter_t *iter, const uint32_t *mask)
 {
     int w = iter->width;
     uint32_t *dst = iter->buffer;
     uint16_t *src = (uint16_t *)iter->bits;
     iter->bits += iter->stride;
     while (w && ((uintptr_t)dst) & 0x0f)
     {
 	uint16_t s = *src++;
 	*dst++ = convert_0565_to_8888 (s);
 	w--;
     }
     while (w >= 4)
     {
 	__m64 vsrc = ldq_u ((__m64 *)src);
 	__m64 mm0, mm1;
 	expand_4xpacked565 (vsrc, &mm0, &mm1, 1);
 	*(__m64 *)(dst + 0) = mm0;
 	*(__m64 *)(dst + 2) = mm1;
 	dst += 4;
 	src += 4;
 	w -= 4;
     }
     while (w)
     {
 	uint16_t s = *src++;
 	*dst++ = convert_0565_to_8888 (s);
 	w--;
     }
     _mm_empty ();
     return iter->buffer;
 }
 static uint32_t *
 mmx_fetch_a8 (pixman_iter_t *iter, const uint32_t *mask)
 {
     int w = iter->width;
     uint32_t *dst = iter->buffer;
     uint8_t *src = iter->bits;
     iter->bits += iter->stride;
     while (w && (((uintptr_t)dst) & 15))
     {
         *dst++ = *(src++) << 24;
         w--;
     }
     while (w >= 8)
     {
 	__m64 mm0 = ldq_u ((__m64 *)src);
 	__m64 mm1 = _mm_unpacklo_pi8  (_mm_setzero_si64(), mm0);
 	__m64 mm2 = _mm_unpackhi_pi8  (_mm_setzero_si64(), mm0);
 	__m64 mm3 = _mm_unpacklo_pi16 (_mm_setzero_si64(), mm1);
 	__m64 mm4 = _mm_unpackhi_pi16 (_mm_setzero_si64(), mm1);
 	__m64 mm5 = _mm_unpacklo_pi16 (_mm_setzero_si64(), mm2);
 	__m64 mm6 = _mm_unpackhi_pi16 (_mm_setzero_si64(), mm2);
 	*(__m64 *)(dst + 0) = mm3;
 	*(__m64 *)(dst + 2) = mm4;
 	*(__m64 *)(dst + 4) = mm5;
 	*(__m64 *)(dst + 6) = mm6;
 	dst += 8;
 	src += 8;
 	w -= 8;
     }
     while (w)
     {
 	*dst++ = *(src++) << 24;
 	w--;
     }
     _mm_empty ();
     return iter->buffer;
 }
 typedef struct
 {
     pixman_format_code_t	format;
     pixman_iter_get_scanline_t	get_scanline;
 } fetcher_info_t;
 static const fetcher_info_t fetchers[] =
 {
     { PIXMAN_x8r8g8b8,		mmx_fetch_x8r8g8b8 },
     { PIXMAN_r5g6b5,		mmx_fetch_r5g6b5 },
     { PIXMAN_a8,		mmx_fetch_a8 },
     { PIXMAN_null }
 };
 static pixman_bool_t
 mmx_src_iter_init (pixman_implementation_t *imp, pixman_iter_t *iter)
 {
     pixman_image_t *image = iter->image;
 #define FLAGS								\
     (FAST_PATH_STANDARD_FLAGS | FAST_PATH_ID_TRANSFORM |		\
      FAST_PATH_BITS_IMAGE | FAST_PATH_SAMPLES_COVER_CLIP_NEAREST)
     if ((iter->iter_flags & ITER_NARROW)			&&
 	(iter->image_flags & FLAGS) == FLAGS)
     {
 	const fetcher_info_t *f;
 	for (f = &fetchers[0]; f->format != PIXMAN_null; f++)
 	{
 	    if (image->common.extended_format_code == f->format)
 	    {
 		uint8_t *b = (uint8_t *)image->bits.bits;
 		int s = image->bits.rowstride * 4;
 		iter->bits = b + s * iter->y + iter->x * PIXMAN_FORMAT_BPP (f->format) / 8;
 		iter->stride = s;
 		iter->get_scanline = f->get_scanline;
 		return TRUE;
 	    }
 	}
     }
     return FALSE;
 }
 static const pixman_fast_path_t mmx_fast_paths[] =
 {
     PIXMAN_STD_FAST_PATH    (OVER, solid,    a8,       r5g6b5,   mmx_composite_over_n_8_0565       ),
     PIXMAN_STD_FAST_PATH    (OVER, solid,    a8,       b5g6r5,   mmx_composite_over_n_8_0565       ),
     PIXMAN_STD_FAST_PATH    (OVER, solid,    a8,       a8r8g8b8, mmx_composite_over_n_8_8888       ),
     PIXMAN_STD_FAST_PATH    (OVER, solid,    a8,       x8r8g8b8, mmx_composite_over_n_8_8888       ),
     PIXMAN_STD_FAST_PATH    (OVER, solid,    a8,       a8b8g8r8, mmx_composite_over_n_8_8888       ),
     PIXMAN_STD_FAST_PATH    (OVER, solid,    a8,       x8b8g8r8, mmx_composite_over_n_8_8888       ),
     PIXMAN_STD_FAST_PATH_CA (OVER, solid,    a8r8g8b8, a8r8g8b8, mmx_composite_over_n_8888_8888_ca ),
     PIXMAN_STD_FAST_PATH_CA (OVER, solid,    a8r8g8b8, x8r8g8b8, mmx_composite_over_n_8888_8888_ca ),
     PIXMAN_STD_FAST_PATH_CA (OVER, solid,    a8r8g8b8, r5g6b5,   mmx_composite_over_n_8888_0565_ca ),
     PIXMAN_STD_FAST_PATH_CA (OVER, solid,    a8b8g8r8, a8b8g8r8, mmx_composite_over_n_8888_8888_ca ),
     PIXMAN_STD_FAST_PATH_CA (OVER, solid,    a8b8g8r8, x8b8g8r8, mmx_composite_over_n_8888_8888_ca ),
     PIXMAN_STD_FAST_PATH_CA (OVER, solid,    a8b8g8r8, b5g6r5,   mmx_composite_over_n_8888_0565_ca ),
     PIXMAN_STD_FAST_PATH    (OVER, pixbuf,   pixbuf,   a8r8g8b8, mmx_composite_over_pixbuf_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, pixbuf,   pixbuf,   x8r8g8b8, mmx_composite_over_pixbuf_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, pixbuf,   pixbuf,   r5g6b5,   mmx_composite_over_pixbuf_0565    ),
     PIXMAN_STD_FAST_PATH    (OVER, rpixbuf,  rpixbuf,  a8b8g8r8, mmx_composite_over_pixbuf_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, rpixbuf,  rpixbuf,  x8b8g8r8, mmx_composite_over_pixbuf_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, rpixbuf,  rpixbuf,  b5g6r5,   mmx_composite_over_pixbuf_0565    ),
     PIXMAN_STD_FAST_PATH    (OVER, x8r8g8b8, solid,    a8r8g8b8, mmx_composite_over_x888_n_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, x8r8g8b8, solid,    x8r8g8b8, mmx_composite_over_x888_n_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, x8b8g8r8, solid,    a8b8g8r8, mmx_composite_over_x888_n_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, x8b8g8r8, solid,    x8b8g8r8, mmx_composite_over_x888_n_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, a8r8g8b8, solid,    a8r8g8b8, mmx_composite_over_8888_n_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, a8r8g8b8, solid,    x8r8g8b8, mmx_composite_over_8888_n_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, a8b8g8r8, solid,    a8b8g8r8, mmx_composite_over_8888_n_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, a8b8g8r8, solid,    x8b8g8r8, mmx_composite_over_8888_n_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, x8r8g8b8, a8,       x8r8g8b8, mmx_composite_over_x888_8_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, x8r8g8b8, a8,       a8r8g8b8, mmx_composite_over_x888_8_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, x8b8g8r8, a8,       x8b8g8r8, mmx_composite_over_x888_8_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, x8b8g8r8, a8,       a8b8g8r8, mmx_composite_over_x888_8_8888    ),
     PIXMAN_STD_FAST_PATH    (OVER, solid,    null,     a8r8g8b8, mmx_composite_over_n_8888         ),
     PIXMAN_STD_FAST_PATH    (OVER, solid,    null,     x8r8g8b8, mmx_composite_over_n_8888         ),
     PIXMAN_STD_FAST_PATH    (OVER, solid,    null,     r5g6b5,   mmx_composite_over_n_0565         ),
     PIXMAN_STD_FAST_PATH    (OVER, solid,    null,     b5g6r5,   mmx_composite_over_n_0565         ),
     PIXMAN_STD_FAST_PATH    (OVER, x8r8g8b8, null,     x8r8g8b8, mmx_composite_copy_area           ),
     PIXMAN_STD_FAST_PATH    (OVER, x8b8g8r8, null,     x8b8g8r8, mmx_composite_copy_area           ),
     PIXMAN_STD_FAST_PATH    (OVER, a8r8g8b8, null,     a8r8g8b8, mmx_composite_over_8888_8888      ),
     PIXMAN_STD_FAST_PATH    (OVER, a8r8g8b8, null,     x8r8g8b8, mmx_composite_over_8888_8888      ),
     PIXMAN_STD_FAST_PATH    (OVER, a8r8g8b8, null,     r5g6b5,   mmx_composite_over_8888_0565      ),
     PIXMAN_STD_FAST_PATH    (OVER, a8b8g8r8, null,     a8b8g8r8, mmx_composite_over_8888_8888      ),
     PIXMAN_STD_FAST_PATH    (OVER, a8b8g8r8, null,     x8b8g8r8, mmx_composite_over_8888_8888      ),
     PIXMAN_STD_FAST_PATH    (OVER, a8b8g8r8, null,     b5g6r5,   mmx_composite_over_8888_0565      ),
     PIXMAN_STD_FAST_PATH    (OVER_REVERSE, solid, null, a8r8g8b8, mmx_composite_over_reverse_n_8888),
     PIXMAN_STD_FAST_PATH    (OVER_REVERSE, solid, null, a8b8g8r8, mmx_composite_over_reverse_n_8888),
     PIXMAN_STD_FAST_PATH    (ADD,  r5g6b5,   null,     r5g6b5,   mmx_composite_add_0565_0565       ),
     PIXMAN_STD_FAST_PATH    (ADD,  b5g6r5,   null,     b5g6r5,   mmx_composite_add_0565_0565       ),
     PIXMAN_STD_FAST_PATH    (ADD,  a8r8g8b8, null,     a8r8g8b8, mmx_composite_add_8888_8888       ),
     PIXMAN_STD_FAST_PATH    (ADD,  a8b8g8r8, null,     a8b8g8r8, mmx_composite_add_8888_8888       ),
     PIXMAN_STD_FAST_PATH    (ADD,  a8,       null,     a8,       mmx_composite_add_8_8		   ),
     PIXMAN_STD_FAST_PATH    (ADD,  solid,    a8,       a8,       mmx_composite_add_n_8_8           ),
     PIXMAN_STD_FAST_PATH    (SRC,  a8r8g8b8, null,     r5g6b5,   mmx_composite_src_x888_0565       ),
     PIXMAN_STD_FAST_PATH    (SRC,  a8b8g8r8, null,     b5g6r5,   mmx_composite_src_x888_0565       ),
     PIXMAN_STD_FAST_PATH    (SRC,  x8r8g8b8, null,     r5g6b5,   mmx_composite_src_x888_0565       ),
     PIXMAN_STD_FAST_PATH    (SRC,  x8b8g8r8, null,     b5g6r5,   mmx_composite_src_x888_0565       ),
     PIXMAN_STD_FAST_PATH    (SRC,  solid,    a8,       a8r8g8b8, mmx_composite_src_n_8_8888        ),
     PIXMAN_STD_FAST_PATH    (SRC,  solid,    a8,       x8r8g8b8, mmx_composite_src_n_8_8888        ),
     PIXMAN_STD_FAST_PATH    (SRC,  solid,    a8,       a8b8g8r8, mmx_composite_src_n_8_8888        ),
     PIXMAN_STD_FAST_PATH    (SRC,  solid,    a8,       x8b8g8r8, mmx_composite_src_n_8_8888        ),
     PIXMAN_STD_FAST_PATH    (SRC,  a8r8g8b8, null,     a8r8g8b8, mmx_composite_copy_area           ),
     PIXMAN_STD_FAST_PATH    (SRC,  a8b8g8r8, null,     a8b8g8r8, mmx_composite_copy_area           ),
     PIXMAN_STD_FAST_PATH    (SRC,  a8r8g8b8, null,     x8r8g8b8, mmx_composite_copy_area           ),
     PIXMAN_STD_FAST_PATH    (SRC,  a8b8g8r8, null,     x8b8g8r8, mmx_composite_copy_area           ),
     PIXMAN_STD_FAST_PATH    (SRC,  x8r8g8b8, null,     x8r8g8b8, mmx_composite_copy_area           ),
     PIXMAN_STD_FAST_PATH    (SRC,  x8b8g8r8, null,     x8b8g8r8, mmx_composite_copy_area           ),
     PIXMAN_STD_FAST_PATH    (SRC,  r5g6b5,   null,     r5g6b5,   mmx_composite_copy_area           ),
     PIXMAN_STD_FAST_PATH    (SRC,  b5g6r5,   null,     b5g6r5,   mmx_composite_copy_area           ),
     PIXMAN_STD_FAST_PATH    (IN,   a8,       null,     a8,       mmx_composite_in_8_8              ),
     PIXMAN_STD_FAST_PATH    (IN,   solid,    a8,       a8,       mmx_composite_in_n_8_8            ),
     SIMPLE_BILINEAR_FAST_PATH (SRC, a8r8g8b8,          a8r8g8b8, mmx_8888_8888                     ),
     SIMPLE_BILINEAR_FAST_PATH (SRC, a8r8g8b8,          x8r8g8b8, mmx_8888_8888                     ),
     SIMPLE_BILINEAR_FAST_PATH (SRC, x8r8g8b8,          x8r8g8b8, mmx_8888_8888                     ),
     SIMPLE_BILINEAR_FAST_PATH (SRC, a8b8g8r8,          a8b8g8r8, mmx_8888_8888                     ),
     SIMPLE_BILINEAR_FAST_PATH (SRC, a8b8g8r8,          x8b8g8r8, mmx_8888_8888                     ),
     SIMPLE_BILINEAR_FAST_PATH (SRC, x8b8g8r8,          x8b8g8r8, mmx_8888_8888                     ),
     SIMPLE_BILINEAR_FAST_PATH (OVER, a8r8g8b8,         x8r8g8b8, mmx_8888_8888                     ),
     SIMPLE_BILINEAR_FAST_PATH (OVER, a8b8g8r8,         x8b8g8r8, mmx_8888_8888                     ),
     SIMPLE_BILINEAR_FAST_PATH (OVER, a8r8g8b8,         a8r8g8b8, mmx_8888_8888                     ),
     SIMPLE_BILINEAR_FAST_PATH (OVER, a8b8g8r8,         a8b8g8r8, mmx_8888_8888                     ),
     SIMPLE_BILINEAR_A8_MASK_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8, mmx_8888_8_8888                   ),
     SIMPLE_BILINEAR_A8_MASK_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8, mmx_8888_8_8888                   ),
     SIMPLE_BILINEAR_A8_MASK_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8, mmx_8888_8_8888                   ),
     SIMPLE_BILINEAR_A8_MASK_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8, mmx_8888_8_8888                   ),
     { PIXMAN_OP_NONE },
 };
 pixman_implementation_t *
 _pixman_implementation_create_mmx (pixman_implementation_t *fallback)
 {
     pixman_implementation_t *imp = _pixman_implementation_create (fallback, mmx_fast_paths);
     imp->combine_32[PIXMAN_OP_OVER] = mmx_combine_over_u;
     imp->combine_32[PIXMAN_OP_OVER_REVERSE] = mmx_combine_over_reverse_u;
     imp->combine_32[PIXMAN_OP_IN] = mmx_combine_in_u;
     imp->combine_32[PIXMAN_OP_IN_REVERSE] = mmx_combine_in_reverse_u;
     imp->combine_32[PIXMAN_OP_OUT] = mmx_combine_out_u;
     imp->combine_32[PIXMAN_OP_OUT_REVERSE] = mmx_combine_out_reverse_u;
     imp->combine_32[PIXMAN_OP_ATOP] = mmx_combine_atop_u;
     imp->combine_32[PIXMAN_OP_ATOP_REVERSE] = mmx_combine_atop_reverse_u;
     imp->combine_32[PIXMAN_OP_XOR] = mmx_combine_xor_u;
     imp->combine_32[PIXMAN_OP_ADD] = mmx_combine_add_u;
     imp->combine_32[PIXMAN_OP_SATURATE] = mmx_combine_saturate_u;
     imp->combine_32_ca[PIXMAN_OP_SRC] = mmx_combine_src_ca;
     imp->combine_32_ca[PIXMAN_OP_OVER] = mmx_combine_over_ca;
     imp->combine_32_ca[PIXMAN_OP_OVER_REVERSE] = mmx_combine_over_reverse_ca;
     imp->combine_32_ca[PIXMAN_OP_IN] = mmx_combine_in_ca;
     imp->combine_32_ca[PIXMAN_OP_IN_REVERSE] = mmx_combine_in_reverse_ca;
     imp->combine_32_ca[PIXMAN_OP_OUT] = mmx_combine_out_ca;
     imp->combine_32_ca[PIXMAN_OP_OUT_REVERSE] = mmx_combine_out_reverse_ca;
     imp->combine_32_ca[PIXMAN_OP_ATOP] = mmx_combine_atop_ca;
     imp->combine_32_ca[PIXMAN_OP_ATOP_REVERSE] = mmx_combine_atop_reverse_ca;
     imp->combine_32_ca[PIXMAN_OP_XOR] = mmx_combine_xor_ca;
     imp->combine_32_ca[PIXMAN_OP_ADD] = mmx_combine_add_ca;
     imp->blt = mmx_blt;
     imp->fill = mmx_fill;
     imp->src_iter_init = mmx_src_iter_init;
     return imp;
 }
 #endif /* USE_X86_MMX || USE_ARM_IWMMXT || USE_LOONGSON_MMI */

The Tor Browser / annotate

gfx/cairo/libpixman/src/pixman-mmx.c@6474c204b198 (annotated)

gfx/cairo/libpixman/src/pixman-mmx.c