Annotation of /trunk/libsdl/patches/libsdl-1.2.9-PIC-load-mmx-masks-from-stack.patch
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Revision 144 -
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Tue May 8 20:06:05 2007 UTC (17 years, 1 month ago) by niro
File size: 3901 byte(s)
Tue May 8 20:06:05 2007 UTC (17 years, 1 month ago) by niro
File size: 3901 byte(s)
-import
| 1 | niro | 144 | --- src/hermes/mmxp2_32.asm |
| 2 | +++ src/hermes/mmxp2_32.asm | ||
| 3 | @@ -27,22 +27,37 @@ GLOBAL _ConvertMMXpII32_16BGR565 | ||
| 4 | GLOBAL _ConvertMMXpII32_16RGB555 | ||
| 5 | GLOBAL _ConvertMMXpII32_16BGR555 | ||
| 6 | |||
| 7 | -SECTION .data | ||
| 8 | - | ||
| 9 | -ALIGN 8 | ||
| 10 | - | ||
| 11 | -;; Constants for conversion routines | ||
| 12 | - | ||
| 13 | -mmx32_rgb888_mask dd 00ffffffh,00ffffffh | ||
| 14 | - | ||
| 15 | -mmx32_rgb565_b dd 000000f8h, 000000f8h | ||
| 16 | -mmx32_rgb565_g dd 0000fc00h, 0000fc00h | ||
| 17 | -mmx32_rgb565_r dd 00f80000h, 00f80000h | ||
| 18 | - | ||
| 19 | -mmx32_rgb555_rb dd 00f800f8h,00f800f8h | ||
| 20 | -mmx32_rgb555_g dd 0000f800h,0000f800h | ||
| 21 | -mmx32_rgb555_mul dd 20000008h,20000008h | ||
| 22 | -mmx32_bgr555_mul dd 00082000h,00082000h | ||
| 23 | + | ||
| 24 | +;; Macros for conversion routines | ||
| 25 | + | ||
| 26 | +%macro _push_immq_mask 1 | ||
| 27 | + push dword %1 | ||
| 28 | + push dword %1 | ||
| 29 | +%endmacro | ||
| 30 | + | ||
| 31 | +%macro load_immq 2 | ||
| 32 | + _push_immq_mask %2 | ||
| 33 | + movq %1, [esp] | ||
| 34 | +%endmacro | ||
| 35 | + | ||
| 36 | +%macro pand_immq 2 | ||
| 37 | + _push_immq_mask %2 | ||
| 38 | + pand %1, [esp] | ||
| 39 | +%endmacro | ||
| 40 | + | ||
| 41 | +%define CLEANUP_IMMQ_LOADS(num) \ | ||
| 42 | + add esp, byte 8 * num | ||
| 43 | + | ||
| 44 | +%define mmx32_rgb888_mask 00ffffffh | ||
| 45 | + | ||
| 46 | +%define mmx32_rgb565_b 000000f8h | ||
| 47 | +%define mmx32_rgb565_g 0000fc00h | ||
| 48 | +%define mmx32_rgb565_r 00f80000h | ||
| 49 | + | ||
| 50 | +%define mmx32_rgb555_rb 00f800f8h | ||
| 51 | +%define mmx32_rgb555_g 0000f800h | ||
| 52 | +%define mmx32_rgb555_mul 20000008h | ||
| 53 | +%define mmx32_bgr555_mul 00082000h | ||
| 54 | |||
| 55 | |||
| 56 | |||
| 57 | @@ -53,7 +66,8 @@ SECTION .text | ||
| 58 | _ConvertMMXpII32_24RGB888: | ||
| 59 | |||
| 60 | ; set up mm6 as the mask, mm7 as zero | ||
| 61 | - movq mm6, qword [mmx32_rgb888_mask] | ||
| 62 | + load_immq mm6, mmx32_rgb888_mask | ||
| 63 | + CLEANUP_IMMQ_LOADS(1) | ||
| 64 | pxor mm7, mm7 | ||
| 65 | |||
| 66 | mov edx, ecx ; save ecx | ||
| 67 | @@ -108,9 +122,10 @@ _ConvertMMXpII32_24RGB888: | ||
| 68 | _ConvertMMXpII32_16RGB565: | ||
| 69 | |||
| 70 | ; set up masks | ||
| 71 | - movq mm5, [mmx32_rgb565_b] | ||
| 72 | - movq mm6, [mmx32_rgb565_g] | ||
| 73 | - movq mm7, [mmx32_rgb565_r] | ||
| 74 | + load_immq mm5, mmx32_rgb565_b | ||
| 75 | + load_immq mm6, mmx32_rgb565_g | ||
| 76 | + load_immq mm7, mmx32_rgb565_r | ||
| 77 | + CLEANUP_IMMQ_LOADS(3) | ||
| 78 | |||
| 79 | mov edx, ecx | ||
| 80 | shr ecx, 2 | ||
| 81 | @@ -176,9 +191,10 @@ _ConvertMMXpII32_16RGB565: | ||
| 82 | |||
| 83 | _ConvertMMXpII32_16BGR565: | ||
| 84 | |||
| 85 | - movq mm5, [mmx32_rgb565_r] | ||
| 86 | - movq mm6, [mmx32_rgb565_g] | ||
| 87 | - movq mm7, [mmx32_rgb565_b] | ||
| 88 | + load_immq mm5, mmx32_rgb565_r | ||
| 89 | + load_immq mm6, mmx32_rgb565_g | ||
| 90 | + load_immq mm7, mmx32_rgb565_b | ||
| 91 | + CLEANUP_IMMQ_LOADS(3) | ||
| 92 | |||
| 93 | mov edx, ecx | ||
| 94 | shr ecx, 2 | ||
| 95 | @@ -253,7 +269,7 @@ _ConvertMMXpII32_16BGR555: | ||
| 96 | ; except it uses a different multiplier for the pmaddwd | ||
| 97 | ; instruction. cool huh. | ||
| 98 | |||
| 99 | - movq mm7, qword [mmx32_bgr555_mul] | ||
| 100 | + load_immq mm7, mmx32_bgr555_mul | ||
| 101 | jmp _convert_bgr555_cheat | ||
| 102 | |||
| 103 | ; This is the same as the Intel version.. they obviously went to | ||
| 104 | @@ -263,9 +279,10 @@ _ConvertMMXpII32_16BGR555: | ||
| 105 | ; (I think) a more accurate name.. | ||
| 106 | _ConvertMMXpII32_16RGB555: | ||
| 107 | |||
| 108 | - movq mm7,qword [mmx32_rgb555_mul] | ||
| 109 | + load_immq mm7, mmx32_rgb555_mul | ||
| 110 | _convert_bgr555_cheat: | ||
| 111 | - movq mm6,qword [mmx32_rgb555_g] | ||
| 112 | + load_immq mm6, mmx32_rgb555_g | ||
| 113 | + CLEANUP_IMMQ_LOADS(2) | ||
| 114 | |||
| 115 | mov edx,ecx ; Save ecx | ||
| 116 | |||
| 117 | @@ -280,12 +297,14 @@ _convert_bgr555_cheat: | ||
| 118 | movq mm0,[esi] | ||
| 119 | movq mm3,mm2 | ||
| 120 | |||
| 121 | - pand mm3,qword [mmx32_rgb555_rb] | ||
| 122 | + pand_immq mm3, mmx32_rgb555_rb | ||
| 123 | movq mm1,mm0 | ||
| 124 | |||
| 125 | - pand mm1,qword [mmx32_rgb555_rb] | ||
| 126 | + pand_immq mm1, mmx32_rgb555_rb | ||
| 127 | pmaddwd mm3,mm7 | ||
| 128 | |||
| 129 | + CLEANUP_IMMQ_LOADS(2) | ||
| 130 | + | ||
| 131 | pmaddwd mm1,mm7 | ||
| 132 | pand mm2,mm6 | ||
| 133 | |||
| 134 | @@ -302,13 +321,13 @@ _convert_bgr555_cheat: | ||
| 135 | movq mm0,mm4 | ||
| 136 | psrld mm1,6 | ||
| 137 | |||
| 138 | - pand mm0,qword [mmx32_rgb555_rb] | ||
| 139 | + pand_immq mm0, mmx32_rgb555_rb | ||
| 140 | packssdw mm1,mm3 | ||
| 141 | |||
| 142 | movq mm3,mm5 | ||
| 143 | pmaddwd mm0,mm7 | ||
| 144 | |||
| 145 | - pand mm3,qword [mmx32_rgb555_rb] | ||
| 146 | + pand_immq mm3, mmx32_rgb555_rb | ||
| 147 | pand mm4,mm6 | ||
| 148 | |||
| 149 | movq [edi],mm1 | ||
| 150 | @@ -329,12 +348,14 @@ _convert_bgr555_cheat: | ||
| 151 | movq mm3,mm2 | ||
| 152 | movq mm1,mm0 | ||
| 153 | |||
| 154 | - pand mm3,qword [mmx32_rgb555_rb] | ||
| 155 | + pand_immq mm3, mmx32_rgb555_rb | ||
| 156 | packssdw mm5,mm4 | ||
| 157 | |||
| 158 | - pand mm1,qword [mmx32_rgb555_rb] | ||
| 159 | + pand_immq mm1, mmx32_rgb555_rb | ||
| 160 | pand mm2,mm6 | ||
| 161 | |||
| 162 | + CLEANUP_IMMQ_LOADS(4) | ||
| 163 | + | ||
| 164 | movq [edi+8],mm5 | ||
| 165 | pmaddwd mm3,mm7 | ||
| 166 |