Contents of /trunk/smpeg/patches/smpeg-0.4.4-pic.patch
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Revision 153 -
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Tue May 8 20:52:56 2007 UTC (17 years ago) by niro
File size: 9472 byte(s)
Tue May 8 20:52:56 2007 UTC (17 years ago) by niro
File size: 9472 byte(s)
-import
| 1 | Fix PIC issues in mmx routines |
| 2 | |
| 3 | --- video/mmxflags_asm.S |
| 4 | +++ video/mmxflags_asm.S |
| 5 | @@ -1,11 +1,6 @@ |
| 6 | |
| 7 | #if defined(i386) && defined(USE_MMX) |
| 8 | |
| 9 | -.data |
| 10 | - .align 16 |
| 11 | - .type flags,@object |
| 12 | -flags: .long 0 |
| 13 | - |
| 14 | .text |
| 15 | .align 4 |
| 16 | .globl cpu_flags |
| 17 | @@ -40,16 +35,13 @@ cpu_flags: |
| 18 | xorl %ecx,%eax |
| 19 | je cpu_flags.L1 |
| 20 | |
| 21 | - pusha |
| 22 | + pushl %ebx |
| 23 | |
| 24 | movl $1,%eax |
| 25 | cpuid |
| 26 | + movl %edx,%eax |
| 27 | |
| 28 | - movl %edx,flags |
| 29 | - |
| 30 | - popa |
| 31 | - |
| 32 | - movl flags,%eax |
| 33 | + popl %ebx |
| 34 | |
| 35 | cpu_flags.L1: |
| 36 | ret |
| 37 | --- video/mmxidct_asm.S |
| 38 | +++ video/mmxidct_asm.S |
| 39 | @@ -31,11 +31,6 @@ preSC: .short 16384,22725,21407,19266, |
| 40 | x0005000200010001: |
| 41 | .long 0x00010001,0x00050002 |
| 42 | .align 8 |
| 43 | - .type x0040000000000000,@object |
| 44 | - .size x0040000000000000,8 |
| 45 | -x0040000000000000: |
| 46 | - .long 0, 0x00400000 |
| 47 | - .align 8 |
| 48 | .type x5a825a825a825a82,@object |
| 49 | .size x5a825a825a825a82,8 |
| 50 | x5a825a825a825a82: |
| 51 | @@ -80,8 +75,21 @@ scratch7: |
| 52 | x0: |
| 53 | .long 0,0 |
| 54 | .align 8 |
| 55 | + |
| 56 | .text |
| 57 | .align 4 |
| 58 | + |
| 59 | +#ifdef __PIC__ |
| 60 | +# undef __i686 /* gcc define gets in our way */ |
| 61 | +# define MUNG(sym) sym ## @GOTOFF(%ebx) |
| 62 | +# define INIT_PIC() \ |
| 63 | + call __i686.get_pc_thunk.bx ; \ |
| 64 | + addl $_GLOBAL_OFFSET_TABLE_, %ebx |
| 65 | +#else |
| 66 | +# define MUNG(sym) sym |
| 67 | +# define INIT_PIC() |
| 68 | +#endif |
| 69 | + |
| 70 | .globl IDCT_mmx |
| 71 | .type IDCT_mmx,@function |
| 72 | IDCT_mmx: |
| 73 | @@ -92,8 +100,9 @@ IDCT_mmx: |
| 74 | pushl %edx |
| 75 | pushl %esi |
| 76 | pushl %edi |
| 77 | + INIT_PIC() |
| 78 | movl 8(%ebp),%esi /* source matrix */ |
| 79 | - leal preSC, %ecx |
| 80 | + leal MUNG(preSC), %ecx |
| 81 | /* column 0: even part |
| 82 | * use V4, V12, V0, V8 to produce V22..V25 |
| 83 | */ |
| 84 | @@ -109,7 +118,7 @@ IDCT_mmx: |
| 85 | movq %mm1, %mm2 /* added 11/1/96 */ |
| 86 | pmulhw 8*8(%esi),%mm5 /* V8 */ |
| 87 | psubsw %mm0, %mm1 /* V16 */ |
| 88 | - pmulhw x5a825a825a825a82, %mm1 /* 23170 ->V18 */ |
| 89 | + pmulhw MUNG(x5a825a825a825a82), %mm1 /* 23170 ->V18 */ |
| 90 | paddsw %mm0, %mm2 /* V17 */ |
| 91 | movq %mm2, %mm0 /* duplicate V17 */ |
| 92 | psraw $1, %mm2 /* t75=t82 */ |
| 93 | @@ -150,7 +159,7 @@ IDCT_mmx: |
| 94 | paddsw %mm0, %mm3 /* V29 ; free mm0 */ |
| 95 | movq %mm7, %mm1 /* duplicate V26 */ |
| 96 | psraw $1, %mm3 /* t91=t94 */ |
| 97 | - pmulhw x539f539f539f539f,%mm7 /* V33 */ |
| 98 | + pmulhw MUNG(x539f539f539f539f),%mm7 /* V33 */ |
| 99 | psraw $1, %mm1 /* t96 */ |
| 100 | movq %mm5, %mm0 /* duplicate V2 */ |
| 101 | psraw $2, %mm4 /* t85=t87 */ |
| 102 | @@ -158,15 +167,15 @@ IDCT_mmx: |
| 103 | psubsw %mm4, %mm0 /* V28 ; free mm4 */ |
| 104 | movq %mm0, %mm2 /* duplicate V28 */ |
| 105 | psraw $1, %mm5 /* t90=t93 */ |
| 106 | - pmulhw x4546454645464546,%mm0 /* V35 */ |
| 107 | + pmulhw MUNG(x4546454645464546),%mm0 /* V35 */ |
| 108 | psraw $1, %mm2 /* t97 */ |
| 109 | movq %mm5, %mm4 /* duplicate t90=t93 */ |
| 110 | psubsw %mm2, %mm1 /* V32 ; free mm2 */ |
| 111 | - pmulhw x61f861f861f861f8,%mm1 /* V36 */ |
| 112 | + pmulhw MUNG(x61f861f861f861f8),%mm1 /* V36 */ |
| 113 | psllw $1, %mm7 /* t107 */ |
| 114 | paddsw %mm3, %mm5 /* V31 */ |
| 115 | psubsw %mm3, %mm4 /* V30 ; free mm3 */ |
| 116 | - pmulhw x5a825a825a825a82,%mm4 /* V34 */ |
| 117 | + pmulhw MUNG(x5a825a825a825a82),%mm4 /* V34 */ |
| 118 | nop |
| 119 | psubsw %mm1, %mm0 /* V38 */ |
| 120 | psubsw %mm7, %mm1 /* V37 ; free mm7 */ |
| 121 | @@ -233,7 +242,7 @@ IDCT_mmx: |
| 122 | psubsw %mm7, %mm1 /* V50 */ |
| 123 | pmulhw 8*9(%esi), %mm5 /* V9 */ |
| 124 | paddsw %mm7, %mm2 /* V51 */ |
| 125 | - pmulhw x5a825a825a825a82, %mm1 /* 23170 ->V52 */ |
| 126 | + pmulhw MUNG(x5a825a825a825a82), %mm1 /* 23170 ->V52 */ |
| 127 | movq %mm2, %mm6 /* duplicate V51 */ |
| 128 | psraw $1, %mm2 /* t138=t144 */ |
| 129 | movq %mm3, %mm4 /* duplicate V1 */ |
| 130 | @@ -274,11 +283,11 @@ IDCT_mmx: |
| 131 | * even more by doing the correction step in a later stage when the number |
| 132 | * is actually multiplied by 16 |
| 133 | */ |
| 134 | - paddw x0005000200010001, %mm4 |
| 135 | + paddw MUNG(x0005000200010001), %mm4 |
| 136 | psubsw %mm6, %mm3 /* V60 ; free mm6 */ |
| 137 | psraw $1, %mm0 /* t154=t156 */ |
| 138 | movq %mm3, %mm1 /* duplicate V60 */ |
| 139 | - pmulhw x539f539f539f539f, %mm1 /* V67 */ |
| 140 | + pmulhw MUNG(x539f539f539f539f), %mm1 /* V67 */ |
| 141 | movq %mm5, %mm6 /* duplicate V3 */ |
| 142 | psraw $2, %mm4 /* t148=t150 */ |
| 143 | paddsw %mm4, %mm5 /* V61 */ |
| 144 | @@ -287,13 +296,13 @@ IDCT_mmx: |
| 145 | psllw $1, %mm1 /* t169 */ |
| 146 | paddsw %mm0, %mm5 /* V65 -> result */ |
| 147 | psubsw %mm0, %mm4 /* V64 ; free mm0 */ |
| 148 | - pmulhw x5a825a825a825a82, %mm4 /* V68 */ |
| 149 | + pmulhw MUNG(x5a825a825a825a82), %mm4 /* V68 */ |
| 150 | psraw $1, %mm3 /* t158 */ |
| 151 | psubsw %mm6, %mm3 /* V66 */ |
| 152 | movq %mm5, %mm2 /* duplicate V65 */ |
| 153 | - pmulhw x61f861f861f861f8, %mm3 /* V70 */ |
| 154 | + pmulhw MUNG(x61f861f861f861f8), %mm3 /* V70 */ |
| 155 | psllw $1, %mm6 /* t165 */ |
| 156 | - pmulhw x4546454645464546, %mm6 /* V69 */ |
| 157 | + pmulhw MUNG(x4546454645464546), %mm6 /* V69 */ |
| 158 | psraw $1, %mm2 /* t172 */ |
| 159 | /* moved from next block */ |
| 160 | movq 8*5(%esi), %mm0 /* V56 */ |
| 161 | @@ -418,7 +427,7 @@ IDCT_mmx: |
| 162 | * movq 8*13(%esi), %mm4 tmt13 |
| 163 | */ |
| 164 | psubsw %mm4, %mm3 /* V134 */ |
| 165 | - pmulhw x5a825a825a825a82, %mm3 /* 23170 ->V136 */ |
| 166 | + pmulhw MUNG(x5a825a825a825a82), %mm3 /* 23170 ->V136 */ |
| 167 | movq 8*9(%esi), %mm6 /* tmt9 */ |
| 168 | paddsw %mm4, %mm5 /* V135 ; mm4 free */ |
| 169 | movq %mm0, %mm4 /* duplicate tmt1 */ |
| 170 | @@ -447,17 +456,17 @@ IDCT_mmx: |
| 171 | psubsw %mm7, %mm0 /* V144 */ |
| 172 | movq %mm0, %mm3 /* duplicate V144 */ |
| 173 | paddsw %mm7, %mm2 /* V147 ; free mm7 */ |
| 174 | - pmulhw x539f539f539f539f, %mm0 /* 21407-> V151 */ |
| 175 | + pmulhw MUNG(x539f539f539f539f), %mm0 /* 21407-> V151 */ |
| 176 | movq %mm1, %mm7 /* duplicate tmt3 */ |
| 177 | paddsw %mm5, %mm7 /* V145 */ |
| 178 | psubsw %mm5, %mm1 /* V146 ; free mm5 */ |
| 179 | psubsw %mm1, %mm3 /* V150 */ |
| 180 | movq %mm7, %mm5 /* duplicate V145 */ |
| 181 | - pmulhw x4546454645464546, %mm1 /* 17734-> V153 */ |
| 182 | + pmulhw MUNG(x4546454645464546), %mm1 /* 17734-> V153 */ |
| 183 | psubsw %mm2, %mm5 /* V148 */ |
| 184 | - pmulhw x61f861f861f861f8, %mm3 /* 25080-> V154 */ |
| 185 | + pmulhw MUNG(x61f861f861f861f8), %mm3 /* 25080-> V154 */ |
| 186 | psllw $2, %mm0 /* t311 */ |
| 187 | - pmulhw x5a825a825a825a82, %mm5 /* 23170-> V152 */ |
| 188 | + pmulhw MUNG(x5a825a825a825a82), %mm5 /* 23170-> V152 */ |
| 189 | paddsw %mm2, %mm7 /* V149 ; free mm2 */ |
| 190 | psllw $1, %mm1 /* t313 */ |
| 191 | nop /* without the nop - freeze here for one clock */ |
| 192 | @@ -483,7 +492,7 @@ IDCT_mmx: |
| 193 | paddsw %mm3, %mm6 /* V164 ; free mm3 */ |
| 194 | movq %mm4, %mm3 /* duplicate V142 */ |
| 195 | psubsw %mm5, %mm4 /* V165 ; free mm5 */ |
| 196 | - movq %mm2, scratch7 /* out7 */ |
| 197 | + movq %mm2, MUNG(scratch7) /* out7 */ |
| 198 | psraw $4, %mm6 |
| 199 | psraw $4, %mm4 |
| 200 | paddsw %mm5, %mm3 /* V162 */ |
| 201 | @@ -494,11 +503,11 @@ IDCT_mmx: |
| 202 | */ |
| 203 | movq %mm6, 8*9(%esi) /* out9 */ |
| 204 | paddsw %mm1, %mm0 /* V161 */ |
| 205 | - movq %mm3, scratch5 /* out5 */ |
| 206 | + movq %mm3, MUNG(scratch5) /* out5 */ |
| 207 | psubsw %mm1, %mm5 /* V166 ; free mm1 */ |
| 208 | movq %mm4, 8*11(%esi) /* out11 */ |
| 209 | psraw $4, %mm5 |
| 210 | - movq %mm0, scratch3 /* out3 */ |
| 211 | + movq %mm0, MUNG(scratch3) /* out3 */ |
| 212 | movq %mm2, %mm4 /* duplicate V140 */ |
| 213 | movq %mm5, 8*13(%esi) /* out13 */ |
| 214 | paddsw %mm7, %mm2 /* V160 */ |
| 215 | @@ -508,7 +517,7 @@ IDCT_mmx: |
| 216 | /* moved from the next block */ |
| 217 | movq 8*3(%esi), %mm7 |
| 218 | psraw $4, %mm4 |
| 219 | - movq %mm2, scratch1 /* out1 */ |
| 220 | + movq %mm2, MUNG(scratch1) /* out1 */ |
| 221 | /* moved from the next block */ |
| 222 | movq %mm0, %mm1 |
| 223 | movq %mm4, 8*15(%esi) /* out15 */ |
| 224 | @@ -565,15 +574,15 @@ IDCT_mmx: |
| 225 | paddsw %mm4, %mm3 /* V113 ; free mm4 */ |
| 226 | movq %mm0, %mm4 /* duplicate V110 */ |
| 227 | paddsw %mm1, %mm2 /* V111 */ |
| 228 | - pmulhw x539f539f539f539f, %mm0 /* 21407-> V117 */ |
| 229 | + pmulhw MUNG(x539f539f539f539f), %mm0 /* 21407-> V117 */ |
| 230 | psubsw %mm1, %mm5 /* V112 ; free mm1 */ |
| 231 | psubsw %mm5, %mm4 /* V116 */ |
| 232 | movq %mm2, %mm1 /* duplicate V111 */ |
| 233 | - pmulhw x4546454645464546, %mm5 /* 17734-> V119 */ |
| 234 | + pmulhw MUNG(x4546454645464546), %mm5 /* 17734-> V119 */ |
| 235 | psubsw %mm3, %mm2 /* V114 */ |
| 236 | - pmulhw x61f861f861f861f8, %mm4 /* 25080-> V120 */ |
| 237 | + pmulhw MUNG(x61f861f861f861f8), %mm4 /* 25080-> V120 */ |
| 238 | paddsw %mm3, %mm1 /* V115 ; free mm3 */ |
| 239 | - pmulhw x5a825a825a825a82, %mm2 /* 23170-> V118 */ |
| 240 | + pmulhw MUNG(x5a825a825a825a82), %mm2 /* 23170-> V118 */ |
| 241 | psllw $2, %mm0 /* t266 */ |
| 242 | movq %mm1, (%esi) /* save V115 */ |
| 243 | psllw $1, %mm5 /* t268 */ |
| 244 | @@ -591,7 +600,7 @@ IDCT_mmx: |
| 245 | movq %mm6, %mm3 /* duplicate tmt4 */ |
| 246 | psubsw %mm0, %mm6 /* V100 */ |
| 247 | paddsw %mm0, %mm3 /* V101 ; free mm0 */ |
| 248 | - pmulhw x5a825a825a825a82, %mm6 /* 23170 ->V102 */ |
| 249 | + pmulhw MUNG(x5a825a825a825a82), %mm6 /* 23170 ->V102 */ |
| 250 | movq %mm7, %mm5 /* duplicate tmt0 */ |
| 251 | movq 8*8(%esi), %mm1 /* tmt8 */ |
| 252 | paddsw %mm1, %mm7 /* V103 */ |
| 253 | @@ -625,10 +634,10 @@ IDCT_mmx: |
| 254 | movq 8*2(%esi), %mm3 /* V123 */ |
| 255 | paddsw %mm4, %mm7 /* out0 */ |
| 256 | /* moved up from next block */ |
| 257 | - movq scratch3, %mm0 |
| 258 | + movq MUNG(scratch3), %mm0 |
| 259 | psraw $4, %mm7 |
| 260 | /* moved up from next block */ |
| 261 | - movq scratch5, %mm6 |
| 262 | + movq MUNG(scratch5), %mm6 |
| 263 | psubsw %mm4, %mm1 /* out14 ; free mm4 */ |
| 264 | paddsw %mm3, %mm5 /* out2 */ |
| 265 | psraw $4, %mm1 |
| 266 | @@ -639,7 +648,7 @@ IDCT_mmx: |
| 267 | movq %mm5, 8*2(%esi) /* out2 ; free mm5 */ |
| 268 | psraw $4, %mm2 |
| 269 | /* moved up to the prev block */ |
| 270 | - movq scratch7, %mm4 |
| 271 | + movq MUNG(scratch7), %mm4 |
| 272 | /* moved up to the prev block */ |
| 273 | psraw $4, %mm0 |
| 274 | movq %mm2, 8*12(%esi) /* out12 ; free mm2 */ |
| 275 | @@ -647,13 +656,13 @@ IDCT_mmx: |
| 276 | psraw $4, %mm6 |
| 277 | /* move back the data to its correct place |
| 278 | * moved up to the prev block |
| 279 | - * movq scratch3, %mm0 |
| 280 | - * movq scratch5, %mm6 |
| 281 | - * movq scratch7, %mm4 |
| 282 | + * movq MUNG(scratch3), %mm0 |
| 283 | + * movq MUNG(scratch5), %mm6 |
| 284 | + * movq MUNG(scratch7), %mm4 |
| 285 | * psraw $4, %mm0 |
| 286 | * psraw $4, %mm6 |
| 287 | */ |
| 288 | - movq scratch1, %mm1 |
| 289 | + movq MUNG(scratch1), %mm1 |
| 290 | psraw $4, %mm4 |
| 291 | movq %mm0, 8*3(%esi) /* out3 */ |
| 292 | psraw $4, %mm1 |
| 293 | @@ -671,6 +680,15 @@ IDCT_mmx: |
| 294 | .Lfe1: |
| 295 | .size IDCT_mmx,.Lfe1-IDCT_mmx |
| 296 | |
| 297 | +#ifdef __PIC__ |
| 298 | + .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits |
| 299 | +.globl __i686.get_pc_thunk.bx |
| 300 | + .hidden __i686.get_pc_thunk.bx |
| 301 | + .type __i686.get_pc_thunk.bx,@function |
| 302 | + __i686.get_pc_thunk.bx: |
| 303 | + movl (%esp), %ebx |
| 304 | + ret |
| 305 | +#endif |
| 306 | |
| 307 | #endif /* i386 && USE_MMX */ |
| 308 |