diff options
Diffstat (limited to 'gst-libs/gst/idct/mmxidct.S')
| -rw-r--r-- | gst-libs/gst/idct/mmxidct.S | 740 |
1 files changed, 0 insertions, 740 deletions
diff --git a/gst-libs/gst/idct/mmxidct.S b/gst-libs/gst/idct/mmxidct.S deleted file mode 100644 index 1b15be57..00000000 --- a/gst-libs/gst/idct/mmxidct.S +++ /dev/null @@ -1,740 +0,0 @@ -/* - * the input data is tranposed and each 16 bit element in the 8x8 matrix - * is left aligned: - * for example in 11...1110000 format - * If the iDCT is of I macroblock then 0.5 needs to be added to the;DC Component - * (element[0][0] of the matrix) - * - * Notes: - * - the scratchN variables should be put on the stack to avoid - * reentrancy problems - */ - -#ifdef PIC -#define pic_offset(a) a@GOTOFF(%ebx) -#else -#define pic_offset(a) a -#endif - -/* extrn re_matrix */ - -.data - .align 16 - .type preSC,@object -preSC: .short 16384,22725,21407,19266,16384,12873,8867,4520 - .short 22725,31521,29692,26722,22725,17855,12299,6270 - .short 21407,29692,27969,25172,21407,16819,11585,5906 - .short 19266,26722,25172,22654,19266,15137,10426,5315 - .short 16384,22725,21407,19266,16384,12873,8867,4520 - .short 12873,17855,16819,15137,25746,20228,13933,7103 - .short 17734,24598,23170,20853,17734,13933,9597,4892 - .short 18081,25080,23624,21261,18081,14206,9785,4988 - .size preSC,128 - .align 8 - .type x0005000200010001,@object - .size x0005000200010001,8 -x0005000200010001: - .long 0x00010001,0x00050002 - .align 8 - .type x0040000000000000,@object - .size x0040000000000000,8 -x0040000000000000: - .long 0, 0x00400000 - .align 8 - .type x5a825a825a825a82,@object - .size x5a825a825a825a82,8 -x5a825a825a825a82: - .long 0x5a825a82, 0x5a825a82 - .align 8 - .type x539f539f539f539f,@object - .size x539f539f539f539f,8 -x539f539f539f539f: - .long 0x539f539f,0x539f539f - .align 8 - .type x4546454645464546,@object - .size x4546454645464546,8 -x4546454645464546: - .long 0x45464546,0x45464546 - .align 8 - .type x61f861f861f861f8,@object - .size x61f861f861f861f8,8 -x61f861f861f861f8: - .long 0x61f861f8,0x61f861f8 - .type x0004000000000000,@object - .size x0004000000000000,8 -x0004000000000000: - .long 0x00000000,0x00040000 - .type x0000000000000004,@object - .size x0000000000000004,8 -x0000000000000004: - .long 0x00000004,0x00000000 - .align 8 - .type scratch1,@object - .size scratch1,8 -scratch1: - .long 0,0 - .align 8 - .type scratch3,@object - .size scratch3,8 -scratch3: - .long 0,0 - .align 8 - .type scratch5,@object - .size scratch5,8 -scratch5: - .long 0,0 - .align 8 - .type scratch7,@object - .size scratch7,8 -scratch7: - .long 0,0 - .type x0,@object - .size x0,8 -x0: - .long 0,0 - .align 8 -.text - .align 4 -.globl gst_idct_mmx_idct - .type gst_idct_mmx_idct,@function -gst_idct_mmx_idct: - pushl %ebp - movl %esp,%ebp - pushl %ebx - pushl %ecx - pushl %edx - pushl %esi - pushl %edi -#ifdef PIC - call here -here: popl %ebx - addl $_GLOBAL_OFFSET_TABLE_+[.-here],%ebx -#endif - movl 8(%ebp),%esi /* source matrix */ - movq (%esi), %mm0 - paddw pic_offset(x0000000000000004), %mm0 - movq 8(%esi), %mm1 - psllw $4, %mm0 - movq 16(%esi), %mm2 - psllw $4, %mm1 - movq 24(%esi), %mm3 - psllw $4, %mm2 - movq 32(%esi), %mm4 - psllw $4, %mm3 - movq 40(%esi), %mm5 - psllw $4, %mm4 - movq 48(%esi), %mm6 - psllw $4, %mm5 - movq 56(%esi), %mm7 - psllw $4, %mm6 - psllw $4, %mm7 - movq %mm0, (%esi) - movq %mm1, 8(%esi) - movq %mm2,16(%esi) - movq %mm3,24(%esi) - movq %mm4,32(%esi) - movq %mm5,40(%esi) - movq %mm6,48(%esi) - movq %mm7,56(%esi) - movq 64(%esi), %mm0 - movq 72(%esi), %mm1 - psllw $4, %mm0 - movq 80(%esi), %mm2 - psllw $4, %mm1 - movq 88(%esi), %mm3 - psllw $4, %mm2 - movq 96(%esi), %mm4 - psllw $4, %mm3 - movq 104(%esi), %mm5 - psllw $4, %mm4 - movq 112(%esi), %mm6 - psllw $4, %mm5 - movq 120(%esi), %mm7 - psllw $4, %mm6 - psllw $4, %mm7 - movq %mm0,64(%esi) - movq %mm1,72(%esi) - movq %mm2,80(%esi) - movq %mm3,88(%esi) - movq %mm4,96(%esi) - movq %mm5,104(%esi) - movq %mm6,112(%esi) - movq %mm7,120(%esi) - leal pic_offset(preSC), %ecx -/* column 0: even part - * use V4, V12, V0, V8 to produce V22..V25 - */ - movq 8*12(%ecx), %mm0 /* maybe the first mul can be done together */ - /* with the dequantization in iHuff module */ - pmulhw 8*12(%esi), %mm0 /* V12 */ - movq 8*4(%ecx), %mm1 - pmulhw 8*4(%esi), %mm1 /* V4 */ - movq (%ecx), %mm3 - psraw $1, %mm0 /* t64=t66 */ - pmulhw (%esi), %mm3 /* V0 */ - movq 8*8(%ecx), %mm5 /* duplicate V4 */ - movq %mm1, %mm2 /* added 11/1/96 */ - pmulhw 8*8(%esi),%mm5 /* V8 */ - psubsw %mm0, %mm1 /* V16 */ - pmulhw pic_offset(x5a825a825a825a82), %mm1 /* 23170 ->V18 */ - paddsw %mm0, %mm2 /* V17 */ - movq %mm2, %mm0 /* duplicate V17 */ - psraw $1, %mm2 /* t75=t82 */ - psraw $2, %mm0 /* t72 */ - movq %mm3, %mm4 /* duplicate V0 */ - paddsw %mm5, %mm3 /* V19 */ - psubsw %mm5, %mm4 /* V20 ;mm5 free */ -/* moved from the block below */ - movq 8*10(%ecx), %mm7 - psraw $1, %mm3 /* t74=t81 */ - movq %mm3, %mm6 /* duplicate t74=t81 */ - psraw $2, %mm4 /* t77=t79 */ - psubsw %mm0, %mm1 /* V21 ; mm0 free */ - paddsw %mm2, %mm3 /* V22 */ - movq %mm1, %mm5 /* duplicate V21 */ - paddsw %mm4, %mm1 /* V23 */ - movq %mm3, 8*4(%esi) /* V22 */ - psubsw %mm5, %mm4 /* V24; mm5 free */ - movq %mm1, 8*12(%esi) /* V23 */ - psubsw %mm2, %mm6 /* V25; mm2 free */ - movq %mm4, (%esi) /* V24 */ -/* keep mm6 alive all along the next block */ - /* movq %mm6, 8*8(%esi) V25 */ -/* column 0: odd part - * use V2, V6, V10, V14 to produce V31, V39, V40, V41 - */ -/* moved above: movq 8*10(%ecx), %mm7 */ - - pmulhw 8*10(%esi), %mm7 /* V10 */ - movq 8*6(%ecx), %mm0 - pmulhw 8*6(%esi), %mm0 /* V6 */ - movq 8*2(%ecx), %mm5 - movq %mm7, %mm3 /* duplicate V10 */ - pmulhw 8*2(%esi), %mm5 /* V2 */ - movq 8*14(%ecx), %mm4 - psubsw %mm0, %mm7 /* V26 */ - pmulhw 8*14(%esi), %mm4 /* V14 */ - paddsw %mm0, %mm3 /* V29 ; free mm0 */ - movq %mm7, %mm1 /* duplicate V26 */ - psraw $1, %mm3 /* t91=t94 */ - pmulhw pic_offset(x539f539f539f539f),%mm7 /* V33 */ - psraw $1, %mm1 /* t96 */ - movq %mm5, %mm0 /* duplicate V2 */ - psraw $2, %mm4 /* t85=t87 */ - paddsw %mm4,%mm5 /* V27 */ - psubsw %mm4, %mm0 /* V28 ; free mm4 */ - movq %mm0, %mm2 /* duplicate V28 */ - psraw $1, %mm5 /* t90=t93 */ - pmulhw pic_offset(x4546454645464546),%mm0 /* V35 */ - psraw $1, %mm2 /* t97 */ - movq %mm5, %mm4 /* duplicate t90=t93 */ - psubsw %mm2, %mm1 /* V32 ; free mm2 */ - pmulhw pic_offset(x61f861f861f861f8),%mm1 /* V36 */ - psllw $1, %mm7 /* t107 */ - paddsw %mm3, %mm5 /* V31 */ - psubsw %mm3, %mm4 /* V30 ; free mm3 */ - pmulhw pic_offset(x5a825a825a825a82),%mm4 /* V34 */ - nop - psubsw %mm1, %mm0 /* V38 */ - psubsw %mm7, %mm1 /* V37 ; free mm7 */ - psllw $1, %mm1 /* t114 */ -/* move from the next block */ - movq %mm6, %mm3 /* duplicate V25 */ -/* move from the next block */ - movq 8*4(%esi), %mm7 /* V22 */ - psllw $1, %mm0 /* t110 */ - psubsw %mm5, %mm0 /* V39 (mm5 needed for next block) */ - psllw $2, %mm4 /* t112 */ -/* moved from the next block */ - movq 8*12(%esi), %mm2 /* V23 */ - psubsw %mm0, %mm4 /* V40 */ - paddsw %mm4, %mm1 /* V41; free mm0 */ -/* moved from the next block */ - psllw $1, %mm2 /* t117=t125 */ -/* column 0: output butterfly */ -/* moved above: - * movq %mm6, %mm3 duplicate V25 - * movq 8*4(%esi), %mm7 V22 - * movq 8*12(%esi), %mm2 V23 - * psllw $1, %mm2 t117=t125 - */ - psubsw %mm1, %mm6 /* tm6 */ - paddsw %mm1, %mm3 /* tm8; free mm1 */ - movq %mm7, %mm1 /* duplicate V22 */ - paddsw %mm5, %mm7 /* tm0 */ - movq %mm3, 8*8(%esi) /* tm8; free mm3 */ - psubsw %mm5, %mm1 /* tm14; free mm5 */ - movq %mm6, 8*6(%esi) /* tm6; free mm6 */ - movq %mm2, %mm3 /* duplicate t117=t125 */ - movq (%esi), %mm6 /* V24 */ - paddsw %mm0, %mm2 /* tm2 */ - movq %mm7, (%esi) /* tm0; free mm7 */ - psubsw %mm0, %mm3 /* tm12; free mm0 */ - movq %mm1, 8*14(%esi) /* tm14; free mm1 */ - psllw $1, %mm6 /* t119=t123 */ - movq %mm2, 8*2(%esi) /* tm2; free mm2 */ - movq %mm6, %mm0 /* duplicate t119=t123 */ - movq %mm3, 8*12(%esi) /* tm12; free mm3 */ - paddsw %mm4, %mm6 /* tm4 */ -/* moved from next block */ - movq 8*5(%ecx), %mm1 - psubsw %mm4, %mm0 /* tm10; free mm4 */ -/* moved from next block */ - pmulhw 8*5(%esi), %mm1 /* V5 */ - movq %mm6, 8*4(%esi) /* tm4; free mm6 */ - movq %mm0, 8*10(%esi) /* tm10; free mm0 */ -/* column 1: even part - * use V5, V13, V1, V9 to produce V56..V59 - */ -/* moved to prev block: - * movq 8*5(%ecx), %mm1 - * pmulhw 8*5(%esi), %mm1 V5 - */ - movq 8*13(%ecx), %mm7 - psllw $1, %mm1 /* t128=t130 */ - pmulhw 8*13(%esi), %mm7 /* V13 */ - movq %mm1, %mm2 /* duplicate t128=t130 */ - movq 8(%ecx), %mm3 - pmulhw 8(%esi), %mm3 /* V1 */ - movq 8*9(%ecx), %mm5 - psubsw %mm7, %mm1 /* V50 */ - pmulhw 8*9(%esi), %mm5 /* V9 */ - paddsw %mm7, %mm2 /* V51 */ - pmulhw pic_offset(x5a825a825a825a82), %mm1 /* 23170 ->V52 */ - movq %mm2, %mm6 /* duplicate V51 */ - psraw $1, %mm2 /* t138=t144 */ - movq %mm3, %mm4 /* duplicate V1 */ - psraw $2, %mm6 /* t136 */ - paddsw %mm5, %mm3 /* V53 */ - psubsw %mm5, %mm4 /* V54 ;mm5 free */ - movq %mm3, %mm7 /* duplicate V53 */ -/* moved from next block */ - movq 8*11(%ecx), %mm0 - psraw $1, %mm4 /* t140=t142 */ - psubsw %mm6, %mm1 /* V55 ; mm6 free */ - paddsw %mm2, %mm3 /* V56 */ - movq %mm4, %mm5 /* duplicate t140=t142 */ - paddsw %mm1, %mm4 /* V57 */ - movq %mm3, 8*5(%esi) /* V56 */ - psubsw %mm1, %mm5 /* V58; mm1 free */ - movq %mm4, 8*13(%esi) /* V57 */ - psubsw %mm2, %mm7 /* V59; mm2 free */ - movq %mm5, 8*9(%esi) /* V58 */ -/* keep mm7 alive all along the next block - * movq %mm7, 8(%esi) V59 - * moved above - * movq 8*11(%ecx), %mm0 - */ - pmulhw 8*11(%esi), %mm0 /* V11 */ - movq 8*7(%ecx), %mm6 - pmulhw 8*7(%esi), %mm6 /* V7 */ - movq 8*15(%ecx), %mm4 - movq %mm0, %mm3 /* duplicate V11 */ - pmulhw 8*15(%esi), %mm4 /* V15 */ - movq 8*3(%ecx), %mm5 - psllw $1, %mm6 /* t146=t152 */ - pmulhw 8*3(%esi), %mm5 /* V3 */ - paddsw %mm6, %mm0 /* V63 */ -/* note that V15 computation has a correction step: - * this is a 'magic' constant that rebiases the results to be closer to the - * expected result. this magic constant can be refined to reduce the error - * even more by doing the correction step in a later stage when the number - * is actually multiplied by 16 - */ - paddw pic_offset(x0005000200010001), %mm4 - psubsw %mm6, %mm3 /* V60 ; free mm6 */ - psraw $1, %mm0 /* t154=t156 */ - movq %mm3, %mm1 /* duplicate V60 */ - pmulhw pic_offset(x539f539f539f539f), %mm1 /* V67 */ - movq %mm5, %mm6 /* duplicate V3 */ - psraw $2, %mm4 /* t148=t150 */ - paddsw %mm4, %mm5 /* V61 */ - psubsw %mm4, %mm6 /* V62 ; free mm4 */ - movq %mm5, %mm4 /* duplicate V61 */ - psllw $1, %mm1 /* t169 */ - paddsw %mm0, %mm5 /* V65 -> result */ - psubsw %mm0, %mm4 /* V64 ; free mm0 */ - pmulhw pic_offset(x5a825a825a825a82), %mm4 /* V68 */ - psraw $1, %mm3 /* t158 */ - psubsw %mm6, %mm3 /* V66 */ - movq %mm5, %mm2 /* duplicate V65 */ - pmulhw pic_offset(x61f861f861f861f8), %mm3 /* V70 */ - psllw $1, %mm6 /* t165 */ - pmulhw pic_offset(x4546454645464546), %mm6 /* V69 */ - psraw $1, %mm2 /* t172 */ -/* moved from next block */ - movq 8*5(%esi), %mm0 /* V56 */ - psllw $1, %mm4 /* t174 */ -/* moved from next block */ - psraw $1, %mm0 /* t177=t188 */ - nop - psubsw %mm3, %mm6 /* V72 */ - psubsw %mm1, %mm3 /* V71 ; free mm1 */ - psubsw %mm2, %mm6 /* V73 ; free mm2 */ -/* moved from next block */ - psraw $1, %mm5 /* t178=t189 */ - psubsw %mm6, %mm4 /* V74 */ -/* moved from next block */ - movq %mm0, %mm1 /* duplicate t177=t188 */ - paddsw %mm4, %mm3 /* V75 */ -/* moved from next block */ - paddsw %mm5, %mm0 /* tm1 */ -/* location - * 5 - V56 - * 13 - V57 - * 9 - V58 - * X - V59, mm7 - * X - V65, mm5 - * X - V73, mm6 - * X - V74, mm4 - * X - V75, mm3 - * free mm0, mm1 & mm2 - * moved above - * movq 8*5(%esi), %mm0 V56 - * psllw $1, %mm0 t177=t188 ! new !! - * psllw $1, %mm5 t178=t189 ! new !! - * movq %mm0, %mm1 duplicate t177=t188 - * paddsw %mm5, %mm0 tm1 - */ - movq 8*13(%esi), %mm2 /* V57 */ - psubsw %mm5, %mm1 /* tm15; free mm5 */ - movq %mm0, 8(%esi) /* tm1; free mm0 */ - psraw $1, %mm7 /* t182=t184 ! new !! */ -/* save the store as used directly in the transpose - * movq %mm1, 120(%esi) tm15; free mm1 - */ - movq %mm7, %mm5 /* duplicate t182=t184 */ - psubsw %mm3, %mm7 /* tm7 */ - paddsw %mm3, %mm5 /* tm9; free mm3 */ - movq 8*9(%esi), %mm0 /* V58 */ - movq %mm2, %mm3 /* duplicate V57 */ - movq %mm7, 8*7(%esi) /* tm7; free mm7 */ - psubsw %mm6, %mm3 /* tm13 */ - paddsw %mm6, %mm2 /* tm3 ; free mm6 */ -/* moved up from the transpose */ - movq %mm3, %mm7 -/* moved up from the transpose */ - punpcklwd %mm1, %mm3 - movq %mm0, %mm6 /* duplicate V58 */ - movq %mm2, 8*3(%esi) /* tm3; free mm2 */ - paddsw %mm4, %mm0 /* tm5 */ - psubsw %mm4, %mm6 /* tm11; free mm4 */ -/* moved up from the transpose */ - punpckhwd %mm1, %mm7 - movq %mm0, 8*5(%esi) /* tm5; free mm0 */ -/* moved up from the transpose */ - movq %mm5, %mm2 -/* transpose - M4 part - * --------- --------- - * | M1 | M2 | | M1'| M3'| - * --------- --> --------- - * | M3 | M4 | | M2'| M4'| - * --------- --------- - * Two alternatives: use full mmword approach so the following code can be - * scheduled before the transpose is done without stores, or use the faster - * half mmword stores (when possible) - */ - movd %mm3, 8*9+4(%esi) /* MS part of tmt9 */ - punpcklwd %mm6, %mm5 - movd %mm7, 8*13+4(%esi) /* MS part of tmt13 */ - punpckhwd %mm6, %mm2 - movd %mm5, 8*9(%esi) /* LS part of tmt9 */ - punpckhdq %mm3, %mm5 /* free mm3 */ - movd %mm2, 8*13(%esi) /* LS part of tmt13 */ - punpckhdq %mm7, %mm2 /* free mm7 */ -/* moved up from the M3 transpose */ - movq 8*8(%esi), %mm0 -/* moved up from the M3 transpose */ - movq 8*10(%esi), %mm1 -/* moved up from the M3 transpose */ - movq %mm0, %mm3 -/* shuffle the rest of the data, and write it with 2 mmword writes */ - movq %mm5, 8*11(%esi) /* tmt11 */ -/* moved up from the M3 transpose */ - punpcklwd %mm1, %mm0 - movq %mm2, 8*15(%esi) /* tmt15 */ -/* moved up from the M3 transpose */ - punpckhwd %mm1, %mm3 -/* transpose - M3 part - * moved up to previous code section - * movq 8*8(%esi), %mm0 - * movq 8*10(%esi), %mm1 - * movq %mm0, %mm3 - * punpcklwd %mm1, %mm0 - * punpckhwd %mm1, %mm3 - */ - movq 8*12(%esi), %mm6 - movq 8*14(%esi), %mm4 - movq %mm6, %mm2 -/* shuffle the data and write the lower parts of the transposed in 4 dwords */ - punpcklwd %mm4, %mm6 - movq %mm0, %mm1 - punpckhdq %mm6, %mm1 - movq %mm3, %mm7 - punpckhwd %mm4, %mm2 /* free mm4 */ - punpckldq %mm6, %mm0 /* free mm6 */ -/* moved from next block */ - movq 8*13(%esi), %mm4 /* tmt13 */ - punpckldq %mm2, %mm3 - punpckhdq %mm2, %mm7 /* free mm2 */ -/* moved from next block */ - movq %mm3, %mm5 /* duplicate tmt5 */ -/* column 1: even part (after transpose) -* moved above -* movq %mm3, %mm5 duplicate tmt5 -* movq 8*13(%esi), %mm4 tmt13 -*/ - psubsw %mm4, %mm3 /* V134 */ - pmulhw pic_offset(x5a825a825a825a82), %mm3 /* 23170 ->V136 */ - movq 8*9(%esi), %mm6 /* tmt9 */ - paddsw %mm4, %mm5 /* V135 ; mm4 free */ - movq %mm0, %mm4 /* duplicate tmt1 */ - paddsw %mm6, %mm0 /* V137 */ - psubsw %mm6, %mm4 /* V138 ; mm6 free */ - psllw $2, %mm3 /* t290 */ - psubsw %mm5, %mm3 /* V139 */ - movq %mm0, %mm6 /* duplicate V137 */ - paddsw %mm5, %mm0 /* V140 */ - movq %mm4, %mm2 /* duplicate V138 */ - paddsw %mm3, %mm2 /* V141 */ - psubsw %mm3, %mm4 /* V142 ; mm3 free */ - movq %mm0, 8*9(%esi) /* V140 */ - psubsw %mm5, %mm6 /* V143 ; mm5 free */ -/* moved from next block */ - movq 8*11(%esi), %mm0 /* tmt11 */ - movq %mm2, 8*13(%esi) /* V141 */ -/* moved from next block */ - movq %mm0, %mm2 /* duplicate tmt11 */ -/* column 1: odd part (after transpose) */ -/* moved up to the prev block - * movq 8*11(%esi), %mm0 tmt11 - * movq %mm0, %mm2 duplicate tmt11 - */ - movq 8*15(%esi), %mm5 /* tmt15 */ - psubsw %mm7, %mm0 /* V144 */ - movq %mm0, %mm3 /* duplicate V144 */ - paddsw %mm7, %mm2 /* V147 ; free mm7 */ - pmulhw pic_offset(x539f539f539f539f), %mm0 /* 21407-> V151 */ - movq %mm1, %mm7 /* duplicate tmt3 */ - paddsw %mm5, %mm7 /* V145 */ - psubsw %mm5, %mm1 /* V146 ; free mm5 */ - psubsw %mm1, %mm3 /* V150 */ - movq %mm7, %mm5 /* duplicate V145 */ - pmulhw pic_offset(x4546454645464546), %mm1 /* 17734-> V153 */ - psubsw %mm2, %mm5 /* V148 */ - pmulhw pic_offset(x61f861f861f861f8), %mm3 /* 25080-> V154 */ - psllw $2, %mm0 /* t311 */ - pmulhw pic_offset(x5a825a825a825a82), %mm5 /* 23170-> V152 */ - paddsw %mm2, %mm7 /* V149 ; free mm2 */ - psllw $1, %mm1 /* t313 */ - nop /* without the nop - freeze here for one clock */ - movq %mm3, %mm2 /* duplicate V154 */ - psubsw %mm0, %mm3 /* V155 ; free mm0 */ - psubsw %mm2, %mm1 /* V156 ; free mm2 */ -/* moved from the next block */ - movq %mm6, %mm2 /* duplicate V143 */ -/* moved from the next block */ - movq 8*13(%esi), %mm0 /* V141 */ - psllw $1, %mm1 /* t315 */ - psubsw %mm7, %mm1 /* V157 (keep V149) */ - psllw $2, %mm5 /* t317 */ - psubsw %mm1, %mm5 /* V158 */ - psllw $1, %mm3 /* t319 */ - paddsw %mm5, %mm3 /* V159 */ -/* column 1: output butterfly (after transform) - * moved to the prev block - * movq %mm6, %mm2 duplicate V143 - * movq 8*13(%esi), %mm0 V141 - */ - psubsw %mm3, %mm2 /* V163 */ - paddsw %mm3, %mm6 /* V164 ; free mm3 */ - movq %mm4, %mm3 /* duplicate V142 */ - psubsw %mm5, %mm4 /* V165 ; free mm5 */ - movq %mm2, pic_offset(scratch7) /* out7 */ - psraw $4, %mm6 - psraw $4, %mm4 - paddsw %mm5, %mm3 /* V162 */ - movq 8*9(%esi), %mm2 /* V140 */ - movq %mm0, %mm5 /* duplicate V141 */ -/* in order not to perculate this line up, - * we read 72(%esi) very near to this location - */ - movq %mm6, 8*9(%esi) /* out9 */ - paddsw %mm1, %mm0 /* V161 */ - movq %mm3, pic_offset(scratch5) /* out5 */ - psubsw %mm1, %mm5 /* V166 ; free mm1 */ - movq %mm4, 8*11(%esi) /* out11 */ - psraw $4, %mm5 - movq %mm0, pic_offset(scratch3) /* out3 */ - movq %mm2, %mm4 /* duplicate V140 */ - movq %mm5, 8*13(%esi) /* out13 */ - paddsw %mm7, %mm2 /* V160 */ -/* moved from the next block */ - movq 8(%esi), %mm0 - psubsw %mm7, %mm4 /* V167 ; free mm7 */ -/* moved from the next block */ - movq 8*3(%esi), %mm7 - psraw $4, %mm4 - movq %mm2, pic_offset(scratch1) /* out1 */ -/* moved from the next block */ - movq %mm0, %mm1 - movq %mm4, 8*15(%esi) /* out15 */ -/* moved from the next block */ - punpcklwd %mm7, %mm0 -/* transpose - M2 parts - * moved up to the prev block - * movq 8(%esi), %mm0 - * movq 8*3(%esi), %mm7 - * movq %mm0, %mm1 - * punpcklwd %mm7, %mm0 - */ - movq 8*5(%esi), %mm5 - punpckhwd %mm7, %mm1 - movq 8*7(%esi), %mm4 - movq %mm5, %mm3 -/* shuffle the data and write the lower parts of the trasposed in 4 dwords */ - movd %mm0, 8*8(%esi) /* LS part of tmt8 */ - punpcklwd %mm4, %mm5 - movd %mm1, 8*12(%esi) /* LS part of tmt12 */ - punpckhwd %mm4, %mm3 - movd %mm5, 8*8+4(%esi) /* MS part of tmt8 */ - punpckhdq %mm5, %mm0 /* tmt10 */ - movd %mm3, 8*12+4(%esi) /* MS part of tmt12 */ - punpckhdq %mm3, %mm1 /* tmt14 */ -/* transpose - M1 parts */ - movq (%esi), %mm7 - movq 8*2(%esi), %mm2 - movq %mm7, %mm6 - movq 8*4(%esi), %mm5 - punpcklwd %mm2, %mm7 - movq 8*6(%esi), %mm4 - punpckhwd %mm2, %mm6 /* free mm2 */ - movq %mm5, %mm3 - punpcklwd %mm4, %mm5 - punpckhwd %mm4, %mm3 /* free mm4 */ - movq %mm7, %mm2 - movq %mm6, %mm4 - punpckldq %mm5, %mm7 /* tmt0 */ - punpckhdq %mm5, %mm2 /* tmt2 ; free mm5 */ -/* shuffle the rest of the data, and write it with 2 mmword writes */ - punpckldq %mm3, %mm6 /* tmt4 */ -/* moved from next block */ - movq %mm2, %mm5 /* duplicate tmt2 */ - punpckhdq %mm3, %mm4 /* tmt6 ; free mm3 */ -/* moved from next block */ - movq %mm0, %mm3 /* duplicate tmt10 */ -/* column 0: odd part (after transpose) - *moved up to prev block - * movq %mm0, %mm3 duplicate tmt10 - * movq %mm2, %mm5 duplicate tmt2 - */ - psubsw %mm4, %mm0 /* V110 */ - paddsw %mm4, %mm3 /* V113 ; free mm4 */ - movq %mm0, %mm4 /* duplicate V110 */ - paddsw %mm1, %mm2 /* V111 */ - pmulhw pic_offset(x539f539f539f539f), %mm0 /* 21407-> V117 */ - psubsw %mm1, %mm5 /* V112 ; free mm1 */ - psubsw %mm5, %mm4 /* V116 */ - movq %mm2, %mm1 /* duplicate V111 */ - pmulhw pic_offset(x4546454645464546), %mm5 /* 17734-> V119 */ - psubsw %mm3, %mm2 /* V114 */ - pmulhw pic_offset(x61f861f861f861f8), %mm4 /* 25080-> V120 */ - paddsw %mm3, %mm1 /* V115 ; free mm3 */ - pmulhw pic_offset(x5a825a825a825a82), %mm2 /* 23170-> V118 */ - psllw $2, %mm0 /* t266 */ - movq %mm1, (%esi) /* save V115 */ - psllw $1, %mm5 /* t268 */ - psubsw %mm4, %mm5 /* V122 */ - psubsw %mm0, %mm4 /* V121 ; free mm0 */ - psllw $1, %mm5 /* t270 */ - psubsw %mm1, %mm5 /* V123 ; free mm1 */ - psllw $2, %mm2 /* t272 */ - psubsw %mm5, %mm2 /* V124 (keep V123) */ - psllw $1, %mm4 /* t274 */ - movq %mm5, 8*2(%esi) /* save V123 ; free mm5 */ - paddsw %mm2, %mm4 /* V125 (keep V124) */ -/* column 0: even part (after transpose) */ - movq 8*12(%esi), %mm0 /* tmt12 */ - movq %mm6, %mm3 /* duplicate tmt4 */ - psubsw %mm0, %mm6 /* V100 */ - paddsw %mm0, %mm3 /* V101 ; free mm0 */ - pmulhw pic_offset(x5a825a825a825a82), %mm6 /* 23170 ->V102 */ - movq %mm7, %mm5 /* duplicate tmt0 */ - movq 8*8(%esi), %mm1 /* tmt8 */ - paddsw %mm1, %mm7 /* V103 */ - psubsw %mm1, %mm5 /* V104 ; free mm1 */ - movq %mm7, %mm0 /* duplicate V103 */ - psllw $2, %mm6 /* t245 */ - paddsw %mm3, %mm7 /* V106 */ - movq %mm5, %mm1 /* duplicate V104 */ - psubsw %mm3, %mm6 /* V105 */ - psubsw %mm3, %mm0 /* V109; free mm3 */ - paddsw %mm6, %mm5 /* V107 */ - psubsw %mm6, %mm1 /* V108 ; free mm6 */ -/* column 0: output butterfly (after transform) */ - movq %mm1, %mm3 /* duplicate V108 */ - paddsw %mm2, %mm1 /* out4 */ - psraw $4, %mm1 - psubsw %mm2, %mm3 /* out10 ; free mm2 */ - psraw $4, %mm3 - movq %mm0, %mm6 /* duplicate V109 */ - movq %mm1, 8*4(%esi) /* out4 ; free mm1 */ - psubsw %mm4, %mm0 /* out6 */ - movq %mm3, 8*10(%esi) /* out10 ; free mm3 */ - psraw $4, %mm0 - paddsw %mm4, %mm6 /* out8 ; free mm4 */ - movq %mm7, %mm1 /* duplicate V106 */ - movq %mm0, 8*6(%esi) /* out6 ; free mm0 */ - psraw $4, %mm6 - movq (%esi), %mm4 /* V115 */ - movq %mm6, 8*8(%esi) /* out8 ; free mm6 */ - movq %mm5, %mm2 /* duplicate V107 */ - movq 8*2(%esi), %mm3 /* V123 */ - paddsw %mm4, %mm7 /* out0 */ -/* moved up from next block */ - movq pic_offset(scratch3), %mm0 - psraw $4, %mm7 -/* moved up from next block */ - movq pic_offset(scratch5), %mm6 - psubsw %mm4, %mm1 /* out14 ; free mm4 */ - paddsw %mm3, %mm5 /* out2 */ - psraw $4, %mm1 - movq %mm7, (%esi) /* out0 ; free mm7 */ - psraw $4, %mm5 - movq %mm1, 8*14(%esi) /* out14 ; free mm1 */ - psubsw %mm3, %mm2 /* out12 ; free mm3 */ - movq %mm5, 8*2(%esi) /* out2 ; free mm5 */ - psraw $4, %mm2 -/* moved up to the prev block */ - movq pic_offset(scratch7), %mm4 -/* moved up to the prev block */ - psraw $4, %mm0 - movq %mm2, 8*12(%esi) /* out12 ; free mm2 */ -/* moved up to the prev block */ - psraw $4, %mm6 -/* move back the data to its correct place -* moved up to the prev block - * movq pic_offset(scratch3), %mm0 - * movq pic_offset(scratch5), %mm6 - * movq pic_offset(scratch7), %mm4 - * psraw $4, %mm0 - * psraw $4, %mm6 -*/ - movq pic_offset(scratch1), %mm1 - psraw $4, %mm4 - movq %mm0, 8*3(%esi) /* out3 */ - psraw $4, %mm1 - movq %mm6, 8*5(%esi) /* out5 */ - movq %mm4, 8*7(%esi) /* out7 */ - movq %mm1, 8(%esi) /* out1 */ - emms - popl %edi - popl %esi - popl %edx - popl %ecx - popl %ebx - movl %ebp,%esp - popl %ebp - ret -.Lfe1: - .size gst_idct_mmx_idct,.Lfe1-gst_idct_mmx_idct |