/* * Mesa 3-D graphics library * Version: 5.1 * * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* * 3Dnow assembly code by Holger Waechtler */ #ifdef USE_3DNOW_ASM #include "assyntax.h" #include "matypes.h" #include "norm_args.h" SEG_TEXT #define M(i) REGOFF(i * 4, ECX) #define STRIDE REGOFF(12, ESI) ALIGNTEXT16 GLOBL GLNAME(_mesa_3dnow_transform_normalize_normals) HIDDEN(_mesa_3dnow_transform_normalize_normals) GLNAME(_mesa_3dnow_transform_normalize_normals): #define FRAME_OFFSET 12 PUSH_L ( EDI ) PUSH_L ( ESI ) PUSH_L ( EBP ) MOV_L ( ARG_LENGTHS, EDI ) MOV_L ( ARG_IN, ESI ) MOV_L ( ARG_DEST, EAX ) MOV_L ( REGOFF(V4F_COUNT, ESI), EBP ) /* dest->count = in->count */ MOV_L ( EBP, REGOFF(V4F_COUNT, EAX) ) MOV_L ( REGOFF(V4F_START, ESI), EDX ) /* in->start */ MOV_L ( REGOFF(V4F_START, EAX), EAX ) /* dest->start */ MOV_L ( ARG_MAT, ECX ) MOV_L ( REGOFF(MATRIX_INV, ECX), ECX ) /* mat->inv */ CMP_L ( CONST(0), EBP ) /* count > 0 ?? */ JE ( LLBL (G3TN_end) ) MOV_L ( REGOFF (V4F_COUNT, ESI), EBP ) FEMMS PUSH_L ( EBP ) PUSH_L ( EAX ) PUSH_L ( EDX ) /* save counter & pointer for */ /* the normalize pass */ #undef FRAME_OFFSET #define FRAME_OFFSET 24 MOVQ ( M(0), MM3 ) /* m1 | m0 */ MOVQ ( M(4), MM4 ) /* m5 | m4 */ MOVD ( M(2), MM5 ) /* | m2 */ PUNPCKLDQ ( M(6), MM5 ) /* m6 | m2 */ MOVQ ( M(8), MM6 ) /* m9 | m8 */ MOVQ ( M(10), MM7 ) /* | m10 */ CMP_L ( CONST(0), EDI ) /* lengths == 0 ? */ JNE ( LLBL (G3TN_scale_end ) ) MOVD ( ARG_SCALE, MM0 ) /* | scale */ PUNPCKLDQ ( MM0, MM0 ) /* scale | scale */ PFMUL ( MM0, MM3 ) /* scale * m1 | scale * m0 */ PFMUL ( MM0, MM4 ) /* scale * m5 | scale * m4 */ PFMUL ( MM0, MM5 ) /* scale * m6 | scale * m2 */ PFMUL ( MM0, MM6 ) /* scale * m9 | scale * m8 */ PFMUL ( MM0, MM7 ) /* | scale * m10 */ ALIGNTEXT32 LLBL (G3TN_scale_end): LLBL (G3TN_transform): MOVQ ( REGIND (EDX), MM0 ) /* x1 | x0 */ MOVD ( REGOFF (8, EDX), MM2 ) /* | x2 */ MOVQ ( MM0, MM1 ) /* x1 | x0 */ PUNPCKLDQ ( MM2, MM2 ) /* x2 | x2 */ PFMUL ( MM3, MM0 ) /* x1*m1 | x0*m0 */ ADD_L ( CONST(16), EAX ) /* next r */ PREFETCHW ( REGIND(EAX) ) PFMUL ( MM4, MM1 ) /* x1*m5 | x0*m4 */ PFACC ( MM1, MM0 ) /* x0*m4+x1*m5 | x0*m0+x1*m1 */ PFMUL ( MM5, MM2 ) /* x2*m6 | x2*m2 */ PFADD ( MM2, MM0 ) /* x0*m4+x1*m5+x2*m6| x0*m0+...+x2**/ MOVQ ( REGIND (EDX), MM1 ) /* x1 | x0 */ MOVQ ( MM0, REGOFF(-16, EAX) ) /* write r0, r1 */ PFMUL ( MM6, MM1 ) /* x1*m9 | x0*m8 */ MOVD ( REGOFF (8, EDX), MM2 ) /* | x2 */ PFMUL ( MM7, MM2 ) /* | x2*m10 */ PFACC ( MM1, MM1 ) /* *not used* | x0*m8+x1*m9 */ PFADD ( MM2, MM1 ) /* *not used* | x0*m8+x1*m9+x2*m*/ ADD_L ( STRIDE, EDX ) /* next normal */ PREFETCH ( REGIND(EDX) ) MOVD ( MM1, REGOFF(-8, EAX) ) /* write r2 */ SUB_L ( CONST(1), EBP ) /* decrement normal counter */ JNZ ( LLBL (G3TN_transform) ) POP_L ( EDX ) /* end of transform --- */ POP_L ( EAX ) /* now normalizing ... */ POP_L ( EBP ) CMP_L ( CONST(0), EDI ) /* lengths == 0 ? */ JE ( LLBL (G3TN_norm ) ) /* calculate lengths */ ALIGNTEXT32 LLBL (G3TN_norm_w_lengths): PREFETCHW ( REGOFF(12,EAX) ) MOVQ ( REGIND(EAX), MM0 ) /* x1 | x0 */ MOVD ( REGOFF(8, EAX), MM1 ) /* | x2 */ MOVD ( REGIND (EDI), MM3 ) /* | length (x) */ PFMUL ( MM3, MM1 ) /* | x2 (normalize*/ PUNPCKLDQ ( MM3, MM3 ) /* length (x) | length (x) */ PFMUL ( MM3, MM0 ) /* x1 (normalized) | x0 (normalize*/ ADD_L ( STRIDE, EDX ) /* next normal */ ADD_L ( CONST(4), EDI ) /* next length */ PREFETCH ( REGIND(EDI) ) MOVQ ( MM0, REGIND(EAX) ) /* write new x0, x1 */ MOVD ( MM1, REGOFF(8, EAX) ) /* write new x2 */ ADD_L ( CONST(16), EAX ) /* next r */ SUB_L ( CONST(1), EBP ) /* decrement normal counter */ JNZ ( LLBL (G3TN_norm_w_lengths) ) JMP ( LLBL (G3TN_exit_3dnow) ) ALIGNTEXT32 LLBL (G3TN_norm): PREFETCHW ( REGIND(EAX) ) MOVQ ( REGIND (EAX), MM0 ) /* x1 | x0 */ MOVD ( REGOFF(8, EAX), MM1 ) /* | x2 */ MOVQ ( MM0, MM3 ) /* x1 | x0 */ MOVQ ( MM1, MM4 ) /* | x2 */ PFMUL ( MM0, MM3 ) /* x1*x1 | x0*x0 */ ADD_L ( CONST(16), EAX ) /* next r */ PFMUL ( MM1, MM4 ) /* | x2*x2 */ PFADD ( MM4, MM3 ) /* | x0*x0+x2*x2 */ PFACC ( MM3, MM3 ) /* **not used** | x0*x0+x1*x1+x2**/ PFRSQRT ( MM3, MM5 ) /* 1/sqrt (x0*x0+x1*x1+x2*x2) */ MOVQ ( MM5, MM4 ) PUNPCKLDQ ( MM3, MM3 ) SUB_L ( CONST(1), EBP ) /* decrement normal counter */ PFMUL ( MM5, MM5 ) PFRSQIT1 ( MM3, MM5 ) PFRCPIT2 ( MM4, MM5 ) PFMUL ( MM5, MM0 ) /* x1 (normalized) | x0 (normalize*/ MOVQ ( MM0, REGOFF(-16, EAX) ) /* write new x0, x1 */ PFMUL ( MM5, MM1 ) /* | x2 (normalize*/ MOVD ( MM1, REGOFF(-8, EAX) ) /* write new x2 */ JNZ ( LLBL (G3TN_norm) ) LLBL (G3TN_exit_3dnow): FEMMS LLBL (G3TN_end): POP_L ( EBP ) POP_L ( ESI ) POP_L ( EDI ) RET ALIGNTEXT16 GLOBL GLNAME(_mesa_3dnow_transform_normalize_normals_no_rot) HIDDEN(_mesa_3dnow_transform_normalize_normals_no_rot) GLNAME(_mesa_3dnow_transform_normalize_normals_no_rot): #undef FRAME_OFFSET #define FRAME_OFFSET 12 PUSH_L ( EDI ) PUSH_L ( ESI ) PUSH_L ( EBP ) MOV_L ( ARG_LENGTHS, EDI ) MOV_L ( ARG_IN, ESI ) MOV_L ( ARG_DEST, EAX ) MOV_L ( REGOFF(V4F_COUNT, ESI), EBP ) /* dest->count = in->count */ MOV_L ( EBP, REGOFF(V4F_COUNT, EAX) ) MOV_L ( ARG_MAT, ECX ) MOV_L ( REGOFF(V4F_START, EAX), EAX ) /* dest->start */ MOV_L ( REGOFF(MATRIX_INV, ECX), ECX ) /* mat->inv */ MOV_L ( REGOFF(V4F_START, ESI), EDX ) /* in->start */ CMP_L ( CONST(0), EBP ) /* count > 0 ?? */ JE ( LLBL (G3TNNR_end) ) FEMMS MOVD ( M(0), MM0 ) /* | m0 */ PUNPCKLDQ ( M(5), MM0 ) /* m5 | m0 */ MOVD ( M(10), MM2 ) /* | m10 */ PUNPCKLDQ ( MM2, MM2 ) /* m10 | m10 */ CMP_L ( CONST(0), EDI ) /* lengths == 0 ? */ JNE ( LLBL (G3TNNR_scale_end ) ) MOVD ( ARG_SCALE, MM7 ) /* | scale */ PUNPCKLDQ ( MM7, MM7 ) /* scale | scale */ PFMUL ( MM7, MM0 ) /* scale * m5 | scale * m0 */ PFMUL ( MM7, MM2 ) /* scale * m10 | scale * m10 */ ALIGNTEXT32 LLBL (G3TNNR_scale_end): CMP_L ( CONST(0), EDI ) /* lengths == 0 ? */ JE ( LLBL (G3TNNR_norm) ) /* need to calculate lengths */ MOVD ( REGIND(EDI), MM3 ) /* | length (x) */ ALIGNTEXT32 LLBL (G3TNNR_norm_w_lengths): /* use precalculated lengths */ PREFETCHW ( REGIND(EAX) ) MOVQ ( REGIND(EDX), MM6 ) /* x1 | x0 */ MOVD ( REGOFF(8, EDX), MM7 ) /* | x2 */ PFMUL ( MM0, MM6 ) /* x1*m5 | x0*m0 */ ADD_L ( STRIDE, EDX ) /* next normal */ PREFETCH ( REGIND(EDX) ) PFMUL ( MM2, MM7 ) /* | x2*m10 */ ADD_L ( CONST(16), EAX ) /* next r */ PFMUL ( MM3, MM7 ) /* | x2 (normalized) */ PUNPCKLDQ ( MM3, MM3 ) /* length (x) | length (x) */ ADD_L ( CONST(4), EDI ) /* next length */ PFMUL ( MM3, MM6 ) /* x1 (normalized) | x0 (normalized) */ SUB_L ( CONST(1), EBP ) /* decrement normal counter */ MOVQ ( MM6, REGOFF(-16, EAX) ) /* write r0, r1 */ MOVD ( MM7, REGOFF(-8, EAX) ) /* write r2 */ MOVD ( REGIND(EDI), MM3 ) /* | length (x) */ JNZ ( LLBL (G3TNNR_norm_w_lengths) ) JMP ( LLBL (G3TNNR_exit_3dnow) ) ALIGNTEXT32 LLBL (G3TNNR_norm): /* need to calculate lengths */ PREFETCHW ( REGIND(EAX) ) MOVQ ( REGIND(EDX), MM6 ) /* x1 | x0 */ MOVD ( REGOFF(8, EDX), MM7 ) /* | x2 */ PFMUL ( MM0, MM6 ) /* x1*m5 | x0*m0 */ ADD_L ( CONST(16), EAX ) /* next r */ PFMUL ( MM2, MM7 ) /* | x2*m10 */ MOVQ ( MM6, MM3 ) /* x1 (transformed)| x0 (transformed) */ MOVQ ( MM7, MM4 ) /* | x2 (transformed) */ PFMUL ( MM6, MM3 ) /* x1*x1 | x0*x0 */ PFMUL ( MM7, MM4 ) /* | x2*x2 */ PFACC ( MM3, MM3 ) /* **not used** | x0*x0+x1*x1 */ PFADD ( MM4, MM3 ) /* | x0*x0+x1*x1+x2*x2*/ ADD_L ( STRIDE, EDX ) /* next normal */ PREFETCH ( REGIND(EDX) ) PFRSQRT ( MM3, MM5 ) /* 1/sqrt (x0*x0+x1*x1+x2*x2) */ MOVQ ( MM5, MM4 ) PUNPCKLDQ ( MM3, MM3 ) PFMUL ( MM5, MM5 ) PFRSQIT1 ( MM3, MM5 ) SUB_L ( CONST(1), EBP ) /* decrement normal counter */ PFRCPIT2 ( MM4, MM5 ) PFMUL ( MM5, MM6 ) /* x1 (normalized) | x0 (normalized) */ MOVQ ( MM6, REGOFF(-16, EAX) ) /* write r0, r1 */ PFMUL ( MM5, MM7 ) /* | x2 (normalized) */ MOVD ( MM7, REGOFF(-8, EAX) ) /* write r2 */ JNZ ( LLBL (G3TNNR_norm) ) LLBL (G3TNNR_exit_3dnow): FEMMS LLBL (G3TNNR_end): POP_L ( EBP ) POP_L ( ESI ) POP_L ( EDI ) RET ALIGNTEXT16 GLOBL GLNAME(_mesa_3dnow_transform_rescale_normals_no_rot) HIDDEN(_mesa_3dnow_transform_rescale_normals_no_rot) GLNAME(_mesa_3dnow_transform_rescale_normals_no_rot): #undef FRAME_OFFSET #define FRAME_OFFSET 12 PUSH_L ( EDI ) PUSH_L ( ESI ) PUSH_L ( EBP ) MOV_L ( ARG_IN, EAX ) MOV_L ( ARG_DEST, EDX ) MOV_L ( REGOFF(V4F_COUNT, EAX), EBP ) /* dest->count = in->count */ MOV_L ( EBP, REGOFF(V4F_COUNT, EDX) ) MOV_L ( ARG_IN, ESI ) MOV_L ( ARG_MAT, ECX ) MOV_L ( REGOFF(MATRIX_INV, ECX), ECX ) /* mat->inv */ MOV_L ( REGOFF(V4F_START, EDX), EAX ) /* dest->start */ MOV_L ( REGOFF(V4F_START, ESI), EDX ) /* in->start */ CMP_L ( CONST(0), EBP ) JE ( LLBL (G3TRNR_end) ) FEMMS MOVD ( ARG_SCALE, MM6 ) /* | scale */ PUNPCKLDQ ( MM6, MM6 ) /* scale | scale */ MOVD ( REGIND(ECX), MM0 ) /* | m0 */ PUNPCKLDQ ( REGOFF(20, ECX), MM0 ) /* m5 | m0 */ PFMUL ( MM6, MM0 ) /* scale*m5 | scale*m0 */ MOVD ( REGOFF(40, ECX), MM2 ) /* | m10 */ PFMUL ( MM6, MM2 ) /* | scale*m10 */ ALIGNTEXT32 LLBL (G3TRNR_rescale): PREFETCHW ( REGIND(EAX) ) MOVQ ( REGIND(EDX), MM4 ) /* x1 | x0 */ MOVD ( REGOFF(8, EDX), MM5 ) /* | x2 */ PFMUL ( MM0, MM4 ) /* x1*m5 | x0*m0 */ ADD_L ( STRIDE, EDX ) /* next normal */ PREFETCH ( REGIND(EDX) ) PFMUL ( MM2, MM5 ) /* | x2*m10 */ ADD_L ( CONST(16), EAX ) /* next r */ SUB_L ( CONST(1), EBP ) /* decrement normal counter */ MOVQ ( MM4, REGOFF(-16, EAX) ) /* write r0, r1 */ MOVD ( MM5, REGOFF(-8, EAX) ) /* write r2 */ JNZ ( LLBL (G3TRNR_rescale) ) /* cnt > 0 ? -> process next normal */ FEMMS LLBL (G3TRNR_end): POP_L ( EBP ) POP_L ( ESI ) POP_L ( EDI ) RET ALIGNTEXT16 GLOBL GLNAME(_mesa_3dnow_transform_rescale_normals) HIDDEN(_mesa_3dnow_transform_rescale_normals) GLNAME(_mesa_3dnow_transform_rescale_normals): #undef FRAME_OFFSET #define FRAME_OFFSET 8 PUSH_L ( EDI ) PUSH_L ( ESI ) MOV_L ( ARG_IN, ESI ) MOV_L ( ARG_DEST, EAX ) MOV_L ( ARG_MAT, ECX ) MOV_L ( REGOFF(V4F_COUNT, ESI), EDI ) /* dest->count = in->count */ MOV_L ( EDI, REGOFF(V4F_COUNT, EAX) ) MOV_L ( REGOFF(V4F_START, EAX), EAX ) /* dest->start */ MOV_L ( REGOFF(V4F_START, ESI), EDX ) /* in->start */ MOV_L ( REGOFF(MATRIX_INV, ECX), ECX ) /* mat->inv */ CMP_L ( CONST(0), EDI ) JE ( LLBL (G3TR_end) ) FEMMS MOVQ ( REGIND(ECX), MM3 ) /* m1 | m0 */ MOVQ ( REGOFF(16,ECX), MM4 ) /* m5 | m4 */ MOVD ( ARG_SCALE, MM0 ) /* scale */ MOVD ( REGOFF(8,ECX), MM5 ) /* | m2 */ PUNPCKLDQ ( MM0, MM0 ) /* scale | scale */ PUNPCKLDQ ( REGOFF(24, ECX), MM5 ) PFMUL ( MM0, MM3 ) /* scale*m1 | scale*m0 */ MOVQ ( REGOFF(32, ECX), MM6 ) /* m9 | m8*/ PFMUL ( MM0, MM4 ) /* scale*m5 | scale*m4 */ MOVD ( REGOFF(40, ECX), MM7 ) /* | m10 */ PFMUL ( MM0, MM5 ) /* scale*m6 | scale*m2 */ PFMUL ( MM0, MM6 ) /* scale*m9 | scale*m8 */ PFMUL ( MM0, MM7 ) /* | scale*m10 */ ALIGNTEXT32 LLBL (G3TR_rescale): PREFETCHW ( REGIND(EAX) ) MOVQ ( REGIND(EDX), MM0 ) /* x1 | x0 */ MOVD ( REGOFF(8, EDX), MM2 ) /* | x2 */ MOVQ ( MM0, MM1 ) /* x1 | x0 */ PUNPCKLDQ ( MM2, MM2 ) /* x2 | x2 */ PFMUL ( MM3, MM0 ) /* x1*m1 | x0*m0 */ ADD_L ( CONST(16), EAX ) /* next r */ PFMUL ( MM4, MM1 ) /* x1*m5 | x0*m4 */ PFACC ( MM1, MM0 ) /* x0*m4+x1*m5 | x0*m0+x1*m1 */ MOVQ ( REGIND(EDX), MM1 ) /* x1 | x0 */ PFMUL ( MM5, MM2 ) /* x2*m6 | x2*m2 */ PFADD ( MM2, MM0 ) /* x0*m4...+x2*m6| x0*m0+x1*m1+x2*m2 */ MOVD ( REGOFF(8, EDX), MM2 ) /* | x2 */ ADD_L ( STRIDE, EDX ) /* next normal */ PREFETCH ( REGIND(EDX) ) MOVQ ( MM0, REGOFF(-16, EAX) ) /* write r0, r1 */ PFMUL ( MM6, MM1 ) /* x1*m9 | x0*m8 */ PFMUL ( MM7, MM2 ) /* | x2*m10 */ PFACC ( MM1, MM1 ) /* *not used* | x0*m8+x1*m9 */ PFADD ( MM2, MM1 ) /* *not used* | x0*m8+x1*m9+x2*m10 */ MOVD ( MM1, REGOFF(-8, EAX) ) /* write r2 */ SUB_L ( CONST(1), EDI ) /* decrement normal counter */ JNZ ( LLBL (G3TR_rescale) ) FEMMS LLBL (G3TR_end): POP_L ( ESI ) POP_L ( EDI ) RET ALIGNTEXT16 GLOBL GLNAME(_mesa_3dnow_transform_normals_no_rot) HIDDEN(_mesa_3dnow_transform_normals_no_rot) GLNAME(_mesa_3dnow_transform_normals_no_rot): #undef FRAME_OFFSET #define FRAME_OFFSET 8 PUSH_L ( EDI ) PUSH_L ( ESI ) MOV_L ( ARG_IN, ESI ) MOV_L ( ARG_DEST, EAX ) MOV_L ( ARG_MAT, ECX ) MOV_L ( REGOFF(V4F_COUNT, ESI), EDI ) /* dest->count = in->count */ MOV_L ( EDI, REGOFF(V4F_COUNT, EAX) ) MOV_L ( REGOFF(V4F_START, EAX), EAX ) /* dest->start */ MOV_L ( REGOFF(V4F_START, ESI), EDX ) /* in->start */ MOV_L ( REGOFF(MATRIX_INV, ECX), ECX ) /* mat->inv */ CMP_L ( CONST(0), EDI ) JE ( LLBL (G3TNR_end) ) FEMMS MOVD ( REGIND(ECX), MM0 ) /* | m0 */ PUNPCKLDQ ( REGOFF(20, ECX), MM0 ) /* m5 | m0 */ MOVD ( REGOFF(40, ECX), MM2 ) /* | m10 */ PUNPCKLDQ ( MM2, MM2 ) /* m10 | m10 */ ALIGNTEXT32 LLBL (G3TNR_transform): PREFETCHW ( REGIND(EAX) ) MOVQ ( REGIND(EDX), MM4 ) /* x1 | x0 */ MOVD ( REGOFF(8, EDX), MM5 ) /* | x2 */ PFMUL ( MM0, MM4 ) /* x1*m5 | x0*m0 */ ADD_L ( STRIDE, EDX) /* next normal */ PREFETCH ( REGIND(EDX) ) PFMUL ( MM2, MM5 ) /* | x2*m10 */ ADD_L ( CONST(16), EAX ) /* next r */ SUB_L ( CONST(1), EDI ) /* decrement normal counter */ MOVQ ( MM4, REGOFF(-16, EAX) ) /* write r0, r1 */ MOVD ( MM5, REGOFF(-8, EAX) ) /* write r2 */ JNZ ( LLBL (G3TNR_transform) ) FEMMS LLBL (G3TNR_end): POP_L ( ESI ) POP_L ( EDI ) RET ALIGNTEXT16 GLOBL GLNAME(_mesa_3dnow_transform_normals) HIDDEN(_mesa_3dnow_transform_normals) GLNAME(_mesa_3dnow_transform_normals): #undef FRAME_OFFSET #define FRAME_OFFSET 8 PUSH_L ( EDI ) PUSH_L ( ESI ) MOV_L ( ARG_IN, ESI ) MOV_L ( ARG_DEST, EAX ) MOV_L ( ARG_MAT, ECX ) MOV_L ( REGOFF(V4F_COUNT, ESI), EDI ) /* dest->count = in->count */ MOV_L ( EDI, REGOFF(V4F_COUNT, EAX) ) MOV_L ( REGOFF(V4F_START, EAX), EAX ) /* dest->start */ MOV_L ( REGOFF(V4F_START, ESI), EDX ) /* in->start */ MOV_L ( REGOFF(MATRIX_INV, ECX), ECX ) /* mat->inv */ CMP_L ( CONST(0), EDI ) /* count > 0 ?? */ JE ( LLBL (G3T_end) ) FEMMS MOVQ ( REGIND(ECX), MM3 ) /* m1 | m0 */ MOVQ ( REGOFF(16, ECX), MM4 ) /* m5 | m4 */ MOVD ( REGOFF(8, ECX), MM5 ) /* | m2 */ PUNPCKLDQ ( REGOFF(24, ECX), MM5 ) /* m6 | m2 */ MOVQ ( REGOFF(32, ECX), MM6 ) /* m9 | m8 */ MOVD ( REGOFF(40, ECX), MM7 ) /* | m10 */ ALIGNTEXT32 LLBL (G3T_transform): PREFETCHW ( REGIND(EAX) ) MOVQ ( REGIND(EDX), MM0 ) /* x1 | x0 */ MOVD ( REGOFF(8, EDX), MM2 ) /* | x2 */ MOVQ ( MM0, MM1 ) /* x1 | x0 */ PUNPCKLDQ ( MM2, MM2 ) /* x2 | x2 */ PFMUL ( MM3, MM0 ) /* x1*m1 | x0*m0 */ ADD_L ( CONST(16), EAX ) /* next r */ PFMUL ( MM4, MM1 ) /* x1*m5 | x0*m4 */ PFACC ( MM1, MM0 ) /* x0*m4+x1*m5 | x0*m0+x1*m1 */ PFMUL ( MM5, MM2 ) /* x2*m6 | x2*m2 */ PFADD ( MM2, MM0 ) /* x0*m4...+x2*m6| x0*m0+x1*m1+x2*m2 */ MOVQ ( REGIND(EDX), MM1 ) /* x1 | x0 */ MOVQ ( MM0, REGOFF(-16, EAX) ) /* write r0, r1 */ PFMUL ( MM6, MM1 ) /* x1*m9 | x0*m8 */ MOVD ( REGOFF(8, EDX), MM2 ) /* | x2 */ PFMUL ( MM7, MM2 ) /* | x2*m10 */ ADD_L ( STRIDE, EDX ) /* next normal */ PREFETCH ( REGIND(EDX) ) PFACC ( MM1, MM1 ) /* *not used* | x0*m8+x1*m9 */ PFADD ( MM2, MM1 ) /* *not used* | x0*m8+x1*m9+x2*m10 */ MOVD ( MM1, REGOFF(-8, EAX) ) /* write r2 */ SUB_L ( CONST(1), EDI ) /* decrement normal counter */ JNZ ( LLBL (G3T_transform) ) FEMMS LLBL (G3T_end): POP_L ( ESI ) POP_L ( EDI ) RET ALIGNTEXT16 GLOBL GLNAME(_mesa_3dnow_normalize_normals) HIDDEN(_mesa_3dnow_normalize_normals) GLNAME(_mesa_3dnow_normalize_normals): #undef FRAME_OFFSET #define FRAME_OFFSET 12 PUSH_L ( EDI ) PUSH_L ( ESI ) PUSH_L ( EBP ) MOV_L ( ARG_IN, ESI ) MOV_L ( ARG_DEST, EAX ) MOV_L ( REGOFF(V4F_COUNT, ESI), EBP ) /* dest->count = in->count */ MOV_L ( EBP, REGOFF(V4F_COUNT, EAX) ) MOV_L ( REGOFF(V4F_START, EAX), EAX ) /* dest->start */ MOV_L ( REGOFF(V4F_START, ESI), ECX ) /* in->start */ MOV_L ( ARG_LENGTHS, EDX ) CMP_L ( CONST(0), EBP ) /* count > 0 ?? */ JE ( LLBL (G3N_end) ) FEMMS CMP_L ( CONST(0), EDX ) /* lengths == 0 ? */ JE ( LLBL (G3N_norm2) ) /* calculate lengths */ ALIGNTEXT32 LLBL (G3N_norm1): /* use precalculated lengths */ PREFETCH ( REGIND(EAX) ) MOVQ ( REGIND(ECX), MM0 ) /* x1 | x0 */ MOVD ( REGOFF(8, ECX), MM1 ) /* | x2 */ MOVD ( REGIND(EDX), MM3 ) /* | length (x) */ PFMUL ( MM3, MM1 ) /* | x2 (normalized) */ PUNPCKLDQ ( MM3, MM3 ) /* length (x) | length (x) */ ADD_L ( STRIDE, ECX ) /* next normal */ PREFETCH ( REGIND(ECX) ) PFMUL ( MM3, MM0 ) /* x1 (normalized) | x0 (normalized) */ MOVQ ( MM0, REGIND(EAX) ) /* write new x0, x1 */ MOVD ( MM1, REGOFF(8, EAX) ) /* write new x2 */ ADD_L ( CONST(16), EAX ) /* next r */ ADD_L ( CONST(4), EDX ) /* next length */ SUB_L ( CONST(1), EBP ) /* decrement normal counter */ JNZ ( LLBL (G3N_norm1) ) JMP ( LLBL (G3N_end1) ) ALIGNTEXT32 LLBL (G3N_norm2): /* need to calculate lengths */ PREFETCHW ( REGIND(EAX) ) PREFETCH ( REGIND(ECX) ) MOVQ ( REGIND(ECX), MM0 ) /* x1 | x0 */ MOVD ( REGOFF(8, ECX), MM1 ) /* | x2 */ MOVQ ( MM0, MM3 ) /* x1 | x0 */ ADD_L ( STRIDE, ECX ) /* next normal */ PFMUL ( MM0, MM3 ) /* x1*x1 | x0*x0 */ MOVQ ( MM1, MM4 ) /* | x2 */ ADD_L ( CONST(16), EAX ) /* next r */ PFMUL ( MM1, MM4 ) /* | x2*x2 */ PFADD ( MM4, MM3 ) /* | x0*x0+x2*x2 */ PFACC ( MM3, MM3 ) /* x0*x0+...+x2*x2 | x0*x0+x1*x1+x2*x2*/ PFRSQRT ( MM3, MM5 ) /* 1/sqrt (x0*x0+x1*x1+x2*x2) */ MOVQ ( MM5, MM4 ) PUNPCKLDQ ( MM3, MM3 ) PFMUL ( MM5, MM5 ) PFRSQIT1 ( MM3, MM5 ) SUB_L ( CONST(1), EBP ) /* decrement normal counter */ PFRCPIT2 ( MM4, MM5 ) PFMUL ( MM5, MM0 ) /* x1 (normalized) | x0 (normalized) */ MOVQ ( MM0, REGOFF(-16, EAX) ) /* write new x0, x1 */ PFMUL ( MM5, MM1 ) /* | x2 (normalized) */ MOVD ( MM1, REGOFF(-8, EAX) ) /* write new x2 */ JNZ ( LLBL (G3N_norm2) ) LLBL (G3N_end1): FEMMS LLBL (G3N_end): POP_L ( EBP ) POP_L ( ESI ) POP_L ( EDI ) RET ALIGNTEXT16 GLOBL GLNAME(_mesa_3dnow_rescale_normals) HIDDEN(_mesa_3dnow_rescale_normals) GLNAME(_mesa_3dnow_rescale_normals): #undef FRAME_OFFSET #define FRAME_OFFSET 8 PUSH_L ( EDI ) PUSH_L ( ESI ) MOV_L ( ARG_IN, ESI ) MOV_L ( ARG_DEST, EAX ) MOV_L ( REGOFF(V4F_COUNT, ESI), EDX ) /* dest->count = in->count */ MOV_L ( EDX, REGOFF(V4F_COUNT, EAX) ) MOV_L ( REGOFF(V4F_START, EAX), EAX ) /* dest->start */ MOV_L ( REGOFF(V4F_START, ESI), ECX ) /* in->start */ CMP_L ( CONST(0), EDX ) JE ( LLBL (G3R_end) ) FEMMS MOVD ( ARG_SCALE, MM0 ) /* scale */ PUNPCKLDQ ( MM0, MM0 ) ALIGNTEXT32 LLBL (G3R_rescale): PREFETCHW ( REGIND(EAX) ) MOVQ ( REGIND(ECX), MM1 ) /* x1 | x0 */ MOVD ( REGOFF(8, ECX), MM2 ) /* | x2 */ PFMUL ( MM0, MM1 ) /* x1*scale | x0*scale */ ADD_L ( STRIDE, ECX ) /* next normal */ PREFETCH ( REGIND(ECX) ) PFMUL ( MM0, MM2 ) /* | x2*scale */ ADD_L ( CONST(16), EAX ) /* next r */ MOVQ ( MM1, REGOFF(-16, EAX) ) /* write r0, r1 */ MOVD ( MM2, REGOFF(-8, EAX) ) /* write r2 */ SUB_L ( CONST(1), EDX ) /* decrement normal counter */ JNZ ( LLBL (G3R_rescale) ) FEMMS LLBL (G3R_end): POP_L ( ESI ) POP_L ( EDI ) RET #endif #if defined (__ELF__) && defined (__linux__) .section .note.GNU-stack,"",%progbits #endif