/*
* 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
* BRIAN PAUL 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