xref: /xsrc/external/mit/MesaLib/dist/src/mesa/x86/sse_xform2.S

/*
 * Mesa 3-D graphics library
 *
 * Copyright (C) 1999-2001  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 OR COPYRIGHT HOLDERS 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.
 */

/** TODO:
  * - insert PREFETCH instructions to avoid cache-misses !
  * - some more optimizations are possible...
  * - for 40-50% more performance in the SSE-functions, the
  *   data (trans-matrix, src_vert, dst_vert) needs to be 16byte aligned !
  */

#ifdef USE_SSE_ASM
#include "assyntax.h"
#define MATH_ASM_PTR_SIZE 4
#include "math/m_vector_asm.h"
#include "xform_args.h"

   SEG_TEXT

#define S(i) 	REGOFF(i * 4, ESI)
#define D(i) 	REGOFF(i * 4, EDI)
#define M(i) 	REGOFF(i * 4, EDX)


ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_general)
HIDDEN (_mesa_sse_transform_points2_general)
GLNAME( _mesa_sse_transform_points2_general ):
    _CET_ENDBR
#define FRAME_OFFSET 8
    PUSH_L    ( ESI )
    PUSH_L    ( EDI )

    MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) 	/* ptr to source GLvector4f */
    MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */

    MOV_L( ARG_MATRIX, EDX ) 			/* ptr to matrix */
    MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */

    TEST_L( ECX, ECX )
    JZ( LLBL(K_GTP2GR_finish) )			/* count was zero; go to finish */

    MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
    OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */

    MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
    MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */

    SHL_L( CONST(4), ECX ) 			/* count *= 16 */
    MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */

    MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
    ADD_L( EDI, ECX ) 				/* count += dest ptr */

ALIGNTEXT32
    MOVAPS( M(0), XMM0 )			/* m3  | m2  | m1  | m0 */
    MOVAPS( M(4), XMM1 )			/* m7  | m6  | m5  | m4 */
    MOVAPS( M(12), XMM2 )			/* m15 | m14 | m13 | m12 */

ALIGNTEXT32
LLBL(K_GTP2GR_top):
    MOVSS( S(0), XMM3 )				/* ox */
    SHUFPS( CONST(0x0), XMM3, XMM3 )		/* ox | ox | ox | ox */
    MULPS( XMM0, XMM3 )				/* ox*m3 | ox*m2 | ox*m1 | ox*m0 */
    MOVSS( S(1), XMM4 )				/* oy */
    SHUFPS( CONST(0x0), XMM4, XMM4 )		/* oy | oy | oy | oy */
    MULPS( XMM1, XMM4 )				/* oy*m7 | oy*m6 | oy*m5 | oy*m4 */

    ADDPS( XMM4, XMM3 )
    ADDPS( XMM2, XMM3 )
    MOVAPS( XMM3, D(0) )

LLBL(K_GTP2GR_skip):
    ADD_L     ( CONST(16), EDI )
    ADD_L     ( EAX, ESI )
    CMP_L     ( ECX, EDI )
    JNE       ( LLBL(K_GTP2GR_top) )

LLBL(K_GTP2GR_finish):
    POP_L     ( EDI )
    POP_L     ( ESI )
    RET
#undef FRAME_OFFSET


ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_identity)
HIDDEN(_mesa_sse_transform_points2_identity)
GLNAME( _mesa_sse_transform_points2_identity ):
    _CET_ENDBR
#define FRAME_OFFSET 8
    PUSH_L    ( ESI )
    PUSH_L    ( EDI )

    MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) /* ptr to source GLvector4f */
    MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */

    MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */

    TEST_L( ECX, ECX)
    JZ( LLBL(K_GTP2IR_finish) )			/* count was zero; go to finish */

    MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
    OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */

    MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
    MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */

    SHL_L( CONST(4), ECX ) 			/* count *= 16 */
    MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */

    MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
    ADD_L( EDI, ECX ) 				/* count += dest ptr */

    CMP_L( ESI, EDI )
    JE( LLBL(K_GTP2IR_finish) )


ALIGNTEXT32
LLBL(K_GTP2IR_top):
    MOV_L     ( S(0), EDX )
    MOV_L     ( EDX, D(0) )
    MOV_L     ( S(1), EDX )
    MOV_L     ( EDX, D(1) )

LLBL(K_GTP2IR_skip):
    ADD_L     ( CONST(16), EDI )
    ADD_L     ( EAX, ESI )
    CMP_L     ( ECX, EDI )
    JNE       ( LLBL(K_GTP2IR_top) )

LLBL(K_GTP2IR_finish):
    POP_L     ( EDI )
    POP_L     ( ESI )
    RET
#undef FRAME_OFFSET


ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_3d_no_rot)
HIDDEN(_mesa_sse_transform_points2_3d_no_rot)
GLNAME(_mesa_sse_transform_points2_3d_no_rot):
    _CET_ENDBR
#define FRAME_OFFSET 8
    PUSH_L( ESI )
    PUSH_L( EDI )

    MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) 	/* ptr to source GLvector4f */
    MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */

    MOV_L( ARG_MATRIX, EDX ) 			/* ptr to matrix */
    MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */

    TEST_L( ECX, ECX)
    JZ( LLBL(K_GTP23DNRR_finish) ) 		/* count was zero; go to finish */

    MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
    OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */

    MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
    MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */

    SHL_L( CONST(4), ECX ) 			/* count *= 16 */
    MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */

    MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
    ADD_L( EDI, ECX ) 				/* count += dest ptr */

    XORPS( XMM0, XMM0 )                         /* clean the working register */

ALIGNTEXT32
    MOVSS    ( M(0), XMM1 )			/* - | - |  -  | m0  */
    MOVSS    ( M(5), XMM2 )			/* - | - |  -  | m5  */
    UNPCKLPS ( XMM2, XMM1 )			/* - | - | m5  | m0  */
    MOVLPS   ( M(12), XMM2 )			/* - | - | m13 | m12 */
    MOVSS    ( M(14), XMM3 )			/* - | - |  -  | m14 */

ALIGNTEXT32
LLBL(K_GTP23DNRR_top):
    MOVLPS   ( S(0), XMM0 )			/* - | - |  oy   | ox */
    MULPS    ( XMM1, XMM0 )			/* - | - | oy*m5 | ox*m0 */
    ADDPS    ( XMM2, XMM0 )			/* - | - | +m13  | +m12 */
    MOVLPS   ( XMM0, D(0) )			/* -> D(1) | -> D(0) */

    MOVSS    ( XMM3, D(2) )			/* -> D(2) */

LLBL(K_GTP23DNRR_skip):
    ADD_L    ( CONST(16), EDI )
    ADD_L    ( EAX, ESI )
    CMP_L    ( ECX, EDI )
    JNE      ( LLBL(K_GTP23DNRR_top) )

LLBL(K_GTP23DNRR_finish):
    POP_L    ( EDI )
    POP_L    ( ESI )
    RET
#undef FRAME_OFFSET


ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_perspective)
HIDDEN(_mesa_sse_transform_points2_perspective)
GLNAME(_mesa_sse_transform_points2_perspective):
    _CET_ENDBR
#define FRAME_OFFSET 8
    PUSH_L   ( ESI )
    PUSH_L   ( EDI )

    MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )	/* ptr to source GLvector4f */
    MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */

    MOV_L( ARG_MATRIX, EDX ) 			/* ptr to matrix */
    MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */

    TEST_L( ECX, ECX)
    JZ( LLBL(K_GTP23PR_finish) )		/* count was zero; go to finish */

    MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
    OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */

    MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
    MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */

    SHL_L( CONST(4), ECX ) 			/* count *= 16 */
    MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */

    MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
    ADD_L( EDI, ECX ) 				/* count += dest ptr */

ALIGNTEXT32
    MOVSS    ( M(0), XMM1 )			/* -  | -  |  -  | m0  */
    MOVSS    ( M(5), XMM2 )			/* -  | -  |  -  | m5  */
    UNPCKLPS ( XMM2, XMM1 )			/* -  | -  | m5  | m0  */
    MOVSS    ( M(14), XMM3 )			/* m14 */
    XORPS    ( XMM0, XMM0 )			/* 0 | 0 | 0 | 0 */

ALIGNTEXT32
LLBL(K_GTP23PR_top):
    MOVLPS( S(0), XMM4 )			/* oy | ox */
    MULPS( XMM1, XMM4 )				/* oy*m5 | ox*m0 */
    MOVLPS( XMM4, D(0) )			/* ->D(1) | ->D(0) */
    MOVSS( XMM3, D(2) )				/* ->D(2) */
    MOVSS( XMM0, D(3) )				/* ->D(3) */

LLBL(K_GTP23PR_skip):
    ADD_L( CONST(16), EDI )
    ADD_L( EAX, ESI )
    CMP_L( ECX, EDI )
    JNE( LLBL(K_GTP23PR_top) )

LLBL(K_GTP23PR_finish):
    POP_L    ( EDI )
    POP_L    ( ESI )
    RET
#undef FRAME_OFFSET



ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_2d)
HIDDEN(_mesa_sse_transform_points2_2d)
GLNAME(_mesa_sse_transform_points2_2d):
    _CET_ENDBR
#define FRAME_OFFSET 8
    PUSH_L( ESI )
    PUSH_L( EDI )

    MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) 	/* ptr to source GLvector4f */
    MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */

    MOV_L( ARG_MATRIX, EDX ) 			/* ptr to matrix */
    MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */

    TEST_L( ECX, ECX)
    JZ( LLBL(K_GTP23P2DR_finish) ) 		/* count was zero; go to finish */

    MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
    OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */

    MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
    MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */

    SHL_L( CONST(4), ECX ) 			/* count *= 16 */
    MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */

    MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
    ADD_L( EDI, ECX ) 				/* count += dest ptr */

ALIGNTEXT32
    MOVLPS( M(0), XMM0 )			/* m1  | m0 */
    MOVLPS( M(4), XMM1 )			/* m5  | m4 */
    MOVLPS( M(12), XMM2 )			/* m13 | m12 */

ALIGNTEXT32
LLBL(K_GTP23P2DR_top):
    MOVSS( S(0), XMM3 )				/* ox */
    SHUFPS( CONST(0x0), XMM3, XMM3 )		/* ox | ox */
    MULPS( XMM0, XMM3 )				/* ox*m1 | ox*m0 */

    MOVSS( S(1), XMM4 )				/* oy */
    SHUFPS( CONST(0x0), XMM4, XMM4 )		/* oy | oy */
    MULPS( XMM1, XMM4 )				/* oy*m5 | oy*m4 */

    ADDPS( XMM4, XMM3 )
    ADDPS( XMM2, XMM3 )
    MOVLPS( XMM3, D(0) )			/* ->D(1) | ->D(0) */

LLBL(K_GTP23P2DR_skip):
    ADD_L    ( CONST(16), EDI )
    ADD_L    ( EAX, ESI )
    CMP_L    ( ECX, EDI )
    JNE      ( LLBL(K_GTP23P2DR_top) )

LLBL(K_GTP23P2DR_finish):
    POP_L    ( EDI )
    POP_L    ( ESI )
    RET
#undef FRAME_OFFSET



ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_2d_no_rot)
HIDDEN(_mesa_sse_transform_points2_2d_no_rot)
GLNAME(_mesa_sse_transform_points2_2d_no_rot):
	_CET_ENDBR
#define FRAME_OFFSET 8
	PUSH_L( ESI )
	PUSH_L( EDI )

	MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) 	/* ptr to source GLvector4f */
	MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */

	MOV_L( ARG_MATRIX, EDX ) 		/* ptr to matrix */
	MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */

	TEST_L( ECX, ECX)
	JZ( LLBL(K_GTP23P2DNRR_finish) ) 	/* count was zero; go to finish */

	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
	OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */

	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
	MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */

	SHL_L( CONST(4), ECX ) 			/* count *= 16 */
	MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */

	MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
	ADD_L( EDI, ECX ) 			/* count += dest ptr */

ALIGNTEXT32
	MOVSS    ( M(0), XMM1 )			/* m0 */
	MOVSS    ( M(5), XMM2 )			/* m5 */
	UNPCKLPS ( XMM2, XMM1 )			/* m5 | m0 */
	MOVLPS   ( M(12), XMM2 )		/* m13 | m12 */

ALIGNTEXT32
LLBL(K_GTP23P2DNRR_top):
	MOVLPS( S(0), XMM0 )			/* oy | ox */
	MULPS( XMM1, XMM0 )			/* oy*m5 | ox*m0 */
	ADDPS( XMM2, XMM0 )			/* +m13 | +m12 */
	MOVLPS( XMM0, D(0) )			/* ->D(1) | ->D(0) */

LLBL(K_GTP23P2DNRR_skip):
	ADD_L( CONST(16), EDI )
	ADD_L( EAX, ESI )
	CMP_L( ECX, EDI )
	JNE( LLBL(K_GTP23P2DNRR_top) )

LLBL(K_GTP23P2DNRR_finish):
	POP_L( EDI )
	POP_L( ESI )
	RET
#undef FRAME_OFFSET



ALIGNTEXT4
GLOBL GLNAME(_mesa_sse_transform_points2_3d)
HIDDEN(_mesa_sse_transform_points2_3d)
GLNAME(_mesa_sse_transform_points2_3d):
	_CET_ENDBR
#define FRAME_OFFSET 8
	PUSH_L( ESI )
	PUSH_L( EDI )

	MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) 	/* ptr to source GLvector4f */
	MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI ) 	/* ptr to dest GLvector4f */

	MOV_L( ARG_MATRIX, EDX ) 		/* ptr to matrix */
	MOV_L( REGOFF(V4F_COUNT, ESI), ECX ) 	/* source count */

	TEST_L( ECX, ECX)
	JZ( LLBL(K_GTP23P3DR_finish) ) 	/* count was zero; go to finish */

	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX ) 	/* stride */
	OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) ) 	/* set dest flags */

	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) ) 	/* set dest count */
	MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) ) 	/* set dest size */

	SHL_L( CONST(4), ECX ) 			/* count *= 16 */
	MOV_L( REGOFF(V4F_START, ESI), ESI ) 	/* ptr to first source vertex */

	MOV_L( REGOFF(V4F_START, EDI), EDI ) 	/* ptr to first dest vertex */
	ADD_L( EDI, ECX ) 			/* count += dest ptr */

ALIGNTEXT32
	MOVAPS( M(0), XMM0 )			/* m2  | m1  | m0 */
	MOVAPS( M(4), XMM1 )			/* m6  | m5  | m4 */
	MOVAPS( M(12), XMM2 )			/* m14 | m13 | m12 */

ALIGNTEXT32
LLBL(K_GTP23P3DR_top):
	MOVSS( S(0), XMM3 )			/* ox */
	SHUFPS( CONST(0x0), XMM3, XMM3 )	/* ox | ox | ox */
	MULPS( XMM0, XMM3 )			/* ox*m2 | ox*m1 | ox*m0 */

	MOVSS( S(1), XMM4 )			/* oy */
	SHUFPS( CONST(0x0), XMM4, XMM4 )	/* oy | oy | oy */
	MULPS( XMM1, XMM4 )			/* oy*m6 | oy*m5 | oy*m4 */

	ADDPS( XMM4, XMM3 )
	ADDPS( XMM2, XMM3 )

	MOVLPS( XMM3, D(0) )			/* ->D(1) | ->D(0) */
	UNPCKHPS( XMM3, XMM3 )
	MOVSS( XMM3, D(2) )			/* ->D(2) */

LLBL(K_GTP23P3DR_skip):
	ADD_L( CONST(16), EDI )
	ADD_L( EAX, ESI )
	CMP_L( ECX, EDI )
	JNE( LLBL(K_GTP23P3DR_top) )

LLBL(K_GTP23P3DR_finish):
	POP_L( EDI )
	POP_L( ESI )
	RET
#undef FRAME_OFFSET
#endif

#if defined (__ELF__) && defined (__linux__)
	.section .note.GNU-stack,"",%progbits
#endif