svn merge ^/branches/released .

1 files changed, 644 insertions, 0 deletions

diff --git a/mesalib/src/mesa/x86/x86_xform3.S b/mesalib/src/mesa/x86/x86_xform3.S
new file mode 100644
index 000000000..6f717caf9
--- /dev/null
+++ b/mesalib/src/mesa/x86/x86_xform3.S
@@ -0,0 +1,644 @@
+

+/*

+ * Mesa 3-D graphics library

+ * Version:  3.5

+ *

+ * 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

+ * 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.

+ */

+

+/*

+ * NOTE: Avoid using spaces in between '(' ')' and arguments, especially

+ * with macros like CONST, LLBL that expand to CONCAT(...).  Putting spaces

+ * in there will break the build on some platforms.

+ */

+

+#include "assyntax.h"

+#include "matypes.h"

+#include "xform_args.h"

+

+	SEG_TEXT

+

+#define FP_ONE		1065353216

+#define FP_ZERO		0

+

+#define SRC0		REGOFF(0, ESI)

+#define SRC1		REGOFF(4, ESI)

+#define SRC2		REGOFF(8, ESI)

+#define SRC3		REGOFF(12, ESI)

+#define DST0		REGOFF(0, EDI)

+#define DST1		REGOFF(4, EDI)

+#define DST2		REGOFF(8, EDI)

+#define DST3		REGOFF(12, EDI)

+#define MAT0		REGOFF(0, EDX)

+#define MAT1		REGOFF(4, EDX)

+#define MAT2		REGOFF(8, EDX)

+#define MAT3		REGOFF(12, EDX)

+#define MAT4		REGOFF(16, EDX)

+#define MAT5		REGOFF(20, EDX)

+#define MAT6		REGOFF(24, EDX)

+#define MAT7		REGOFF(28, EDX)

+#define MAT8		REGOFF(32, EDX)

+#define MAT9		REGOFF(36, EDX)

+#define MAT10		REGOFF(40, EDX)

+#define MAT11		REGOFF(44, EDX)

+#define MAT12		REGOFF(48, EDX)

+#define MAT13		REGOFF(52, EDX)

+#define MAT14		REGOFF(56, EDX)

+#define MAT15		REGOFF(60, EDX)

+

+

+ALIGNTEXT16

+GLOBL GLNAME( _mesa_x86_transform_points3_general )

+HIDDEN(_mesa_x86_transform_points3_general)

+GLNAME( _mesa_x86_transform_points3_general ):

+

+#define FRAME_OFFSET 8

+	PUSH_L( ESI )

+	PUSH_L( EDI )

+

+	MOV_L( ARG_SOURCE, ESI )

+	MOV_L( ARG_DEST, EDI )

+

+	MOV_L( ARG_MATRIX, EDX )

+	MOV_L( REGOFF(V4F_COUNT, ESI), ECX )

+

+	TEST_L( ECX, ECX )

+	JZ( LLBL(x86_p3_gr_done) )

+

+	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )

+	OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) )

+

+	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )

+	MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) )

+

+	SHL_L( CONST(4), ECX )

+	MOV_L( REGOFF(V4F_START, ESI), ESI )

+

+	MOV_L( REGOFF(V4F_START, EDI), EDI )

+	ADD_L( EDI, ECX )

+

+ALIGNTEXT16

+LLBL(x86_p3_gr_loop):

+

+	FLD_S( SRC0 )			/* F4 */

+	FMUL_S( MAT0 )

+	FLD_S( SRC0 )			/* F5 F4 */

+	FMUL_S( MAT1 )

+	FLD_S( SRC0 )			/* F6 F5 F4 */

+	FMUL_S( MAT2 )

+	FLD_S( SRC0 )			/* F7 F6 F5 F4 */

+	FMUL_S( MAT3 )

+

+	FLD_S( SRC1 )			/* F0 F7 F6 F5 F4 */

+	FMUL_S( MAT4 )

+	FLD_S( SRC1 )			/* F1 F0 F7 F6 F5 F4 */

+	FMUL_S( MAT5 )

+	FLD_S( SRC1 )			/* F2 F1 F0 F7 F6 F5 F4 */

+	FMUL_S( MAT6 )

+	FLD_S( SRC1 )			/* F3 F2 F1 F0 F7 F6 F5 F4 */

+	FMUL_S( MAT7 )

+

+	FXCH( ST(3) )			/* F0 F2 F1 F3 F7 F6 F5 F4 */

+	FADDP( ST0, ST(7) )		/* F2 F1 F3 F7 F6 F5 F4 */

+	FXCH( ST(1) )			/* F1 F2 F3 F7 F6 F5 F4 */

+	FADDP( ST0, ST(5) )		/* F2 F3 F7 F6 F5 F4 */

+	FADDP( ST0, ST(3) )		/* F3 F7 F6 F5 F4 */

+	FADDP( ST0, ST(1) )		/* F7 F6 F5 F4 */

+

+	FLD_S( SRC2 )			/* F0 F7 F6 F5 F4 */

+	FMUL_S( MAT8 )

+	FLD_S( SRC2 )			/* F1 F0 F7 F6 F5 F4 */

+	FMUL_S( MAT9 )

+	FLD_S( SRC2 )			/* F2 F1 F0 F7 F6 F5 F4 */

+	FMUL_S( MAT10 )

+	FLD_S( SRC2 )			/* F3 F2 F1 F0 F7 F6 F5 F4 */

+	FMUL_S( MAT11 )

+

+	FXCH( ST(3) )			/* F0 F2 F1 F3 F7 F6 F5 F4 */

+	FADDP( ST0, ST(7) )		/* F2 F1 F3 F7 F6 F5 F4 */

+	FXCH( ST(1) )			/* F1 F2 F3 F7 F6 F5 F4 */

+	FADDP( ST0, ST(5) )		/* F2 F3 F7 F6 F5 F4 */

+	FADDP( ST0, ST(3) )		/* F3 F7 F6 F5 F4 */

+	FADDP( ST0, ST(1) )		/* F7 F6 F5 F4 */

+

+	FXCH( ST(3) )			/* F4 F6 F5 F7 */

+	FADD_S( MAT12 )

+	FXCH( ST(2) )			/* F5 F6 F4 F7 */

+	FADD_S( MAT13 )

+	FXCH( ST(1) )			/* F6 F5 F4 F7 */

+	FADD_S( MAT14 )

+	FXCH( ST(3) )			/* F7 F5 F4 F6 */

+	FADD_S( MAT15 )

+

+	FXCH( ST(2) )			/* F4 F5 F7 F6 */

+	FSTP_S( DST0 )		/* F5 F7 F6 */

+	FSTP_S( DST1 )		/* F7 F6 */

+	FXCH( ST(1) )			/* F6 F7 */

+	FSTP_S( DST2 )		/* F7 */

+	FSTP_S( DST3 )		/* */

+

+LLBL(x86_p3_gr_skip):

+

+	ADD_L( CONST(16), EDI )

+	ADD_L( EAX, ESI )

+	CMP_L( ECX, EDI )

+	JNE( LLBL(x86_p3_gr_loop) )

+

+LLBL(x86_p3_gr_done):

+

+	POP_L( EDI )

+	POP_L( ESI )

+	RET

+#undef FRAME_OFFSET

+

+

+

+

+ALIGNTEXT16

+GLOBL GLNAME( _mesa_x86_transform_points3_perspective )

+HIDDEN(_mesa_x86_transform_points3_perspective)

+GLNAME( _mesa_x86_transform_points3_perspective ):

+

+#define FRAME_OFFSET 12

+	PUSH_L( ESI )

+	PUSH_L( EDI )

+	PUSH_L( EBX )

+

+	MOV_L( ARG_SOURCE, ESI )

+	MOV_L( ARG_DEST, EDI )

+

+	MOV_L( ARG_MATRIX, EDX )

+	MOV_L( REGOFF(V4F_COUNT, ESI), ECX )

+

+	TEST_L( ECX, ECX )

+	JZ( LLBL(x86_p3_pr_done) )

+

+	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )

+	OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) )

+

+	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )

+	MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) )

+

+	SHL_L( CONST(4), ECX )

+	MOV_L( REGOFF(V4F_START, ESI), ESI )

+

+	MOV_L( REGOFF(V4F_START, EDI), EDI )

+	ADD_L( EDI, ECX )

+

+ALIGNTEXT16

+LLBL(x86_p3_pr_loop):

+

+	FLD_S( SRC0 )			/* F4 */

+	FMUL_S( MAT0 )

+

+	FLD_S( SRC1 )			/* F5 F4 */

+	FMUL_S( MAT5 )

+

+	FLD_S( SRC2 )			/* F0 F5 F4 */

+	FMUL_S( MAT8 )

+	FLD_S( SRC2 )			/* F1 F0 F5 F4 */

+	FMUL_S( MAT9 )

+	FLD_S( SRC2 )			/* F2 F1 F0 F5 F4 */

+	FMUL_S( MAT10 )

+

+	FXCH( ST(2) )			/* F0 F1 F2 F5 F4 */

+	FADDP( ST0, ST(4) )		/* F1 F2 F5 F4 */

+	FADDP( ST0, ST(2) )		/* F2 F5 F4 */

+	FLD_S( MAT14 )		/* F6 F2 F5 F4 */

+	FXCH( ST(1) )			/* F2 F6 F5 F4 */

+	FADDP( ST0, ST(1) )		/* F6 F5 F4 */

+

+	MOV_L( SRC2, EBX )

+	XOR_L( CONST(-2147483648), EBX )/* change sign */

+

+	FXCH( ST(2) )			/* F4 F5 F6 */

+	FSTP_S( DST0 )		/* F5 F6 */

+	FSTP_S( DST1 )		/* F6 */

+	FSTP_S( DST2 )		/* */

+	MOV_L( EBX, DST3 )

+

+LLBL(x86_p3_pr_skip):

+

+	ADD_L( CONST(16), EDI )

+	ADD_L( EAX, ESI )

+	CMP_L( ECX, EDI )

+	JNE( LLBL(x86_p3_pr_loop) )

+

+LLBL(x86_p3_pr_done):

+

+	POP_L( EBX )

+	POP_L( EDI )

+	POP_L( ESI )

+	RET

+#undef FRAME_OFFSET

+

+

+

+

+ALIGNTEXT16

+GLOBL GLNAME( _mesa_x86_transform_points3_3d )

+HIDDEN(_mesa_x86_transform_points3_3d)

+GLNAME( _mesa_x86_transform_points3_3d ):

+

+#define FRAME_OFFSET 8

+	PUSH_L( ESI )

+	PUSH_L( EDI )

+

+	MOV_L( ARG_SOURCE, ESI )

+	MOV_L( ARG_DEST, EDI )

+

+	MOV_L( ARG_MATRIX, EDX )

+	MOV_L( REGOFF(V4F_COUNT, ESI), ECX )

+

+	TEST_L( ECX, ECX )

+	JZ( LLBL(x86_p3_3dr_done) )

+

+	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )

+	OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )

+

+	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )

+	MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )

+

+	SHL_L( CONST(4), ECX )

+	MOV_L( REGOFF(V4F_START, ESI), ESI )

+

+	MOV_L( REGOFF(V4F_START, EDI), EDI )

+	ADD_L( EDI, ECX )

+

+ALIGNTEXT16

+LLBL(x86_p3_3dr_loop):

+

+	FLD_S( SRC0 )			/* F4 */

+	FMUL_S( MAT0 )

+	FLD_S( SRC0 )			/* F5 F4 */

+	FMUL_S( MAT1 )

+	FLD_S( SRC0 )			/* F6 F5 F4 */

+	FMUL_S( MAT2 )

+

+	FLD_S( SRC1 )			/* F0 F6 F5 F4 */

+	FMUL_S( MAT4 )

+	FLD_S( SRC1 )			/* F1 F0 F6 F5 F4 */

+	FMUL_S( MAT5 )

+	FLD_S( SRC1 )			/* F2 F1 F0 F6 F5 F4 */

+	FMUL_S( MAT6 )

+

+	FXCH( ST(2) )			/* F0 F1 F2 F6 F5 F4 */

+	FADDP( ST0, ST(5) )		/* F1 F2 F6 F5 F4 */

+	FADDP( ST0, ST(3) )		/* F2 F6 F5 F4 */

+	FADDP( ST0, ST(1) )		/* F6 F5 F4 */

+

+	FLD_S( SRC2 )			/* F0 F6 F5 F4 */

+	FMUL_S( MAT8 )

+	FLD_S( SRC2 )			/* F1 F0 F6 F5 F4 */

+	FMUL_S( MAT9 )

+	FLD_S( SRC2 )			/* F2 F1 F0 F6 F5 F4 */

+	FMUL_S( MAT10 )

+

+	FXCH( ST(2) )			/* F0 F1 F2 F6 F5 F4 */

+	FADDP( ST0, ST(5) )		/* F1 F2 F6 F5 F4 */

+	FADDP( ST0, ST(3) )		/* F2 F6 F5 F4 */

+	FADDP( ST0, ST(1) )		/* F6 F5 F4 */

+

+	FXCH( ST(2) )			/* F4 F5 F6 */

+	FADD_S( MAT12 )

+	FXCH( ST(1) )			/* F5 F4 F6 */

+	FADD_S( MAT13 )

+	FXCH( ST(2) )			/* F6 F4 F5 */

+	FADD_S( MAT14 )

+

+	FXCH( ST(1) )			/* F4 F6 F5 */

+	FSTP_S( DST0   )		/* F6 F5 */

+	FXCH( ST(1) )			/* F5 F6 */

+	FSTP_S( DST1   )		/* F6 */

+	FSTP_S( DST2   )		/* */

+

+LLBL(x86_p3_3dr_skip):

+

+	ADD_L( CONST(16), EDI )

+	ADD_L( EAX, ESI )

+	CMP_L( ECX, EDI )

+	JNE( LLBL(x86_p3_3dr_loop) )

+

+LLBL(x86_p3_3dr_done):

+

+	POP_L( EDI )

+	POP_L( ESI )

+	RET

+#undef FRAME_OFFSET

+

+

+

+

+ALIGNTEXT16

+GLOBL GLNAME( _mesa_x86_transform_points3_3d_no_rot )

+HIDDEN(_mesa_x86_transform_points3_3d_no_rot)

+GLNAME( _mesa_x86_transform_points3_3d_no_rot ):

+

+#define FRAME_OFFSET 8

+	PUSH_L( ESI )

+	PUSH_L( EDI )

+

+	MOV_L( ARG_SOURCE, ESI )

+	MOV_L( ARG_DEST, EDI )

+

+

+	MOV_L( ARG_MATRIX, EDX )

+	MOV_L( REGOFF(V4F_COUNT, ESI), ECX )

+

+	TEST_L( ECX, ECX )

+	JZ( LLBL(x86_p3_3dnrr_done) )

+

+	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )

+	OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )

+

+	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )

+	MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )

+

+	SHL_L( CONST(4), ECX )

+	MOV_L( REGOFF(V4F_START, ESI), ESI )

+

+	MOV_L( REGOFF(V4F_START, EDI), EDI )

+	ADD_L( EDI, ECX )

+

+ALIGNTEXT16

+LLBL(x86_p3_3dnrr_loop):

+

+	FLD_S( SRC0 )			/* F4 */

+	FMUL_S( MAT0 )

+

+	FLD_S( SRC1 )			/* F1 F4 */

+	FMUL_S( MAT5 )

+

+	FLD_S( SRC2 )			/* F2 F1 F4 */

+	FMUL_S( MAT10 )

+

+	FXCH( ST(2) )			/* F4 F1 F2 */

+	FADD_S( MAT12 )

+	FLD_S( MAT13 )		/* F5 F4 F1 F2 */

+	FXCH( ST(2) )			/* F1 F4 F5 F2 */

+	FADDP( ST0, ST(2) )		/* F4 F5 F2 */

+	FLD_S( MAT14 )		/* F6 F4 F5 F2 */

+	FXCH( ST(3) )			/* F2 F4 F5 F6 */

+	FADDP( ST0, ST(3) )		/* F4 F5 F6 */

+

+	FSTP_S( DST0   )		/* F5 F6 */

+	FSTP_S( DST1   )		/* F6 */

+	FSTP_S( DST2   )		/* */

+

+LLBL(x86_p3_3dnrr_skip):

+

+	ADD_L( CONST(16), EDI )

+	ADD_L( EAX, ESI )

+	CMP_L( ECX, EDI )

+	JNE( LLBL(x86_p3_3dnrr_loop) )

+

+LLBL(x86_p3_3dnrr_done):

+

+	POP_L( EDI )

+	POP_L( ESI )

+	RET

+#undef FRAME_OFFSET

+

+

+

+

+ALIGNTEXT16

+GLOBL GLNAME( _mesa_x86_transform_points3_2d )

+HIDDEN(_mesa_x86_transform_points3_2d)

+GLNAME( _mesa_x86_transform_points3_2d ):

+

+#define FRAME_OFFSET 12

+	PUSH_L( ESI )

+	PUSH_L( EDI )

+	PUSH_L( EBX )

+

+	MOV_L( ARG_SOURCE, ESI )

+	MOV_L( ARG_DEST, EDI )

+

+	MOV_L( ARG_MATRIX, EDX )

+	MOV_L( REGOFF(V4F_COUNT, ESI), ECX )

+

+	TEST_L( ECX, ECX )

+	JZ( LLBL(x86_p3_2dr_done) )

+

+	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )

+	OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )

+

+	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )

+	MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )

+

+	SHL_L( CONST(4), ECX )

+	MOV_L( REGOFF(V4F_START, ESI), ESI )

+

+	MOV_L( REGOFF(V4F_START, EDI), EDI )

+	ADD_L( EDI, ECX )

+

+ALIGNTEXT16

+LLBL(x86_p3_2dr_loop):

+

+	FLD_S( SRC0 )			/* F4 */

+	FMUL_S( MAT0 )

+	FLD_S( SRC0 )			/* F5 F4 */

+	FMUL_S( MAT1 )

+

+	FLD_S( SRC1 )			/* F0 F5 F4 */

+	FMUL_S( MAT4 )

+	FLD_S( SRC1 )			/* F1 F0 F5 F4 */

+	FMUL_S( MAT5 )

+

+	FXCH( ST(1) )			/* F0 F1 F5 F4 */

+	FADDP( ST0, ST(3) )		/* F1 F5 F4 */

+	FADDP( ST0, ST(1) )		/* F5 F4 */

+

+	FXCH( ST(1) )			/* F4 F5 */

+	FADD_S( MAT12 )

+	FXCH( ST(1) )			/* F5 F4 */

+	FADD_S( MAT13 )

+

+	MOV_L( SRC2, EBX )

+

+	FXCH( ST(1) )			/* F4 F5 */

+	FSTP_S( DST0   )		/* F5 */

+	FSTP_S( DST1   )		/* */

+	MOV_L( EBX, DST2 )

+

+LLBL(x86_p3_2dr_skip):

+

+	ADD_L( CONST(16), EDI )

+	ADD_L( EAX, ESI )

+	CMP_L( ECX, EDI )

+	JNE( LLBL(x86_p3_2dr_loop) )

+

+LLBL(x86_p3_2dr_done):

+

+	POP_L( EBX )

+	POP_L( EDI )

+	POP_L( ESI )

+	RET

+#undef FRAME_OFFSET

+

+

+

+

+ALIGNTEXT16

+GLOBL GLNAME( _mesa_x86_transform_points3_2d_no_rot )

+HIDDEN(_mesa_x86_transform_points3_2d_no_rot)

+GLNAME( _mesa_x86_transform_points3_2d_no_rot ):

+

+#define FRAME_OFFSET 12

+	PUSH_L( ESI )

+	PUSH_L( EDI )

+	PUSH_L( EBX )

+

+	MOV_L( ARG_SOURCE, ESI )

+	MOV_L( ARG_DEST, EDI )

+

+	MOV_L( ARG_MATRIX, EDX )

+	MOV_L( REGOFF(V4F_COUNT, ESI), ECX )

+

+	TEST_L( ECX, ECX )

+	JZ( LLBL(x86_p3_2dnrr_done) )

+

+	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )

+	OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )

+

+	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )

+	MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )

+

+	SHL_L( CONST(4), ECX )

+	MOV_L( REGOFF(V4F_START, ESI), ESI )

+

+	MOV_L( REGOFF(V4F_START, EDI), EDI )

+	ADD_L( EDI, ECX )

+

+ALIGNTEXT16

+LLBL(x86_p3_2dnrr_loop):

+

+	FLD_S( SRC0 )			/* F4 */

+	FMUL_S( MAT0 )

+

+	FLD_S( SRC1 )			/* F1 F4 */

+	FMUL_S( MAT5 )

+

+	FXCH( ST(1) )			/* F4 F1 */

+	FADD_S( MAT12 )

+	FLD_S( MAT13 )		/* F5 F4 F1 */

+

+	FXCH( ST(2) )			/* F1 F4 F5 */

+	FADDP( ST0, ST(2) )		/* F4 F5 */

+

+	MOV_L( SRC2, EBX )

+

+	FSTP_S( DST0 )		/* F5 */

+	FSTP_S( DST1 )		/* */

+	MOV_L( EBX, DST2 )

+

+LLBL(x86_p3_2dnrr_skip):

+

+	ADD_L( CONST(16), EDI )

+	ADD_L( EAX, ESI )

+	CMP_L( ECX, EDI )

+	JNE( LLBL(x86_p3_2dnrr_loop) )

+

+LLBL(x86_p3_2dnrr_done):

+

+	POP_L( EBX )

+	POP_L( EDI )

+	POP_L( ESI )

+	RET

+#undef FRAME_OFFSET

+

+

+

+

+ALIGNTEXT16

+GLOBL GLNAME( _mesa_x86_transform_points3_identity )

+HIDDEN(_mesa_x86_transform_points3_identity)

+GLNAME(_mesa_x86_transform_points3_identity ):

+

+#define FRAME_OFFSET 16

+	PUSH_L( ESI )

+	PUSH_L( EDI )

+	PUSH_L( EBX )

+	PUSH_L( EBP )

+

+	MOV_L( ARG_SOURCE, ESI )

+	MOV_L( ARG_DEST, EDI )

+

+	MOV_L( ARG_MATRIX, EDX )

+	MOV_L( REGOFF(V4F_COUNT, ESI), ECX )

+

+	TEST_L( ECX, ECX )

+	JZ( LLBL(x86_p3_ir_done) )

+

+	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )

+	OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )

+

+	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )

+	MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )

+

+	SHL_L( CONST(4), ECX )

+	MOV_L( REGOFF(V4F_START, ESI), ESI )

+

+	MOV_L( REGOFF(V4F_START, EDI), EDI )

+	ADD_L( EDI, ECX )

+

+	CMP_L( ESI, EDI )

+	JE( LLBL(x86_p3_ir_done) )

+

+ALIGNTEXT16

+LLBL(x86_p3_ir_loop):

+

+#if 1

+	MOV_L( SRC0, EBX )

+	MOV_L( SRC1, EBP )

+	MOV_L( SRC2, EDX )

+

+	MOV_L( EBX, DST0 )

+	MOV_L( EBP, DST1 )

+	MOV_L( EDX, DST2 )

+#else

+	FLD_S( SRC0 )

+	FLD_S( SRC1 )

+	FLD_S( SRC2 )

+

+	FSTP_S( DST2 )

+	FSTP_S( DST1 )

+	FSTP_S( DST0 )

+#endif

+

+LLBL(x86_p3_ir_skip):

+

+	ADD_L( CONST(16), EDI )

+	ADD_L( EAX, ESI )

+	CMP_L( ECX, EDI )

+	JNE( LLBL(x86_p3_ir_loop) )

+

+LLBL(x86_p3_ir_done):

+

+	POP_L( EBP )

+	POP_L( EBX )

+	POP_L( EDI )

+	POP_L( ESI )

+	RET

+	

+#if defined (__ELF__) && defined (__linux__)

+	.section .note.GNU-stack,"",%progbits

+#endif