/* * 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 "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_points4_general ) GLNAME( _mesa_x86_transform_points4_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_p4_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_p4_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 */ FLD_S( SRC3 ) /* F0 F7 F6 F5 F4 */ FMUL_S( MAT12 ) FLD_S( SRC3 ) /* F1 F0 F7 F6 F5 F4 */ FMUL_S( MAT13 ) FLD_S( SRC3 ) /* F2 F1 F0 F7 F6 F5 F4 */ FMUL_S( MAT14 ) FLD_S( SRC3 ) /* F3 F2 F1 F0 F7 F6 F5 F4 */ FMUL_S( MAT15 ) 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 */ FSTP_S( DST0 ) /* F6 F5 F7 */ FXCH( ST(1) ) /* F5 F6 F7 */ FSTP_S( DST1 ) /* F6 F7 */ FSTP_S( DST2 ) /* F7 */ FSTP_S( DST3 ) /* */ LLBL(x86_p4_gr_skip): ADD_L( CONST(16), EDI ) ADD_L( EAX, ESI ) CMP_L( ECX, EDI ) JNE( LLBL(x86_p4_gr_loop) ) LLBL(x86_p4_gr_done): POP_L( EDI ) POP_L( ESI ) RET #undef FRAME_OFFSET ALIGNTEXT16 GLOBL GLNAME( _mesa_x86_transform_points4_perspective ) GLNAME( _mesa_x86_transform_points4_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_p4_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_p4_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 ) /* F6 F1 F0 F5 F4 */ FMUL_S( MAT10 ) FXCH( ST(2) ) /* F0 F1 F6 F5 F4 */ FADDP( ST0, ST(4) ) /* F1 F6 F5 F4 */ FADDP( ST0, ST(2) ) /* F6 F5 F4 */ FLD_S( SRC3 ) /* F2 F6 F5 F4 */ FMUL_S( MAT14 ) 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_p4_pr_skip): ADD_L( CONST(16), EDI ) ADD_L( EAX, ESI ) CMP_L( ECX, EDI ) JNE( LLBL(x86_p4_pr_loop) ) LLBL(x86_p4_pr_done): POP_L( EBX ) POP_L( EDI ) POP_L( ESI ) RET #undef FRAME_OFFSET ALIGNTEXT16 GLOBL GLNAME( _mesa_x86_transform_points4_3d ) GLNAME( _mesa_x86_transform_points4_3d ): #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_p4_3dr_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_p4_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 */ FLD_S( SRC3 ) /* F0 F6 F5 F4 */ FMUL_S( MAT12 ) FLD_S( SRC3 ) /* F1 F0 F6 F5 F4 */ FMUL_S( MAT13 ) FLD_S( SRC3 ) /* F2 F1 F0 F6 F5 F4 */ FMUL_S( MAT14 ) 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 */ MOV_L( SRC3, EBX ) FXCH( ST(2) ) /* F4 F5 F6 */ FSTP_S( DST0 ) /* F5 F6 */ FSTP_S( DST1 ) /* F6 */ FSTP_S( DST2 ) /* */ MOV_L( EBX, DST3 ) LLBL(x86_p4_3dr_skip): ADD_L( CONST(16), EDI ) ADD_L( EAX, ESI ) CMP_L( ECX, EDI ) JNE( LLBL(x86_p4_3dr_loop) ) LLBL(x86_p4_3dr_done): POP_L( EBX ) POP_L( EDI ) POP_L( ESI ) RET #undef FRAME_OFFSET ALIGNTEXT16 GLOBL GLNAME(_mesa_x86_transform_points4_3d_no_rot) GLNAME(_mesa_x86_transform_points4_3d_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_p4_3dnrr_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_p4_3dnrr_loop): FLD_S( SRC0 ) /* F4 */ FMUL_S( MAT0 ) FLD_S( SRC1 ) /* F5 F4 */ FMUL_S( MAT5 ) FLD_S( SRC2 ) /* F6 F5 F4 */ FMUL_S( MAT10 ) FLD_S( SRC3 ) /* F0 F6 F5 F4 */ FMUL_S( MAT12 ) FLD_S( SRC3 ) /* F1 F0 F6 F5 F4 */ FMUL_S( MAT13 ) FLD_S( SRC3 ) /* F2 F1 F0 F6 F5 F4 */ FMUL_S( MAT14 ) 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 */ MOV_L( SRC3, EBX ) FXCH( ST(2) ) /* F4 F5 F6 */ FSTP_S( DST0 ) /* F5 F6 */ FSTP_S( DST1 ) /* F6 */ FSTP_S( DST2 ) /* */ MOV_L( EBX, DST3 ) LLBL(x86_p4_3dnrr_skip): ADD_L( CONST(16), EDI ) ADD_L( EAX, ESI ) CMP_L( ECX, EDI ) JNE( LLBL(x86_p4_3dnrr_loop) ) LLBL(x86_p4_3dnrr_done): POP_L( EBX ) POP_L( EDI ) POP_L( ESI ) RET #undef FRAME_OFFSET ALIGNTEXT16 GLOBL GLNAME( _mesa_x86_transform_points4_2d ) GLNAME( _mesa_x86_transform_points4_2d ): #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_p4_2dr_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_p4_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 */ FLD_S( SRC3 ) /* F0 F5 F4 */ FMUL_S( MAT12 ) FLD_S( SRC3 ) /* F1 F0 F5 F4 */ FMUL_S( MAT13 ) FXCH( ST(1) ) /* F0 F1 F5 F4 */ FADDP( ST0, ST(3) ) /* F1 F5 F4 */ FADDP( ST0, ST(1) ) /* F5 F4 */ MOV_L( SRC2, EBX ) MOV_L( SRC3, EBP ) FXCH( ST(1) ) /* F4 F5 */ FSTP_S( DST0 ) /* F5 */ FSTP_S( DST1 ) /* */ MOV_L( EBX, DST2 ) MOV_L( EBP, DST3 ) LLBL(x86_p4_2dr_skip): ADD_L( CONST(16), EDI ) ADD_L( EAX, ESI ) CMP_L( ECX, EDI ) JNE( LLBL(x86_p4_2dr_loop) ) LLBL(x86_p4_2dr_done): POP_L( EBP ) POP_L( EBX ) POP_L( EDI ) POP_L( ESI ) RET #undef FRAME_OFFSET ALIGNTEXT16 GLOBL GLNAME( _mesa_x86_transform_points4_2d_no_rot ) GLNAME( _mesa_x86_transform_points4_2d_no_rot ): #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_p4_2dnrr_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_p4_2dnrr_loop): FLD_S( SRC0 ) /* F4 */ FMUL_S( MAT0 ) FLD_S( SRC1 ) /* F5 F4 */ FMUL_S( MAT5 ) FLD_S( SRC3 ) /* F0 F5 F4 */ FMUL_S( MAT12 ) FLD_S( SRC3 ) /* F1 F0 F5 F4 */ FMUL_S( MAT13 ) FXCH( ST(1) ) /* F0 F1 F5 F4 */ FADDP( ST0, ST(3) ) /* F1 F5 F4 */ FADDP( ST0, ST(1) ) /* F5 F4 */ MOV_L( SRC2, EBX ) MOV_L( SRC3, EBP ) FXCH( ST(1) ) /* F4 F5 */ FSTP_S( DST0 ) /* F5 */ FSTP_S( DST1 ) /* */ MOV_L( EBX, DST2 ) MOV_L( EBP, DST3 ) LLBL(x86_p4_2dnrr_skip): ADD_L( CONST(16), EDI ) ADD_L( EAX, ESI ) CMP_L( ECX, EDI ) JNE( LLBL(x86_p4_2dnrr_loop) ) LLBL(x86_p4_2dnrr_done): POP_L( EBP ) POP_L( EBX ) POP_L( EDI ) POP_L( ESI ) RET #undef FRAME_OFFSET ALIGNTEXT16 GLOBL GLNAME( _mesa_x86_transform_points4_identity ) GLNAME( _mesa_x86_transform_points4_identity ): #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_p4_ir_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 ) CMP_L( ESI, EDI ) JE( LLBL(x86_p4_ir_done) ) ALIGNTEXT16 LLBL(x86_p4_ir_loop): MOV_L( SRC0, EBX ) MOV_L( SRC1, EDX ) MOV_L( EBX, DST0 ) MOV_L( EDX, DST1 ) MOV_L( SRC2, EBX ) MOV_L( SRC3, EDX ) MOV_L( EBX, DST2 ) MOV_L( EDX, DST3 ) LLBL(x86_p4_ir_skip): ADD_L( CONST(16), EDI ) ADD_L( EAX, ESI ) CMP_L( ECX, EDI ) JNE( LLBL(x86_p4_ir_loop) ) LLBL(x86_p4_ir_done): POP_L( EBX ) POP_L( EDI ) POP_L( ESI ) RET