-/* $Id: 3dnow_normal.S,v 1.7 2004/04/08 08:10:37 alanh Exp $ */
+/* $Id: 3dnow_normal.S,v 1.10 2006/04/17 18:58:24 krh Exp $ */
/*
* Mesa 3-D graphics library
* 3Dnow assembly code by Holger Waechtler
*/
+#ifdef USE_3DNOW_ASM
+
#include "matypes.h"
#include "norm_args.h"
ALIGNTEXT16
GLOBL GLNAME(_mesa_3dnow_transform_normalize_normals)
+HIDDEN(_mesa_3dnow_transform_normalize_normals)
GLNAME(_mesa_3dnow_transform_normalize_normals):
#define FRAME_OFFSET 12
PREFETCH ( REGIND(EDX) )
MOVD ( MM1, REGOFF(-8, EAX) ) /* write r2 */
- DEC_L ( EBP ) /* decrement normal counter */
- JA ( LLBL (G3TN_transform) )
+ SUB_L ( CONST(1), EBP ) /* decrement normal counter */
+ JNZ ( LLBL (G3TN_transform) )
POP_L ( EDX ) /* end of transform --- */
MOVD ( MM1, REGOFF(8, EAX) ) /* write new x2 */
ADD_L ( CONST(16), EAX ) /* next r */
- DEC_L ( EBP ) /* decrement normal counter */
+ SUB_L ( CONST(1), EBP ) /* decrement normal counter */
- JA ( LLBL (G3TN_norm_w_lengths) )
+ JNZ ( LLBL (G3TN_norm_w_lengths) )
JMP ( LLBL (G3TN_exit_3dnow) )
ALIGNTEXT32
MOVQ ( MM5, MM4 )
PUNPCKLDQ ( MM3, MM3 )
- DEC_L ( EBP ) /* decrement normal counter */
+ SUB_L ( CONST(1), EBP ) /* decrement normal counter */
PFMUL ( MM5, MM5 )
PFRSQIT1 ( MM3, MM5 )
PFMUL ( MM5, MM1 ) /* | x2 (normalize*/
MOVD ( MM1, REGOFF(-8, EAX) ) /* write new x2 */
- JA ( LLBL (G3TN_norm) )
+ JNZ ( LLBL (G3TN_norm) )
LLBL (G3TN_exit_3dnow):
FEMMS
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
ADD_L ( CONST(4), EDI ) /* next length */
PFMUL ( MM3, MM6 ) /* x1 (normalized) | x0 (normalized) */
- DEC_L ( EBP ) /* decrement normal counter */
+ 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) */
- JA ( LLBL (G3TNNR_norm_w_lengths) )
+ JNZ ( LLBL (G3TNNR_norm_w_lengths) )
JMP ( LLBL (G3TNNR_exit_3dnow) )
ALIGNTEXT32
PFMUL ( MM5, MM5 )
PFRSQIT1 ( MM3, MM5 )
- DEC_L ( EBP ) /* decrement normal counter */
+ SUB_L ( CONST(1), EBP ) /* decrement normal counter */
PFRCPIT2 ( MM4, MM5 )
PFMUL ( MM5, MM6 ) /* x1 (normalized) | x0 (normalized) */
PFMUL ( MM5, MM7 ) /* | x2 (normalized) */
MOVD ( MM7, REGOFF(-8, EAX) ) /* write r2 */
- JA ( LLBL (G3TNNR_norm) )
+ JNZ ( LLBL (G3TNNR_norm) )
LLBL (G3TNNR_exit_3dnow):
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
PFMUL ( MM2, MM5 ) /* | x2*m10 */
ADD_L ( CONST(16), EAX ) /* next r */
- DEC_L ( EBP ) /* decrement normal counter */
+ SUB_L ( CONST(1), EBP ) /* decrement normal counter */
MOVQ ( MM4, REGOFF(-16, EAX) ) /* write r0, r1 */
MOVD ( MM5, REGOFF(-8, EAX) ) /* write r2 */
- JA ( LLBL (G3TRNR_rescale) ) /* cnt > 0 ? -> process next normal */
+ JNZ ( LLBL (G3TRNR_rescale) ) /* cnt > 0 ? -> process next normal */
FEMMS
ALIGNTEXT16
GLOBL GLNAME(_mesa_3dnow_transform_rescale_normals)
+HIDDEN(_mesa_3dnow_transform_rescale_normals)
GLNAME(_mesa_3dnow_transform_rescale_normals):
#undef FRAME_OFFSET
PFADD ( MM2, MM1 ) /* *not used* | x0*m8+x1*m9+x2*m10 */
MOVD ( MM1, REGOFF(-8, EAX) ) /* write r2 */
- DEC_L ( EDI ) /* decrement normal counter */
- JA ( LLBL (G3TR_rescale) )
+ SUB_L ( CONST(1), EDI ) /* decrement normal counter */
+ JNZ ( LLBL (G3TR_rescale) )
FEMMS
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
PFMUL ( MM2, MM5 ) /* | x2*m10 */
ADD_L ( CONST(16), EAX ) /* next r */
- DEC_L ( EDI ) /* decrement normal counter */
+ SUB_L ( CONST(1), EDI ) /* decrement normal counter */
MOVQ ( MM4, REGOFF(-16, EAX) ) /* write r0, r1 */
MOVD ( MM5, REGOFF(-8, EAX) ) /* write r2 */
- JA ( LLBL (G3TNR_transform) )
+ JNZ ( LLBL (G3TNR_transform) )
FEMMS
ALIGNTEXT16
GLOBL GLNAME(_mesa_3dnow_transform_normals)
+HIDDEN(_mesa_3dnow_transform_normals)
GLNAME(_mesa_3dnow_transform_normals):
#undef FRAME_OFFSET
PFADD ( MM2, MM1 ) /* *not used* | x0*m8+x1*m9+x2*m10 */
MOVD ( MM1, REGOFF(-8, EAX) ) /* write r2 */
- DEC_L ( EDI ) /* decrement normal counter */
+ SUB_L ( CONST(1), EDI ) /* decrement normal counter */
- JA ( LLBL (G3T_transform) )
+ JNZ ( LLBL (G3T_transform) )
FEMMS
ALIGNTEXT16
GLOBL GLNAME(_mesa_3dnow_normalize_normals)
+HIDDEN(_mesa_3dnow_normalize_normals)
GLNAME(_mesa_3dnow_normalize_normals):
#undef FRAME_OFFSET
ADD_L ( CONST(16), EAX ) /* next r */
ADD_L ( CONST(4), EDX ) /* next length */
- DEC_L ( EBP ) /* decrement normal counter */
+ SUB_L ( CONST(1), EBP ) /* decrement normal counter */
- JA ( LLBL (G3N_norm1) )
+ JNZ ( LLBL (G3N_norm1) )
JMP ( LLBL (G3N_end1) )
PFMUL ( MM5, MM5 )
PFRSQIT1 ( MM3, MM5 )
- DEC_L ( EBP ) /* decrement normal counter */
+ SUB_L ( CONST(1), EBP ) /* decrement normal counter */
PFRCPIT2 ( MM4, MM5 )
PFMUL ( MM5, MM1 ) /* | x2 (normalized) */
MOVD ( MM1, REGOFF(-8, EAX) ) /* write new x2 */
- JA ( LLBL (G3N_norm2) )
+ JNZ ( LLBL (G3N_norm2) )
LLBL (G3N_end1):
FEMMS
ALIGNTEXT16
GLOBL GLNAME(_mesa_3dnow_rescale_normals)
+HIDDEN(_mesa_3dnow_rescale_normals)
GLNAME(_mesa_3dnow_rescale_normals):
#undef FRAME_OFFSET
MOVQ ( MM1, REGOFF(-16, EAX) ) /* write r0, r1 */
MOVD ( MM2, REGOFF(-8, EAX) ) /* write r2 */
- DEC_L ( EDX ) /* decrement normal counter */
- JA ( LLBL (G3R_rescale) )
+ SUB_L ( CONST(1), EDX ) /* decrement normal counter */
+ JNZ ( LLBL (G3R_rescale) )
FEMMS
POP_L ( ESI )
POP_L ( EDI )
RET
+
+#endif
+
+#if defined (__ELF__) && defined (__linux__)
+ .section .note.GNU-stack,"",%progbits
+#endif