📄 3dnow_xform3.s

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LLBL( G3TP3R_2 ):

    FEMMS
    POP_L     ( EDI )
    POP_L     ( ESI )
    RET




ALIGNTEXT16
GLOBL GLNAME( _mesa_3dnow_transform_points3_3d_no_rot )
HIDDEN(_mesa_3dnow_transform_points3_3d_no_rot)
GLNAME( _mesa_3dnow_transform_points3_3d_no_rot ):

    PUSH_L    ( ESI )

    MOV_L     ( ARG_DEST, ECX )
    MOV_L     ( ARG_MATRIX, ESI )
    MOV_L     ( ARG_SOURCE, EAX )
    MOV_L     ( CONST(3), REGOFF(V4F_SIZE, ECX) )
    OR_B      ( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, ECX) )
    MOV_L     ( REGOFF(V4F_COUNT, EAX), EDX )
    MOV_L     ( EDX, REGOFF(V4F_COUNT, ECX) )

    PUSH_L    ( EDI )

    MOV_L     ( REGOFF(V4F_START, ECX), EDX )
    MOV_L     ( ESI, ECX )
    MOV_L     ( REGOFF(V4F_COUNT, EAX), ESI )
    MOV_L     ( REGOFF(V4F_STRIDE, EAX), EDI )
    MOV_L     ( REGOFF(V4F_START, EAX), EAX )

    TEST_L    ( ESI, ESI )
    JZ        ( LLBL( G3TP3NRR_2 ) )

    PREFETCH  ( REGIND(EAX) )
    PREFETCHW ( REGIND(EDX) )

    MOVD      ( REGIND(ECX), MM0 )	/*                 | m00             */
    PUNPCKLDQ ( REGOFF(20, ECX), MM0 )	/* m11             | m00             */

    MOVD      ( REGOFF(40, ECX), MM2 )	/*                 | m22             */
    PUNPCKLDQ ( MM2, MM2 )		/* m22             | m22             */

    MOVQ      ( REGOFF(48, ECX), MM1 )	/* m31             | m30             */
    MOVD      ( REGOFF(56, ECX), MM3 )	/*                 | m32             */

    PUNPCKLDQ ( MM3, MM3 )		/* m32             | m32             */


ALIGNTEXT16
LLBL( G3TP3NRR_1 ):

    PREFETCHW ( REGOFF(32, EDX) )	/* prefetch 2 vertices ahead         */

    MOVQ      ( REGIND(EAX), MM4 )	/* x1              | x0              */
    MOVD      ( REGOFF(8, EAX), MM5 )	/*                 | x2              */

    ADD_L     ( EDI, EAX )		/* next vertex                       */
    PREFETCHW ( REGIND(EAX) )
	
    PFMUL     ( MM0, MM4 )		/* x1*m11          | x0*m00          */

    PFADD     ( MM1, MM4 )		/* x1*m11+m31      | x0*m00+m30      */
    PFMUL     ( MM2, MM5 )		/*                 | x2*m22          */

    PFADD     ( MM3, MM5 )		/*                 | x2*m22+m32      */
    MOVQ      ( MM4, REGIND(EDX) )	/* write r0, r1                      */

    ADD_L     ( CONST(16), EDX )	/* next r                            */
    DEC_L     ( ESI )			/* decrement vertex counter          */

    MOVD      ( MM5, REGOFF(-8, EDX) )	/* write r2                          */
    JNZ       ( LLBL( G3TP3NRR_1 ) )	/* cnt > 0 ? -> process next vertex  */

LLBL( G3TP3NRR_2 ):

    FEMMS
    POP_L     ( EDI )
    POP_L     ( ESI )
    RET




ALIGNTEXT16
GLOBL GLNAME( _mesa_3dnow_transform_points3_2d )
HIDDEN(_mesa_3dnow_transform_points3_2d)
GLNAME( _mesa_3dnow_transform_points3_2d ):

    PUSH_L    ( ESI )

    MOV_L     ( ARG_DEST, ECX )
    MOV_L     ( ARG_MATRIX, ESI )
    MOV_L     ( ARG_SOURCE, EAX )
    MOV_L     ( CONST(3), REGOFF(V4F_SIZE, ECX) )
    OR_B      ( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, ECX) )
    MOV_L     ( REGOFF(V4F_COUNT, EAX), EDX )
    MOV_L     ( EDX, REGOFF(V4F_COUNT, ECX) )

    PUSH_L    ( EDI )

    MOV_L     ( REGOFF(V4F_START, ECX), EDX )
    MOV_L     ( ESI, ECX )
    MOV_L     ( REGOFF(V4F_COUNT, EAX), ESI )
    MOV_L     ( REGOFF(V4F_STRIDE, EAX), EDI )
    MOV_L     ( REGOFF(V4F_START, EAX), EAX )

    TEST_L    ( ESI, ESI )
    JZ        ( LLBL( G3TP2R_3) )

    PREFETCH  ( REGIND(EAX) )
    PREFETCHW ( REGIND(EDX) )

    MOVD      ( REGIND(ECX), MM0 )	/*                 | m00             */
    PUNPCKLDQ ( REGOFF(16, ECX), MM0 )	/* m10             | m00             */

    MOVD      ( REGOFF(4, ECX), MM1 )	/*                 | m01             */
    PUNPCKLDQ ( REGOFF(20, ECX), MM1 )	/* m11             | m01             */

    MOVQ      ( REGOFF(48, ECX), MM2 )	/* m31             | m30             */

ALIGNTEXT16
LLBL( G3TP2R_2 ):

    PREFETCHW ( REGOFF(32, EDX) )	/* prefetch 2 vertices ahead         */

    MOVQ      ( REGIND(EAX), MM3 )	/* x1              | x0              */
    MOVD      ( REGOFF(8, EAX), MM5 )	/*                 | x2              */

    ADD_L     ( EDI, EAX )		/* next vertex                       */
    PREFETCH  ( REGIND(EAX) )

    MOVQ      ( MM3, MM4 )		/* x1              | x0              */
    PFMUL     ( MM0, MM3 )		/* x1*m10          | x0*m00          */

    ADD_L     ( CONST(16), EDX )	/* next r                            */
    PFMUL     ( MM1, MM4 )		/* x1*m11          | x0*m01          */

    PFACC     ( MM4, MM3 )		/* x0*m00+x1*m10   | x0*m01+x1*m11   */
    MOVD      ( MM5, REGOFF(-8, EDX) )	/* write r2 (=x2)                    */

    PFADD     ( MM2, MM3 )		/* x0*...*m10+m30  | x0*...*m11+m31  */
    MOVQ      ( MM3, REGOFF(-16, EDX) )	/* write r0, r1                      */

    DEC_L     ( ESI )			/* decrement vertex counter          */
    JNZ       ( LLBL( G3TP2R_2 ) )	/* cnt > 0 ? -> process next vertex  */

LLBL( G3TP2R_3 ):

    FEMMS
    POP_L     ( EDI )
    POP_L     ( ESI )
    RET




ALIGNTEXT16
GLOBL GLNAME( _mesa_3dnow_transform_points3_2d_no_rot )
HIDDEN(_mesa_3dnow_transform_points3_2d_no_rot)
GLNAME( _mesa_3dnow_transform_points3_2d_no_rot ):

    PUSH_L    ( ESI )

    MOV_L     ( ARG_DEST, ECX )
    MOV_L     ( ARG_MATRIX, ESI )
    MOV_L     ( ARG_SOURCE, EAX )
    MOV_L     ( CONST(3), REGOFF(V4F_SIZE, ECX) )
    OR_B      ( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, ECX) )
    MOV_L     ( REGOFF(V4F_COUNT, EAX), EDX )
    MOV_L     ( EDX, REGOFF(V4F_COUNT, ECX) )

    PUSH_L    ( EDI )

    MOV_L     ( REGOFF(V4F_START, ECX), EDX )
    MOV_L     ( ESI, ECX )
    MOV_L     ( REGOFF(V4F_COUNT, EAX), ESI )
    MOV_L     ( REGOFF(V4F_STRIDE, EAX), EDI )
    MOV_L     ( REGOFF(V4F_START, EAX), EAX )

    TEST_L    ( ESI, ESI )
    JZ        ( LLBL( G3TP2NRR_2 ) )

    PREFETCH  ( REGIND(EAX) )
    PREFETCHW ( REGIND(EDX) )

    MOVD      ( REGIND(ECX), MM0 )	/*                 | m00             */
    PUNPCKLDQ ( REGOFF(20, ECX), MM0 )	/* m11             | m00             */

    MOVQ      ( REGOFF(48, ECX), MM1 )	/* m31             | m30             */


ALIGNTEXT16
LLBL( G3TP2NRR_1 ):

    PREFETCHW ( REGOFF(32, EDX) )	/* prefetch 2 vertices ahead         */

    MOVQ      ( REGIND(EAX), MM4 )	/* x1              | x0              */
    MOVD      ( REGOFF(8, EAX), MM5 )	/*                 | x2              */

    ADD_L     ( EDI, EAX )		/* next vertex                       */
    PREFETCH  ( REGIND(EAX) )

    PFMUL     ( MM0, MM4 )		/* x1*m11          | x0*m00          */
    ADD_L     ( CONST(16), EDX )	/* next r                            */

    PFADD     ( MM1, MM4 )		/* x1*m11+m31      | x0*m00+m30      */

    MOVQ      ( MM4, REGOFF(-16, EDX) )	/* write r0, r1                      */
    MOVD      ( MM5, REGOFF(-8, EDX) )	/* write r2 (=x2)                    */

    DEC_L     ( ESI )			/* decrement vertex counter          */
    JNZ       ( LLBL( G3TP2NRR_1 ) )	/* cnt > 0 ? -> process next vertex  */

LLBL( G3TP2NRR_2 ):

    FEMMS
    POP_L     ( EDI )
    POP_L     ( ESI )
    RET




ALIGNTEXT16
GLOBL GLNAME( _mesa_3dnow_transform_points3_identity )
HIDDEN(_mesa_3dnow_transform_points3_identity)
GLNAME( _mesa_3dnow_transform_points3_identity ):

    PUSH_L    ( ESI )

    MOV_L     ( ARG_DEST, ECX )
    MOV_L     ( ARG_MATRIX, ESI )
    MOV_L     ( ARG_SOURCE, EAX )
    MOV_L     ( CONST(3), REGOFF(V4F_SIZE, ECX) )
    OR_B      ( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, ECX) )
    MOV_L     ( REGOFF(V4F_COUNT, EAX), EDX )
    MOV_L     ( EDX, REGOFF(V4F_COUNT, ECX) )

    PUSH_L    ( EDI )

    MOV_L     ( REGOFF(V4F_START, ECX), EDX )
    MOV_L     ( ESI, ECX )
    MOV_L     ( REGOFF(V4F_COUNT, EAX), ESI )
    MOV_L     ( REGOFF(V4F_STRIDE, EAX), EDI )
    MOV_L     ( REGOFF(V4F_START, EAX), EAX )

    TEST_L    ( ESI, ESI )
    JZ        ( LLBL( G3TPIR_2 ) )

    PREFETCHW ( REGIND(EDX) )

ALIGNTEXT16
LLBL( G3TPIR_1 ):

    PREFETCHW ( REGOFF(32, EDX) )

    MOVQ      ( REGIND(EAX), MM0 )	/* x1              | x0              */
    MOVD      ( REGOFF(8, EAX), MM1 )	/*                 | x2              */

    ADD_L     ( EDI, EAX )		/* next vertex                       */
    ADD_L     ( CONST(16), EDX )	/* next r                            */

    DEC_L     ( ESI )			/* decrement vertex counter          */
    MOVQ      ( MM0, REGOFF(-16, EDX) )	/* r1              | r0              */

    MOVD      ( MM1, REGOFF(-8, EDX) )	/*                 | r2              */
    JNZ       ( LLBL( G3TPIR_1 ) )	/* cnt > 0 ? -> process next vertex  */

LLBL( G3TPIR_2 ):

    FEMMS
    POP_L     ( EDI )
    POP_L     ( ESI )
    RET
#endif
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