/* $Id: norm.S,v 1.5 2005/07/28 00:11:11 idr Exp $ */ #include "sparc_matrix.h" #if defined(SVR4) || defined(__SVR4) || defined(__svr4__) /* Solaris requires this for 64-bit. */ .register %g2, #scratch .register %g3, #scratch #endif .text #ifdef __arch64__ #define STACK_VAR_OFF (2047 + (8 * 16)) #else #define STACK_VAR_OFF (4 * 16) #endif /* Newton-Raphson approximation turns out to be slower * (and less accurate) than direct fsqrts/fdivs. */ #define ONE_DOT_ZERO 0x3f800000 .globl _mesa_sparc_transform_normalize_normals _mesa_sparc_transform_normalize_normals: /* o0=mat o1=scale o2=in o3=lengths o4=dest */ sethi %hi(ONE_DOT_ZERO), %g2 sub %sp, 16, %sp st %g2, [%sp + STACK_VAR_OFF+0x0] st %o1, [%sp + STACK_VAR_OFF+0x4] ld [%sp + STACK_VAR_OFF+0x0], %f12 ! f12 = 1.0f ld [%sp + STACK_VAR_OFF+0x4], %f15 ! f15 = scale add %sp, 16, %sp LDPTR [%o0 + MAT_INV], %o0 ! o0 = mat->inv LDPTR [%o2 + V4F_START], %o5 ! o5 = 'from' in->start ld [%o2 + V4F_COUNT], %g1 ! g1 = in->count ld [%o2 + V4F_STRIDE], %g2 ! g2 = in->stride LDPTR [%o4 + V4F_START], %g3 ! g3 = 'out' dest->start LDMATRIX_0_1_2_4_5_6_8_9_10(%o0) /* dest->count = in->count */ st %g1, [%o4 + V4F_COUNT] cmp %g1, 1 bl 7f cmp %o3, 0 bne 4f clr %o4 ! 'i' for STRIDE_LOOP 1: /* LENGTHS == NULL */ ld [%o5 + 0x00], %f0 ! ux = from[0] ld [%o5 + 0x04], %f1 ! uy = from[1] ld [%o5 + 0x08], %f2 ! uz = from[2] add %o5, %g2, %o5 ! STRIDE_F(from, stride) add %o4, 1, %o4 ! i++ /* tx (f3) = (ux * m0) + (uy * m1) + (uz * m2) * ty (f5) = (ux * m4) + (uy * m5) + (uz * m6) * tz (f7) = (ux * m8) + (uy * m9) + (uz * m10) */ fmuls %f0, M0, %f3 ! FGM Group fmuls %f1, M1, %f4 ! FGM Group fmuls %f0, M4, %f5 ! FGM Group fmuls %f1, M5, %f6 ! FGM Group fmuls %f0, M8, %f7 ! FGM Group f3 available fmuls %f1, M9, %f8 ! FGM Group f4 available fadds %f3, %f4, %f3 ! FGA fmuls %f2, M2, %f10 ! FGM Group f5 available fmuls %f2, M6, %f0 ! FGM Group f6 available fadds %f5, %f6, %f5 ! FGA fmuls %f2, M10, %f4 ! FGM Group f7 available fadds %f7, %f8, %f7 ! FGA Group f8,f3 available fadds %f3, %f10, %f3 ! FGA Group f10 available fadds %f5, %f0, %f5 ! FGA Group stall f0,f5 available fadds %f7, %f4, %f7 ! FGA Group stall f4,f7 available /* f3=tx, f5=ty, f7=tz */ /* len (f6) = (tx * tx) + (ty * ty) + (tz * tz) */ fmuls %f3, %f3, %f6 ! FGM Group f3 available fmuls %f5, %f5, %f8 ! FGM Group f5 available fmuls %f7, %f7, %f10 ! FGM Group f7 available fadds %f6, %f8, %f6 ! FGA Group 2cyc stall f6,f8 available fadds %f6, %f10, %f6 ! FGA Group 4cyc stall f6,f10 available /* scale (f6) = 1.0 / sqrt(len) */ fsqrts %f6, %f6 ! FDIV 20 cycles fdivs %f12, %f6, %f6 ! FDIV 14 cycles fmuls %f3, %f6, %f3 st %f3, [%g3 + 0x00] ! out[i][0] = tx * scale fmuls %f5, %f6, %f5 st %f5, [%g3 + 0x04] ! out[i][1] = ty * scale fmuls %f7, %f6, %f7 st %f7, [%g3 + 0x08] ! out[i][2] = tz * scale cmp %o4, %g1 ! continue if (i < count) bl 1b add %g3, 0x0c, %g3 ! advance out vector pointer ba 7f nop 4: /* LENGTHS != NULL */ fmuls M0, %f15, M0 fmuls M1, %f15, M1 fmuls M2, %f15, M2 fmuls M4, %f15, M4 fmuls M5, %f15, M5 fmuls M6, %f15, M6 fmuls M8, %f15, M8 fmuls M9, %f15, M9 fmuls M10, %f15, M10 5: ld [%o5 + 0x00], %f0 ! ux = from[0] ld [%o5 + 0x04], %f1 ! uy = from[1] ld [%o5 + 0x08], %f2 ! uz = from[2] add %o5, %g2, %o5 ! STRIDE_F(from, stride) add %o4, 1, %o4 ! i++ /* tx (f3) = (ux * m0) + (uy * m1) + (uz * m2) * ty (f5) = (ux * m4) + (uy * m5) + (uz * m6) * tz (f7) = (ux * m8) + (uy * m9) + (uz * m10) */ fmuls %f0, M0, %f3 ! FGM Group fmuls %f1, M1, %f4 ! FGM Group fmuls %f0, M4, %f5 ! FGM Group fmuls %f1, M5, %f6 ! FGM Group fmuls %f0, M8, %f7 ! FGM Group f3 available fmuls %f1, M9, %f8 ! FGM Group f4 available fadds %f3, %f4, %f3 ! FGA fmuls %f2, M2, %f10 ! FGM Group f5 available fmuls %f2, M6, %f0 ! FGM Group f6 available fadds %f5, %f6, %f5 ! FGA fmuls %f2, M10, %f4 ! FGM Group f7 available fadds %f7, %f8, %f7 ! FGA Group f8,f3 available fadds %f3, %f10, %f3 ! FGA Group f10 available ld [%o3], %f13 ! LSU fadds %f5, %f0, %f5 ! FGA Group stall f0,f5 available add %o3, 4, %o3 ! IEU0 fadds %f7, %f4, %f7 ! FGA Group stall f4,f7 available /* f3=tx, f5=ty, f7=tz, f13=lengths[i] */ fmuls %f3, %f13, %f3 st %f3, [%g3 + 0x00] ! out[i][0] = tx * len fmuls %f5, %f13, %f5 st %f5, [%g3 + 0x04] ! out[i][1] = ty * len fmuls %f7, %f13, %f7 st %f7, [%g3 + 0x08] ! out[i][2] = tz * len cmp %o4, %g1 ! continue if (i < count) bl 5b add %g3, 0x0c, %g3 ! advance out vector pointer 7: retl nop .globl _mesa_sparc_transform_normalize_normals_no_rot _mesa_sparc_transform_normalize_normals_no_rot: /* o0=mat o1=scale o2=in o3=lengths o4=dest */ sethi %hi(ONE_DOT_ZERO), %g2 sub %sp, 16, %sp st %g2, [%sp + STACK_VAR_OFF+0x0] st %o1, [%sp + STACK_VAR_OFF+0x4] ld [%sp + STACK_VAR_OFF+0x0], %f12 ! f12 = 1.0f ld [%sp + STACK_VAR_OFF+0x4], %f15 ! f15 = scale add %sp, 16, %sp LDPTR [%o0 + MAT_INV], %o0 ! o0 = mat->inv LDPTR [%o2 + V4F_START], %o5 ! o5 = 'from' in->start ld [%o2 + V4F_COUNT], %g1 ! g1 = in->count ld [%o2 + V4F_STRIDE], %g2 ! g2 = in->stride LDPTR [%o4 + V4F_START], %g3 ! g3 = 'out' dest->start LDMATRIX_0_5_10(%o0) /* dest->count = in->count */ st %g1, [%o4 + V4F_COUNT] cmp %g1, 1 bl 7f cmp %o3, 0 bne 4f clr %o4 ! 'i' for STRIDE_LOOP 1: /* LENGTHS == NULL */ ld [%o5 + 0x00], %f0 ! ux = from[0] ld [%o5 + 0x04], %f1 ! uy = from[1] ld [%o5 + 0x08], %f2 ! uz = from[2] add %o5, %g2, %o5 ! STRIDE_F(from, stride) add %o4, 1, %o4 ! i++ /* tx (f3) = (ux * m0) * ty (f5) = (uy * m5) * tz (f7) = (uz * m10) */ fmuls %f0, M0, %f3 ! FGM Group fmuls %f1, M5, %f5 ! FGM Group fmuls %f2, M10, %f7 ! FGM Group /* f3=tx, f5=ty, f7=tz */ /* len (f6) = (tx * tx) + (ty * ty) + (tz * tz) */ fmuls %f3, %f3, %f6 ! FGM Group stall, f3 available fmuls %f5, %f5, %f8 ! FGM Group f5 available fmuls %f7, %f7, %f10 ! FGM Group f7 available fadds %f6, %f8, %f6 ! FGA Group 2cyc stall f6,f8 available fadds %f6, %f10, %f6 ! FGA Group 4cyc stall f6,f10 available /* scale (f6) = 1.0 / sqrt(len) */ fsqrts %f6, %f6 ! FDIV 20 cycles fdivs %f12, %f6, %f6 ! FDIV 14 cycles fmuls %f3, %f6, %f3 st %f3, [%g3 + 0x00] ! out[i][0] = tx * scale fmuls %f5, %f6, %f5 st %f5, [%g3 + 0x04] ! out[i][1] = ty * scale fmuls %f7, %f6, %f7 st %f7, [%g3 + 0x08] ! out[i][2] = tz * scale cmp %o4, %g1 ! continue if (i < count) bl 1b add %g3, 0x0c, %g3 ! advance out vector pointer ba 7f nop 4: /* LENGTHS != NULL */ fmuls M0, %f15, M0 fmuls M5, %f15, M5 fmuls M10, %f15, M10 5: ld [%o5 + 0x00], %f0 ! ux = from[0] ld [%o5 + 0x04], %f1 ! uy = from[1] ld [%o5 + 0x08], %f2 ! uz = from[2] add %o5, %g2, %o5 ! STRIDE_F(from, stride) add %o4, 1, %o4 ! i++ /* tx (f3) = (ux * m0) * ty (f5) = (uy * m5) * tz (f7) = (uz * m10) */ fmuls %f0, M0, %f3 ! FGM Group ld [%o3], %f13 ! LSU fmuls %f1, M5, %f5 ! FGM Group add %o3, 4, %o3 ! IEU0 fmuls %f2, M10, %f7 ! FGM Group /* f3=tx, f5=ty, f7=tz, f13=lengths[i] */ fmuls %f3, %f13, %f3 st %f3, [%g3 + 0x00] ! out[i][0] = tx * len fmuls %f5, %f13, %f5 st %f5, [%g3 + 0x04] ! out[i][1] = ty * len fmuls %f7, %f13, %f7 st %f7, [%g3 + 0x08] ! out[i][2] = tz * len cmp %o4, %g1 ! continue if (i < count) bl 5b add %g3, 0x0c, %g3 ! advance out vector pointer 7: retl nop .globl _mesa_sparc_transform_rescale_normals_no_rot _mesa_sparc_transform_rescale_normals_no_rot: /* o0=mat o1=scale o2=in o3=lengths o4=dest */ sub %sp, 16, %sp st %o1, [%sp + STACK_VAR_OFF+0x0] ld [%sp + STACK_VAR_OFF+0x0], %f15 ! f15 = scale add %sp, 16, %sp LDPTR [%o0 + MAT_INV], %o0 ! o0 = mat->inv LDPTR [%o2 + V4F_START], %o5 ! o5 = 'from' in->start ld [%o2 + V4F_COUNT], %g1 ! g1 = in->count ld [%o2 + V4F_STRIDE], %g2 ! g2 = in->stride LDPTR [%o4 + V4F_START], %g3 ! g3 = 'out' dest->start LDMATRIX_0_5_10(%o0) /* dest->count = in->count */ st %g1, [%o4 + V4F_COUNT] cmp %g1, 1 bl 7f clr %o4 ! 'i' for STRIDE_LOOP fmuls M0, %f15, M0 fmuls M5, %f15, M5 fmuls M10, %f15, M10 1: ld [%o5 + 0x00], %f0 ! ux = from[0] ld [%o5 + 0x04], %f1 ! uy = from[1] ld [%o5 + 0x08], %f2 ! uz = from[2] add %o5, %g2, %o5 ! STRIDE_F(from, stride) add %o4, 1, %o4 ! i++ /* tx (f3) = (ux * m0) * ty (f5) = (uy * m5) * tz (f7) = (uz * m10) */ fmuls %f0, M0, %f3 ! FGM Group st %f3, [%g3 + 0x00] ! LSU fmuls %f1, M5, %f5 ! FGM Group st %f5, [%g3 + 0x04] ! LSU fmuls %f2, M10, %f7 ! FGM Group st %f7, [%g3 + 0x08] ! LSU cmp %o4, %g1 ! continue if (i < count) bl 1b add %g3, 0x0c, %g3 ! advance out vector pointer 7: retl nop .globl _mesa_sparc_transform_rescale_normals _mesa_sparc_transform_rescale_normals: /* o0=mat o1=scale o2=in o3=lengths o4=dest */ sub %sp, 16, %sp st %o1, [%sp + STACK_VAR_OFF+0x0] ld [%sp + STACK_VAR_OFF+0x0], %f15 ! f15 = scale add %sp, 16, %sp LDPTR [%o0 + MAT_INV], %o0 ! o0 = mat->inv LDPTR [%o2 + V4F_START], %o5 ! o5 = 'from' in->start ld [%o2 + V4F_COUNT], %g1 ! g1 = in->count ld [%o2 + V4F_STRIDE], %g2 ! g2 = in->stride LDPTR [%o4 + V4F_START], %g3 ! g3 = 'out' dest->start LDMATRIX_0_1_2_4_5_6_8_9_10(%o0) /* dest->count = in->count */ st %g1, [%o4 + V4F_COUNT] cmp %g1, 1 bl 7f clr %o4 ! 'i' for STRIDE_LOOP fmuls M0, %f15, M0 fmuls M1, %f15, M1 fmuls M2, %f15, M2 fmuls M4, %f15, M4 fmuls M5, %f15, M5 fmuls M6, %f15, M6 fmuls M8, %f15, M8 fmuls M9, %f15, M9 fmuls M10, %f15, M10 1: ld [%o5 + 0x00], %f0 ! ux = from[0] ld [%o5 + 0x04], %f1 ! uy = from[1] ld [%o5 + 0x08], %f2 ! uz = from[2] add %o5, %g2, %o5 ! STRIDE_F(from, stride) add %o4, 1, %o4 ! i++ fmuls %f0, M0, %f3 ! FGM Group fmuls %f1, M1, %f4 ! FGM Group fmuls %f0, M4, %f5 ! FGM Group fmuls %f1, M5, %f6 ! FGM Group fmuls %f0, M8, %f7 ! FGM Group f3 available fmuls %f1, M9, %f8 ! FGM Group f4 available fadds %f3, %f4, %f3 ! FGA fmuls %f2, M2, %f10 ! FGM Group f5 available fmuls %f2, M6, %f0 ! FGM Group f6 available fadds %f5, %f6, %f5 ! FGA fmuls %f2, M10, %f4 ! FGM Group f7 available fadds %f7, %f8, %f7 ! FGA Group f8,f3 available fadds %f3, %f10, %f3 ! FGA Group f10 available st %f3, [%g3 + 0x00] ! LSU fadds %f5, %f0, %f5 ! FGA Group stall f0,f5 available st %f5, [%g3 + 0x04] ! LSU fadds %f7, %f4, %f7 ! FGA Group stall f4,f7 available st %f7, [%g3 + 0x08] ! LSU cmp %o4, %g1 ! continue if (i < count) bl 1b add %g3, 0x0c, %g3 ! advance out vector pointer 7: retl nop .globl _mesa_sparc_transform_normals_no_rot _mesa_sparc_transform_normals_no_rot: /* o0=mat o1=scale o2=in o3=lengths o4=dest */ LDPTR [%o0 + MAT_INV], %o0 ! o0 = mat->inv LDPTR [%o2 + V4F_START], %o5 ! o5 = 'from' in->start ld [%o2 + V4F_COUNT], %g1 ! g1 = in->count ld [%o2 + V4F_STRIDE], %g2 ! g2 = in->stride LDPTR [%o4 + V4F_START], %g3 ! g3 = 'out' dest->start LDMATRIX_0_5_10(%o0) /* dest->count = in->count */ st %g1, [%o4 + V4F_COUNT] cmp %g1, 1 bl 7f clr %o4 ! 'i' for STRIDE_LOOP 1: ld [%o5 + 0x00], %f0 ! ux = from[0] ld [%o5 + 0x04], %f1 ! uy = from[1] ld [%o5 + 0x08], %f2 ! uz = from[2] add %o5, %g2, %o5 ! STRIDE_F(from, stride) add %o4, 1, %o4 ! i++ /* tx (f3) = (ux * m0) * ty (f5) = (uy * m5) * tz (f7) = (uz * m10) */ fmuls %f0, M0, %f3 ! FGM Group st %f3, [%g3 + 0x00] ! LSU fmuls %f1, M5, %f5 ! FGM Group st %f5, [%g3 + 0x04] ! LSU fmuls %f2, M10, %f7 ! FGM Group st %f7, [%g3 + 0x08] ! LSU cmp %o4, %g1 ! continue if (i < count) bl 1b add %g3, 0x0c, %g3 ! advance out vector pointer 7: retl nop .globl _mesa_sparc_transform_normals _mesa_sparc_transform_normals: /* o0=mat o1=scale o2=in o3=lengths o4=dest */ LDPTR [%o0 + MAT_INV], %o0 ! o0 = mat->inv LDPTR [%o2 + V4F_START], %o5 ! o5 = 'from' in->start ld [%o2 + V4F_COUNT], %g1 ! g1 = in->count ld [%o2 + V4F_STRIDE], %g2 ! g2 = in->stride LDPTR [%o4 + V4F_START], %g3 ! g3 = 'out' dest->start LDMATRIX_0_1_2_4_5_6_8_9_10(%o0) /* dest->count = in->count */ st %g1, [%o4 + V4F_COUNT] cmp %g1, 1 bl 7f clr %o4 ! 'i' for STRIDE_LOOP 1: ld [%o5 + 0x00], %f0 ! ux = from[0] ld [%o5 + 0x04], %f1 ! uy = from[1] ld [%o5 + 0x08], %f2 ! uz = from[2] add %o5, %g2, %o5 ! STRIDE_F(from, stride) add %o4, 1, %o4 ! i++ fmuls %f0, M0, %f3 ! FGM Group fmuls %f1, M1, %f4 ! FGM Group fmuls %f0, M4, %f5 ! FGM Group fmuls %f1, M5, %f6 ! FGM Group fmuls %f0, M8, %f7 ! FGM Group f3 available fmuls %f1, M9, %f8 ! FGM Group f4 available fadds %f3, %f4, %f3 ! FGA fmuls %f2, M2, %f10 ! FGM Group f5 available fmuls %f2, M6, %f0 ! FGM Group f6 available fadds %f5, %f6, %f5 ! FGA fmuls %f2, M10, %f4 ! FGM Group f7 available fadds %f7, %f8, %f7 ! FGA Group f8,f3 available fadds %f3, %f10, %f3 ! FGA Group f10 available st %f3, [%g3 + 0x00] ! LSU fadds %f5, %f0, %f5 ! FGA Group stall f0,f5 available st %f5, [%g3 + 0x04] ! LSU fadds %f7, %f4, %f7 ! FGA Group stall f4,f7 available st %f7, [%g3 + 0x08] ! LSU cmp %o4, %g1 ! continue if (i < count) bl 1b add %g3, 0x0c, %g3 ! advance out vector pointer 7: retl nop .globl _mesa_sparc_normalize_normals _mesa_sparc_normalize_normals: /* o0=mat o1=scale o2=in o3=lengths o4=dest */ sethi %hi(ONE_DOT_ZERO), %g2 sub %sp, 16, %sp st %g2, [%sp + STACK_VAR_OFF+0x0] ld [%sp + STACK_VAR_OFF+0x0], %f12 ! f12 = 1.0f add %sp, 16, %sp LDPTR [%o2 + V4F_START], %o5 ! o5 = 'from' in->start ld [%o2 + V4F_COUNT], %g1 ! g1 = in->count ld [%o2 + V4F_STRIDE], %g2 ! g2 = in->stride LDPTR [%o4 + V4F_START], %g3 ! g3 = 'out' dest->start /* dest->count = in->count */ st %g1, [%o4 + V4F_COUNT] cmp %g1, 1 bl 7f cmp %o3, 0 bne 4f clr %o4 ! 'i' for STRIDE_LOOP 1: /* LENGTHS == NULL */ ld [%o5 + 0x00], %f3 ! ux = from[0] ld [%o5 + 0x04], %f5 ! uy = from[1] ld [%o5 + 0x08], %f7 ! uz = from[2] add %o5, %g2, %o5 ! STRIDE_F(from, stride) add %o4, 1, %o4 ! i++ /* f3=tx, f5=ty, f7=tz */ /* len (f6) = (tx * tx) + (ty * ty) + (tz * tz) */ fmuls %f3, %f3, %f6 ! FGM Group f3 available fmuls %f5, %f5, %f8 ! FGM Group f5 available fmuls %f7, %f7, %f10 ! FGM Group f7 available fadds %f6, %f8, %f6 ! FGA Group 2cyc stall f6,f8 available fadds %f6, %f10, %f6 ! FGA Group 4cyc stall f6,f10 available /* scale (f6) = 1.0 / sqrt(len) */ fsqrts %f6, %f6 ! FDIV 20 cycles fdivs %f12, %f6, %f6 ! FDIV 14 cycles fmuls %f3, %f6, %f3 st %f3, [%g3 + 0x00] ! out[i][0] = tx * scale fmuls %f5, %f6, %f5 st %f5, [%g3 + 0x04] ! out[i][1] = ty * scale fmuls %f7, %f6, %f7 st %f7, [%g3 + 0x08] ! out[i][2] = tz * scale cmp %o4, %g1 ! continue if (i < count) bl 1b add %g3, 0x0c, %g3 ! advance out vector pointer ba 7f nop 4: /* LENGTHS != NULL */ 5: ld [%o5 + 0x00], %f3 ! ux = from[0] ld [%o5 + 0x04], %f5 ! uy = from[1] ld [%o5 + 0x08], %f7 ! uz = from[2] add %o5, %g2, %o5 ! STRIDE_F(from, stride) add %o4, 1, %o4 ! i++ ld [%o3], %f13 ! LSU add %o3, 4, %o3 ! IEU0 /* f3=tx, f5=ty, f7=tz, f13=lengths[i] */ fmuls %f3, %f13, %f3 st %f3, [%g3 + 0x00] ! out[i][0] = tx * len fmuls %f5, %f13, %f5 st %f5, [%g3 + 0x04] ! out[i][1] = ty * len fmuls %f7, %f13, %f7 st %f7, [%g3 + 0x08] ! out[i][2] = tz * len cmp %o4, %g1 ! continue if (i < count) bl 5b add %g3, 0x0c, %g3 ! advance out vector pointer 7: retl nop .globl _mesa_sparc_rescale_normals _mesa_sparc_rescale_normals: /* o0=mat o1=scale o2=in o3=lengths o4=dest */ sethi %hi(ONE_DOT_ZERO), %g2 sub %sp, 16, %sp st %o1, [%sp + STACK_VAR_OFF+0x0] ld [%sp + STACK_VAR_OFF+0x0], %f15 ! f15 = scale add %sp, 16, %sp LDPTR [%o2 + V4F_START], %o5 ! o5 = 'from' in->start ld [%o2 + V4F_COUNT], %g1 ! g1 = in->count ld [%o2 + V4F_STRIDE], %g2 ! g2 = in->stride LDPTR [%o4 + V4F_START], %g3 ! g3 = 'out' dest->start /* dest->count = in->count */ st %g1, [%o4 + V4F_COUNT] cmp %g1, 1 bl 7f clr %o4 ! 'i' for STRIDE_LOOP 1: ld [%o5 + 0x00], %f3 ! ux = from[0] ld [%o5 + 0x04], %f5 ! uy = from[1] ld [%o5 + 0x08], %f7 ! uz = from[2] add %o5, %g2, %o5 ! STRIDE_F(from, stride) add %o4, 1, %o4 ! i++ /* f3=tx, f5=ty, f7=tz */ fmuls %f3, %f15, %f3 st %f3, [%g3 + 0x00] ! out[i][0] = tx * scale fmuls %f5, %f15, %f5 st %f5, [%g3 + 0x04] ! out[i][1] = ty * scale fmuls %f7, %f15, %f7 st %f7, [%g3 + 0x08] ! out[i][2] = tz * scale cmp %o4, %g1 ! continue if (i < count) bl 1b add %g3, 0x0c, %g3 ! advance out vector pointer 7: retl nop