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wp_grow.alpha
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/* wp_grow.alpha: Dec assembler version of wp_grow.c */
/* coded for the alpha 21064 */
#include "asdef.alpha.h"
#define XUP 0
#define YUP 1
#define ZUP 2
#define TUP 3
#define TDOWN 4
#define ZDOWN 5
#define YDOWN 6
#define XDOWN 7
#define PLUS +1
#define MINUS -1
.globl wp_grow
.ent wp_grow 2
/* register names */
#define src a0 /* address of source wilson_vector */
#define dest a1 /* address of dest. half_wilson_vector */
#define dir a2 /* direction */
#define sign a3 /* sign: PLUS = +1, MINUS = -1 */
#define color t1 /* loop over colors */
#define scratch t2 /*scratch integer*/
wp_grow:
bis zero,zero,color /* initialize color counter */
/* if (sign==-1) dir <- OPPDIR(dir) = 7-dir */
bge sign,SKIP1
bis zero,7,scratch
subq scratch,dir,dir
SKIP1:
/* switch(dir) */
cmpeq dir,XUP,scratch
bne scratch,XUP_S
cmpeq dir,YUP,scratch
bne scratch,YUP_S
cmpeq dir,ZUP,scratch
bne scratch,ZUP_S
cmpeq dir,TUP,scratch
bne scratch,TUP_S
cmpeq dir,TDOWN,scratch
bne scratch,TDOWN_S
cmpeq dir,ZDOWN,scratch
bne scratch,ZDOWN_S
cmpeq dir,YDOWN,scratch
bne scratch,YDOWN_S
cmpeq dir,XDOWN,scratch
bne scratch,XDOWN_S
XUP_S:
XUP_L:
lds ft0,0(src) /* src->h[0].c[i].real */
lds ft1,4(src) /* src->h[0].c[i].imag */
lds ft2,24(src) /* src->h[1].c[i].real */
lds ft3,28(src) /* src->h[1].c[i].imag */
sts ft0,0(dest)
sts ft1,4(dest)
sts ft2,24(dest)
sts ft3,28(dest)
sts ft3,48(dest) /* d[1] * -i */
cpysn ft2,ft2,ft5
sts ft5,52(dest)
sts ft1,72(dest) /* d[0] * -i */
cpysn ft0,ft0,ft6
sts ft6,76(dest)
addq color,1,color
addq src,8,src /* next color */
addq dest,8,dest
cmplt color,3,scratch
bne scratch,XUP_L
ret zero,(ra)
YUP_S:
YUP_L:
lds ft0,0(src) /* src->h[0].c[i].real */
lds ft1,4(src) /* src->h[0].c[i].imag */
lds ft2,24(src) /* src->h[1].c[i].real */
lds ft3,28(src) /* src->h[1].c[i].imag */
sts ft0,0(dest)
sts ft1,4(dest)
sts ft2,24(dest)
sts ft3,28(dest)
sts ft2,48(dest) /* d[1] * +1 */
sts ft3,52(dest)
cpysn ft0,ft0,ft5
sts ft5,72(dest) /* d[0] * -1 */
cpysn ft1,ft1,ft6
sts ft6,76(dest)
addq color,1,color
addq src,8,src /* next color */
addq dest,8,dest
cmplt color,3,scratch
bne scratch,YUP_L
ret zero,(ra)
ZUP_S:
ZUP_L:
lds ft0,0(src) /* src->h[0].c[i].real */
lds ft1,4(src) /* src->h[0].c[i].imag */
lds ft2,24(src) /* src->h[1].c[i].real */
lds ft3,28(src) /* src->h[1].c[i].imag */
sts ft0,0(dest)
sts ft1,4(dest)
sts ft2,24(dest)
sts ft3,28(dest)
sts ft1,48(dest) /* d[0] * -i */
cpysn ft0,ft0,ft5
sts ft5,52(dest)
cpysn ft3,ft3,ft6
sts ft6,72(dest) /* d[1] * +i */
sts ft2,76(dest)
addq color,1,color
addq src,8,src /* next color */
addq dest,8,dest
cmplt color,3,scratch
bne scratch,ZUP_L
ret zero,(ra)
TUP_S:
TUP_L:
lds ft0,0(src) /* src->h[0].c[i].real */
lds ft1,4(src) /* src->h[0].c[i].imag */
lds ft2,24(src) /* src->h[1].c[i].real */
lds ft3,28(src) /* src->h[1].c[i].imag */
sts ft0,0(dest)
sts ft1,4(dest)
sts ft2,24(dest)
sts ft3,28(dest)
sts ft0,48(dest) /* d[0] * +1 */
sts ft1,52(dest)
sts ft2,72(dest) /* d[1] * +1 */
sts ft3,76(dest)
addq color,1,color
addq src,8,src /* next color */
addq dest,8,dest
cmplt color,3,scratch
bne scratch,TUP_L
ret zero,(ra)
XDOWN_S:
XDOWN_L:
lds ft0,0(src) /* src->h[0].c[i].real */
lds ft1,4(src) /* src->h[0].c[i].imag */
lds ft2,24(src) /* src->h[1].c[i].real */
lds ft3,28(src) /* src->h[1].c[i].imag */
sts ft0,0(dest)
sts ft1,4(dest)
sts ft2,24(dest)
sts ft3,28(dest)
cpysn ft3,ft3,ft5
sts ft5,48(dest) /* d[1] * +i */
sts ft2,52(dest)
cpysn ft1,ft1,ft6
sts ft6,72(dest) /* d[0] * +i */
sts ft0,76(dest)
addq color,1,color
addq src,8,src /* next color */
addq dest,8,dest
cmplt color,3,scratch
bne scratch,XDOWN_L
ret zero,(ra)
YDOWN_S:
YDOWN_L:
lds ft0,0(src) /* src->h[0].c[i].real */
lds ft1,4(src) /* src->h[0].c[i].imag */
lds ft2,24(src) /* src->h[1].c[i].real */
lds ft3,28(src) /* src->h[1].c[i].imag */
sts ft0,0(dest)
sts ft1,4(dest)
sts ft2,24(dest)
sts ft3,28(dest)
cpysn ft2,ft2,ft5
sts ft5,48(dest) /* d[1] * -1 */
cpysn ft3,ft3,ft6
sts ft6,52(dest)
sts ft0,72(dest) /* d[0] * +1 */
sts ft1,76(dest)
addq color,1,color
addq src,8,src /* next color */
addq dest,8,dest
cmplt color,3,scratch
bne scratch,YDOWN_L
ret zero,(ra)
ZDOWN_S:
ZDOWN_L:
lds ft0,0(src) /* src->h[0].c[i].real */
lds ft1,4(src) /* src->h[0].c[i].imag */
lds ft2,24(src) /* src->h[1].c[i].real */
lds ft3,28(src) /* src->h[1].c[i].imag */
sts ft0,0(dest)
sts ft1,4(dest)
sts ft2,24(dest)
sts ft3,28(dest)
cpysn ft1,ft1,ft5
sts ft5,48(dest) /* d[0] * +i */
sts ft0,52(dest)
sts ft3,72(dest) /* d[1] * -i */
cpysn ft2,ft2,ft6
sts ft6,76(dest)
addq color,1,color
addq src,8,src /* next color */
addq dest,8,dest
cmplt color,3,scratch
bne scratch,ZDOWN_L
ret zero,(ra)
TDOWN_S:
TDOWN_L:
lds ft0,0(src) /* src->h[0].c[i].real */
lds ft1,4(src) /* src->h[0].c[i].imag */
lds ft2,24(src) /* src->h[1].c[i].real */
lds ft3,28(src) /* src->h[1].c[i].imag */
sts ft0,0(dest)
sts ft1,4(dest)
sts ft2,24(dest)
sts ft3,28(dest)
cpysn ft0,ft0,ft5
sts ft5,48(dest) /* d[0] * -1 */
cpysn ft1,ft1,ft6
sts ft6,52(dest)
cpysn ft2,ft2,ft7
sts ft7,72(dest) /* d[1] * -1 */
cpysn ft3,ft3,ft8
sts ft8,76(dest)
addq color,1,color
addq src,8,src /* next color */
addq dest,8,dest
cmplt color,3,scratch
bne scratch,TDOWN_L
ret zero,(ra)
.end wp_grow