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Updated dot product sample application.

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cdkersey
2013-10-07 18:00:05 -04:00
parent 021f08e180
commit 4cea354db8
3 changed files with 55 additions and 13 deletions
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18
src/test/dotprod.s
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@@ -14,34 +14,36 @@
.global
entry: ldi %r0, array_a;
ldi %r1, array_b;
ldi %r2, #1;
ldi %r2, #10;
jali %r5, dotprod
ori %r7, %r0, #0;
jali %r5, printhex;
jali %r5, printfloat;
trap;
/* Return in r0 dot product of vectors of real values pointed to by r0 and r1,
length in r2 */
dotprod: ldi %r3, #0;
st %r5, %r3, retaddr;
dploop: ld %r4, %r0, #0;
ld %r6, %r1, #0;
subi %r2, %r2, #1;
addi %r0, %r0, __WORD;
addi %r1, %r1, __WORD;
rtop @p0, %r2;
fadd %r4, %r4, %r6;
fmul %r4, %r4, %r6;
fadd %r3, %r3, %r4;
@p0 ? jmpi dploop;
ori %r0, %r3, #0;
ldi %r3, retaddr;
ld %r5, %r3, #0;
jmpr %r5;
.align 4096
.perm rw
array_a: .word 1.0 2.0 3.0 0.5 1.0 1.5 0.33 0.67 1.0 1.33
array_b: .word 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
.global
array: .space 0x1000 /* SIZE words of space. */
array_b: .word 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1f
retaddr: .word 0