#include<stdio.h> | |
#include<assert.h> | |
int main() | |
{ | |
int rs, rt; | |
int ach = 5, acl = 5; | |
int resulth, resultl; | |
rs = 0x00FF00FF; | |
rt = 0x00010002; | |
resulth = 0x05; | |
resultl = 0x0302; | |
__asm | |
("mthi %0, $ac1\n\t" | |
"mtlo %1, $ac1\n\t" | |
"dpax.w.ph $ac1, %2, %3\n\t" | |
"mfhi %0, $ac1\n\t" | |
"mflo %1, $ac1\n\t" | |
: "+r"(ach), "+r"(acl) | |
: "r"(rs), "r"(rt) | |
); | |
assert(ach == resulth); | |
assert(acl == resultl); | |
ach = 6, acl = 7; | |
rs = 0xFFFF00FF; | |
rt = 0xFFFF0002; | |
resulth = 0x05; | |
resultl = 0xFFFFFF06; | |
__asm | |
("mthi %0, $ac1\n\t" | |
"mtlo %1, $ac1\n\t" | |
"dpax.w.ph $ac1, %2, %3\n\t" | |
"mfhi %0, $ac1\n\t" | |
"mflo %1, $ac1\n\t" | |
: "+r"(ach), "+r"(acl) | |
: "r"(rs), "r"(rt) | |
); | |
assert(ach == resulth); | |
assert(acl == resultl); | |
return 0; | |
} |