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#include<stdio.h> #include<assert.h> int main() { int rd, rs, rt; int result; rs = 0x12345678; rt = 0x87654321; result = 0x456789AB; __asm ("subqh.w %0, %1, %2\n\t" : "=r"(rd) : "r"(rs), "r"(rt) ); assert(rd == result); return 0; }