| /* | |
| * Generic 64-bit "/2addr" binary operation. Provide an "instr" line | |
| * that specifies an instruction that performs "result = a0-a1 op a2-a3". | |
| * This could be an MIPS instruction or a function call. | |
| * | |
| * For: add-double/2addr, sub-double/2addr, mul-double/2addr, | |
| * div-double/2addr, rem-double/2addr | |
| */ | |
| /* binop/2addr vA, vB */ | |
| GET_OPA4(rOBJ) # rOBJ <- A+ | |
| GET_OPB(a1) # a1 <- B | |
| EAS2(a1, rFP, a1) # a1 <- &fp[B] | |
| EAS2(t0, rFP, rOBJ) # t0 <- &fp[A] | |
| LOAD64_F(fa0, fa0f, t0) | |
| LOAD64_F(fa1, fa1f, a1) | |
| FETCH_ADVANCE_INST(1) # advance rPC, load rINST | |
| $instr | |
| SET_VREG64_F(fv0, fv0f, rOBJ) | |
| GET_INST_OPCODE(t0) # extract opcode from rINST | |
| GOTO_OPCODE(t0) # jump to next instruction |