| %default {} | |
| /*: | |
| * Generic 32-bit floating-point operation. | |
| * | |
| * For: add-float, sub-float, mul-float, div-float. | |
| * form: <op> f0, f0, f1 | |
| */ | |
| /* binop vAA, vBB, vCC */ | |
| srl a4, rINST, 8 # a4 <- AA | |
| lbu a2, 2(rPC) # a2 <- BB | |
| lbu a3, 3(rPC) # a3 <- CC | |
| GET_VREG_FLOAT f0, a2 # f0 <- vBB | |
| GET_VREG_FLOAT f1, a3 # f1 <- vCC | |
| $instr # f0 <- f0 op f1 | |
| FETCH_ADVANCE_INST 2 # advance rPC, load rINST | |
| GET_INST_OPCODE v0 # extract opcode from rINST | |
| SET_VREG_FLOAT f0, a4 # vAA <- f0 | |
| GOTO_OPCODE v0 # jump to next instruction |