| /* | |
| * Generic 32-bit floating-point operation. Provide an "instr" line that | |
| * specifies an instruction that performs "s2 = s0 op s1". Because we | |
| * use the "softfp" ABI, this must be an instruction, not a function call. | |
| * | |
| * For: add-float, sub-float, mul-float, div-float | |
| */ | |
| /* floatop vAA, vBB, vCC */ | |
| FETCH r0, 1 @ r0<- CCBB | |
| mov r9, rINST, lsr #8 @ r9<- AA | |
| mov r3, r0, lsr #8 @ r3<- CC | |
| and r2, r0, #255 @ r2<- BB | |
| VREG_INDEX_TO_ADDR r3, r3 @ r3<- &vCC | |
| VREG_INDEX_TO_ADDR r2, r2 @ r2<- &vBB | |
| flds s1, [r3] @ s1<- vCC | |
| flds s0, [r2] @ s0<- vBB | |
| FETCH_ADVANCE_INST 2 @ advance rPC, load rINST | |
| $instr @ s2<- op | |
| GET_INST_OPCODE ip @ extract opcode from rINST | |
| VREG_INDEX_TO_ADDR r9, r9 @ r9<- &vAA | |
| fsts s2, [r9] @ vAA<- s2 | |
| GOTO_OPCODE ip @ jump to next instruction |