1 /* 2 * Generic 32-bit floating point "/2addr" binary operation. Provide 3 * an "instr" line that specifies an instruction that performs 4 * "s2 = s0 op s1". 5 * 6 * For: add-float/2addr, sub-float/2addr, mul-float/2addr, div-float/2addr 7 */ 8 /* binop/2addr vA, vB */ 9 mov r3, rINST, lsr #12 @ r3<- B 10 ubfx r9, rINST, #8, #4 @ r9<- A 11 VREG_INDEX_TO_ADDR r3, r3 @ r3<- &vB 12 VREG_INDEX_TO_ADDR r9, r9 @ r9<- &vA 13 flds s1, [r3] @ s1<- vB 14 FETCH_ADVANCE_INST 1 @ advance rPC, load rINST 15 flds s0, [r9] @ s0<- vA 16 $instr @ s2<- op 17 GET_INST_OPCODE ip @ extract opcode from rINST 18 fsts s2, [r9] @ vAA<- s2 19 GOTO_OPCODE ip @ jump to next instruction 20
