1 %default {"result":"%eax"} 2 /* 3 * Generic 32-bit binary operation. Provide an "instr" line that 4 * specifies an instruction that performs "result = eax op (rFP,%ecx,4)". 5 * This could be an x86 instruction or a function call. (If the result 6 * comes back in a register other than eax, you can override "result".) 7 * 8 * For: add-int, sub-int, and-int, or-int, 9 * xor-int, shl-int, shr-int, ushr-int 10 */ 11 /* binop vAA, vBB, vCC */ 12 movzbl 2(rPC),%eax # eax<- BB 13 movzbl 3(rPC),%ecx # ecx<- CC 14 GET_VREG_R %eax %eax # eax<- vBB 15 $instr # ex: addl (rFP,%ecx,4),%eax 16 SET_VREG $result rINST 17 FETCH_INST_OPCODE 2 %ecx 18 ADVANCE_PC 2 19 GOTO_NEXT_R %ecx 20
