1 %default {"result":"%eax"} 2 /* 3 * Generic 32-bit "/2addr" binary operation. Provide an "instr" line 4 * that specifies an instruction that performs "result = r0 op r1". 5 * This could be an instruction or a function call. 6 * 7 * For: add-int/2addr, sub-int/2addr, mul-int/2addr, div-int/2addr, 8 * rem-int/2addr, and-int/2addr, or-int/2addr, xor-int/2addr, 9 * shl-int/2addr, shr-int/2addr, ushr-int/2addr, add-float/2addr, 10 * sub-float/2addr, mul-float/2addr, div-float/2addr, rem-float/2addr 11 */ 12 /* binop/2addr vA, vB */ 13 movzx rINSTbl,%ecx # ecx<- A+ 14 sarl $$4,rINST # rINST<- B 15 GET_VREG_R %eax rINST # eax<- vB 16 andb $$0xf,%cl # ecx<- A 17 $instr # for ex: addl %eax,(rFP,%ecx,4) 18 FETCH_INST_OPCODE 1 %ecx 19 ADVANCE_PC 1 20 GOTO_NEXT_R %ecx 21
