%default {} /* * Specialized 32-bit binary operation * * Performs "r0 = r0 div r1". The selection between sdiv or the gcc helper * depends on the compile time value of __ARM_ARCH_EXT_IDIV__ (defined for * ARMv7 CPUs that have hardware division support). * * div-int * */ 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 GET_VREG r1, r3 @ r1<- vCC GET_VREG r0, r2 @ r0<- vBB cmp r1, #0 @ is second operand zero? beq common_errDivideByZero FETCH_ADVANCE_INST 2 @ advance rPC, load rINST #ifdef __ARM_ARCH_EXT_IDIV__ sdiv r0, r0, r1 @ r0<- op #else bl __aeabi_idiv @ r0<- op, r0-r3 changed #endif GET_INST_OPCODE ip @ extract opcode from rINST SET_VREG r0, r9 @ vAA<- r0 GOTO_OPCODE ip @ jump to next instruction /* 11-14 instructions */