%default {} /* * Specialized 32-bit binary operation * * Performs "r1 = r0 rem r1". The selection between sdiv block or the gcc helper * depends on the compile time value of __ARM_ARCH_EXT_IDIV__ (defined for * ARMv7 CPUs that have hardware division support). * * NOTE: idivmod returns quotient in r0 and remainder in r1 * * rem-int/lit8 * */ FETCH_S r3, 1 @ r3<- ssssCCBB (sign-extended for CC) mov r9, rINST, lsr #8 @ r9<- AA and r2, r3, #255 @ r2<- BB GET_VREG r0, r2 @ r0<- vBB movs r1, r3, asr #8 @ r1<- ssssssCC (sign extended) @cmp r1, #0 @ is second operand zero? beq common_errDivideByZero FETCH_ADVANCE_INST 2 @ advance rPC, load rINST #ifdef __ARM_ARCH_EXT_IDIV__ sdiv r2, r0, r1 mls r1, r1, r2, r0 @ r1<- op #else bl __aeabi_idivmod @ r1<- op, r0-r3 changed #endif GET_INST_OPCODE ip @ extract opcode from rINST SET_VREG r1, r9 @ vAA<- r1 GOTO_OPCODE ip @ jump to next instruction /* 10-12 instructions */