1%default {}
2    /*
3     * Specialized 32-bit binary operation
4     *
5     * Performs "r1 = r0 rem r1". The selection between sdiv block or the gcc helper
6     * depends on the compile time value of __ARM_ARCH_EXT_IDIV__ (defined for
7     * ARMv7 CPUs that have hardware division support).
8     *
9     * NOTE: idivmod returns quotient in r0 and remainder in r1
10     *
11     * rem-int/2addr
12     *
13     */
14    mov     r3, rINST, lsr #12          @ r3<- B
15    ubfx    r9, rINST, #8, #4           @ r9<- A
16    GET_VREG r1, r3                     @ r1<- vB
17    GET_VREG r0, r9                     @ r0<- vA
18    cmp     r1, #0                      @ is second operand zero?
19    beq     common_errDivideByZero
20    FETCH_ADVANCE_INST 1                @ advance rPC, load rINST
21
22#ifdef __ARM_ARCH_EXT_IDIV__
23    sdiv    r2, r0, r1
24    mls     r1, r1, r2, r0              @ r1<- op
25#else
26    bl      __aeabi_idivmod             @ r1<- op, r0-r3 changed
27#endif
28    GET_INST_OPCODE ip                  @ extract opcode from rINST
29    SET_VREG r1, r9                     @ vAA<- r1
30    GOTO_OPCODE ip                      @ jump to next instruction
31    /* 10-13 instructions */
32
33