17 lines
793 B
ArmAsm
17 lines
793 B
ArmAsm
/*
|
|
* Generic one-operand compare-and-branch operation. Provide a "condition"
|
|
* fragment that specifies the comparison to perform.
|
|
*
|
|
* for: if-eqz, if-nez, if-ltz, if-gez, if-gtz, if-lez
|
|
*/
|
|
/* if-cmp vAA, +BBBB */
|
|
mov r0, rINST, lsr #8 @ r0<- AA
|
|
GET_VREG r0, r0 @ r0<- vAA
|
|
FETCH_S rINST, 1 @ rINST<- branch offset, in code units
|
|
cmp r0, #0 @ compare (vA, 0)
|
|
b${condition} MterpCommonTakenBranchNoFlags
|
|
cmp rPROFILE, #JIT_CHECK_OSR @ possible OSR re-entry?
|
|
beq .L_check_not_taken_osr
|
|
FETCH_ADVANCE_INST 2
|
|
GET_INST_OPCODE ip @ extract opcode from rINST
|
|
GOTO_OPCODE ip @ jump to next instruction
|