21 lines
818 B
ArmAsm
21 lines
818 B
ArmAsm
/*
|
|
* Generic two-operand compare-and-branch operation. Provide a "revcmp"
|
|
* fragment that specifies the *reverse* comparison to perform, e.g.
|
|
* for "if-le" you would use "gt".
|
|
*
|
|
* For: if-eq, if-ne, if-lt, if-ge, if-gt, if-le
|
|
*/
|
|
/* if-cmp vA, vB, +CCCC */
|
|
movzx rINSTbl, %ecx # ecx <- A+
|
|
andb $$0xf, %cl # ecx <- A
|
|
GET_VREG %eax, %ecx # eax <- vA
|
|
sarl $$4, rINST # rINST <- B
|
|
cmpl VREG_ADDRESS(rINST), %eax # compare (vA, vB)
|
|
j${revcmp} 1f
|
|
movswl 2(rPC), rINST # Get signed branch offset
|
|
testl rINST, rINST
|
|
jmp MterpCommonTakenBranch
|
|
1:
|
|
cmpw $$JIT_CHECK_OSR, rPROFILE
|
|
je .L_check_not_taken_osr
|
|
ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
|