19 lines
888 B
ArmAsm
19 lines
888 B
ArmAsm
/*
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* Generic two-operand compare-and-branch operation. Provide a "condition"
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* fragment that specifies the comparison to perform.
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*
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* For: if-eq, if-ne, if-lt, if-ge, if-gt, if-le
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*/
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/* if-cmp vA, vB, +CCCC */
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mov r1, rINST, lsr #12 @ r1<- B
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ubfx r0, rINST, #8, #4 @ r0<- A
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GET_VREG r3, r1 @ r3<- vB
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GET_VREG r0, r0 @ r0<- vA
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FETCH_S rINST, 1 @ rINST<- branch offset, in code units
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cmp r0, r3 @ compare (vA, vB)
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b${condition} MterpCommonTakenBranchNoFlags
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cmp rPROFILE, #JIT_CHECK_OSR @ possible OSR re-entry?
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beq .L_check_not_taken_osr
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FETCH_ADVANCE_INST 2
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GET_INST_OPCODE ip @ extract opcode from rINST
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GOTO_OPCODE ip @ jump to next instruction
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