19 lines
898 B
ArmAsm
19 lines
898 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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lsr w1, wINST, #12 // w1<- B
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ubfx w0, wINST, #8, #4 // w0<- A
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GET_VREG w3, w1 // w3<- vB
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GET_VREG w2, w0 // w2<- vA
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FETCH_S wINST, 1 // wINST<- branch offset, in code units
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cmp w2, w3 // compare (vA, vB)
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b.${condition} MterpCommonTakenBranchNoFlags
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cmp wPROFILE, #JIT_CHECK_OSR // possible OSR re-entry?
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b.eq .L_check_not_taken_osr
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FETCH_ADVANCE_INST 2
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GET_INST_OPCODE ip // extract opcode from wINST
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GOTO_OPCODE ip // jump to next instruction
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