20 lines
850 B
ArmAsm
20 lines
850 B
ArmAsm
%default { "compare":"1" }
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/*
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* Generic one-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-eqz, if-nez, if-ltz, if-gez, if-gtz, if-lez
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*/
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/* if-cmp vAA, +BBBB */
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lsr w0, wINST, #8 // w0<- AA
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GET_VREG w2, w0 // w2<- vAA
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FETCH_S wINST, 1 // w1<- branch offset, in code units
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.if ${compare}
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cmp w2, #0 // compare (vA, 0)
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.endif
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${branch} 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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