22 lines
668 B
ArmAsm
22 lines
668 B
ArmAsm
%default {"preinstr":"", "instr":"", "wide":"0"}
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/*
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* Generic 32/64-bit unary operation. Provide an "instr" line that
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* specifies an instruction that performs "result = op eax".
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*/
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/* unop vA, vB */
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movl rINST, %ecx # rcx <- A+
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sarl $$4,rINST # rINST <- B
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.if ${wide}
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GET_WIDE_VREG %rax, rINSTq # rax <- vB
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.else
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GET_VREG %eax, rINSTq # eax <- vB
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.endif
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andb $$0xf,%cl # ecx <- A
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$preinstr
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$instr
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.if ${wide}
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SET_WIDE_VREG %rax, %rcx
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.else
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SET_VREG %eax, %rcx
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.endif
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ADVANCE_PC_FETCH_AND_GOTO_NEXT 1
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