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24 lines
827 B
Plaintext
24 lines
827 B
Plaintext
;
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; WebAssembly registers
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;
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; layout
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; <name>,<type>,<subtype>,<value>,<stdname>
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;
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; WebAssembly does not have any registers, since it is stack-based.
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; We do define a few artificial registers to make integration
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; with the rest of the compiler easier though.
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; general/int registers
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NO,$00,$00,$00,INVALID
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; used as base register in reference when referring to the top
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; of the evaluation stack (offset = offset on the evaluation
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; stack)
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R0,$01,$00,$00,evalstacktopptr
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; for addressing locals ("stack pointer")
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R1,$01,$00,$01,localsstackptr
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; generic fake evaluation stack register for use by the register allocator
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R2,$01,$00,$02,evalstacktop
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; fake register, representing the local frame pointer. Used for accessing
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; address-taken local variables on the linear stack: (localframeptr+offset).
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R3,$01,$00,$03,localframeptr
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