25 lines
539 B
Factor
25 lines
539 B
Factor
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IN: compiler-backend
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USING: assembler compiler-backend kernel sequences ;
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! AMD64 register assignments
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! RAX RCX RDX RSI RDI R8 R9 R10 R11 vregs
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! R12 datastack
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! R13 callstack
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: fixnum-imm? ( -- ? )
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#! Can fixnum operations take immediate operands?
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t ; inline
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: vregs ( -- n )
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#! Number of vregs
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3 ; inline
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M: vreg v>operand vreg-n { RAX RCX RDX RSI RDI R8 R9 R10 R11 } nth ;
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! FIXME
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M: int-regs fastcall-regs drop 0 ;
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M: int-regs reg-class-size drop 4 ;
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M: float-regs fastcall-regs drop 0 ;
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: dual-fp/int-regs? f ;
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