60 lines
1.6 KiB
Factor
60 lines
1.6 KiB
Factor
! Copyright (C) 2005, 2006 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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IN: compiler-backend
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USING: alien arrays assembler compiler compiler-frontend kernel
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kernel-internals math namespaces 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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! R13 cards_offset
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! R14 datastack
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! R15 callstack
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: fixnum-imm? ( -- ? )
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#! Can fixnum operations take immediate operands?
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f ; inline
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: ds-reg R14 ; inline
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: cs-reg R15 ; inline
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: remainder-reg RDX ; inline
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: vregs { RAX RCX RDX RSI RDI R8 R9 R10 R11 } ; inline
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M: int-regs return-reg drop RAX ;
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M: int-regs fastcall-regs drop { RDI RSI RDX RCX R8 R9 } ;
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: compile-c-call ( symbol dll -- )
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2dup dlsym R10 swap MOV
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rel-absolute-cell rel-dlsym R10 CALL ;
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: compile-c-call* ( symbol dll args -- )
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T{ int-regs } fastcall-regs
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swap [ MOV ] 2each compile-c-call ;
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M: float-regs return-reg drop XMM0 ;
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M: float-regs fastcall-regs
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drop { XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 } ;
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: address-operand ( address -- operand )
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#! On AMD64, we have to load 64-bit addresses into a
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#! scratch register first. The usage of R11 here is a hack.
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#! We cannot write '0 scratch' since scratch registers are
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#! not permitted inside basic-block VOPs.
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R11 [ swap MOV ] keep ; inline
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: fixnum>slot@ drop ; inline
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: prepare-division CQO ; inline
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: load-indirect ( dest literal -- )
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#! We use RIP-relative addressing. The '3' is a hardcoded
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#! instruction length.
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add-literal from 3 - [] MOV ; inline
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: stack-increment \ stack-reserve get 16 align 8 + ;
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: compile-epilogue ( -- )
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RSP stack-increment ADD ; inline
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