! See http://factorcode.org/license.txt for BSD license.
USING: namespaces make math math.order math.parser sequences accessors
kernel kernel.private layouts assocs words summary arrays
-combinators classes.algebra alien alien.c-types alien.structs
+combinators classes.algebra alien alien.c-types
alien.strings alien.arrays alien.complex alien.libraries sets libc
-continuations.private fry cpu.architecture classes
-source-files.errors
+continuations.private fry cpu.architecture classes locals
+source-files.errors slots parser generic.parser
compiler.errors
compiler.alien
compiler.constants
compiler.cfg.builder
compiler.codegen.fixup
compiler.utilities ;
+QUALIFIED: classes.struct
+QUALIFIED: alien.structs
IN: compiler.codegen
SYMBOL: insn-counts
GENERIC: generate-insn ( insn -- )
-SYMBOL: registers
-
-: register ( vreg -- operand )
- registers get at [ "Bad value" throw ] unless* ;
-
-: ?register ( obj -- operand )
- dup vreg? [ register ] when ;
-
TUPLE: asm label code calls ;
SYMBOL: calls
instructions>>
[
[ class insn-counts get inc-at ]
- [ regs>> registers set ]
[ generate-insn ]
- tri
+ bi
] each
] bi
] with-fixup ;
: lookup-label ( id -- label )
labels get [ drop <label> ] cache ;
+! Special cases
M: ##no-tco generate-insn drop ;
-M: ##load-immediate generate-insn
- [ dst>> register ] [ val>> ] bi %load-immediate ;
-
-M: ##load-reference generate-insn
- [ dst>> register ] [ obj>> ] bi %load-reference ;
-
-M: ##peek generate-insn
- [ dst>> register ] [ loc>> ] bi %peek ;
-
-M: ##replace generate-insn
- [ src>> register ] [ loc>> ] bi %replace ;
-
-M: ##inc-d generate-insn n>> %inc-d ;
-
-M: ##inc-r generate-insn n>> %inc-r ;
-
M: ##call generate-insn
word>> dup sub-primitive>>
[ first % ] [ [ add-call ] [ %call ] bi ] ?if ;
M: ##jump generate-insn word>> [ add-call ] [ %jump ] bi ;
-M: ##return generate-insn drop %return ;
-
-M: _dispatch generate-insn
- [ src>> register ] [ temp>> register ] bi %dispatch ;
-
M: _dispatch-label generate-insn
label>> lookup-label
cell 0 <repetition> %
rc-absolute-cell label-fixup ;
-: >slot< ( insn -- dst obj slot tag )
- {
- [ dst>> register ]
- [ obj>> register ]
- [ slot>> ?register ]
- [ tag>> ]
- } cleave ; inline
-
-M: ##slot generate-insn
- [ >slot< ] [ temp>> register ] bi %slot ;
-
-M: ##slot-imm generate-insn
- >slot< %slot-imm ;
-
-: >set-slot< ( insn -- src obj slot tag )
- {
- [ src>> register ]
- [ obj>> register ]
- [ slot>> ?register ]
- [ tag>> ]
- } cleave ; inline
+M: _prologue generate-insn
+ stack-frame>> [ stack-frame set ] [ total-size>> %prologue ] bi ;
-M: ##set-slot generate-insn
- [ >set-slot< ] [ temp>> register ] bi %set-slot ;
+M: _epilogue generate-insn
+ stack-frame>> total-size>> %epilogue ;
-M: ##set-slot-imm generate-insn
- >set-slot< %set-slot-imm ;
+M: _spill-area-size generate-insn drop ;
-M: ##string-nth generate-insn
- {
- [ dst>> register ]
- [ obj>> register ]
- [ index>> register ]
- [ temp>> register ]
- } cleave %string-nth ;
+! Some meta-programming to generate simple code generators, where
+! the instruction is unpacked and then a %word is called
+<<
-M: ##set-string-nth-fast generate-insn
- {
- [ src>> register ]
- [ obj>> register ]
- [ index>> register ]
- [ temp>> register ]
- } cleave %set-string-nth-fast ;
-
-: dst/src ( insn -- dst src )
- [ dst>> register ] [ src>> register ] bi ; inline
-
-: dst/src1/src2 ( insn -- dst src1 src2 )
- [ dst>> register ]
- [ src1>> register ]
- [ src2>> ?register ] tri ; inline
-
-M: ##add generate-insn dst/src1/src2 %add ;
-M: ##add-imm generate-insn dst/src1/src2 %add-imm ;
-M: ##sub generate-insn dst/src1/src2 %sub ;
-M: ##sub-imm generate-insn dst/src1/src2 %sub-imm ;
-M: ##mul generate-insn dst/src1/src2 %mul ;
-M: ##mul-imm generate-insn dst/src1/src2 %mul-imm ;
-M: ##and generate-insn dst/src1/src2 %and ;
-M: ##and-imm generate-insn dst/src1/src2 %and-imm ;
-M: ##or generate-insn dst/src1/src2 %or ;
-M: ##or-imm generate-insn dst/src1/src2 %or-imm ;
-M: ##xor generate-insn dst/src1/src2 %xor ;
-M: ##xor-imm generate-insn dst/src1/src2 %xor-imm ;
-M: ##shl generate-insn dst/src1/src2 %shl ;
-M: ##shl-imm generate-insn dst/src1/src2 %shl-imm ;
-M: ##shr generate-insn dst/src1/src2 %shr ;
-M: ##shr-imm generate-insn dst/src1/src2 %shr-imm ;
-M: ##sar generate-insn dst/src1/src2 %sar ;
-M: ##sar-imm generate-insn dst/src1/src2 %sar-imm ;
-M: ##not generate-insn dst/src %not ;
-M: ##log2 generate-insn dst/src %log2 ;
-
-: label/dst/src1/src2 ( insn -- label dst src1 src2 )
- [ label>> lookup-label ] [ dst/src1/src2 ] bi ; inline
-
-M: _fixnum-add generate-insn label/dst/src1/src2 %fixnum-add ;
-M: _fixnum-sub generate-insn label/dst/src1/src2 %fixnum-sub ;
-M: _fixnum-mul generate-insn label/dst/src1/src2 %fixnum-mul ;
-
-: dst/src/temp ( insn -- dst src temp )
- [ dst/src ] [ temp>> register ] bi ; inline
-
-M: ##integer>bignum generate-insn dst/src/temp %integer>bignum ;
-M: ##bignum>integer generate-insn dst/src/temp %bignum>integer ;
-
-M: ##add-float generate-insn dst/src1/src2 %add-float ;
-M: ##sub-float generate-insn dst/src1/src2 %sub-float ;
-M: ##mul-float generate-insn dst/src1/src2 %mul-float ;
-M: ##div-float generate-insn dst/src1/src2 %div-float ;
-
-M: ##integer>float generate-insn dst/src %integer>float ;
-M: ##float>integer generate-insn dst/src %float>integer ;
-
-M: ##copy generate-insn dst/src %copy ;
-M: ##copy-float generate-insn dst/src %copy-float ;
-M: ##unbox-float generate-insn dst/src %unbox-float ;
-M: ##unbox-any-c-ptr generate-insn dst/src/temp %unbox-any-c-ptr ;
-M: ##box-float generate-insn dst/src/temp %box-float ;
-M: ##box-alien generate-insn dst/src/temp %box-alien ;
-
-M: ##alien-unsigned-1 generate-insn dst/src %alien-unsigned-1 ;
-M: ##alien-unsigned-2 generate-insn dst/src %alien-unsigned-2 ;
-M: ##alien-unsigned-4 generate-insn dst/src %alien-unsigned-4 ;
-M: ##alien-signed-1 generate-insn dst/src %alien-signed-1 ;
-M: ##alien-signed-2 generate-insn dst/src %alien-signed-2 ;
-M: ##alien-signed-4 generate-insn dst/src %alien-signed-4 ;
-M: ##alien-cell generate-insn dst/src %alien-cell ;
-M: ##alien-float generate-insn dst/src %alien-float ;
-M: ##alien-double generate-insn dst/src %alien-double ;
-
-: >alien-setter< ( insn -- src value )
- [ src>> register ] [ value>> register ] bi ; inline
-
-M: ##set-alien-integer-1 generate-insn >alien-setter< %set-alien-integer-1 ;
-M: ##set-alien-integer-2 generate-insn >alien-setter< %set-alien-integer-2 ;
-M: ##set-alien-integer-4 generate-insn >alien-setter< %set-alien-integer-4 ;
-M: ##set-alien-cell generate-insn >alien-setter< %set-alien-cell ;
-M: ##set-alien-float generate-insn >alien-setter< %set-alien-float ;
-M: ##set-alien-double generate-insn >alien-setter< %set-alien-double ;
-
-M: ##allot generate-insn
- {
- [ dst>> register ]
- [ size>> ]
- [ class>> ]
- [ temp>> register ]
- } cleave
- %allot ;
+: insn-slot-quot ( spec -- quot )
+ name>> [ reader-word ] [ "label" = ] bi
+ [ \ lookup-label [ ] 2sequence ] [ [ ] 1sequence ] if ;
-M: ##write-barrier generate-insn
- [ src>> register ]
- [ card#>> register ]
- [ table>> register ]
- tri %write-barrier ;
+: codegen-method-body ( class word -- quot )
+ [
+ "insn-slots" word-prop
+ [ insn-slot-quot ] map cleave>quot
+ ] dip suffix ;
+
+SYNTAX: CODEGEN:
+ scan-word [ \ generate-insn create-method-in ] keep scan-word
+ codegen-method-body define ;
+>>
+
+CODEGEN: ##load-immediate %load-immediate
+CODEGEN: ##load-reference %load-reference
+CODEGEN: ##peek %peek
+CODEGEN: ##replace %replace
+CODEGEN: ##inc-d %inc-d
+CODEGEN: ##inc-r %inc-r
+CODEGEN: ##return %return
+CODEGEN: ##slot %slot
+CODEGEN: ##slot-imm %slot-imm
+CODEGEN: ##set-slot %set-slot
+CODEGEN: ##set-slot-imm %set-slot-imm
+CODEGEN: ##string-nth %string-nth
+CODEGEN: ##set-string-nth-fast %set-string-nth-fast
+CODEGEN: ##add %add
+CODEGEN: ##add-imm %add-imm
+CODEGEN: ##sub %sub
+CODEGEN: ##sub-imm %sub-imm
+CODEGEN: ##mul %mul
+CODEGEN: ##mul-imm %mul-imm
+CODEGEN: ##and %and
+CODEGEN: ##and-imm %and-imm
+CODEGEN: ##or %or
+CODEGEN: ##or-imm %or-imm
+CODEGEN: ##xor %xor
+CODEGEN: ##xor-imm %xor-imm
+CODEGEN: ##shl %shl
+CODEGEN: ##shl-imm %shl-imm
+CODEGEN: ##shr %shr
+CODEGEN: ##shr-imm %shr-imm
+CODEGEN: ##sar %sar
+CODEGEN: ##sar-imm %sar-imm
+CODEGEN: ##min %min
+CODEGEN: ##max %max
+CODEGEN: ##not %not
+CODEGEN: ##log2 %log2
+CODEGEN: ##copy %copy
+CODEGEN: ##integer>bignum %integer>bignum
+CODEGEN: ##bignum>integer %bignum>integer
+CODEGEN: ##unbox-float %unbox-float
+CODEGEN: ##box-float %box-float
+CODEGEN: ##add-float %add-float
+CODEGEN: ##sub-float %sub-float
+CODEGEN: ##mul-float %mul-float
+CODEGEN: ##div-float %div-float
+CODEGEN: ##min-float %min-float
+CODEGEN: ##max-float %max-float
+CODEGEN: ##sqrt %sqrt
+CODEGEN: ##unary-float-function %unary-float-function
+CODEGEN: ##binary-float-function %binary-float-function
+CODEGEN: ##single>double-float %single>double-float
+CODEGEN: ##double>single-float %double>single-float
+CODEGEN: ##integer>float %integer>float
+CODEGEN: ##float>integer %float>integer
+CODEGEN: ##unbox-vector %unbox-vector
+CODEGEN: ##broadcast-vector %broadcast-vector
+CODEGEN: ##gather-vector-2 %gather-vector-2
+CODEGEN: ##gather-vector-4 %gather-vector-4
+CODEGEN: ##box-vector %box-vector
+CODEGEN: ##add-vector %add-vector
+CODEGEN: ##sub-vector %sub-vector
+CODEGEN: ##mul-vector %mul-vector
+CODEGEN: ##div-vector %div-vector
+CODEGEN: ##min-vector %min-vector
+CODEGEN: ##max-vector %max-vector
+CODEGEN: ##sqrt-vector %sqrt-vector
+CODEGEN: ##horizontal-add-vector %horizontal-add-vector
+CODEGEN: ##box-alien %box-alien
+CODEGEN: ##box-displaced-alien %box-displaced-alien
+CODEGEN: ##unbox-alien %unbox-alien
+CODEGEN: ##unbox-any-c-ptr %unbox-any-c-ptr
+CODEGEN: ##alien-unsigned-1 %alien-unsigned-1
+CODEGEN: ##alien-unsigned-2 %alien-unsigned-2
+CODEGEN: ##alien-unsigned-4 %alien-unsigned-4
+CODEGEN: ##alien-signed-1 %alien-signed-1
+CODEGEN: ##alien-signed-2 %alien-signed-2
+CODEGEN: ##alien-signed-4 %alien-signed-4
+CODEGEN: ##alien-cell %alien-cell
+CODEGEN: ##alien-float %alien-float
+CODEGEN: ##alien-double %alien-double
+CODEGEN: ##alien-vector %alien-vector
+CODEGEN: ##set-alien-integer-1 %set-alien-integer-1
+CODEGEN: ##set-alien-integer-2 %set-alien-integer-2
+CODEGEN: ##set-alien-integer-4 %set-alien-integer-4
+CODEGEN: ##set-alien-cell %set-alien-cell
+CODEGEN: ##set-alien-float %set-alien-float
+CODEGEN: ##set-alien-double %set-alien-double
+CODEGEN: ##set-alien-vector %set-alien-vector
+CODEGEN: ##allot %allot
+CODEGEN: ##write-barrier %write-barrier
+CODEGEN: ##compare %compare
+CODEGEN: ##compare-imm %compare-imm
+CODEGEN: ##compare-float-ordered %compare-float-ordered
+CODEGEN: ##compare-float-unordered %compare-float-unordered
+CODEGEN: ##save-context %save-context
+
+CODEGEN: _fixnum-add %fixnum-add
+CODEGEN: _fixnum-sub %fixnum-sub
+CODEGEN: _fixnum-mul %fixnum-mul
+CODEGEN: _label resolve-label
+CODEGEN: _branch %jump-label
+CODEGEN: _compare-branch %compare-branch
+CODEGEN: _compare-imm-branch %compare-imm-branch
+CODEGEN: _compare-float-ordered-branch %compare-float-ordered-branch
+CODEGEN: _compare-float-unordered-branch %compare-float-unordered-branch
+CODEGEN: _dispatch %dispatch
+CODEGEN: _spill %spill
+CODEGEN: _reload %reload
+
+! ##gc
+: wipe-locs ( locs temp -- )
+ '[
+ _
+ [ 0 %load-immediate ]
+ [ swap [ %replace ] with each ] bi
+ ] unless-empty ;
+
+GENERIC# save-gc-root 1 ( gc-root operand temp -- )
+
+M:: spill-slot save-gc-root ( gc-root operand temp -- )
+ temp int-rep operand n>> %reload
+ gc-root temp %save-gc-root ;
+
+M: object save-gc-root drop %save-gc-root ;
+
+: save-gc-roots ( gc-roots temp -- ) '[ _ save-gc-root ] assoc-each ;
+
+: save-data-regs ( data-regs -- ) [ first3 %spill ] each ;
+
+GENERIC# load-gc-root 1 ( gc-root operand temp -- )
+
+M:: spill-slot load-gc-root ( gc-root operand temp -- )
+ gc-root temp %load-gc-root
+ temp int-rep operand n>> %spill ;
+
+M: object load-gc-root drop %load-gc-root ;
+
+: load-gc-roots ( gc-roots temp -- ) '[ _ load-gc-root ] assoc-each ;
+
+: load-data-regs ( data-regs -- ) [ first3 %reload ] each ;
M: _gc generate-insn
+ "no-gc" define-label
{
- [ temp1>> register ]
- [ temp2>> register ]
- [ gc-roots>> ]
- [ gc-root-count>> ]
- } cleave %gc ;
+ [ [ "no-gc" get ] dip [ temp1>> ] [ temp2>> ] bi %check-nursery ]
+ [ [ uninitialized-locs>> ] [ temp1>> ] bi wipe-locs ]
+ [ data-values>> save-data-regs ]
+ [ [ tagged-values>> ] [ temp1>> ] bi save-gc-roots ]
+ [ [ temp1>> ] [ temp2>> ] bi t %save-context ]
+ [ tagged-values>> length %call-gc ]
+ [ [ tagged-values>> ] [ temp1>> ] bi load-gc-roots ]
+ [ data-values>> load-data-regs ]
+ } cleave
+ "no-gc" resolve-label ;
M: _loop-entry generate-insn drop %loop-entry ;
M: ##alien-global generate-insn
- [ dst>> register ] [ symbol>> ] [ library>> ] tri
+ [ dst>> ] [ symbol>> ] [ library>> ] tri
%alien-global ;
-! ##alien-invoke
-GENERIC: reg-class-variable ( register-class -- symbol )
-
-M: reg-class reg-class-variable ;
-
-M: float-regs reg-class-variable drop float-regs ;
+M: ##vm-field-ptr generate-insn
+ [ dst>> ] [ fieldname>> ] bi %vm-field-ptr ;
-GENERIC: inc-reg-class ( register-class -- )
+! ##alien-invoke
+GENERIC: next-fastcall-param ( rep -- )
-: ?dummy-stack-params ( reg-class -- )
- dummy-stack-params? [ reg-size cell align stack-params +@ ] [ drop ] if ;
+: ?dummy-stack-params ( rep -- )
+ dummy-stack-params? [ rep-size cell align stack-params +@ ] [ drop ] if ;
-: ?dummy-int-params ( reg-class -- )
- dummy-int-params? [ reg-size cell /i 1 max int-regs +@ ] [ drop ] if ;
+: ?dummy-int-params ( rep -- )
+ dummy-int-params? [ rep-size cell /i 1 max int-regs +@ ] [ drop ] if ;
-: ?dummy-fp-params ( reg-class -- )
+: ?dummy-fp-params ( rep -- )
drop dummy-fp-params? [ float-regs inc ] when ;
-M: int-regs inc-reg-class
- [ reg-class-variable inc ]
- [ ?dummy-stack-params ]
- [ ?dummy-fp-params ]
- tri ;
+M: int-rep next-fastcall-param
+ int-regs inc [ ?dummy-stack-params ] [ ?dummy-fp-params ] bi ;
-M: float-regs inc-reg-class
- [ reg-class-variable inc ]
- [ ?dummy-stack-params ]
- [ ?dummy-int-params ]
- tri ;
+M: float-rep next-fastcall-param
+ float-regs inc [ ?dummy-stack-params ] [ ?dummy-int-params ] bi ;
-GENERIC: reg-class-full? ( class -- ? )
+M: double-rep next-fastcall-param
+ float-regs inc [ ?dummy-stack-params ] [ ?dummy-int-params ] bi ;
+
+GENERIC: reg-class-full? ( reg-class -- ? )
M: stack-params reg-class-full? drop t ;
-M: object reg-class-full?
- [ reg-class-variable get ] [ param-regs length ] bi >= ;
+M: reg-class reg-class-full?
+ [ get ] [ param-regs length ] bi >= ;
-: spill-param ( reg-class -- n reg-class )
+: alloc-stack-param ( rep -- n reg-class rep )
stack-params get
- [ reg-size cell align stack-params +@ ] dip
- stack-params ;
+ [ rep-size cell align stack-params +@ ] dip
+ stack-params dup ;
-: fastcall-param ( reg-class -- n reg-class )
- [ reg-class-variable get ] [ inc-reg-class ] [ ] tri ;
+: alloc-fastcall-param ( rep -- n reg-class rep )
+ [ [ reg-class-of get ] [ reg-class-of ] [ next-fastcall-param ] tri ] keep ;
-: alloc-parameter ( parameter -- reg reg-class )
- c-type-reg-class dup reg-class-full?
- [ spill-param ] [ fastcall-param ] if
- [ param-reg ] keep ;
+: alloc-parameter ( parameter -- reg rep )
+ c-type-rep dup reg-class-of reg-class-full?
+ [ alloc-stack-param ] [ alloc-fastcall-param ] if
+ [ param-reg ] dip ;
: (flatten-int-type) ( size -- seq )
cell /i "void*" c-type <repetition> ;
M: object flatten-value-type 1array ;
-M: struct-type flatten-value-type ( type -- types )
+M: alien.structs:struct-type flatten-value-type ( type -- types )
+ stack-size cell align (flatten-int-type) ;
+
+M: classes.struct:struct-c-type flatten-value-type ( type -- types )
stack-size cell align (flatten-int-type) ;
M: long-long-type flatten-value-type ( type -- types )
: reverse-each-parameter ( parameters quot -- )
[ [ parameter-sizes nip ] keep ] dip 2reverse-each ; inline
-: reset-freg-counts ( -- )
+: reset-fastcall-counts ( -- )
{ int-regs float-regs stack-params } [ 0 swap set ] each ;
: with-param-regs ( quot -- )
#! In quot you can call alloc-parameter
- [ reset-freg-counts call ] with-scope ; inline
+ [ reset-fastcall-counts call ] with-scope ; inline
: move-parameters ( node word -- )
#! Moves values from C stack to registers (if word is
: objects>registers ( params -- )
#! Generate code for unboxing a list of C types, then
- #! generate code for moving these parameters to register on
+ #! generate code for moving these parameters to registers on
#! architectures where parameters are passed in registers.
[
[ prepare-box-struct ] keep
M: ##alien-invoke generate-insn
params>>
- ! Save registers for GC
- %prepare-alien-invoke
! Unbox parameters
dup objects>registers
%prepare-var-args
! ##alien-indirect
M: ##alien-indirect generate-insn
params>>
- ! Save registers for GC
- %prepare-alien-invoke
! Save alien at top of stack to temporary storage
%prepare-alien-indirect
! Unbox parameters
alien-parameters [ box-parameter ] each-parameter ;
: registers>objects ( node -- )
+ ! Generate code for boxing input parameters in a callback.
[
dup \ %save-param-reg move-parameters
- "nest_stacks" f %alien-invoke
+ "nest_stacks" %vm-invoke-1st-arg
box-parameters
] with-param-regs ;
: callback-return-quot ( ctype -- quot )
return>> {
- { [ dup "void" = ] [ drop [ ] ] }
+ { [ dup void? ] [ drop [ ] ] }
{ [ dup large-struct? ] [ heap-size '[ _ memcpy ] ] }
[ c-type c-type-unboxer-quot ]
} cond ;
[ callback-context new do-callback ] %
] [ ] make ;
-: %unnest-stacks ( -- ) "unnest_stacks" f %alien-invoke ;
+: %unnest-stacks ( -- ) "unnest_stacks" %vm-invoke-1st-arg ;
M: ##callback-return generate-insn
#! All the extra book-keeping for %unwind is only for x86.
[ wrap-callback-quot %alien-callback ]
[ alien-return [ %unnest-stacks ] [ %callback-value ] if-void ]
tri ;
-
-M: _prologue generate-insn
- stack-frame>> [ stack-frame set ] [ total-size>> %prologue ] bi ;
-
-M: _epilogue generate-insn
- stack-frame>> total-size>> %epilogue ;
-
-M: _label generate-insn
- id>> lookup-label resolve-label ;
-
-M: _branch generate-insn
- label>> lookup-label %jump-label ;
-
-: >compare< ( insn -- dst temp cc src1 src2 )
- {
- [ dst>> register ]
- [ temp>> register ]
- [ cc>> ]
- [ src1>> register ]
- [ src2>> ?register ]
- } cleave ; inline
-
-M: ##compare generate-insn >compare< %compare ;
-M: ##compare-imm generate-insn >compare< %compare-imm ;
-M: ##compare-float generate-insn >compare< %compare-float ;
-
-: >binary-branch< ( insn -- label cc src1 src2 )
- {
- [ label>> lookup-label ]
- [ cc>> ]
- [ src1>> register ]
- [ src2>> ?register ]
- } cleave ; inline
-
-M: _compare-branch generate-insn
- >binary-branch< %compare-branch ;
-
-M: _compare-imm-branch generate-insn
- >binary-branch< %compare-imm-branch ;
-
-M: _compare-float-branch generate-insn
- >binary-branch< %compare-float-branch ;
-
-M: _spill generate-insn
- [ src>> ] [ n>> ] [ class>> ] tri {
- { int-regs [ %spill-integer ] }
- { double-float-regs [ %spill-float ] }
- } case ;
-
-M: _reload generate-insn
- [ dst>> ] [ n>> ] [ class>> ] tri {
- { int-regs [ %reload-integer ] }
- { double-float-regs [ %reload-float ] }
- } case ;
-
-M: _copy generate-insn
- [ dst>> ] [ src>> ] [ class>> ] tri {
- { int-regs [ %copy ] }
- { double-float-regs [ %copy-float ] }
- } case ;
-
-M: _spill-counts generate-insn drop ;
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