factor/basis/cpu/x86/x86.factor

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43 KiB
Factor

! Copyright (C) 2005, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs alien alien.c-types arrays strings
cpu.x86.assembler cpu.x86.assembler.private cpu.x86.assembler.operands
cpu.x86.features cpu.x86.features.private cpu.architecture kernel
kernel.private math memory namespaces make sequences words system
layouts combinators math.order math.vectors fry locals compiler.constants
byte-arrays io macros quotations compiler compiler.units init vm
compiler.cfg.registers
compiler.cfg.instructions
compiler.cfg.intrinsics
compiler.cfg.comparisons
compiler.cfg.stack-frame
compiler.codegen.fixup ;
FROM: layouts => cell ;
FROM: math => float ;
IN: cpu.x86
! Add some methods to the assembler to be more useful to the backend
M: label JMP 0 JMP rc-relative label-fixup ;
M: label JUMPcc [ 0 ] dip JUMPcc rc-relative label-fixup ;
M: x86 vector-regs float-regs ;
HOOK: stack-reg cpu ( -- reg )
HOOK: reserved-stack-space cpu ( -- n )
HOOK: extra-stack-space cpu ( stack-frame -- n )
: stack@ ( n -- op ) stack-reg swap [+] ;
: special@ ( n -- op )
stack-frame get extra-stack-space +
reserved-stack-space +
stack@ ;
: spill@ ( n -- op ) spill-offset special@ ;
: gc-root@ ( n -- op ) gc-root-offset special@ ;
: decr-stack-reg ( n -- )
dup 0 = [ drop ] [ stack-reg swap SUB ] if ;
: incr-stack-reg ( n -- )
dup 0 = [ drop ] [ stack-reg swap ADD ] if ;
: align-stack ( n -- n' ) 16 align ;
M: x86 stack-frame-size ( stack-frame -- i )
[ (stack-frame-size) ]
[ extra-stack-space ] bi +
reserved-stack-space +
3 cells +
align-stack ;
! Must be a volatile register not used for parameter passing, for safe
! use in calls in and out of C
HOOK: temp-reg cpu ( -- reg )
HOOK: pic-tail-reg cpu ( -- reg )
M: x86 %load-immediate dup 0 = [ drop dup XOR ] [ MOV ] if ;
M: x86 %load-reference swap 0 MOV rc-absolute-cell rel-immediate ;
HOOK: ds-reg cpu ( -- reg )
HOOK: rs-reg cpu ( -- reg )
: reg-stack ( n reg -- op ) swap cells neg [+] ;
GENERIC: loc>operand ( loc -- operand )
M: ds-loc loc>operand n>> ds-reg reg-stack ;
M: rs-loc loc>operand n>> rs-reg reg-stack ;
M: x86 %peek loc>operand MOV ;
M: x86 %replace loc>operand swap MOV ;
: (%inc) ( n reg -- ) swap cells dup 0 > [ ADD ] [ neg SUB ] if ; inline
M: x86 %inc-d ( n -- ) ds-reg (%inc) ;
M: x86 %inc-r ( n -- ) rs-reg (%inc) ;
M: x86 %call ( word -- ) 0 CALL rc-relative rel-word-pic ;
: xt-tail-pic-offset ( -- n )
#! See the comment in vm/cpu-x86.hpp
cell 4 + 1 + ; inline
M: x86 %jump ( word -- )
pic-tail-reg 0 MOV xt-tail-pic-offset rc-absolute-cell rel-here
0 JMP rc-relative rel-word-pic-tail ;
M: x86 %jump-label ( label -- ) 0 JMP rc-relative label-fixup ;
M: x86 %return ( -- ) 0 RET ;
: code-alignment ( align -- n )
[ building get length dup ] dip align swap - ;
: align-code ( n -- )
0 <repetition> % ;
:: (%slot-imm) ( obj slot tag -- op )
obj slot tag slot-offset [+] ; inline
M: x86 %slot ( dst obj slot -- ) [+] MOV ;
M: x86 %slot-imm ( dst obj slot tag -- ) (%slot-imm) MOV ;
M: x86 %set-slot ( src obj slot -- ) [+] swap MOV ;
M: x86 %set-slot-imm ( src obj slot tag -- ) (%slot-imm) swap MOV ;
:: two-operand ( dst src1 src2 rep -- dst src )
dst src2 eq? dst src1 eq? not and [ "Cannot handle this case" throw ] when
dst src1 rep %copy
dst src2 ; inline
:: one-operand ( dst src rep -- dst )
dst src rep %copy
dst ; inline
M: x86 %add 2over eq? [ nip ADD ] [ [+] LEA ] if ;
M: x86 %add-imm 2over eq? [ nip ADD ] [ [+] LEA ] if ;
M: x86 %sub int-rep two-operand SUB ;
M: x86 %sub-imm 2over eq? [ nip SUB ] [ neg [+] LEA ] if ;
M: x86 %mul int-rep two-operand swap IMUL2 ;
M: x86 %mul-imm IMUL3 ;
M: x86 %and int-rep two-operand AND ;
M: x86 %and-imm int-rep two-operand AND ;
M: x86 %or int-rep two-operand OR ;
M: x86 %or-imm int-rep two-operand OR ;
M: x86 %xor int-rep two-operand XOR ;
M: x86 %xor-imm int-rep two-operand XOR ;
M: x86 %shl-imm int-rep two-operand SHL ;
M: x86 %shr-imm int-rep two-operand SHR ;
M: x86 %sar-imm int-rep two-operand SAR ;
M: x86 %min int-rep two-operand [ CMP ] [ CMOVG ] 2bi ;
M: x86 %max int-rep two-operand [ CMP ] [ CMOVL ] 2bi ;
M: x86 %not int-rep one-operand NOT ;
M: x86 %neg int-rep one-operand NEG ;
M: x86 %log2 BSR ;
! A bit of logic to avoid using MOVSS/MOVSD for reg-reg moves
! since this induces partial register stalls
GENERIC: copy-register* ( dst src rep -- )
GENERIC: copy-memory* ( dst src rep -- )
M: int-rep copy-register* drop MOV ;
M: tagged-rep copy-register* drop MOV ;
M: float-rep copy-register* drop MOVAPS ;
M: double-rep copy-register* drop MOVAPS ;
M: float-4-rep copy-register* drop MOVAPS ;
M: double-2-rep copy-register* drop MOVAPS ;
M: vector-rep copy-register* drop MOVDQA ;
M: object copy-memory* copy-register* ;
M: float-rep copy-memory* drop MOVSS ;
M: double-rep copy-memory* drop MOVSD ;
M: x86 %copy ( dst src rep -- )
2over eq? [ 3drop ] [
[ [ dup spill-slot? [ n>> spill@ ] when ] bi@ ] dip
2over [ register? ] both? [ copy-register* ] [ copy-memory* ] if
] if ;
M: x86 %fixnum-add ( label dst src1 src2 -- )
int-rep two-operand ADD JO ;
M: x86 %fixnum-sub ( label dst src1 src2 -- )
int-rep two-operand SUB JO ;
M: x86 %fixnum-mul ( label dst src1 src2 -- )
int-rep two-operand swap IMUL2 JO ;
M: x86 %unbox-alien ( dst src -- )
alien-offset [+] MOV ;
M:: x86 %unbox-any-c-ptr ( dst src -- )
[
"end" define-label
dst dst XOR
! Is the object f?
src \ f type-number CMP
"end" get JE
! Compute tag in dst register
dst src MOV
dst tag-mask get AND
! Is the object an alien?
dst alien type-number CMP
! Add an offset to start of byte array's data
dst src byte-array-offset [+] LEA
"end" get JNE
! If so, load the offset and add it to the address
dst src alien-offset [+] MOV
"end" resolve-label
] with-scope ;
: alien@ ( reg n -- op ) cells alien type-number - [+] ;
M:: x86 %box-alien ( dst src temp -- )
[
"end" define-label
dst \ f type-number MOV
src src TEST
"end" get JE
dst 5 cells alien temp %allot
dst 1 alien@ \ f type-number MOV ! base
dst 2 alien@ \ f type-number MOV ! expired
dst 3 alien@ src MOV ! displacement
dst 4 alien@ src MOV ! address
"end" resolve-label
] with-scope ;
M:: x86 %box-displaced-alien ( dst displacement base temp base-class -- )
! This is ridiculous
[
"end" define-label
"not-f" define-label
"not-alien" define-label
! If displacement is zero, return the base
dst base MOV
displacement displacement TEST
"end" get JE
! Displacement is non-zero, we're going to be allocating a new
! object
dst 5 cells alien temp %allot
! Set expired to f
dst 2 alien@ \ f type-number MOV
! Is base f?
base \ f type-number CMP
"not-f" get JNE
! Yes, it is f. Fill in new object
dst 1 alien@ base MOV
dst 3 alien@ displacement MOV
dst 4 alien@ displacement MOV
"end" get JMP
"not-f" resolve-label
! Check base type
temp base MOV
temp tag-mask get AND
! Is base an alien?
temp alien type-number CMP
"not-alien" get JNE
! Yes, it is an alien. Set new alien's base to base.base
temp base 1 alien@ MOV
dst 1 alien@ temp MOV
! Compute displacement
temp base 3 alien@ MOV
temp displacement ADD
dst 3 alien@ temp MOV
! Compute address
temp base 4 alien@ MOV
temp displacement ADD
dst 4 alien@ temp MOV
! We are done
"end" get JMP
! Is base a byte array? It has to be, by now...
"not-alien" resolve-label
dst 1 alien@ base MOV
dst 3 alien@ displacement MOV
temp base MOV
temp byte-array-offset ADD
temp displacement ADD
dst 4 alien@ temp MOV
"end" resolve-label
] with-scope ;
! The 'small-reg' mess is pretty crappy, but its only used on x86-32.
! On x86-64, all registers have 8-bit versions. However, a similar
! problem arises for shifts, where the shift count must be in CL, and
! so one day I will fix this properly by adding precoloring to the
! register allocator.
HOOK: has-small-reg? cpu ( reg size -- ? )
CONSTANT: have-byte-regs { EAX ECX EDX EBX }
M: x86.32 has-small-reg?
{
{ 8 [ have-byte-regs member-eq? ] }
{ 16 [ drop t ] }
{ 32 [ drop t ] }
} case ;
M: x86.64 has-small-reg? 2drop t ;
: small-reg-that-isn't ( exclude -- reg' )
[ have-byte-regs ] dip
[ native-version-of ] map
'[ _ member-eq? not ] find nip ;
: with-save/restore ( reg quot -- )
[ drop PUSH ] [ call ] [ drop POP ] 2tri ; inline
:: with-small-register ( dst exclude size quot: ( new-dst -- ) -- )
! If the destination register overlaps a small register with
! 'size' bits, we call the quot with that. Otherwise, we find a
! small register that is not in exclude, and call quot, saving and
! restoring the small register.
dst size has-small-reg? [ dst quot call ] [
exclude small-reg-that-isn't
[ quot call ] with-save/restore
] if ; inline
M:: x86 %string-nth ( dst src index temp -- )
! We request a small-reg of size 8 since those of size 16 are
! a superset.
"end" define-label
dst { src index temp } 8 [| new-dst |
! Load the least significant 7 bits into new-dst.
! 8th bit indicates whether we have to load from
! the aux vector or not.
temp src index [+] LEA
new-dst 8-bit-version-of temp string-offset [+] MOV
new-dst new-dst 8-bit-version-of MOVZX
! Do we have to look at the aux vector?
new-dst HEX: 80 CMP
"end" get JL
! Yes, this is a non-ASCII character. Load aux vector
temp src string-aux-offset [+] MOV
new-dst temp XCHG
! Compute index
new-dst index ADD
new-dst index ADD
! Load high 16 bits
new-dst 16-bit-version-of new-dst byte-array-offset [+] MOV
new-dst new-dst 16-bit-version-of MOVZX
new-dst 7 SHL
! Compute code point
new-dst temp XOR
"end" resolve-label
dst new-dst int-rep %copy
] with-small-register ;
M:: x86 %set-string-nth-fast ( ch str index temp -- )
ch { index str temp } 8 [| new-ch |
new-ch ch int-rep %copy
temp str index [+] LEA
temp string-offset [+] new-ch 8-bit-version-of MOV
] with-small-register ;
:: %alien-integer-getter ( dst src offset size quot -- )
dst { src } size [| new-dst |
new-dst dup size n-bit-version-of dup src offset [+] MOV
quot call
dst new-dst int-rep %copy
] with-small-register ; inline
: %alien-unsigned-getter ( dst src offset size -- )
[ MOVZX ] %alien-integer-getter ; inline
: %alien-signed-getter ( dst src offset size -- )
[ MOVSX ] %alien-integer-getter ; inline
:: %alien-integer-setter ( ptr offset value size -- )
value { ptr } size [| new-value |
new-value value int-rep %copy
ptr offset [+] new-value size n-bit-version-of MOV
] with-small-register ; inline
M: x86 %alien-unsigned-1 8 %alien-unsigned-getter ;
M: x86 %alien-unsigned-2 16 %alien-unsigned-getter ;
M: x86 %alien-unsigned-4 32 [ 2drop ] %alien-integer-getter ;
M: x86 %alien-signed-1 8 %alien-signed-getter ;
M: x86 %alien-signed-2 16 %alien-signed-getter ;
M: x86 %alien-signed-4 32 %alien-signed-getter ;
M: x86 %alien-cell [+] MOV ;
M: x86 %alien-float [+] MOVSS ;
M: x86 %alien-double [+] MOVSD ;
M: x86 %alien-vector [ [+] ] dip %copy ;
M: x86 %set-alien-integer-1 8 %alien-integer-setter ;
M: x86 %set-alien-integer-2 16 %alien-integer-setter ;
M: x86 %set-alien-integer-4 32 %alien-integer-setter ;
M: x86 %set-alien-cell [ [+] ] dip MOV ;
M: x86 %set-alien-float [ [+] ] dip MOVSS ;
M: x86 %set-alien-double [ [+] ] dip MOVSD ;
M: x86 %set-alien-vector [ [+] ] 2dip %copy ;
: shift-count? ( reg -- ? ) { ECX RCX } member-eq? ;
:: emit-shift ( dst src quot -- )
src shift-count? [
dst CL quot call
] [
dst shift-count? [
dst src XCHG
src CL quot call
dst src XCHG
] [
ECX native-version-of [
CL src MOV
drop dst CL quot call
] with-save/restore
] if
] if ; inline
M: x86 %shl int-rep two-operand [ SHL ] emit-shift ;
M: x86 %shr int-rep two-operand [ SHR ] emit-shift ;
M: x86 %sar int-rep two-operand [ SAR ] emit-shift ;
: %mov-vm-ptr ( reg -- )
0 MOV 0 rc-absolute-cell rel-vm ;
M: x86 %vm-field-ptr ( dst field -- )
[ 0 MOV ] dip vm-field-offset rc-absolute-cell rel-vm ;
: load-allot-ptr ( nursery-ptr allot-ptr -- )
[ drop "nursery" %vm-field-ptr ] [ swap [] MOV ] 2bi ;
: inc-allot-ptr ( nursery-ptr n -- )
[ [] ] dip data-alignment get align ADD ;
: store-header ( temp class -- )
[ [] ] [ type-number tag-header ] bi* MOV ;
: store-tagged ( dst tag -- )
type-number OR ;
M:: x86 %allot ( dst size class nursery-ptr -- )
nursery-ptr dst load-allot-ptr
dst class store-header
dst class store-tagged
nursery-ptr size inc-allot-ptr ;
HOOK: %mark-card cpu ( card temp -- )
HOOK: %mark-deck cpu ( card temp -- )
:: (%write-barrier) ( src slot temp1 temp2 -- )
temp1 src slot [+] LEA
temp1 card-bits SHR
temp1 temp2 %mark-card
temp1 deck-bits card-bits - SHR
temp1 temp2 %mark-deck ;
M: x86 %write-barrier ( src slot temp1 temp2 -- ) (%write-barrier) ;
M: x86 %write-barrier-imm ( src slot temp1 temp2 -- ) (%write-barrier) ;
M:: x86 %check-nursery ( label size temp1 temp2 -- )
temp1 "nursery" %vm-field-ptr
! Load 'here' into temp2
temp2 temp1 [] MOV
temp2 size ADD
! Load 'end' into temp1
temp1 temp1 2 cells [+] MOV
temp2 temp1 CMP
label JLE ;
M: x86 %save-gc-root ( gc-root register -- ) [ gc-root@ ] dip MOV ;
M: x86 %load-gc-root ( gc-root register -- ) swap gc-root@ MOV ;
M: x86 %alien-global ( dst symbol library -- )
[ 0 MOV ] 2dip rc-absolute-cell rel-dlsym ;
M: x86 %epilogue ( n -- ) cell - incr-stack-reg ;
:: %boolean ( dst temp word -- )
dst \ f type-number MOV
temp 0 MOV \ t rc-absolute-cell rel-immediate
dst temp word execute ; inline
: (%compare) ( src1 src2 cc -- )
2over [ { cc= cc/= } member? ] [ register? ] [ 0 = ] tri* and and
[ drop dup TEST ]
[ CMP ] if ;
M:: x86 %compare ( dst src1 src2 cc temp -- )
src1 src2 cc (%compare)
cc order-cc {
{ cc< [ dst temp \ CMOVL %boolean ] }
{ cc<= [ dst temp \ CMOVLE %boolean ] }
{ cc> [ dst temp \ CMOVG %boolean ] }
{ cc>= [ dst temp \ CMOVGE %boolean ] }
{ cc= [ dst temp \ CMOVE %boolean ] }
{ cc/= [ dst temp \ CMOVNE %boolean ] }
} case ;
M: x86 %compare-imm ( dst src1 src2 cc temp -- )
%compare ;
M:: x86 %compare-branch ( label src1 src2 cc -- )
src1 src2 cc (%compare)
cc order-cc {
{ cc< [ label JL ] }
{ cc<= [ label JLE ] }
{ cc> [ label JG ] }
{ cc>= [ label JGE ] }
{ cc= [ label JE ] }
{ cc/= [ label JNE ] }
} case ;
M: x86 %compare-imm-branch ( label src1 src2 cc -- )
%compare-branch ;
M: x86 %add-float double-rep two-operand ADDSD ;
M: x86 %sub-float double-rep two-operand SUBSD ;
M: x86 %mul-float double-rep two-operand MULSD ;
M: x86 %div-float double-rep two-operand DIVSD ;
M: x86 %min-float double-rep two-operand MINSD ;
M: x86 %max-float double-rep two-operand MAXSD ;
M: x86 %sqrt SQRTSD ;
: %clear-unless-in-place ( dst src -- )
over = [ drop ] [ dup XORPS ] if ;
M: x86 %single>double-float [ %clear-unless-in-place ] [ CVTSS2SD ] 2bi ;
M: x86 %double>single-float [ %clear-unless-in-place ] [ CVTSD2SS ] 2bi ;
M: x86 %integer>float [ drop dup XORPS ] [ CVTSI2SD ] 2bi ;
M: x86 %float>integer CVTTSD2SI ;
: %cmov-float= ( dst src -- )
[
"no-move" define-label
"no-move" get [ JNE ] [ JP ] bi
MOV
"no-move" resolve-label
] with-scope ;
: %cmov-float/= ( dst src -- )
[
"no-move" define-label
"move" define-label
"move" get JP
"no-move" get JE
"move" resolve-label
MOV
"no-move" resolve-label
] with-scope ;
:: (%compare-float) ( dst src1 src2 cc temp compare -- )
cc {
{ cc< [ src2 src1 \ compare execute( a b -- ) dst temp \ CMOVA %boolean ] }
{ cc<= [ src2 src1 \ compare execute( a b -- ) dst temp \ CMOVAE %boolean ] }
{ cc> [ src1 src2 \ compare execute( a b -- ) dst temp \ CMOVA %boolean ] }
{ cc>= [ src1 src2 \ compare execute( a b -- ) dst temp \ CMOVAE %boolean ] }
{ cc= [ src1 src2 \ compare execute( a b -- ) dst temp \ %cmov-float= %boolean ] }
{ cc<> [ src1 src2 \ compare execute( a b -- ) dst temp \ CMOVNE %boolean ] }
{ cc<>= [ src1 src2 \ compare execute( a b -- ) dst temp \ CMOVNP %boolean ] }
{ cc/< [ src2 src1 \ compare execute( a b -- ) dst temp \ CMOVBE %boolean ] }
{ cc/<= [ src2 src1 \ compare execute( a b -- ) dst temp \ CMOVB %boolean ] }
{ cc/> [ src1 src2 \ compare execute( a b -- ) dst temp \ CMOVBE %boolean ] }
{ cc/>= [ src1 src2 \ compare execute( a b -- ) dst temp \ CMOVB %boolean ] }
{ cc/= [ src1 src2 \ compare execute( a b -- ) dst temp \ %cmov-float/= %boolean ] }
{ cc/<> [ src1 src2 \ compare execute( a b -- ) dst temp \ CMOVE %boolean ] }
{ cc/<>= [ src1 src2 \ compare execute( a b -- ) dst temp \ CMOVP %boolean ] }
} case ; inline
M: x86 %compare-float-ordered ( dst src1 src2 cc temp -- )
\ COMISD (%compare-float) ;
M: x86 %compare-float-unordered ( dst src1 src2 cc temp -- )
\ UCOMISD (%compare-float) ;
: %jump-float= ( label -- )
[
"no-jump" define-label
"no-jump" get JP
JE
"no-jump" resolve-label
] with-scope ;
: %jump-float/= ( label -- )
[ JNE ] [ JP ] bi ;
:: (%compare-float-branch) ( label src1 src2 cc compare -- )
cc {
{ cc< [ src2 src1 \ compare execute( a b -- ) label JA ] }
{ cc<= [ src2 src1 \ compare execute( a b -- ) label JAE ] }
{ cc> [ src1 src2 \ compare execute( a b -- ) label JA ] }
{ cc>= [ src1 src2 \ compare execute( a b -- ) label JAE ] }
{ cc= [ src1 src2 \ compare execute( a b -- ) label %jump-float= ] }
{ cc<> [ src1 src2 \ compare execute( a b -- ) label JNE ] }
{ cc<>= [ src1 src2 \ compare execute( a b -- ) label JNP ] }
{ cc/< [ src2 src1 \ compare execute( a b -- ) label JBE ] }
{ cc/<= [ src2 src1 \ compare execute( a b -- ) label JB ] }
{ cc/> [ src1 src2 \ compare execute( a b -- ) label JBE ] }
{ cc/>= [ src1 src2 \ compare execute( a b -- ) label JB ] }
{ cc/= [ src1 src2 \ compare execute( a b -- ) label %jump-float/= ] }
{ cc/<> [ src1 src2 \ compare execute( a b -- ) label JE ] }
{ cc/<>= [ src1 src2 \ compare execute( a b -- ) label JP ] }
} case ;
M: x86 %compare-float-ordered-branch ( label src1 src2 cc -- )
\ COMISD (%compare-float-branch) ;
M: x86 %compare-float-unordered-branch ( label src1 src2 cc -- )
\ UCOMISD (%compare-float-branch) ;
MACRO: available-reps ( alist -- )
! Each SSE version adds new representations and supports
! all old ones
unzip { } [ append ] accumulate rest swap suffix
[ [ 1quotation ] map ] bi@ zip
reverse [ { } ] suffix
'[ _ cond ] ;
M: x86 %alien-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %zero-vector
{
{ double-2-rep [ dup XORPS ] }
{ float-4-rep [ dup XORPS ] }
[ drop dup PXOR ]
} case ;
M: x86 %zero-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %fill-vector
{
{ double-2-rep [ dup [ XORPS ] [ CMPEQPS ] 2bi ] }
{ float-4-rep [ dup [ XORPS ] [ CMPEQPS ] 2bi ] }
[ drop dup PCMPEQB ]
} case ;
M: x86 %fill-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
! M:: x86 %broadcast-vector ( dst src rep -- )
! rep unsign-rep {
! { float-4-rep [
! dst src float-4-rep %copy
! dst dst { 0 0 0 0 } SHUFPS
! ] }
! { double-2-rep [
! dst src MOVDDUP
! ] }
! { longlong-2-rep [
! dst src =
! [ dst dst PUNPCKLQDQ ]
! [ dst src { 0 1 0 1 } PSHUFD ]
! if
! ] }
! { int-4-rep [
! dst src { 0 0 0 0 } PSHUFD
! ] }
! { short-8-rep [
! dst src { 0 0 0 0 } PSHUFLW
! dst dst PUNPCKLQDQ
! ] }
! { char-16-rep [
! dst src char-16-rep %copy
! dst dst PUNPCKLBW
! dst dst { 0 0 0 0 } PSHUFLW
! dst dst PUNPCKLQDQ
! ] }
! } case ;
!
! M: x86 %broadcast-vector-reps
! {
! ! Can't do this with sse1 since it will want to unbox
! ! a double-precision float and convert to single precision
! { sse2? { float-4-rep double-2-rep longlong-2-rep ulonglong-2-rep int-4-rep uint-4-rep short-8-rep ushort-8-rep char-16-rep uchar-16-rep } }
! } available-reps ;
M:: x86 %gather-vector-4 ( dst src1 src2 src3 src4 rep -- )
rep unsign-rep {
{ float-4-rep [
dst src1 float-4-rep %copy
dst src2 UNPCKLPS
src3 src4 UNPCKLPS
dst src3 MOVLHPS
] }
{ int-4-rep [
dst src1 int-4-rep %copy
dst src2 PUNPCKLDQ
src3 src4 PUNPCKLDQ
dst src3 PUNPCKLQDQ
] }
} case ;
M: x86 %gather-vector-4-reps
{
! Can't do this with sse1 since it will want to unbox
! double-precision floats and convert to single precision
{ sse2? { float-4-rep int-4-rep uint-4-rep } }
} available-reps ;
M:: x86 %gather-vector-2 ( dst src1 src2 rep -- )
rep unsign-rep {
{ double-2-rep [
dst src1 double-2-rep %copy
dst src2 MOVLHPS
] }
{ longlong-2-rep [
dst src1 longlong-2-rep %copy
dst src2 PUNPCKLQDQ
] }
} case ;
M: x86 %gather-vector-2-reps
{
{ sse2? { double-2-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
: sse1-float-4-shuffle ( dst shuffle -- )
{
{ { 0 1 2 3 } [ drop ] }
{ { 0 1 0 1 } [ dup MOVLHPS ] }
{ { 2 3 2 3 } [ dup MOVHLPS ] }
{ { 0 0 1 1 } [ dup UNPCKLPS ] }
{ { 2 2 3 3 } [ dup UNPCKHPS ] }
[ dupd SHUFPS ]
} case ;
: float-4-shuffle ( dst shuffle -- )
sse3? [
{
{ { 0 0 2 2 } [ dup MOVSLDUP ] }
{ { 1 1 3 3 } [ dup MOVSHDUP ] }
[ sse1-float-4-shuffle ]
} case
] [ sse1-float-4-shuffle ] if ;
: int-4-shuffle ( dst shuffle -- )
{
{ { 0 1 2 3 } [ drop ] }
{ { 0 0 1 1 } [ dup PUNPCKLDQ ] }
{ { 2 2 3 3 } [ dup PUNPCKHDQ ] }
{ { 0 1 0 1 } [ dup PUNPCKLQDQ ] }
{ { 2 3 2 3 } [ dup PUNPCKHQDQ ] }
[ dupd PSHUFD ]
} case ;
: longlong-2-shuffle ( dst shuffle -- )
first2 [ 2 * dup 1 + ] bi@ 4array int-4-shuffle ;
: >float-4-shuffle ( double-2-shuffle -- float-4-shuffle )
[ 2 * { 0 1 } n+v ] map concat ;
M:: x86 %shuffle-vector-imm ( dst src shuffle rep -- )
dst src rep %copy
dst shuffle rep unsign-rep {
{ double-2-rep [ >float-4-shuffle float-4-shuffle ] }
{ float-4-rep [ float-4-shuffle ] }
{ int-4-rep [ int-4-shuffle ] }
{ longlong-2-rep [ longlong-2-shuffle ] }
} case ;
M: x86 %shuffle-vector-imm-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %shuffle-vector ( dst src shuffle rep -- )
two-operand PSHUFB ;
M: x86 %shuffle-vector-reps
{
{ ssse3? { float-4-rep double-2-rep longlong-2-rep ulonglong-2-rep int-4-rep uint-4-rep short-8-rep ushort-8-rep char-16-rep uchar-16-rep } }
} available-reps ;
M: x86 %merge-vector-head
[ two-operand ] keep
unsign-rep {
{ double-2-rep [ MOVLHPS ] }
{ float-4-rep [ UNPCKLPS ] }
{ longlong-2-rep [ PUNPCKLQDQ ] }
{ int-4-rep [ PUNPCKLDQ ] }
{ short-8-rep [ PUNPCKLWD ] }
{ char-16-rep [ PUNPCKLBW ] }
} case ;
M: x86 %merge-vector-tail
[ two-operand ] keep
unsign-rep {
{ double-2-rep [ UNPCKHPD ] }
{ float-4-rep [ UNPCKHPS ] }
{ longlong-2-rep [ PUNPCKHQDQ ] }
{ int-4-rep [ PUNPCKHDQ ] }
{ short-8-rep [ PUNPCKHWD ] }
{ char-16-rep [ PUNPCKHBW ] }
} case ;
M: x86 %merge-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %signed-pack-vector
[ two-operand ] keep
{
{ int-4-rep [ PACKSSDW ] }
{ short-8-rep [ PACKSSWB ] }
} case ;
M: x86 %signed-pack-vector-reps
{
{ sse2? { short-8-rep int-4-rep } }
} available-reps ;
M: x86 %unsigned-pack-vector
[ two-operand ] keep
unsign-rep {
{ int-4-rep [ PACKUSDW ] }
{ short-8-rep [ PACKUSWB ] }
} case ;
M: x86 %unsigned-pack-vector-reps
{
{ sse2? { short-8-rep } }
{ sse4.1? { int-4-rep } }
} available-reps ;
M: x86 %tail>head-vector ( dst src rep -- )
dup {
{ float-4-rep [ drop UNPCKHPD ] }
{ double-2-rep [ drop UNPCKHPD ] }
[ drop [ %copy ] [ drop PUNPCKHQDQ ] 3bi ]
} case ;
M: x86 %unpack-vector-head ( dst src rep -- )
{
{ char-16-rep [ PMOVSXBW ] }
{ uchar-16-rep [ PMOVZXBW ] }
{ short-8-rep [ PMOVSXWD ] }
{ ushort-8-rep [ PMOVZXWD ] }
{ int-4-rep [ PMOVSXDQ ] }
{ uint-4-rep [ PMOVZXDQ ] }
{ float-4-rep [ CVTPS2PD ] }
} case ;
M: x86 %unpack-vector-head-reps ( -- reps )
{
{ sse2? { float-4-rep } }
{ sse4.1? { char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep } }
} available-reps ;
M: x86 %integer>float-vector ( dst src rep -- )
{
{ int-4-rep [ CVTDQ2PS ] }
} case ;
M: x86 %integer>float-vector-reps
{
{ sse2? { int-4-rep } }
} available-reps ;
M: x86 %float>integer-vector ( dst src rep -- )
{
{ float-4-rep [ CVTTPS2DQ ] }
} case ;
M: x86 %float>integer-vector-reps
{
{ sse2? { float-4-rep } }
} available-reps ;
: (%compare-float-vector) ( dst src rep double single -- )
[ double-2-rep eq? ] 2dip if ; inline
: %compare-float-vector ( dst src rep cc -- )
{
{ cc< [ [ CMPLTPD ] [ CMPLTPS ] (%compare-float-vector) ] }
{ cc<= [ [ CMPLEPD ] [ CMPLEPS ] (%compare-float-vector) ] }
{ cc= [ [ CMPEQPD ] [ CMPEQPS ] (%compare-float-vector) ] }
{ cc<>= [ [ CMPORDPD ] [ CMPORDPS ] (%compare-float-vector) ] }
{ cc/< [ [ CMPNLTPD ] [ CMPNLTPS ] (%compare-float-vector) ] }
{ cc/<= [ [ CMPNLEPD ] [ CMPNLEPS ] (%compare-float-vector) ] }
{ cc/= [ [ CMPNEQPD ] [ CMPNEQPS ] (%compare-float-vector) ] }
{ cc/<>= [ [ CMPUNORDPD ] [ CMPUNORDPS ] (%compare-float-vector) ] }
} case ;
:: (%compare-int-vector) ( dst src rep int64 int32 int16 int8 -- )
rep unsign-rep :> rep'
dst src rep' {
{ longlong-2-rep [ int64 call ] }
{ int-4-rep [ int32 call ] }
{ short-8-rep [ int16 call ] }
{ char-16-rep [ int8 call ] }
} case ; inline
: %compare-int-vector ( dst src rep cc -- )
{
{ cc= [ [ PCMPEQQ ] [ PCMPEQD ] [ PCMPEQW ] [ PCMPEQB ] (%compare-int-vector) ] }
{ cc> [ [ PCMPGTQ ] [ PCMPGTD ] [ PCMPGTW ] [ PCMPGTB ] (%compare-int-vector) ] }
} case ;
M: x86 %compare-vector ( dst src1 src2 rep cc -- )
[ [ two-operand ] keep ] dip
over float-vector-rep?
[ %compare-float-vector ]
[ %compare-int-vector ] if ;
: %compare-vector-eq-reps ( -- reps )
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep } }
{ sse4.1? { longlong-2-rep ulonglong-2-rep } }
} available-reps ;
: %compare-vector-ord-reps ( -- reps )
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep short-8-rep int-4-rep } }
{ sse4.2? { longlong-2-rep } }
} available-reps ;
M: x86 %compare-vector-reps
{
{ [ dup { cc= cc/= cc/<>= cc<>= } member-eq? ] [ drop %compare-vector-eq-reps ] }
[ drop %compare-vector-ord-reps ]
} cond ;
: %compare-float-vector-ccs ( cc -- ccs not? )
{
{ cc< [ { { cc< f } } f ] }
{ cc<= [ { { cc<= f } } f ] }
{ cc> [ { { cc< t } } f ] }
{ cc>= [ { { cc<= t } } f ] }
{ cc= [ { { cc= f } } f ] }
{ cc<> [ { { cc< f } { cc< t } } f ] }
{ cc<>= [ { { cc<>= f } } f ] }
{ cc/< [ { { cc/< f } } f ] }
{ cc/<= [ { { cc/<= f } } f ] }
{ cc/> [ { { cc/< t } } f ] }
{ cc/>= [ { { cc/<= t } } f ] }
{ cc/= [ { { cc/= f } } f ] }
{ cc/<> [ { { cc/= f } { cc/<>= f } } f ] }
{ cc/<>= [ { { cc/<>= f } } f ] }
} case ;
: %compare-int-vector-ccs ( cc -- ccs not? )
order-cc {
{ cc< [ { { cc> t } } f ] }
{ cc<= [ { { cc> f } } t ] }
{ cc> [ { { cc> f } } f ] }
{ cc>= [ { { cc> t } } t ] }
{ cc= [ { { cc= f } } f ] }
{ cc/= [ { { cc= f } } t ] }
{ t [ { } t ] }
{ f [ { } f ] }
} case ;
M: x86 %compare-vector-ccs
swap float-vector-rep?
[ %compare-float-vector-ccs ]
[ %compare-int-vector-ccs ] if ;
:: %test-vector-mask ( dst temp mask vcc -- )
vcc {
{ vcc-any [ dst dst TEST dst temp \ CMOVNE %boolean ] }
{ vcc-none [ dst dst TEST dst temp \ CMOVE %boolean ] }
{ vcc-all [ dst mask CMP dst temp \ CMOVE %boolean ] }
{ vcc-notall [ dst mask CMP dst temp \ CMOVNE %boolean ] }
} case ;
: %move-vector-mask ( dst src rep -- mask )
{
{ double-2-rep [ MOVMSKPS HEX: f ] }
{ float-4-rep [ MOVMSKPS HEX: f ] }
[ drop PMOVMSKB HEX: ffff ]
} case ;
M:: x86 %test-vector ( dst src temp rep vcc -- )
dst src rep %move-vector-mask :> mask
dst temp mask vcc %test-vector-mask ;
:: %test-vector-mask-branch ( label temp mask vcc -- )
vcc {
{ vcc-any [ temp temp TEST label JNE ] }
{ vcc-none [ temp temp TEST label JE ] }
{ vcc-all [ temp mask CMP label JE ] }
{ vcc-notall [ temp mask CMP label JNE ] }
} case ;
M:: x86 %test-vector-branch ( label src temp rep vcc -- )
temp src rep %move-vector-mask :> mask
label temp mask vcc %test-vector-mask-branch ;
M: x86 %test-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %add-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ float-4-rep [ ADDPS ] }
{ double-2-rep [ ADDPD ] }
{ char-16-rep [ PADDB ] }
{ uchar-16-rep [ PADDB ] }
{ short-8-rep [ PADDW ] }
{ ushort-8-rep [ PADDW ] }
{ int-4-rep [ PADDD ] }
{ uint-4-rep [ PADDD ] }
{ longlong-2-rep [ PADDQ ] }
{ ulonglong-2-rep [ PADDQ ] }
} case ;
M: x86 %add-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %saturated-add-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ char-16-rep [ PADDSB ] }
{ uchar-16-rep [ PADDUSB ] }
{ short-8-rep [ PADDSW ] }
{ ushort-8-rep [ PADDUSW ] }
} case ;
M: x86 %saturated-add-vector-reps
{
{ sse2? { char-16-rep uchar-16-rep short-8-rep ushort-8-rep } }
} available-reps ;
M: x86 %add-sub-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ float-4-rep [ ADDSUBPS ] }
{ double-2-rep [ ADDSUBPD ] }
} case ;
M: x86 %add-sub-vector-reps
{
{ sse3? { float-4-rep double-2-rep } }
} available-reps ;
M: x86 %sub-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ float-4-rep [ SUBPS ] }
{ double-2-rep [ SUBPD ] }
{ char-16-rep [ PSUBB ] }
{ uchar-16-rep [ PSUBB ] }
{ short-8-rep [ PSUBW ] }
{ ushort-8-rep [ PSUBW ] }
{ int-4-rep [ PSUBD ] }
{ uint-4-rep [ PSUBD ] }
{ longlong-2-rep [ PSUBQ ] }
{ ulonglong-2-rep [ PSUBQ ] }
} case ;
M: x86 %sub-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %saturated-sub-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ char-16-rep [ PSUBSB ] }
{ uchar-16-rep [ PSUBUSB ] }
{ short-8-rep [ PSUBSW ] }
{ ushort-8-rep [ PSUBUSW ] }
} case ;
M: x86 %saturated-sub-vector-reps
{
{ sse2? { char-16-rep uchar-16-rep short-8-rep ushort-8-rep } }
} available-reps ;
M: x86 %mul-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ float-4-rep [ MULPS ] }
{ double-2-rep [ MULPD ] }
{ short-8-rep [ PMULLW ] }
{ ushort-8-rep [ PMULLW ] }
{ int-4-rep [ PMULLD ] }
{ uint-4-rep [ PMULLD ] }
} case ;
M: x86 %mul-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep short-8-rep ushort-8-rep } }
{ sse4.1? { int-4-rep uint-4-rep } }
} available-reps ;
M: x86 %div-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ float-4-rep [ DIVPS ] }
{ double-2-rep [ DIVPD ] }
} case ;
M: x86 %div-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep } }
} available-reps ;
M: x86 %min-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ char-16-rep [ PMINSB ] }
{ uchar-16-rep [ PMINUB ] }
{ short-8-rep [ PMINSW ] }
{ ushort-8-rep [ PMINUW ] }
{ int-4-rep [ PMINSD ] }
{ uint-4-rep [ PMINUD ] }
{ float-4-rep [ MINPS ] }
{ double-2-rep [ MINPD ] }
} case ;
M: x86 %min-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { uchar-16-rep short-8-rep double-2-rep } }
{ sse4.1? { char-16-rep ushort-8-rep int-4-rep uint-4-rep } }
} available-reps ;
M: x86 %max-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ char-16-rep [ PMAXSB ] }
{ uchar-16-rep [ PMAXUB ] }
{ short-8-rep [ PMAXSW ] }
{ ushort-8-rep [ PMAXUW ] }
{ int-4-rep [ PMAXSD ] }
{ uint-4-rep [ PMAXUD ] }
{ float-4-rep [ MAXPS ] }
{ double-2-rep [ MAXPD ] }
} case ;
M: x86 %max-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { uchar-16-rep short-8-rep double-2-rep } }
{ sse4.1? { char-16-rep ushort-8-rep int-4-rep uint-4-rep } }
} available-reps ;
M: x86 %dot-vector
[ two-operand ] keep
{
{ float-4-rep [
sse4.1?
[ HEX: ff DPPS ]
[ [ MULPS ] [ drop dup float-4-rep %horizontal-add-vector ] 2bi ]
if
] }
{ double-2-rep [
sse4.1?
[ HEX: ff DPPD ]
[ [ MULPD ] [ drop dup double-2-rep %horizontal-add-vector ] 2bi ]
if
] }
} case ;
M: x86 %dot-vector-reps
{
{ sse3? { float-4-rep double-2-rep } }
} available-reps ;
M: x86 %horizontal-add-vector ( dst src rep -- )
{
{ float-4-rep [ [ float-4-rep %copy ] [ HADDPS ] [ HADDPS ] 2tri ] }
{ double-2-rep [ [ double-2-rep %copy ] [ HADDPD ] 2bi ] }
} case ;
M: x86 %horizontal-add-vector-reps
{
{ sse3? { float-4-rep double-2-rep } }
} available-reps ;
M: x86 %horizontal-shl-vector-imm ( dst src1 src2 rep -- )
two-operand PSLLDQ ;
M: x86 %horizontal-shl-vector-imm-reps
{
{ sse2? { char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %horizontal-shr-vector-imm ( dst src1 src2 rep -- )
two-operand PSRLDQ ;
M: x86 %horizontal-shr-vector-imm-reps
{
{ sse2? { char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %abs-vector ( dst src rep -- )
{
{ char-16-rep [ PABSB ] }
{ short-8-rep [ PABSW ] }
{ int-4-rep [ PABSD ] }
} case ;
M: x86 %abs-vector-reps
{
{ ssse3? { char-16-rep short-8-rep int-4-rep } }
} available-reps ;
M: x86 %sqrt-vector ( dst src rep -- )
{
{ float-4-rep [ SQRTPS ] }
{ double-2-rep [ SQRTPD ] }
} case ;
M: x86 %sqrt-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep } }
} available-reps ;
M: x86 %and-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ float-4-rep [ ANDPS ] }
{ double-2-rep [ ANDPS ] }
[ drop PAND ]
} case ;
M: x86 %and-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %andn-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ float-4-rep [ ANDNPS ] }
{ double-2-rep [ ANDNPS ] }
[ drop PANDN ]
} case ;
M: x86 %andn-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %or-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ float-4-rep [ ORPS ] }
{ double-2-rep [ ORPS ] }
[ drop POR ]
} case ;
M: x86 %or-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %xor-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ float-4-rep [ XORPS ] }
{ double-2-rep [ XORPS ] }
[ drop PXOR ]
} case ;
M: x86 %xor-vector-reps
{
{ sse? { float-4-rep } }
{ sse2? { double-2-rep char-16-rep uchar-16-rep short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %shl-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ short-8-rep [ PSLLW ] }
{ ushort-8-rep [ PSLLW ] }
{ int-4-rep [ PSLLD ] }
{ uint-4-rep [ PSLLD ] }
{ longlong-2-rep [ PSLLQ ] }
{ ulonglong-2-rep [ PSLLQ ] }
} case ;
M: x86 %shl-vector-reps
{
{ sse2? { short-8-rep ushort-8-rep int-4-rep uint-4-rep longlong-2-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %shr-vector ( dst src1 src2 rep -- )
[ two-operand ] keep
{
{ short-8-rep [ PSRAW ] }
{ ushort-8-rep [ PSRLW ] }
{ int-4-rep [ PSRAD ] }
{ uint-4-rep [ PSRLD ] }
{ ulonglong-2-rep [ PSRLQ ] }
} case ;
M: x86 %shr-vector-reps
{
{ sse2? { short-8-rep ushort-8-rep int-4-rep uint-4-rep ulonglong-2-rep } }
} available-reps ;
M: x86 %shl-vector-imm %shl-vector ;
M: x86 %shl-vector-imm-reps %shl-vector-reps ;
M: x86 %shr-vector-imm %shr-vector ;
M: x86 %shr-vector-imm-reps %shr-vector-reps ;
: scalar-sized-reg ( reg rep -- reg' )
rep-size 8 * n-bit-version-of ;
M: x86 %integer>scalar drop MOVD ;
M:: x86 %scalar>integer ( dst src rep -- )
rep {
{ int-scalar-rep [
dst 32-bit-version-of src MOVD
dst dst 32-bit-version-of
2dup eq? [ 2drop ] [ MOVSX ] if
] }
{ uint-scalar-rep [
dst 32-bit-version-of src MOVD
] }
{ short-scalar-rep [
dst 32-bit-version-of src MOVD
dst dst 16-bit-version-of MOVSX
] }
{ ushort-scalar-rep [
dst 32-bit-version-of src MOVD
dst dst 16-bit-version-of MOVZX
] }
{ char-scalar-rep [
dst 32-bit-version-of src MOVD
dst { } 8 [| tmp-dst |
tmp-dst dst int-rep %copy
tmp-dst tmp-dst 8-bit-version-of MOVSX
dst tmp-dst int-rep %copy
] with-small-register
] }
{ uchar-scalar-rep [
dst 32-bit-version-of src MOVD
dst { } 8 [| tmp-dst |
tmp-dst dst int-rep %copy
tmp-dst tmp-dst 8-bit-version-of MOVZX
dst tmp-dst int-rep %copy
] with-small-register
] }
} case ;
M: x86 %vector>scalar %copy ;
M: x86 %scalar>vector %copy ;
M:: x86 %spill ( src rep dst -- ) dst src rep %copy ;
M:: x86 %reload ( dst rep src -- ) dst src rep %copy ;
M: x86 %loop-entry 16 code-alignment [ NOP ] times ;
M:: x86 %save-context ( temp1 temp2 callback-allowed? -- )
#! Save Factor stack pointers in case the C code calls a
#! callback which does a GC, which must reliably trace
#! all roots.
temp1 "stack_chain" %vm-field-ptr
temp1 temp1 [] MOV
temp2 stack-reg cell neg [+] LEA
temp1 [] temp2 MOV
callback-allowed? [
temp1 2 cells [+] ds-reg MOV
temp1 3 cells [+] rs-reg MOV
] when ;
M: x86 value-struct? drop t ;
M: x86 immediate-arithmetic? ( n -- ? )
HEX: -80000000 HEX: 7fffffff between? ;
M: x86 immediate-bitwise? ( n -- ? )
HEX: -80000000 HEX: 7fffffff between? ;
: next-stack@ ( n -- operand )
#! nth parameter from the next stack frame. Used to box
#! input values to callbacks; the callback has its own
#! stack frame set up, and we want to read the frame
#! set up by the caller.
stack-frame get total-size>> + stack@ ;
enable-simd
enable-min/max
enable-fixnum-log2
:: install-sse2-check ( -- )
[
sse-version 20 < [
"This image was built to use SSE2 but your CPU does not support it." print
"You will need to bootstrap Factor again." print
flush
1 exit
] when
] "cpu.x86" add-startup-hook ;
: enable-sse2 ( version -- )
20 >= [
enable-float-intrinsics
enable-float-functions
enable-float-min/max
enable-fsqrt
install-sse2-check
] when ;
: check-sse ( -- )
[ { sse_version } compile ] with-optimizer
"Checking for multimedia extensions: " write sse-version
[ sse-string write " detected" print ] [ enable-sse2 ] bi ;