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Docs: stub docs for cpu.architecture

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Björn Lindqvist 2014-05-04 01:07:21 +02:00 committed by John Benediktsson
parent 3cd3ea35db
commit e2fe5ccfe8
2 changed files with 18 additions and 7 deletions
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18
basis/cpu/architecture/architecture-docs.factor Normal file
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@ -0,0 +1,18 @@
USING: help.markup help.syntax math ;
IN: cpu.architecture
HELP: immediate-arithmetic?
{ $values { "n" number } { "?" "a boolean" } }
{ $description
"Can this value be an immediate operand for " { $link %add-imm } ", "
{ $link %sub-imm } ", or " { $link %mul-imm } "?"
} ;
HELP: machine-registers
{ $description "Mapping from register class to machine registers." } ;
HELP: vm-stack-space
{ $description "Parameter space to reserve in anything making VM calls." } ;
HELP: complex-addressing?
{ $description "Specifies if " { $link %slot } ", " { $link %set-slot } " and " { $link %write-barrier } " accept the 'scale' and 'tag' parameters, and if %load-memory and %store-memory work." } ;

7
basis/cpu/architecture/architecture.factor
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@ -209,20 +209,15 @@ M: uint-4-rep scalar-rep-of drop uint-scalar-rep ;
M: longlong-2-rep scalar-rep-of drop longlong-scalar-rep ; M: longlong-2-rep scalar-rep-of drop longlong-scalar-rep ;
M: ulonglong-2-rep scalar-rep-of drop ulonglong-scalar-rep ; M: ulonglong-2-rep scalar-rep-of drop ulonglong-scalar-rep ;
! Mapping from register class to machine registers
HOOK: machine-registers cpu ( -- assoc ) HOOK: machine-registers cpu ( -- assoc )
! Callbacks are not allowed to clobber this ! Callbacks are not allowed to clobber this
HOOK: frame-reg cpu ( -- reg ) HOOK: frame-reg cpu ( -- reg )
! Parameter space to reserve in anything making VM calls
HOOK: vm-stack-space cpu ( -- n ) HOOK: vm-stack-space cpu ( -- n )
M: object vm-stack-space 0 ; M: object vm-stack-space 0 ;
! Specifies if %slot, %set-slot and %write-barrier accept the
! 'scale' and 'tag' parameters, and if %load-memory and
! %store-memory work
HOOK: complex-addressing? cpu ( -- ? ) HOOK: complex-addressing? cpu ( -- ? )
HOOK: gc-root-offset cpu ( spill-slot -- n ) HOOK: gc-root-offset cpu ( spill-slot -- n )
@ -528,8 +523,6 @@ HOOK: %loop-entry cpu ( -- )
! and %load-vector? ! and %load-vector?
HOOK: fused-unboxing? cpu ( -- ? ) HOOK: fused-unboxing? cpu ( -- ? )
! Can this value be an immediate operand for %add-imm, %sub-imm,
! or %mul-imm?
HOOK: immediate-arithmetic? cpu ( n -- ? ) HOOK: immediate-arithmetic? cpu ( n -- ? )
! Can this value be an immediate operand for %and-imm, %or-imm, ! Can this value be an immediate operand for %and-imm, %or-imm,