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Simpler write barrier, upate PowerPC write barrier

db4
Slava Pestov 2008-05-08 17:30:33 -05:00
parent 2148c5eb6c
commit 793c58f7a2
2 changed files with 12 additions and 1 deletions
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11
core/cpu/ppc/intrinsics/intrinsics.factor
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@ -56,14 +56,25 @@ IN: cpu.ppc.intrinsics
: load-cards-offset ( dest -- )
"cards_offset" f pick %load-dlsym dup 0 LWZ ;
: load-decks-offset ( dest -- )
"decks_offset" f pick %load-dlsym dup 0 LWZ ;
: %write-barrier ( -- )
"val" get operand-immediate? "obj" get fresh-object? or [
! Mark the card
"obj" operand "scratch" operand card-bits SRWI
"val" operand load-cards-offset
"scratch" operand dup "val" operand ADD
"val" operand "scratch" operand 0 LBZ
"val" operand dup card-mark ORI
"val" operand "scratch" operand 0 STB
! Mark the card deck
"obj" operand "scratch" operand deck-bits SRWI
"val" operand load-decks-offset
"scratch" operand dup "val" operand ADD
card-mark "val" operand LI
"val" operand "scratch" operand 0 STB
] unless ;
\ set-slot {

2
core/cpu/x86/intrinsics/intrinsics.factor
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@ -71,7 +71,7 @@ IN: cpu.x86.intrinsics
! Mark the card deck
"obj" operand deck-bits card-bits - SHR
"decks_offset" f temp-reg v>operand %alien-global
temp-reg v>operand "obj" operand [+] card-mark OR
temp-reg v>operand "obj" operand [+] card-mark MOV
] unless ;
\ set-slot {