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runtime: convert lfstack to Go

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It is called from Go only in tests.

LGTM=khr
R=golang-codereviews, khr
CC=golang-codereviews, rlh, rsc
https://golang.org/cl/125610043
This commit is contained in:
Dmitriy Vyukov 2014-08-21 21:10:45 +04:00
parent 31e4ad5846
commit ae875e040c
2 changed files with 34 additions and 9 deletions
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27
src/pkg/runtime/export_test.go
View file

@ -6,6 +6,8 @@
package runtime
import "unsafe"
var Fadd64 = fadd64
var Fsub64 = fsub64
var Fmul64 = fmul64
@ -31,11 +33,28 @@ type LFNode struct {
Pushcnt uintptr
}
func lfstackpush_go(head *uint64, node *LFNode)
func lfstackpop_go(head *uint64) *LFNode
var (
lfstackpush_m,
lfstackpop_m mFunction
)
var LFStackPush = lfstackpush_go
var LFStackPop = lfstackpop_go
func LFStackPush(head *uint64, node *LFNode) {
mp := acquirem()
mp.ptrarg[0] = unsafe.Pointer(head)
mp.ptrarg[1] = unsafe.Pointer(node)
onM(&lfstackpush_m)
releasem(mp)
}
func LFStackPop(head *uint64) *LFNode {
mp := acquirem()
mp.ptrarg[0] = unsafe.Pointer(head)
onM(&lfstackpop_m)
node := (*LFNode)(unsafe.Pointer(mp.ptrarg[0]))
mp.ptrarg[0] = nil
releasem(mp)
return node
}
type ParFor struct {
body *byte