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atomic Load/Store

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This commit is contained in:
xushiwei
2024-06-16 16:35:46 +08:00
parent fbd15a81b4
commit 340b5bd165
9 changed files with 236 additions and 156 deletions
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47
cl/compile.go
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@@ -318,18 +318,21 @@ var llgoInstrs = map[string]int{
"deferData": llgoDeferData,
"unreachable": llgoUnreachable,
"atomicLoad": llgoAtomicLoad,
"atomicStore": llgoAtomicStore,
"atomicCmpXchg": llgoAtomicCmpXchg,
"atomicXchg": int(llgoAtomicXchg),
"atomicAdd": int(llgoAtomicAdd),
"atomicSub": int(llgoAtomicSub),
"atomicAnd": int(llgoAtomicAnd),
"atomicNand": int(llgoAtomicNand),
"atomicOr": int(llgoAtomicOr),
"atomicXor": int(llgoAtomicXor),
"atomicMax": int(llgoAtomicMax),
"atomicMin": int(llgoAtomicMin),
"atomicUMax": int(llgoAtomicUMax),
"atomicUMin": int(llgoAtomicUMin),
"atomicXchg": int(llgoAtomicXchg),
"atomicAdd": int(llgoAtomicAdd),
"atomicSub": int(llgoAtomicSub),
"atomicAnd": int(llgoAtomicAnd),
"atomicNand": int(llgoAtomicNand),
"atomicOr": int(llgoAtomicOr),
"atomicXor": int(llgoAtomicXor),
"atomicMax": int(llgoAtomicMax),
"atomicMin": int(llgoAtomicMin),
"atomicUMax": int(llgoAtomicUMax),
"atomicUMin": int(llgoAtomicUMin),
}
// funcOf returns a function by name and set ftype = goFunc, cFunc, etc.
@@ -564,6 +567,24 @@ func (p *context) atomic(b llssa.Builder, op llssa.AtomicOp, args []ssa.Value) (
panic("atomicOp(addr *T, val T) T: invalid arguments")
}
func (p *context) atomicLoad(b llssa.Builder, args []ssa.Value) llssa.Expr {
if len(args) == 1 {
addr := p.compileValue(b, args[0])
return b.Load(addr).SetOrdering(llssa.OrderingSeqConsistent)
}
panic("atomicLoad(addr *T) T: invalid arguments")
}
func (p *context) atomicStore(b llssa.Builder, args []ssa.Value) {
if len(args) == 2 {
addr := p.compileValue(b, args[0])
val := p.compileValue(b, args[1])
b.Store(addr, val).SetOrdering(llssa.OrderingSeqConsistent)
return
}
panic("atomicStore(addr *T, val T) T: invalid arguments")
}
func (p *context) atomicCmpXchg(b llssa.Builder, args []ssa.Value) llssa.Expr {
if len(args) == 3 {
addr := p.compileValue(b, args[0])
@@ -677,6 +698,10 @@ func (p *context) call(b llssa.Builder, act llssa.DoAction, call *ssa.CallCommon
ret = p.allocaCStr(b, args)
case llgoStringData:
ret = p.stringData(b, args)
case llgoAtomicLoad:
ret = p.atomicLoad(b, args)
case llgoAtomicStore:
p.atomicStore(b, args)
case llgoAtomicCmpXchg:
ret = p.atomicCmpXchg(b, args)
case llgoSigsetjmp: