30 строки
947 Б
Go
30 строки
947 Б
Go
package compiler
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import "go/types"
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// This file implements volatile loads/stores in runtime/volatile.LoadT and
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// runtime/volatile.StoreT as compiler builtins.
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// createVolatileLoad is the implementation of the intrinsic function
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// runtime/volatile.LoadT().
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func (b *builder) createVolatileLoad() {
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b.createFunctionStart(true)
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addr := b.getValue(b.fn.Params[0])
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b.createNilCheck(b.fn.Params[0], addr, "deref")
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valType := b.getLLVMType(b.fn.Params[0].Type().(*types.Pointer).Elem())
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val := b.CreateLoad(valType, addr, "")
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val.SetVolatile(true)
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b.CreateRet(val)
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}
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// createVolatileStore is the implementation of the intrinsic function
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// runtime/volatile.StoreT().
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func (b *builder) createVolatileStore() {
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b.createFunctionStart(true)
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addr := b.getValue(b.fn.Params[0])
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val := b.getValue(b.fn.Params[1])
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b.createNilCheck(b.fn.Params[0], addr, "deref")
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store := b.CreateStore(val, addr)
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store.SetVolatile(true)
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b.CreateRetVoid()
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}
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