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update:extra alignment for structs only

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luoliwoshang
2024-07-11 21:16:50 +08:00
parent 88cfeb2791
commit 861551b2ba
1 changed files with 5 additions and 1 deletions
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6
ssa/type.go
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@@ -114,7 +114,11 @@ func (p *goProgram) Offsetsof(fields []*types.Var) (ret []int64) {
func (p *goProgram) Sizeof(T types.Type) int64 { func (p *goProgram) Sizeof(T types.Type) int64 {
prog := Program(p) prog := Program(p)
ptrSize := int64(prog.PointerSize()) ptrSize := int64(prog.PointerSize())
return align((prog.sizes.Sizeof(T) + extraSize(T, ptrSize)), prog.sizes.Alignof(T)) baseSize := prog.sizes.Sizeof(T) + extraSize(T, ptrSize)
if _, ok := T.Underlying().(*types.Struct); ok {
return align(baseSize, prog.sizes.Alignof(T))
}
return baseSize
} }
func extraSize(t types.Type, ptrSize int64) (ret int64) { func extraSize(t types.Type, ptrSize int64) (ret int64) {