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windows: add windows/386 support

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This commit is contained in:
Ayke van Laethem
2024-11-22 15:17:37 +01:00
parent fdf075a7f9
commit e95d56f749
12 changed files with 136 additions and 34 deletions
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compiler/llvm.go
+15
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@@ -452,6 +452,21 @@ func (b *builder) readStackPointer() llvm.Value {
return b.CreateCall(stacksave.GlobalValueType(), stacksave, nil, "")
}
// writeStackPointer emits a LLVM intrinsic call that updates the current stack
// pointer.
func (b *builder) writeStackPointer(sp llvm.Value) {
name := "llvm.stackrestore.p0"
if llvmutil.Version() < 18 {
name = "llvm.stackrestore" // backwards compatibility with LLVM 17 and below
}
stackrestore := b.mod.NamedFunction(name)
if stackrestore.IsNil() {
fnType := llvm.FunctionType(b.ctx.VoidType(), []llvm.Type{b.dataPtrType}, false)
stackrestore = llvm.AddFunction(b.mod, name, fnType)
}
b.CreateCall(stackrestore.GlobalValueType(), stackrestore, []llvm.Value{sp}, "")
}
// createZExtOrTrunc lets the input value fit in the output type bits, by zero
// extending or truncating the integer.
func (b *builder) createZExtOrTrunc(value llvm.Value, t llvm.Type) llvm.Value {