cli/q
Code Issues 1 Pull Requests Activity

Fixed incorrect register lifetime in for loops

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This commit is contained in:
Eduard Urbach
2025-03-09 17:51:24 +01:00
parent 947a8db937
commit 016938932f
4 changed files with 32 additions and 2 deletions
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3
src/asmc/compileX86.go
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@ -90,7 +90,8 @@ func (c *compiler) compileX86(x asm.Instruction) {
c.jump(x)
case asm.LABEL:
c.codeLabels[x.Data.(*asm.Label).Name] = Address(len(c.code))
label := x.Data.(*asm.Label)
c.codeLabels[label.Name] = Address(len(c.code))
case asm.LOAD:
c.load(x)

4
src/core/CompileFor.go
View File

@ -81,11 +81,13 @@ func (f *Function) CompileFor(loop *ast.For) error {
case *eval.Register:
if value.IsAlive() {
tmp := f.NewRegister()
f.RegisterRegister(asm.MOVE, tmp, value.Register)
defer f.FreeRegister(tmp)
f.RegisterRegister(asm.MOVE, tmp, value.Register)
f.AddLabel(label)
f.RegisterRegister(asm.COMPARE, counter, tmp)
} else {
f.UseRegister(value.Register)
defer f.FreeRegister(value.Register)
f.AddLabel(label)
f.RegisterRegister(asm.COMPARE, counter, value.Register)
}