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enforce integer division via explicit builtins

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Valdemar Høgsvig Lorenzen
2026-07-13 11:39:06 +02:00
parent a4d0fb1e26
commit 2ed333c70d
13 changed files with 1004 additions and 98 deletions
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compiler/lower/lower.odin
+8 -1
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@@ -681,7 +681,8 @@ lower_expr :: proc(state: ^State, expr_id: hir.Expr_Id) -> ir.Instruction_Id {
case .Negate:
stack[frame_index].stage = 5
append(&stack, Lower_Expr_Frame{expr=expr.left})
case .Add, .Sub, .Mul, .Div, .Pointer_Add:
case .Add, .Sub, .Mul, .Div, .Div_Trunc, .Div_Floor, .Div_Exact, .Div_Ceil,
.Rem, .Mod, .Pointer_Add:
stack[frame_index].stage = 2
append(&stack, Lower_Expr_Frame{expr=expr.left})
case .Call:
@@ -760,6 +761,12 @@ lower_expr :: proc(state: ^State, expr_id: hir.Expr_Id) -> ir.Instruction_Id {
case .Sub: op = .Sub_Checked
case .Mul: op = .Mul_Checked
case .Div: op = .Div_Checked
case .Div_Trunc: op = .Div_Trunc_Checked
case .Div_Floor: op = .Div_Floor_Checked
case .Div_Exact: op = .Div_Exact_Checked
case .Div_Ceil: op = .Div_Ceil_Checked
case .Rem: op = .Rem_Checked
case .Mod: op = .Mod_Checked
case .Pointer_Add: op = .Pointer_Add
}
last = append_instruction(state, ir.Instruction{