Fix negation operation (rust-lang#108)

antoyo · web-flow · commit ebe6f6785c5f · 2021-10-31T14:27:52.000-04:00
diff --git a/src/builder.rs b/src/builder.rs
@@ -623,8 +623,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
     }
 
     fn neg(&mut self, a: RValue<'gcc>) -> RValue<'gcc> {
-        // TODO(antoyo): use new_unary_op()?
-        self.cx.context.new_rvalue_from_long(a.get_type(), 0) - a
+        self.cx.context.new_unary_op(None, UnaryOp::Minus, a.get_type(), a)
     }
 
     fn fneg(&mut self, a: RValue<'gcc>) -> RValue<'gcc> {

Original file line number	Diff line number	Diff line change
`@@ -623,8 +623,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {`
`623`	`623`	`}`
`624`	`624`
`625`	`625`	`fn neg(&mut self, a: RValue<'gcc>) -> RValue<'gcc> {`
`626`		`- // TODO(antoyo): use new_unary_op()?`
`627`		`- self.cx.context.new_rvalue_from_long(a.get_type(), 0) - a`
	`626`	`+ self.cx.context.new_unary_op(None, UnaryOp::Minus, a.get_type(), a)`
`628`	`627`	`}`
`629`	`628`
`630`	`629`	`fn fneg(&mut self, a: RValue<'gcc>) -> RValue<'gcc> {`