Turn ArgAbi::pad into a bool.

nnethercote · nnethercote · commit d83636d3fac0 · 2022-08-26T10:53:41.000+10:00
Because it's only ever set to `None` or `Some(Reg::i32())`.
diff --git a/src/abi.rs b/src/abi.rs
@@ -126,8 +126,8 @@ impl<'gcc, 'tcx> FnAbiGccExt<'gcc, 'tcx> for FnAbi<'tcx, Ty<'tcx>> {
 
         for arg in self.args.iter() {
             // add padding
-            if let Some(ty) = arg.pad {
-                argument_tys.push(ty.gcc_type(cx));
+            if arg.pad_i32 {
+                argument_tys.push(Reg::i32().gcc_type(cx));
             }
 
             let arg_ty = match arg.mode {

Original file line number	Diff line number	Diff line change
`@@ -126,8 +126,8 @@ impl<'gcc, 'tcx> FnAbiGccExt<'gcc, 'tcx> for FnAbi<'tcx, Ty<'tcx>> {`
`126`	`126`
`127`	`127`	`for arg in self.args.iter() {`
`128`	`128`	`// add padding`
`129`		`- if let Some(ty) = arg.pad {`
`130`		`- argument_tys.push(ty.gcc_type(cx));`
	`129`	`+ if arg.pad_i32 {`
	`130`	`+ argument_tys.push(Reg::i32().gcc_type(cx));`
`131`	`131`	`}`
`132`	`132`
`133`	`133`	`let arg_ty = match arg.mode {`