zig

commit d604553ee0c32caa0632a01e263a34e31a95b2b3 (tree)
parent 1ba72bcf9a86060fc39117f89536a971ace620c4
Author: Andrew Kelley <andrew@ziglang.org>
Date:   Mon, 24 Apr 2023 18:03:48 -0700

C backend: use ++ instead of += for airMemset

It does the same thing but has fewer bytes in the output.

Diffstat:
M
src/codegen/c.zig
 | 
4
+---

1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/src/codegen/c.zig b/src/codegen/c.zig
@@ -6261,10 +6261,8 @@ fn airMemset(f: *Function, inst: Air.Inst.Index, safety: bool) !CValue {
             },
             .Many, .C => unreachable,
         }
-        try writer.writeAll("; ");
+        try writer.writeAll("; ++");
         try f.writeCValue(writer, index, .Other);
-        try writer.writeAll(" += ");
-        try f.object.dg.renderValue(writer, Type.usize, Value.one, .Other);
         try writer.writeAll(") ((");
         try f.renderType(writer, elem_ptr_ty);
         try writer.writeByte(')');