From 1805e5fb487fb3d1e6b8dc71b3983ac91b62c511 Mon Sep 17 00:00:00 2001 From: Amanieu d'Antras Date: Tue, 3 Nov 2015 15:19:46 +0000 Subject: [PATCH] Allow indirect operands to be used as inputs for inline asm --- src/libsyntax/ext/asm.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/libsyntax/ext/asm.rs b/src/libsyntax/ext/asm.rs index 984e73f85f6..bdfbb7a4933 100644 --- a/src/libsyntax/ext/asm.rs +++ b/src/libsyntax/ext/asm.rs @@ -139,9 +139,9 @@ pub fn expand_asm<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree]) let (constraint, _str_style) = panictry!(p.parse_str()); - if constraint.starts_with("=") { + if constraint.starts_with("=") && !constraint.contains("*") { cx.span_err(p.last_span, "input operand constraint contains '='"); - } else if constraint.starts_with("+") { + } else if constraint.starts_with("+") && !constraint.contains("*") { cx.span_err(p.last_span, "input operand constraint contains '+'"); }