https://gcc.gnu.org/g:4894b1e6f2e44afda930322eb4ee487d53242dbc
commit r16-203-g4894b1e6f2e44afda930322eb4ee487d53242dbc
Author: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
Date: Wed Apr 9 17:41:24 2025 +0200
gccrs: Emit error with old asm syntax in new asm blocks
gcc/rust/ChangeLog:
* expand/rust-macro-builtins-asm.cc (parse_asm_arg): Emit error
message.
Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
Diff:
---
gcc/rust/expand/rust-macro-builtins-asm.cc | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/gcc/rust/expand/rust-macro-builtins-asm.cc
b/gcc/rust/expand/rust-macro-builtins-asm.cc
index 4d0260447761..97f7e3cff779 100644
--- a/gcc/rust/expand/rust-macro-builtins-asm.cc
+++ b/gcc/rust/expand/rust-macro-builtins-asm.cc
@@ -671,6 +671,14 @@ parse_asm_arg (InlineAsmContext inline_asm_ctx)
{
token = parser.peek_current_token ();
+ if (token->get_id () == COLON || token->get_id () == SCOPE_RESOLUTION)
+ {
+ rust_error_at (
+ token->get_locus (),
+ "the legacy LLVM-style %<asm!%> syntax is no longer supported");
+ return tl::unexpected<InlineAsmParseError> (COMMITTED);
+ }
+
// We accept a comma token here.
if (token->get_id () != COMMA
&& inline_asm_ctx.consumed_comma_without_formatted_string)
