From: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Date: Wed, 23 Jul 2025 12:40:46 +0000 (+0200)
Subject: gccrs: Add indexed positional argument support in asm
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=75a24412545f6bd04547948cd0bd353ce912e5c5;p=thirdparty%2Fgcc.git

gccrs: Add indexed positional argument support in asm

gcc/rust/ChangeLog:

	* expand/rust-macro-builtins-asm.cc (expand_inline_asm_strings): Handle
	transformation for indexed positional arguments.

Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
---

diff --git a/gcc/rust/expand/rust-macro-builtins-asm.cc b/gcc/rust/expand/rust-macro-builtins-asm.cc
index 850c8ddb753..7b2cf708445 100644
--- a/gcc/rust/expand/rust-macro-builtins-asm.cc
+++ b/gcc/rust/expand/rust-macro-builtins-asm.cc
@@ -819,6 +819,11 @@ expand_inline_asm_strings (InlineAsmContext inline_asm_ctx)
 		  }
 		  break;
 		case Fmt::ffi::Position::Tag::ArgumentIs:
+		  {
+		    auto idx = next_argument.position.argument_is._0;
+		    transformed_template_str += "%" + std::to_string (idx);
+		    break;
+		  }
 		case Fmt::ffi::Position::Tag::ArgumentNamed:
 		  rust_sorry_at (inline_asm.get_locus (),
 				 "unhandled argument position specifier");