gccrs: Provide input operand for gccrs

gcc/rust/ChangeLog:

	* backend/rust-compile-asm.cc (CompileAsm::asm_construct_inputs):
	Provide input operand for gccrs
	* expand/rust-macro-builtins-asm.cc (parse_reg_operand_in):
	Move expr to In
	(expand_inline_asm_strings):
	Add comments to debug strings

gcc/testsuite/ChangeLog:

	* rust/compile/inline_asm_parse_operand.rs:
	Remove inout, functionality not supported. Remove redundant {}
	* rust/execute/torture/inline_asm_mov_x_5_ARM.rs: Add operand in
	* rust/execute/torture/inline_asm_mov_x_5_x86_64.rs: Likewise

1 files changed, 3 insertions, 3 deletions

diff --git a/gcc/testsuite/rust/compile/inline_asm_parse_operand.rs b/gcc/testsuite/rust/compile/inline_asm_parse_operand.rs
index e0efe1c..c7bc152 100644
--- a/gcc/testsuite/rust/compile/inline_asm_parse_operand.rs
+++ b/gcc/testsuite/rust/compile/inline_asm_parse_operand.rs
@@ -8,7 +8,7 @@ macro_rules! asm {
 fn main() -> i32 {
     unsafe {
         asm!(
-            "add {}, {}",
+            "add {}, 1",
             in(reg) 0
         );
     }
@@ -21,15 +21,15 @@ fn main() -> i32 {
     unsafe {
         asm!(
             "add {}, {}",
-            inout(reg) num1 =>_num1,
             in(reg) _num2,
+            out(reg) _num1,
         );
     }
 
     let mut _output_testing: u32 = 0;
     unsafe {
         asm!(
-            "add {}, {}",
+            "add {}, 1",
             in(reg) _num1,
             //out(reg) _,
         );