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Clarify error message when both asm! and global_asm! are unsupported

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This commit is contained in:
Amanieu d'Antras 2021-04-26 19:49:26 +01:00
parent 0df83f8e5e
commit bb6bec1d55
3 changed files with 6 additions and 5 deletions
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3
compiler/rustc_ast_lowering/src/asm.rs
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@ -15,7 +15,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
// lowering the register contraints in this case. // lowering the register contraints in this case.
let asm_arch = if self.sess.opts.actually_rustdoc { None } else { self.sess.asm_arch }; let asm_arch = if self.sess.opts.actually_rustdoc { None } else { self.sess.asm_arch };
if asm_arch.is_none() && !self.sess.opts.actually_rustdoc { if asm_arch.is_none() && !self.sess.opts.actually_rustdoc {
struct_span_err!(self.sess, sp, E0472, "asm! is unsupported on this target").emit(); struct_span_err!(self.sess, sp, E0472, "inline assembly is unsupported on this target")
.emit();
} }
if asm.options.contains(InlineAsmOptions::ATT_SYNTAX) if asm.options.contains(InlineAsmOptions::ATT_SYNTAX)
&& !matches!(asm_arch, Some(asm::InlineAsmArch::X86 | asm::InlineAsmArch::X86_64)) && !matches!(asm_arch, Some(asm::InlineAsmArch::X86 | asm::InlineAsmArch::X86_64))

4
src/test/ui/asm/bad-arch.rs
View file

@ -18,9 +18,9 @@ trait Sized {}
fn main() { fn main() {
unsafe { unsafe {
asm!(""); asm!("");
//~^ ERROR asm! is unsupported on this target //~^ ERROR inline assembly is unsupported on this target
} }
} }
global_asm!(""); global_asm!("");
//~^ ERROR asm! is unsupported on this target //~^ ERROR inline assembly is unsupported on this target

4
src/test/ui/asm/bad-arch.stderr
View file

@ -1,10 +1,10 @@
error[E0472]: asm! is unsupported on this target error[E0472]: inline assembly is unsupported on this target
--> $DIR/bad-arch.rs:20:9 --> $DIR/bad-arch.rs:20:9
| |
LL | asm!(""); LL | asm!("");
| ^^^^^^^^^ | ^^^^^^^^^
error[E0472]: asm! is unsupported on this target error[E0472]: inline assembly is unsupported on this target
--> $DIR/bad-arch.rs:25:1 --> $DIR/bad-arch.rs:25:1
| |
LL | global_asm!(""); LL | global_asm!("");