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bad-reg.rs

Rust asm! inline assembly macro

SHA-2560c78f8299b5f2e17d7b1176c6dabf837557edfa4140cebfc907bd63d82a72187

MaleculeH(Mg)

Evidence

Rust asm! inline assembly macro lines 5–23

⋯5 lines
10
11extern crate minicore;
12use minicore::*;
13
14fn main() {
15    let mut foo = 0;
16    let mut bar = 0;
17    unsafe {
18        // Bad register/register class
19
20        asm!("{}", in(foo) foo);
21        //~^ ERROR invalid register class `foo`: unknown register class
22        asm!("", in("foo") foo);
23    …

English function-word token "for" lines 25–27

2…        //~^ ERROR invalid asm template modifier for this register class
      asm!("{:r}", in(xmm_reg) foo);
      //~^ ERROR invalid asm template m …

English function-word token "the" lines 32–35

29… oo);
      //~^ ERROR invalid register `ebp`: the frame pointer cannot be used as an operand
      asm!("", in("rsp") foo);
      //~^ ERROR  …

English function-word token "and" lines 39–41

29… e register `bl`: rbx is used internally by LLVM and cannot be used as an operand for inline asm
      asm!("", in("bh") foo);
      //~^ ERROR  …

English function-word token "with" lines 44–47

94…  output
      //~| ERROR `i32` cannot be used with this register class
      asm!("", in("mm0") foo);
      //~^ ERROR register class `mmx_reg …