| //@ add-core-stubs |
| //@ revisions: sparc sparcv8plus sparc64 |
| //@[sparc] compile-flags: --target sparc-unknown-none-elf |
| //@[sparc] needs-llvm-components: sparc |
| //@[sparcv8plus] compile-flags: --target sparc-unknown-linux-gnu |
| //@[sparcv8plus] needs-llvm-components: sparc |
| //@[sparc64] compile-flags: --target sparc64-unknown-linux-gnu |
| //@[sparc64] needs-llvm-components: sparc |
| //@ needs-asm-support |
| |
| #![crate_type = "rlib"] |
| #![feature(no_core, asm_experimental_arch)] |
| #![no_core] |
| |
| extern crate minicore; |
| use minicore::*; |
| |
| fn f() { |
| let mut x = 0; |
| unsafe { |
| // Unsupported registers |
| asm!("", out("g0") _); |
| //~^ ERROR invalid register `g0`: g0 is always zero and cannot be used as an operand for inline asm |
| // FIXME: see FIXME in compiler/rustc_target/src/asm/sparc.rs. |
| asm!("", out("g1") _); |
| //~^ ERROR invalid register `g1`: reserved by LLVM and cannot be used as an operand for inline asm |
| asm!("", out("g2") _); |
| asm!("", out("g3") _); |
| asm!("", out("g4") _); |
| asm!("", out("g5") _); |
| //[sparc,sparcv8plus]~^ ERROR cannot use register `r5`: g5 is reserved for system on SPARC32 |
| asm!("", out("g6") _); |
| //~^ ERROR invalid register `g6`: reserved for system and cannot be used as an operand for inline asm |
| asm!("", out("g7") _); |
| //~^ ERROR invalid register `g7`: reserved for system and cannot be used as an operand for inline asm |
| asm!("", out("sp") _); |
| //~^ ERROR invalid register `sp`: the stack pointer cannot be used as an operand for inline asm |
| asm!("", out("fp") _); |
| //~^ ERROR invalid register `fp`: the frame pointer cannot be used as an operand for inline asm |
| asm!("", out("i7") _); |
| //~^ ERROR invalid register `i7`: the return address register cannot be used as an operand for inline asm |
| |
| // Clobber-only registers |
| // yreg |
| asm!("", out("y") _); // ok |
| asm!("", in("y") x); |
| //~^ ERROR can only be used as a clobber |
| //~| ERROR type `i32` cannot be used with this register class |
| asm!("", out("y") x); |
| //~^ ERROR can only be used as a clobber |
| //~| ERROR type `i32` cannot be used with this register class |
| asm!("/* {} */", in(yreg) x); |
| //~^ ERROR can only be used as a clobber |
| //~| ERROR type `i32` cannot be used with this register class |
| asm!("/* {} */", out(yreg) _); |
| //~^ ERROR can only be used as a clobber |
| } |
| } |
