50 lines
1.4 KiB
Rust
50 lines
1.4 KiB
Rust
//@ needs-asm-support
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//@ ignore-nvptx64
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//@ ignore-spirv
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use std::arch::{asm, global_asm};
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// Const operands must be integers and must be constants.
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global_asm!("{}", const 0);
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global_asm!("{}", const 0i32);
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global_asm!("{}", const 0i128);
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global_asm!("{}", const 0f32);
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//~^ ERROR invalid type for `const` operand
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global_asm!("{}", const 0 as *mut u8);
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//~^ ERROR invalid type for `const` operand
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fn main() {
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unsafe {
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// Const operands must be integers and must be constants.
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asm!("{}", const 0);
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asm!("{}", const 0i32);
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asm!("{}", const 0i128);
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asm!("{}", const 0f32);
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//~^ ERROR invalid type for `const` operand
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asm!("{}", const 0 as *mut u8);
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//~^ ERROR invalid type for `const` operand
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asm!("{}", const &0);
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//~^ ERROR invalid type for `const` operand
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// Constants must be... constant
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let x = 0;
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const fn const_foo(x: i32) -> i32 {
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x
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}
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const fn const_bar<T>(x: T) -> T {
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x
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}
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asm!("{}", const x);
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//~^ ERROR attempt to use a non-constant value in a constant
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asm!("{}", const const_foo(0));
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asm!("{}", const const_foo(x));
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//~^ ERROR attempt to use a non-constant value in a constant
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asm!("{}", const const_bar(0));
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asm!("{}", const const_bar(x));
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//~^ ERROR attempt to use a non-constant value in a constant
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}
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}
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