bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

Rollup merge of #128570 - folkertdev:stabilize-asm-const, r=Amanieu

Browse source 
Stabilize `asm_const`

tracking issue: https://github.com/rust-lang/rust/issues/93332

reference PR: https://github.com/rust-lang/reference/pull/1556

this will probably require some CI wrangling (and a rebase), so let's get that over with even though the final required PR is not merged yet.

r? `@ghost`
This commit is contained in:
许杰友 Jieyou Xu (Joe) 2024-08-14 21:43:07 +08:00 • committed by GitHub
commit 196d256b20
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
43 changed files with 294 additions and 385 deletions
Download patch file Download diff file Expand all files Collapse all files

15
compiler/rustc_codegen_gcc/tests/run/asm.rs
View file

@ -3,12 +3,10 @@
// Run-time:
// status: 0
#![feature(asm_const)]
#[cfg(target_arch="x86_64")]
#[cfg(target_arch = "x86_64")]
use std::arch::{asm, global_asm};
#[cfg(target_arch="x86_64")]
#[cfg(target_arch = "x86_64")]
global_asm!(
"
.global add_asm
@ -22,7 +20,7 @@ extern "C" {
fn add_asm(a: i64, b: i64) -> i64;
}
#[cfg(target_arch="x86_64")]
#[cfg(target_arch = "x86_64")]
pub unsafe fn mem_cpy(dst: *mut u8, src: *const u8, len: usize) {
asm!(
"rep movsb",
@ -33,7 +31,7 @@ pub unsafe fn mem_cpy(dst: *mut u8, src: *const u8, len: usize) {
);
}
#[cfg(target_arch="x86_64")]
#[cfg(target_arch = "x86_64")]
fn asm() {
unsafe {
asm!("nop");
@ -178,9 +176,8 @@ fn asm() {
assert_eq!(array1, array2);
}
#[cfg(not(target_arch="x86_64"))]
fn asm() {
}
#[cfg(not(target_arch = "x86_64"))]
fn asm() {}
fn main() {
asm();