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std: Remove has_cpuid

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The one use of it was guaranteed to be always true.
This commit is contained in:
Jubilee Young 2024-08-01 20:43:02 -07:00
parent 425ae69588
commit 2f0aaaf2b9
2 changed files with 0 additions and 12 deletions
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4
library/std/src/lib.rs
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@ -269,10 +269,6 @@
#![cfg_attr(any(windows, target_os = "uefi"), feature(round_char_boundary))]
#![cfg_attr(target_family = "wasm", feature(stdarch_wasm_atomic_wait))]
#![cfg_attr(target_arch = "wasm64", feature(simd_wasm64))]
#![cfg_attr(
all(any(target_arch = "x86_64", target_arch = "x86"), target_os = "uefi"),
feature(stdarch_x86_has_cpuid)
)]
//
// Language features:
// tidy-alphabetical-start

8
library/std/src/sys/pal/uefi/time.rs
View File

@ -175,10 +175,6 @@ pub fn platform_specific() -> Option<Instant> {
#[cfg(target_arch = "x86_64")]
fn timestamp_rdtsc() -> Option<Duration> {
if !crate::arch::x86_64::has_cpuid() {
return None;
}
static FREQUENCY: crate::sync::OnceLock<u64> = crate::sync::OnceLock::new();
// Get Frequency in Mhz
@ -200,10 +196,6 @@ fn timestamp_rdtsc() -> Option<Duration> {
#[cfg(target_arch = "x86")]
fn timestamp_rdtsc() -> Option<Duration> {
if !crate::arch::x86::has_cpuid() {
return None;
}
static FREQUENCY: crate::sync::OnceLock<u64> = crate::sync::OnceLock::new();
let freq = FREQUENCY