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add the dynamic check for SSE2 support 

It will be very rare that this actually executes, but we should include
it for completeness.
This commit is contained in:
Jack O'Connor 2020-08-31 17:37:09 -04:00 committed by Jack O'Connor
parent a79fec7e39
commit 3c1db55529
1 changed files with 11 additions and 4 deletions
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15
src/platform.rs
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@ -337,7 +337,7 @@ pub fn avx512_detected() -> bool {
{
return true;
}
// Dyanmic check, if std is enabled.
// Dynamic check, if std is enabled.
#[cfg(feature = "std")]
{
if is_x86_feature_detected!("avx512f") && is_x86_feature_detected!("avx512vl") {
@ -359,7 +359,7 @@ pub fn avx2_detected() -> bool {
{
return true;
}
// Dyanmic check, if std is enabled.
// Dynamic check, if std is enabled.
#[cfg(feature = "std")]
{
if is_x86_feature_detected!("avx2") {
@ -381,7 +381,7 @@ pub fn sse41_detected() -> bool {
{
return true;
}
// Dyanmic check, if std is enabled.
// Dynamic check, if std is enabled.
#[cfg(feature = "std")]
{
if is_x86_feature_detected!("sse4.1") {
@ -393,6 +393,7 @@ pub fn sse41_detected() -> bool {
#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
#[inline(always)]
#[allow(unreachable_code)]
pub fn sse2_detected() -> bool {
// A testing-only short-circuit.
if cfg!(feature = "no_sse2") {
@ -403,7 +404,13 @@ pub fn sse2_detected() -> bool {
{
return true;
}
#[allow(unreachable_code)]
// Dynamic check, if std is enabled.
#[cfg(feature = "std")]
{
if is_x86_feature_detected!("sse2") {
return true;
}
}
false
}