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Fix avx check with newest nightly compiler (#13465)

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This commit is contained in:
sakridge
2020-11-09 08:04:34 -08:00
committed by GitHub
parent dab2ad245f
commit c644b05c54
1 changed files with 16 additions and 12 deletions
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28
core/src/validator.rs
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@ -1047,18 +1047,22 @@ fn report_target_features() {
#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
{ {
// Validator binaries built on a machine with AVX support will generate invalid opcodes unsafe { check_avx() };
// when run on machines without AVX causing a non-obvious process abort. Instead detect }
// the mismatch and error cleanly. }
#[target_feature(enable = "avx")]
{ // Validator binaries built on a machine with AVX support will generate invalid opcodes
if is_x86_feature_detected!("avx") { // when run on machines without AVX causing a non-obvious process abort. Instead detect
info!("AVX detected"); // the mismatch and error cleanly.
} else { #[target_feature(enable = "avx")]
error!("Your machine does not have AVX support, please rebuild from source on your machine"); unsafe fn check_avx() {
process::exit(1); if is_x86_feature_detected!("avx") {
} info!("AVX detected");
} } else {
error!(
"Your machine does not have AVX support, please rebuild from source on your machine"
);
process::exit(1);
} }
} }