uschindler commented on code in PR #14896:
URL: https://github.com/apache/lucene/pull/14896#discussion_r2205384593
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lucene/core/src/java/org/apache/lucene/util/Constants.java:
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@@ -94,12 +94,23 @@ private static boolean is64Bit() {
private static final boolean HAS_SSE4A =
HotspotVMOptions.get("UseXmmI2F").map(Boolean::valueOf).orElse(false);
+ /** true for cpu with AVX support at least AVX2. */
+ private static final boolean HAS_AVX2 =
+ HotspotVMOptions.get("UseAVX").map(Integer::valueOf).orElse(0) >= 2;
+
+ /** true for arm cpu with SVE support. */
+ private static final boolean HAS_SVE =
+ HotspotVMOptions.get("UseSVE").map(Integer::valueOf).orElse(0) > 0;
Review Comment:
I'd use `>= 1` like in the check for AVX2 above.
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