fix: add missing "pclmulqdq" instruction to _cpu_check ("read_cpu_f…

…lags") (#14758)
pola-rs · Feb 29, 2024 · 6b8f8ba · 6b8f8ba
1 parent b959a6c
commit 6b8f8ba
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/py-polars/polars/_cpu_check.py b/py-polars/polars/_cpu_check.py
@@ -205,6 +205,7 @@ def read_cpu_flags() -> dict[str, bool]:
         "sse4.1": bool(cpuid1.ecx & (1 << 19)),
         "sse4.2": bool(cpuid1.ecx & (1 << 20)),
         "popcnt": bool(cpuid1.ecx & (1 << 23)),
+        "pclmulqdq": bool(cpuid1.ecx & (1 << 1)),
         "avx": bool(cpuid1.ecx & (1 << 28)),
         "bmi1": bool(cpuid7.ebx & (1 << 3)),
         "bmi2": bool(cpuid7.ebx & (1 << 8)),