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pass -mpopcnt when using clang / llvm and targeting x86_64 arch to support popcnt forceinline methods

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Travis Lange
2025-06-24 10:30:51 -04:00
parent 88b9932ce1
commit 7752cfecba
1 changed files with 1 additions and 1 deletions
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SConstruct
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@@ -741,7 +741,7 @@ if env["arch"] == "x86_64":
env.Append(CCFLAGS=["/d2archSSE42"])
else:
# `-msse2` is implied when compiling for x86_64.
env.Append(CCFLAGS=["-msse4.2"])
env.Append(CCFLAGS=["-msse4.2", "-mpopcnt"])
elif env["arch"] == "x86_32":
# Be more conservative with instruction sets on 32-bit x86 to improve compatibility.
# SSE and SSE2 are present on all CPUs that support 64-bit, even if running a 32-bit OS.