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Support building on Apple M1 CPUs

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Zahary Karadjov 2022-01-25 15:43:22 +02:00
parent 3cbb920406
commit 10029067d8
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1 changed files with 12 additions and 2 deletions
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config.nims
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@ -20,10 +20,20 @@ if defined(windows):
# and larger arithmetic use cases, along with register starvation issues. When # and larger arithmetic use cases, along with register starvation issues. When
# engineering a more portable binary release, this should be tweaked but still # engineering a more portable binary release, this should be tweaked but still
# use at least -msse2 or -msse3. # use at least -msse2 or -msse3.
#
# https://github.com/status-im/nimbus-eth2/blob/stable/docs/cpu_features.md#ssse3-supplemental-sse3
# suggests that SHA256 hashing with SSSE3 is 20% faster than without SSSE3, so
# given its near-ubiquity in the x86 installed base, it renders a distribution
# build more viable on an overall broader range of hardware.
#
if defined(disableMarchNative): if defined(disableMarchNative):
if defined(i386) or defined(amd64): if defined(i386) or defined(amd64):
switch("passC", "-msse3") switch("passC", "-mssse3")
switch("passL", "-msse3") switch("passL", "-mssse3")
elif defined(macosx) and defined(arm64):
# Apple's Clang can't handle "-march=native" on M1: https://github.com/status-im/nimbus-eth2/issues/2758
switch("passC", "-mcpu=apple-a14")
switch("passL", "-mcpu=apple-a14")
else: else:
switch("passC", "-march=native") switch("passC", "-march=native")
switch("passL", "-march=native") switch("passL", "-march=native")