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arch: Correct march to mcpu for ppc #2174

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merged 2 commits into from
Aug 8, 2023
+7 −1
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arch: Correct march to mcpu for ppc #2174

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511e59d
arch: Correct march to mcpu for ppc
raminammour Jul 27, 2023
7caa50c
misc: fix flake8
mloubout Aug 8, 2023
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8 changes: 7 additions & 1 deletion devito/arch/compiler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -386,7 +386,7 @@ def __init__(self, *args, **kwargs):

platform = kwargs.pop('platform', configuration['platform'])

self.cflags += ['-march=native', '-Wno-unused-result',
self.cflags += ['-Wno-unused-result',
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This may also break flake8?

'-Wno-unused-variable', '-Wno-unused-but-set-variable']

if configuration['safe-math']:
Expand All @@ -400,6 +400,12 @@ def __init__(self, *args, **kwargs):
# from `=512`
self.cflags.append('-mprefer-vector-width=512')

if platform in [POWER8, POWER9]:
# -march isn't supported on power architectures, is -mtune needed?
self.cflags = ['-mcpu=native'] + self.cflags
else:
self.cflags = ['-march=native'] + self.cflags

language = kwargs.pop('language', configuration['language'])
try:
if self.version >= Version("4.9.0"):
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