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Generic x86_64 code compiled with GCC uses non deprecated mtune flags (#13022)

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fixes #12928
This commit is contained in:
Massimiliano Culpo 2019-10-03 10:31:03 +02:00 committed by GitHub
parent 76b9c56110
commit 78577c0a90
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 6 deletions
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17
lib/spack/llnl/util/cpu/microarchitectures.json
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@ -49,11 +49,18 @@
"vendor": "generic", "vendor": "generic",
"features": [], "features": [],
"compilers": { "compilers": {
"gcc": { "gcc": [
"versions": "4:", {
"name": "x86-64", "versions": "4.2.0:",
"flags": "-march={name} -mtune={name}" "name": "x86-64",
} "flags": "-march={name} -mtune=generic"
},
{
"versions": "4.0:4.1.2",
"name": "x86-64",
"flags": "-march={name} -mtune={name}"
}
]
} }
}, },
"nocona": { "nocona": {

4
lib/spack/spack/test/llnl/util/cpu.py
View file

@ -190,7 +190,9 @@ def test_target_json_schema():
@pytest.mark.parametrize('target_name,compiler,version,expected_flags', [ @pytest.mark.parametrize('target_name,compiler,version,expected_flags', [
('x86_64', 'gcc', '4.9.3', '-march=x86-64 -mtune=x86-64'), ('x86_64', 'gcc', '4.9.3', '-march=x86-64 -mtune=generic'),
('x86_64', 'gcc', '4.2.0', '-march=x86-64 -mtune=generic'),
('x86_64', 'gcc', '4.1.1', '-march=x86-64 -mtune=x86-64'),
('nocona', 'gcc', '4.9.3', '-march=nocona -mtune=nocona'), ('nocona', 'gcc', '4.9.3', '-march=nocona -mtune=nocona'),
('nehalem', 'gcc', '4.9.3', '-march=nehalem -mtune=nehalem'), ('nehalem', 'gcc', '4.9.3', '-march=nehalem -mtune=nehalem'),
('nehalem', 'gcc', '4.8.5', '-march=corei7 -mtune=corei7'), ('nehalem', 'gcc', '4.8.5', '-march=corei7 -mtune=corei7'),