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cpu: fix clang flags for generic x86_64 (#13491)

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* cpu: differentiate flags used for pristine LLVM vs. Apple's version
This commit is contained in:
Greg Becker
2019-10-30 17:16:13 -05:00
committed by Todd Gamblin
parent 835df4b2e4
commit b727f922a4
2 changed files with 16 additions and 8 deletions
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11
lib/spack/llnl/util/cpu/microarchitectures.json
View File

@@ -61,11 +61,18 @@
"flags": "-march={name} -mtune={name}"
}
],
"clang": {
"clang": [
{
"versions": "0.0.0-apple:",
"family": "x86-64",
"flags": "-march={family}"
},
{
"versions": ":",
"family": "x86-64",
"flags": "-march={family} -mcpu=generic"
},
}
],
"intel": {
"versions": ":",
"name": "pentium4",

7
lib/spack/spack/test/architecture.py
View File

@@ -176,8 +176,9 @@ def test_arch_spec_container_semantic(item, architecture_str):
('gcc@4.7.2', 'ivybridge', '-march=core-avx-i -mtune=core-avx-i'),
# Check mixed toolchains
('clang@8.0.0', 'broadwell', ''),
('clang@3.5', 'x86_64', '-march=x86-64 -mcpu=generic'),
# Check clang compilers with 'apple' suffix
('clang@9.1.0-apple', 'x86_64', '-march=x86-64 -mcpu=generic')
('clang@9.1.0-apple', 'x86_64', '-march=x86-64')
])
@pytest.mark.filterwarnings("ignore:microarchitecture specific")
def test_optimization_flags(
@@ -199,9 +200,9 @@ def test_optimization_flags(
(spack.spec.CompilerSpec('gcc@4.4.0-special'), '9.2.0', 'icelake',
'-march=icelake-client -mtune=icelake-client'),
# Check that the special case for Apple's clang is treated correctly
# i.e. it won't try to dtect the version again
# i.e. it won't try to detect the version again
(spack.spec.CompilerSpec('clang@9.1.0-apple'), None, 'x86_64',
'-march=x86-64 -mcpu=generic'),
'-march=x86-64'),
])
def test_optimization_flags_with_custom_versions(
compiler, real_version, target_str, expected_flags, monkeypatch, config