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Bug 16945 – Have test runner in the test suite check CPU capability to determine whether to use -mavx flag

Status: RESOLVED
Resolution: WONTFIX
Severity: enhancement
Priority: P1
Component: tools
Product: D
Version: D2
Platform: All
OS: All
Creation time: 2016-12-03T08:36:00Z
Last change time: 2016-12-08T05:21:36Z
Keywords: bootcamp, SIMD
Assigned to: nobody
Creator: bugzilla
See also: https://issues.dlang.org/show_bug.cgi?id=16958

Comments

Comment #0 by bugzilla — 2016-12-03T08:36:55Z

Since not all the test machines have AVX support. But if the machine does have AVX, it would be best to run -mavx globally to give it the most thorough workout. For reference: https://github.com/dlang/dmd/pull/6296

Comment #1 by braddr — 2016-12-04T01:45:21Z

Also consider something akin to: if (cpuid.hasAVX) { ... } within the tests

Comment #2 by bugzilla — 2016-12-08T05:21:36Z

Replaced by -mcpu=native in https://github.com/dlang/dmd/pull/6306