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| author | Ori Bernstein <ori@eigenstate.org> | 2018-05-09 19:21:16 -0700 |
|---|---|---|
| committer | Ori Bernstein <ori@eigenstate.org> | 2018-05-09 19:21:16 -0700 |
| commit | 3665783a1d1fe03db70cca452c615b439310a329 (patch) | |
| tree | f01abd14263ccf7cb1c005d383330ddf66b00163 /mbld | |
| parent | 0f956d6bb55e0455326f4627024c1fa8c8adbff8 (diff) | |
| parent | 37ba2ec87069c9ca9bfeac71ec4dba660fcadf60 (diff) | |
| download | mc-3665783a1d1fe03db70cca452c615b439310a329.tar.gz | |
Merge remote-tracking branch 'npnth/libmath'
Diffstat (limited to 'mbld')
| -rw-r--r-- | mbld/opts.myr | 8 | ||||
| -rw-r--r-- | mbld/syssel.myr | 6 |
2 files changed, 14 insertions, 0 deletions
diff --git a/mbld/opts.myr b/mbld/opts.myr index b82921f..5cdc93a 100644 --- a/mbld/opts.myr +++ b/mbld/opts.myr @@ -34,7 +34,15 @@ pkg bld = const parseversion : (v : byte[:] -> (int, int, int)) /* not exactly portable, but good enough for now */ + const CpuidSSE2 : uint64= 0x400000000000000 const CpuidSSE4 : uint64= 0x180000 + + /* + Intel manuals (vol 1, 14.5.3) say AVX, OSXSAVE also + needed. For full portability, XGETBV also needs to be + checked, though it isn't right now. + */ + const CpuidFMA : uint64= 0x18001000 extern const cpufeatures : (-> uint64) ;; diff --git a/mbld/syssel.myr b/mbld/syssel.myr index 756cf4d..636792a 100644 --- a/mbld/syssel.myr +++ b/mbld/syssel.myr @@ -162,9 +162,15 @@ const addsysattrs = {b, tags match opt_arch | "x64": tag(b, "x64") + if opt_cpufeatures & CpuidSSE2 == CpuidSSE2 + tag(b, "sse2") + ;; if opt_cpufeatures & CpuidSSE4 == CpuidSSE4 tag(b, "sse4") ;; + if opt_cpufeatures & CpuidFMA == CpuidFMA + tag(b, "fma") + ;; | unknown: std.fatal("unknown architecture {}\n", unknown) ;; |