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| author | Lukas Larsson <[email protected]> | 2015-07-16 15:36:44 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2016-02-02 10:45:22 +0100 |
| commit | 6090f9c7e9b0ddbccef357641c1455475b348e94 (patch) | |
| tree | 05651df115da49195739fa11009bc9c225f85ce8 /erts/include/internal | |
| parent | 0399f5fc547ef035c4eb5e383f30b28ae73d936e (diff) | |
| download | otp-6090f9c7e9b0ddbccef357641c1455475b348e94.tar.gz otp-6090f9c7e9b0ddbccef357641c1455475b348e94.tar.bz2 otp-6090f9c7e9b0ddbccef357641c1455475b348e94.zip | |
erts: Add power saving cpu feature tests and use them
Diffstat (limited to 'erts/include/internal')
| -rw-r--r-- | erts/include/internal/ethread.h | 50 |
1 files changed, 38 insertions, 12 deletions
diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h index 9956473057..e5c5cdfa33 100644 --- a/erts/include/internal/ethread.h +++ b/erts/include/internal/ethread.h @@ -274,18 +274,40 @@ ETHR_PROTO_NORETURN__ ethr_fatal_error__(const char *file, || (defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64)))) # define ETHR_X86_RUNTIME_CONF__ -# define ETHR_X86_RUNTIME_CONF_HAVE_DW_CMPXCHG__ \ - (__builtin_expect(ethr_runtime__.conf.have_dw_cmpxchg != 0, 1)) -# define ETHR_X86_RUNTIME_CONF_HAVE_NO_DW_CMPXCHG__ \ - (__builtin_expect(ethr_runtime__.conf.have_dw_cmpxchg == 0, 0)) -# define ETHR_X86_RUNTIME_CONF_HAVE_SSE2__ \ - (__builtin_expect(ethr_runtime__.conf.have_sse2 != 0, 1)) -# define ETHR_X86_RUNTIME_CONF_HAVE_NO_SSE2__ \ - (__builtin_expect(ethr_runtime__.conf.have_sse2 == 0, 0)) -# define ETHR_X86_RUNTIME_CONF_HAVE_RDTSCP__ \ - (__builtin_expect(ethr_runtime__.conf.have_rdtscp != 0, 1)) -# define ETHR_X86_RUNTIME_CONF_HAVE_NO_RDTSCP__ \ - (__builtin_expect(ethr_runtime__.conf.have_rdtscp == 0, 0)) +# define ETHR_X86_RUNTIME_CONF_HAVE_META(feature) \ + (__builtin_expect(ethr_runtime__.conf.have_##feature != 0, 1)) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_META(feature) \ + (__builtin_expect(ethr_runtime__.conf.have_##feature == 0, 0)) + +# define ETHR_X86_RUNTIME_CONF_HAVE_DW_CMPXCHG__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(dw_cmpxchg) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_DW_CMPXCHG__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(dw_cmpxchg) +# define ETHR_X86_RUNTIME_CONF_HAVE_SSE2__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(sse2) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_SSE2__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(sse2) +# define ETHR_X86_RUNTIME_CONF_HAVE_RDTSCP__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(rdtscp) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_RDTSCP__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(rdtscp) +# define ETHR_X86_RUNTIME_CONF_HAVE_CONSTANT_TSC__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(constant_tsc) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_CONSTANT_TSC__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(nonstop_tsc) +# define ETHR_X86_RUNTIME_CONF_HAVE_NONSTOP_TSC__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(nonstop_tsc) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_NONSTOP_TSC__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(nonstop_tsc) +# define ETHR_X86_RUNTIME_CONF_HAVE_TSC_RELIABLE__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(tsc_reliable) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_TSC_RELIABLE_TSC__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(tsc_reliable) +# define ETHR_X86_RUNTIME_CONF_HAVE_NONSTOP_TSC_S3__ \ + ETHR_X86_RUNTIME_CONF_HAVE_META(nonstop_tsc_s3) +# define ETHR_X86_RUNTIME_CONF_HAVE_NO_NONSTOP_TSC_S3__ \ + ETHR_X86_RUNTIME_CONF_HAVE_NO_META(nonstop_tsc_s3) + #endif #if (defined(__GNUC__) \ @@ -305,6 +327,10 @@ typedef struct { int have_dw_cmpxchg; int have_sse2; int have_rdtscp; + int have_constant_tsc; + int have_tsc_reliable; + int have_nonstop_tsc; + int have_nonstop_tsc_s3; #endif #if defined(ETHR_PPC_RUNTIME_CONF__) int have_lwsync; |