diff options
| author | Jose Fonseca <[email protected]> | 2016-05-24 22:36:28 +0900 |
|---|---|---|
| committer | Jose Fonseca <[email protected]> | 2016-06-10 13:47:35 +0100 |
| commit | 9e8edfa19034ae69139ef10b88f958b4f58d57ea (patch) | |
| tree | 03fa0133cad7b88ba0eeb364b1b969576d71935a /src/gallium/auxiliary/util | |
| parent | 54f755fa0fda14c578022767bcef2f27b2e89707 (diff) | |
util,gallivm: Explicitly enable/disable fma attribute.
As suggested by Roland Scheidegger.
Use the same logic as f16c, since fma requires VEX encoding.
But disable FMA on LLVM 3.3 without MCJIT.
Reviewed-by: Roland Scheidegger <[email protected]>
Diffstat (limited to 'src/gallium/auxiliary/util')
| -rw-r--r-- | src/gallium/auxiliary/util/u_cpu_detect.c | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_cpu_detect.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_cpu_detect.c b/src/gallium/auxiliary/util/u_cpu_detect.c index aa3c30af6e3..3a51ab95cf0 100644 --- a/src/gallium/auxiliary/util/u_cpu_detect.c +++ b/src/gallium/auxiliary/util/u_cpu_detect.c @@ -369,6 +369,7 @@ util_cpu_detect(void) ((regs2[2] >> 27) & 1) && // OSXSAVE ((xgetbv() & 6) == 6); // XMM & YMM util_cpu_caps.has_f16c = ((regs2[2] >> 29) & 1) && util_cpu_caps.has_avx; + util_cpu_caps.has_fma = ((regs2[2] >> 12) & 1) && util_cpu_caps.has_avx; util_cpu_caps.has_mmx2 = util_cpu_caps.has_sse; /* SSE cpus supports mmxext too */ #if defined(PIPE_ARCH_X86_64) util_cpu_caps.has_daz = 1; diff --git a/src/gallium/auxiliary/util/u_cpu_detect.h b/src/gallium/auxiliary/util/u_cpu_detect.h index 5ccfc931697..c873232becc 100644 --- a/src/gallium/auxiliary/util/u_cpu_detect.h +++ b/src/gallium/auxiliary/util/u_cpu_detect.h @@ -66,6 +66,7 @@ struct util_cpu_caps { unsigned has_avx:1; unsigned has_avx2:1; unsigned has_f16c:1; + unsigned has_fma:1; unsigned has_3dnow:1; unsigned has_3dnow_ext:1; unsigned has_xop:1; |