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6 Commits

Author SHA1 Message Date
Matt Arsenault 5660bb6bc9 AMDGPU: Remove denormal subtarget features 
Switch to using the denormal-fp-math/denormal-fp-math-f32 attributes.
 2020-04-02 17:17:12 -04:00
Matt Arsenault 75cf30918f AMDGPU: Assume f32 denormals are enabled by default 
This will likely introduce catastrophic performance regressions on
older subtargets, but should be correct. A follow up change will
remove the old fp32-denormals subtarget features, and switch to using
the new denormal-fp-math/denormal-fp-math-f32 attributes. Frontends
should be making sure to add the denormal-fp-math-f32 attribute when
appropriate to avoid performance regressions.
 2020-04-02 17:17:12 -04:00
Stanislav Mekhanoshin c43e67bfff [AMDGPU] gfx1011/gfx1012 targets 
Differential Revision: https://reviews.llvm.org/D63307

llvm-svn: 363344
 2019-06-14 00:33:31 +00:00
Konstantin Zhuravlyov 700b1ef54d AMDGPU: Fix V_FMA_F16 selection on GFX9 
GFX9 should select opsel version.

Differential Revision: https://reviews.llvm.org/D54545

llvm-svn: 347265
 2018-11-19 21:10:16 +00:00
Konstantin Zhuravlyov 7d1532d333 AMDGPU: Fix check lines in fdot2 test: 
GCN900 -> GFX900

llvm-svn: 346925
 2018-11-15 02:42:04 +00:00
Farhana Aleen c370d7b33d [AMDGPU] [AMDGPU] Support a fdot2 pattern. 
Summary: Optimize fma((float)S0.x, (float)S1.x fma((float)S0.y, (float)S1.y, z))
                   -> fdot2((v2f16)S0, (v2f16)S1, (float)z)

Author: FarhanaAleen

Reviewed By: rampitec, b-sumner

Subscribers: AMDGPU

Differential Revision: https://reviews.llvm.org/D49146

llvm-svn: 337198
 2018-07-16 18:19:59 +00:00