Commit Graph

7 Commits

Author SHA1 Message Date
Konstantin Zhuravlyov c40d9f2e5d AMDGPU/GCN: Bring processors in sync with AMDGPUUsage
- Add gfx704
    - Change bonaire to gfx704
  - Remove gfx804
  - Remove gfx901
  - Remove gfx903

Differential Revision: https://reviews.llvm.org/D40046

llvm-svn: 320194
2017-12-08 20:52:28 +00:00
Matt Arsenault 70b9282015 AMDGPU: Fix -enable-var-scope violations
llvm-svn: 318004
2017-11-12 23:53:44 +00:00
Alexander Richardson d3aa475988 Fix CodeGen/AMDGPU/fcanonicalize-elimination.ll on FreeBSD 11.0
Summary:
On FreeBSD11.0 the FileCheck NOT string "1.0" will be matched by
`.amd_amdgpu_isa "amdgcn-unknown-freebsd11.0--gfx802"` at the end of the
file. Add a CHECK for that directive to avoid failing the test.

Reviewers: rampitec, kzhuravl

Reviewed By: rampitec, kzhuravl

Subscribers: emaste, kzhuravl, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, llvm-commits, krytarowski

Differential Revision: https://reviews.llvm.org/D39306

llvm-svn: 316616
2017-10-25 21:44:21 +00:00
Stanislav Mekhanoshin 06cab79e50 [AMDGPU] Use v_max_f* for fcanonicalize
If denorms are not flushed we can use max instead of multiplication
by 1. For double that is simply faster, while for float and half
it is shorter, because mul uses constant bus and VOP3.

Differential Revision: https://reviews.llvm.org/D36856

llvm-svn: 312095
2017-08-30 03:03:38 +00:00
Matt Arsenault 4e309b0861 AMDGPU: Start selecting global instructions
llvm-svn: 309470
2017-07-29 01:03:53 +00:00
Stanislav Mekhanoshin dc2890a887 [AMDGPU] fcaninicalize optimization for GFX9+
Since GFX9 supports denorm modes for v_min_f32/v_max_f32 that
is possible to further optimize fcanonicalize and remove it
if applied to min/max given their operands are known not to be
an sNaN or that sNaNs are not supported.

Additionally we can remove fcanonicalize if denorms are supported
for the VT and we know that its argument is never a NaN.

Differential Revision: https://reviews.llvm.org/D35335

llvm-svn: 307976
2017-07-13 23:59:15 +00:00
Stanislav Mekhanoshin 5680b0ca9f [AMDGPU] fcanonicalize elimination optimization
We are using multiplication by 1.0 to flush denormals and quiet sNaNs.
That is possible to omit this multiplication if source of the
fcanonicalize instruction is known to be flushed/quieted, i.e.
if it comes from another instruction known to do the normalization
and we are using IEEE mode to quiet sNaNs.

Differential Revision: https://reviews.llvm.org/D35218

llvm-svn: 307848
2017-07-12 21:20:28 +00:00