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author | Tom Stellard <thomas.stellard@amd.com> | 2016-12-07 02:42:15 +0000 |
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committer | Tom Stellard <thomas.stellard@amd.com> | 2016-12-07 02:42:15 +0000 |
commit | 8485fa096e0baf95790a8b1ba7f8ea8806f50a3e (patch) | |
tree | 4571875722107bcf446cf548964cfc23a39b08e7 /llvm/lib/Target/AMDGPU/SIInstrInfo.cpp | |
parent | 2f50fef095298706e7dbe1f47b7d9421c74a790b (diff) | |
download | bcm5719-llvm-8485fa096e0baf95790a8b1ba7f8ea8806f50a3e.tar.gz bcm5719-llvm-8485fa096e0baf95790a8b1ba7f8ea8806f50a3e.zip |
AMDGPU : Add S_SETREG instructions to fix fdiv precision issues.
Patch By: Wei Ding
Summary: This patch fixes the fdiv precision issues.
Reviewers: b-sumner, cfang, wdng, arsenm
Subscribers: kzhuravl, nhaehnle, yaxunl, tony-tye
Differential Revision: https://reviews.llvm.org/D26424
llvm-svn: 288879
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIInstrInfo.cpp')
-rw-r--r-- | llvm/lib/Target/AMDGPU/SIInstrInfo.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp index d05ef38be7e..9071ded6567 100644 --- a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp +++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp @@ -1669,6 +1669,8 @@ bool SIInstrInfo::isSchedulingBoundary(const MachineInstr &MI, // boundaries prevents incorrect movements of such instructions. return TargetInstrInfo::isSchedulingBoundary(MI, MBB, MF) || MI.modifiesRegister(AMDGPU::EXEC, &RI) || + MI.getOpcode() == AMDGPU::S_SETREG_IMM32_B32 || + MI.getOpcode() == AMDGPU::S_SETREG_B32 || changesVGPRIndexingMode(MI); } |