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* AMDGPU/EG,CM: Implement fsqrt using recip(rsqrt(x)) instead of x * rsqrt(x)Jan Vesely2020-02-101-14/+24
| | | | | | | | | | | | The old version might be faster on EG (RECIP_IEEE is Trans only), but it'd need extra corner case checks. This gives correct corner case behaviour and saves a register. Fixes OCL CTS sqrt test (1-thread, scalar) on Turks. Reviewer: arsenm Differential Revision: https://reviews.llvm.org/D74017 (cherry picked from commit e6686adf8a743564f0c455c34f04752ab08cf642)
* [AMDGPU] Switch scalarize global loads ON by defaultAlexander Timofeev2017-07-041-3/+3
| | | | | | Differential revision: https://reviews.llvm.org/D34407 llvm-svn: 307097
* Revert r307026, "[AMDGPU] Switch scalarize global loads ON by default"NAKAMURA Takumi2017-07-041-3/+3
| | | | | | | | | It broke a testcase. Failing Tests (1): LLVM :: CodeGen/AMDGPU/alignbit-pat.ll llvm-svn: 307054
* [AMDGPU] Switch scalarize global loads ON by defaultAlexander Timofeev2017-07-031-3/+3
| | | | | | Differential revision: https://reviews.llvm.org/D34407 llvm-svn: 307026
* AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernelMatt Arsenault2017-03-211-10/+10
| | | | | | | | | | | | Currently the default C calling convention functions are treated the same as compute kernels. Make this explicit so the default calling convention can be changed to a non-kernel. Converted with perl -pi -e 's/define void/define amdgpu_kernel void/' on the relevant test directories (and undoing in one place that actually wanted a non-kernel). llvm-svn: 298444
* Enable FeatureFlatForGlobal on Volcanic IslandsMatt Arsenault2017-01-241-1/+1
| | | | | | | | | | | This switches to the workaround that HSA defaults to for the mesa path. This should be applied to the 4.0 branch. Patch by Vedran Miletić <vedran@miletic.net> llvm-svn: 292982
* AMDGPU: Merge / reorganize testsMatt Arsenault2016-07-091-20/+134
| | | | llvm-svn: 274972
* R600 -> AMDGPU renameTom Stellard2015-06-131-0/+29
llvm-svn: 239657
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