diff options
| author | tstellar <tstellar@91177308-0d34-0410-b5e6-96231b3b80d8> | 2012-10-15 20:53:39 +0000 |
|---|---|---|
| committer | tstellar <tstellar@91177308-0d34-0410-b5e6-96231b3b80d8> | 2012-10-15 20:53:39 +0000 |
| commit | c451e5482c2331c820a1dc89bd125eef51872dd2 (patch) | |
| tree | bb58c5364751b6dfc5f78359a022d45c4a27f8be /lib/Target | |
| parent | a5758180dfc5d2000739c9296111ad93ad79b657 (diff) | |
R600: add a pattern for fsqrt
Patch by: Vincent Lejeune
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/R600/@165966 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/AMDGPU/R600Instructions.td | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/AMDGPU/R600Instructions.td b/lib/Target/AMDGPU/R600Instructions.td index 0a1cd345fdb..db6139fa61f 100644 --- a/lib/Target/AMDGPU/R600Instructions.td +++ b/lib/Target/AMDGPU/R600Instructions.td @@ -1038,6 +1038,9 @@ let Predicates = [isEGorCayman] in { def : Pat<(fp_to_uint R600_Reg32:$src), (FLT_TO_UINT_eg (TRUNC R600_Reg32:$src))>; + def : Pat<(fsqrt R600_Reg32:$src), + (MUL R600_Reg32:$src, (RECIPSQRT_CLAMPED_eg R600_Reg32:$src))>; + //===----------------------------------------------------------------------===// // Memory read/write instructions //===----------------------------------------------------------------------===// |