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| author | Aaron Watry <awatry@gmail.com> | 2014-09-10 15:43:32 +0000 |
|---|---|---|
| committer | Aaron Watry <awatry@gmail.com> | 2014-09-10 15:43:32 +0000 |
| commit | 951ab64d19f275445b18ac6751e8f64f63866f82 (patch) | |
| tree | fd4e44bdf4906164ff74a713927f1a8570577ffb /llvm/lib/CodeGen/RegisterClassInfo.cpp | |
| parent | 268beab921232abb652b18eea3aef021dc29a518 (diff) | |
| download | bcm5719-llvm-951ab64d19f275445b18ac6751e8f64f63866f82.tar.gz bcm5719-llvm-951ab64d19f275445b18ac6751e8f64f63866f82.zip | |
math: Add asin implementation
asin(x) = atan2(x, sqrt( 1-x^2 ))
alternatively:
asin(x) = PI/2 - acos(x)
Use the atan2 implementation since it produces slightly shorter bitcode and
R600 machine code.
Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 217510
Diffstat (limited to 'llvm/lib/CodeGen/RegisterClassInfo.cpp')
0 files changed, 0 insertions, 0 deletions
