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4 Commits

Author SHA1 Message Date
Olivier Sallenave
02920d23af Check that the TLI callback enableAggressiveFMAFusion has the desired effect on FMA folding. 
llvm-svn: 225987
 2015-01-14 15:36:28 +00:00
Justin Holewinski
3021ef095b [NVPTX] Improve handling of FP fusion 
We now consider the FPOpFusion flag when determining whether
to fuse ops.  We also explicitly emit add.rn when fusion is
disabled to prevent ptxas from fusing the operations on its
own.

llvm-svn: 213287
 2014-07-17 18:10:09 +00:00
Justin Holewinski
84f0bca9c1 [NVPTX] Rename registers %fl -> %fd and %rl -> %rd 
This matches the internal behavior of NVIDIA tools like libnvvm.

llvm-svn: 213168
 2014-07-16 16:26:58 +00:00
Justin Holewinski
4ca961430f This patch adds a new NVPTX back-end to LLVM which supports code generation for NVIDIA PTX 3.0. This back-end will (eventually) replace the current PTX back-end, while maintaining compatibility with it. 
The new target machines are:

nvptx (old ptx32) => 32-bit PTX
nvptx64 (old ptx64) => 64-bit PTX

The sources are based on the internal NVIDIA NVPTX back-end, and
contain more functionality than the current PTX back-end currently
provides.

NV_CONTRIB

llvm-svn: 156196
 2012-05-04 20:18:50 +00:00