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5 Commits

Author SHA1 Message Date
Justin Holewinski 3e037d98e6 [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 e04e4bdf71 [NVPTX] Calling conventions fix 
Fix ABI handling for function
returning bool -- use st.param.b32 to return the value
and use ld.param.b32 in caller to load the return value.

llvm-svn: 185177
 2013-06-28 17:58:10 +00:00
Justin Holewinski f8f7091722 [NVPTX] Remove i8 register class. PTX support for i8 (.b8, .u8, .s8) is rather poor and we're better off just ignoring it and letting LLVM expand all i8 ops out to i16. 
llvm-svn: 185174
 2013-06-28 17:57:59 +00:00
Justin Holewinski 59fd8ba5f5 [NVPTX] Remove support for SM < 2.0. This was never fully supported anyway. 
llvm-svn: 178417
 2013-03-30 14:29:30 +00:00
Justin Holewinski ae556d3ef7 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