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308 Commits

Author SHA1 Message Date
Nate Begeman 6cca84e43c More PPC32 -> PPC changes, as well as merging some classes that were 
redundant after the change.

llvm-svn: 23759
 2005-10-16 05:39:50 +00:00
Chris Lattner bfca1ab79d Rename PowerPC*.h to PPC*.h 
llvm-svn: 23743
 2005-10-14 23:51:18 +00:00
Nate Begeman 6095214bf0 Implement i64<->fp using the fctidz/fcfid instructions on PowerPC when we 
are allowed to generate 64-bit-only PowerPC instructions for 32 bit hosts,
such as the PowerPC 970.

This speeds up 189.lucas from 81.99 to 32.64 seconds.

llvm-svn: 23250
 2005-09-06 22:03:27 +00:00
Chris Lattner da2e04c69d Move FCTIWZ handling out of the instruction selectors and into legalization, 
getting them out of the business of making stack slots.

llvm-svn: 23180
 2005-08-31 21:09:52 +00:00
Chris Lattner 9b577f108a implement SELECT_CC fully for the DAG->DAG isel! 
llvm-svn: 23101
 2005-08-26 21:23:58 +00:00
Chris Lattner b2854fadda Make fsel emission work with both the pattern and dag-dag selectors, by 
giving it a non-instruction opcode.  The dag->dag selector used to not
select the operands of the fsel, because it thought that whole tree was
already selected.

llvm-svn: 23091
 2005-08-26 20:25:03 +00:00
Chris Lattner f3d06c6417 add initial support for converting select_cc -> fsel in the legalizer 
instead of in the backend.  This currently handles fsel cases with registers,
but doesn't have the 0.0 and -0.0 optimization enabled yet.

Once this is finished, special hack for fp immediates can go away.

llvm-svn: 23075
 2005-08-26 00:52:45 +00:00
Chris Lattner f22556d3ad Pull the LLVM -> DAG lowering code out of the pattern selector so that it 
can be shared with the DAG->DAG selector.

llvm-svn: 22799
 2005-08-16 17:14:42 +00:00