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5 Commits

Author SHA1 Message Date
Chris Lattner
45d4ddd903 Implement hook for ppc 
llvm-svn: 23374
 2005-09-17 01:03:26 +00:00
Chris Lattner
da77012825 Fix a problem that Nate noticed, where spill code was not getting coallesced 
with copies, leading to code like this:

       lwz r4, 380(r1)
       or r10, r4, r4    ;; Last use of r4

By teaching the PPC backend how to fold spills into copies, we now get this
code:

       lwz r10, 380(r1)

wow. :)

This reduces a testcase nate sent me from 1505 instructions to 1484.

Note that this could handle FP values but doesn't currently, for reasons
mentioned in the patch

llvm-svn: 23298
 2005-09-09 21:46:49 +00:00
Chris Lattner
f0e731ea49 Now that the simple isels are dead, so is this. 
llvm-svn: 22913
 2005-08-19 18:30:39 +00:00
Misha Brukman
1fef885677 Remove trailing whitespace 
llvm-svn: 21425
 2005-04-21 23:30:14 +00:00
Misha Brukman
6ce030bf87 PowerPC 32-/64-bit split: Part I, PPC32* bit files, adapted from former PowerPC* 
llvm-svn: 15850
 2004-08-17 04:55:41 +00:00