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7af0248af4
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3 Commits

Author SHA1 Message Date
Nate Begeman
7af0248af4 Initial support for allocation condition registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21246 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-12 07:04:16 +00:00
Nate Begeman
cb90de37a7 Add ori reg, reg, 0 as a move instruction. This can be generated from 
loading a 32bit constant into a register whose low halfword is all zeroes.

We now omit the ori after the lis for the following C code:

int bar(int y) { return y * 0x00F0000; }

_bar:
.LBB_bar_0:     ; entry
        ; IMPLICIT_DEF
        lis r2, 15
        mullw r3, r3, r2
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16825 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-07 22:26:12 +00:00
Misha Brukman
f2ccb77ee9 PowerPC 32-/64-bit split: Part I, PPC32* bit files, adapted from former PowerPC* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15850 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-17 04:55:41 +00:00