Chris Lattner 3836dbd3bd Two improvements: ... 1. Codegen this comparison: if (X == 0x8000) as: cmplwi cr0, r3, 32768 bne cr0, LBB1_2 ;cond_next instead of: lis r2, 0 ori r2, r2, 32768 cmpw cr0, r3, r2 bne cr0, LBB1_2 ;cond_next 2. Codegen this comparison: if (X == 0x12345678) as: xoris r2, r3, 4660 cmplwi cr0, r2, 22136 bne cr0, LBB1_2 ;cond_next instead of: lis r2, 4660 ori r2, r2, 22136 cmpw cr0, r3, r2 bne cr0, LBB1_2 ;cond_next git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30509 91177308-0d34-0410-b5e6-96231b3b80d8		2006-09-20 04:25:47 +00:00
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CodeGen	Expand 64-bit shifts more optimally if we know that the high bit of the	2006-09-20 03:38:48 +00:00
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Target	Two improvements:	2006-09-20 04:25:47 +00:00
Transforms	Back out Chris' last set of changes. This breaks 177.mesa and povray somehow.	2006-09-20 01:39:40 +00:00
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