Hal Finkel 97d047dec7 Optimize zext on PPC64.
The zeroextend IR instruction is lowered to an 'and' node with an immediate
mask operand, which in turn gets legalised to a sequence of ori's & ands.
This can be done more efficiently using the rldicl instruction.

Patch by Tobias von Koch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162724 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-28 02:10:15 +00:00
2012-07-19 00:23:13 +00:00
2012-08-20 19:56:52 +00:00
2012-08-28 02:10:15 +00:00
2012-07-23 08:51:15 +00:00
2012-08-28 02:10:15 +00:00
2012-06-19 23:47:58 +00:00
2012-07-11 17:34:12 +00:00

Low Level Virtual Machine (LLVM)
================================

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LLVM backend for 6502
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