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Anton Korobeynikov 2522908653 Materialize global addresses via movt/movw pair, this is always better
than doing the same via constpool:
1. Load from constpool costs 3 cycles on A9, movt/movw pair - just 2.
2. Load from constpool might stall up to 300 cycles due to cache miss.
3. Movt/movw does not use load/store unit.
4. Less constpool entries => better compiler performance.

This is only enabled on ELF systems, since darwin does not have needed
relocations (yet).

llvm-svn: 89720
2009-11-24 00:44:37 +00:00
clang Explicitly track the condition variable within an "if" statement, 2009-11-23 23:44:04 +00:00
compiler-rt Use __USER_LABEL_PREFIX__ so that we don't add a _ prefix on ELF. 2009-11-09 14:27:04 +00:00
llvm Materialize global addresses via movt/movw pair, this is always better 2009-11-24 00:44:37 +00:00