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4 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
3bee83c3a5 Transfer memory operands to the right instruction. 
They need to go on the PICLDR as the verifier points out.

llvm-svn: 157151
 2012-05-20 06:38:42 +00:00
Evan Cheng
0fcb465bab Don't use movw / movt for iOS static codegen for now to workaround some tools issues. rdar://9514789 
llvm-svn: 132211
 2011-05-27 20:11:27 +00:00
Evan Cheng
4192d53d1e Add iOS test 
llvm-svn: 132203
 2011-05-27 19:04:21 +00:00
Anton Korobeynikov
0f885eb7fd 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