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3 Commits

Author SHA1 Message Date
Jiangning Liu
b12a230a17 Support fpv4 for ARM Cortex-M4. 
llvm-svn: 161163
 2012-08-02 08:35:55 +00:00
Evan Cheng
f9baff015d Clean up ARM fused multiply + add/sub support some more: rename some isel 
predicates.
Also remove NEON2 since it's not really useful and it is confusing. If
NEON + VFP4 implies NEON2 but NEON2 doesn't imply NEON + VFP4, what does it
really mean?

rdar://10139676

llvm-svn: 154480
 2012-04-11 05:33:07 +00:00
Evan Cheng
12bfe1150d Fix a number of problems with ARM fused multiply add/subtract instructions. 
1. The new instruction itinerary entries are not properly described.
2. The asm parser can't handle vfms and vfnms.
3. There were no assembler, disassembler test cases.
4. HasNEON2 has the wrong assembler predicate.
rdar://10139676

llvm-svn: 154456
 2012-04-11 00:13:00 +00:00