3 Commits

Author	SHA1	Message	Date
Dan Bailey	5b68fc5126	PTX: Reverting implementation of i8. ... The .b8 operations in PTX are far more limiting than I first thought. The mov operation isn't even supported, so there's no way of converting a .pred value into a .b8 without going via .b16, which is not sensible. An improved implementation needs to use the fact that loads and stores automatically extend and truncate to implement support for EXTLOAD and TRUNCSTORE in order to correctly support boolean values. llvm-svn: 133873	2011-06-25 18:16:28 +00:00
Dan Bailey	2237ea06fb	PTX: Add support for i8 type and introduce associated .b8 registers ... The i8 type is required for boolean values, but can only use ld, st and mov instructions. The i1 type continues to be used for predicates. llvm-svn: 133814	2011-06-24 19:27:10 +00:00
Justin Holewinski	a1dd1dd26e	PTX: Always use registers for return values, but use .param space for device ... parameters if SM >= 2.0 - Update test cases to be more robust against register allocation changes - Bump up the number of registers to 128 per type - Include Python script to re-generate register file with any number of registers llvm-svn: 133736	2011-06-23 18:10:13 +00:00