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3 Commits

Author SHA1 Message Date
Douglas Katzman 2362b69dd9 [Sparc]: asm-only support for the ldstub instruction. 
llvm-svn: 245485
 2015-08-19 19:30:57 +00:00
James Y Knight 24060be73a Sparc: Add the "alternate address space" load/store instructions. 
- Adds support for the asm syntax, which has an immediate integer
  "ASI" (address space identifier) appearing after an address, before
  a comma.

- Adds the various-width load, store, and swap in alternate address
  space instructions. (ldsba, ldsha, lduba, lduha, lda, stba, stha,
  sta, swapa)

This does not attempt to hook these instructions up to pointer address
spaces in LLVM, although that would probably be a reasonable thing to
do in the future.

Differential Revision: http://reviews.llvm.org/D8904

llvm-svn: 237581
 2015-05-18 16:35:04 +00:00
Venkatraman Govindaraju ced9226b0f [Sparc] Emit correct encoding for atomic instructions. Also, add support for parsing CAS instructions to test the CAS encoding. 
llvm-svn: 200963
 2014-02-07 07:34:49 +00:00