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5 Commits

Author SHA1 Message Date
Venkatraman Govindaraju 3320e5a921 [Sparc] Rearrange integer registers' allocation order so that register allocator will use I and G registers before using L and O registers. 
Also, enable registers %g2-%g4 to be used in application and %g5 in 64 bit mode.

llvm-svn: 182219
 2013-05-19 20:07:20 +00:00
Venkatraman Govindaraju 54bf611c79 [Sparc] Prevent instructions that defines or uses %o7 to be in call's delay slot. 
llvm-svn: 182063
 2013-05-16 23:53:29 +00:00
Venkatraman Govindaraju a82203f875 Generate correct Sparc32 ABI compliant code for functions that return a struct. 
llvm-svn: 126108
 2011-02-21 03:42:44 +00:00
Venkatraman Govindaraju 0c1f65317b Prevent IMPLICIT_DEF/KILL to become a delay filler instruction in SPARC backend. 
llvm-svn: 125444
 2011-02-12 19:02:33 +00:00
Venkatraman Govindaraju 058e12476c Sparc backend: Implements a delay slot filler that attempt to fill delay slots 
with useful instructions.

llvm-svn: 123884
 2011-01-20 05:08:26 +00:00