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2 Commits

Author SHA1 Message Date
Simon Dardis
f4e81c479c [mips] MIPS64R6 compact branch support 
MIPS64R6 compact branch support. As the MIPS LLVM backend uses distinct
MachineInstrs for certain 32 and 64 bit instructions (e.g. BEQ & BEQ64) that
map to the same instruction, extend compact branch support for the
corresponding 64bit branches.

Reviewers: dsanders

Differential Revision: https://reviews.llvm.org/D20164

llvm-svn: 276739
 2016-07-26 10:25:07 +00:00
Simon Dardis
573359788f [mips] bnec/beqc register constraint fix 
beqc and bnec cannot have $rs == $rt. Inhibit compact branch creation
if that would occur.

Reviewers: vkalintiris, dsanders

Differential Revision: http://reviews.llvm.org/D20624

llvm-svn: 271260
 2016-05-31 09:54:55 +00:00