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Author SHA1 Message Date
Simon Dardis d2ed8abb15 [mips] Disable tail calls temporarily 
Disable tail calls while the remaining bugs are fixed. Enable only for tests.

Reviewers: vkalintiris

Differential Review: https://reviews.llvm.org/D24912

llvm-svn: 282487
 2016-09-27 13:15:54 +00:00
Simon Dardis 57f4ae4625 [mips] Enable tail calls by default 
Enable tail calls by default for (micro)MIPS(64).

microMIPS is slightly more tricky than doing it for MIPS(R6) or microMIPSR6.
microMIPS has two instruction encodings: 16bit and 32bit along with some
restrictions on the size of the instruction that can fill the delay slot.
For safe tail calls for microMIPS, the delay slot filler attempts to find
a correct size instruction for the delay slot of TAILCALL pseudos.

Reviewers: dsanders, vkalintris

Subscribers: jfb, dsanders, sdardis, llvm-commits

Differential Revision: https://reviews.llvm.org/D21138

llvm-svn: 277708
 2016-08-04 09:17:07 +00:00
Akira Hatanaka 8e16aac534 jalr should use t9 ($25) for indirect calls regardless of the relocation model 
specified.

llvm-svn: 146229
 2011-12-09 01:45:12 +00:00