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------------------------------------------------------------------------ r225529 | dsanders | 2015-01-09 17:21:30 +0000 (Fri, 09 Jan 2015) | 18 lines [mips] Add support for accessing $gp as a named register. Summary: Mips Linux uses $gp to hold a pointer to thread info structure and accesses it with a named register. This makes this work for LLVM. The N32 ABI doesn't quite work yet since the frontend generates incorrect IR for this case. It neglects to truncate the 64-bit GPR to a 32-bit value before converting to a pointer. Given correct IR (as in the testcase in this patch), it works correctly. Reviewers: sstankovic, vmedic, atanasyan Reviewed By: atanasyan Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D6893 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_35@231466 91177308-0d34-0410-b5e6-96231b3b80d8