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* deduplicate bits/mman.hSzabolcs Nagy2016-03-181-45/+11
| | | | | | | | | | | currently five targets use the same mman.h constants and the rest share most constants too, so move them to sys/mman.h before the bits/mman.h include where the differences can be corrected by redefinition of the macros. this fixes two minor bugs: POSIX_MADV_DONTNEED was wrong on most targets (it should be the same as MADV_DONTNEED), and sh defined the x86-only MAP_32BIT mmap flag.
* correct pointer types for a_ll_p and a_sc_p primitives on mips64Rich Felker2016-03-111-4/+4
| | | | | | | | these changes should not affect generated code, but they reflect that the underlying objects operated on by a_cas_p are supposed to have type volatile void *, not volatile long. in theory a compiler could treat the effective type mismatch in the "m" memory operands as undefined behavior.
* make mips64 a_sc_p atomic primitive's asm constraints work with clangRich Felker2016-03-111-1/+1
| | | | | | | apparently clang does not accept matching-register input and output constraints that differ in size (32-bit vs 64-bit). based on patch by Jaydeep Patil.
* add mips64 portRich Felker2016-03-0632-0/+2171
patch by Mahesh Bodapati and Jaydeep Patil of Imagination Technologies.