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Ian Lynagh authored
* Exposes bSwap{,16,32,64}# primops * Add a new machops MO_BSwap * Use a Stg implementation (hs_bswap{16,32,64}) for other implementation in NCG. * Generate bswap in X86 NCG for 32 and 64 bits, and for 16 bits, bswap+shr instead of using xchg. * Generate llvm.bswap intrinsics in llvm codegen. Patch from Vincent Hanquez.
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