Add support for byte endianness swapping exposed as a primops
Add support for W32 and W64 endianness swapping as a new primops (bSwap32# and bSwap64#), supported by code generator change in llvm and ncg to generate efficient code (i.e. X86's bswap instruction support). For other NCG architectures (powerpc, sparc) provide support by 2 ghc-prim C functions.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.7 |
| Type | FeatureRequest |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |