PPC NCG: Test `AtomicFetch` panics on PowerPC
Summary
ghc-9.7.20230407: panic! (the 'impossible' happened)
GHC version 9.7.20230407:
PPC.Ppr.Instr LDR: no match
CallStack (from HasCallStack):
panic, called at compiler/GHC/CmmToAsm/PPC/Ppr.hs:411:22 in ghc:GHC.CmmToAsm.PPC.Ppr
Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug
*** unexpected failure for AtomicFetch(normal)
Steps to reproduce
hadrian/build test --only=AtomicFetch
Expected behavior
Test passes.
Environment
- GHC version used: 9.7.20230407
Optional:
- Operating System: Linux
- System Architecture: powerpc64le