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Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC

Commits:

56db94f7

by Peter Trommler at 2026-01-26T11:26:18+01:00

PPC NCG: Generate clear right insn at arch width

The clear right immediate (clrrxi) is only available in word and
doubleword width. Generate clrrxi instructions at architecture
width for all MachOp widths.

Fixes #24145

1 changed file:

compiler/GHC/CmmToAsm/PPC/CodeGen.hs

Changes:

compiler/GHC/CmmToAsm/PPC/CodeGen.hs

@@ -539,7 +539,7 @@ getRegister' config platform (CmmMachOp mop [x]) -- unary MachOps
                                   CLRLI arch_fmt dst src1 (arch_bits - size)
                   return (Any (intFormat to) code)
 -getRegister' _ _ (CmmMachOp mop [x, y]) -- dyadic PrimOps
 +getRegister' _ platform (CmmMachOp mop [x, y]) -- dyadic PrimOps
    = case mop of
        MO_F_Eq _ -> condFltReg EQQ x y
        MO_F_Ne _ -> condFltReg NE  x y
@@ -622,8 +622,9 @@ getRegister' _ _ (CmmMachOp mop [x, y]) -- dyadic PrimOps
                  (src, srcCode) <- getSomeReg x
                  let clear_mask = if imm == -4 then 2 else 3
                      fmt = intFormat rep
 +                    arch_fmt = intFormat (wordWidth platform)
                      code dst = srcCode
 -                               `appOL` unitOL (CLRRI fmt dst src clear_mask)
 +                      `appOL` unitOL (CLRRI arch_fmt dst src clear_mask)
                  return (Any fmt code)
          _ -> trivialCode rep False AND x y
        MO_Or rep    -> trivialCode rep False OR x y