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prettifying Cmm: print MachOps as identifiers by replacing ' ' with '_'
[ghc-hetmet.git]
/
compiler
/
cmm
/
PprCmm.hs
diff --git
a/compiler/cmm/PprCmm.hs
b/compiler/cmm/PprCmm.hs
index
6321410
..
cb2adf7
100644
(file)
--- a/
compiler/cmm/PprCmm.hs
+++ b/
compiler/cmm/PprCmm.hs
@@
-292,6
+292,8
@@
infixMachOp1 (MO_U_Lt _) = Just (char '<')
infixMachOp1 _ = Nothing
-- %left '-' '+'
infixMachOp1 _ = Nothing
-- %left '-' '+'
+pprExpr7 (CmmMachOp (MO_Add rep1) [x, CmmLit (CmmInt i rep2)]) | i < 0
+ = pprExpr7 (CmmMachOp (MO_Sub rep1) [x, CmmLit (CmmInt (negate i) rep2)])
pprExpr7 (CmmMachOp op [x,y]) | Just doc <- infixMachOp7 op
= pprExpr7 x <+> doc <+> pprExpr8 y
pprExpr7 e = pprExpr8 e
pprExpr7 (CmmMachOp op [x,y]) | Just doc <- infixMachOp7 op
= pprExpr7 x <+> doc <+> pprExpr8 y
pprExpr7 e = pprExpr8 e
@@
-337,7
+339,10
@@
genMachOp mop args
|| isJust (infixMachOp7 mop)
|| isJust (infixMachOp8 mop) = parens (pprExpr (CmmMachOp mop args))
|| isJust (infixMachOp7 mop)
|| isJust (infixMachOp8 mop) = parens (pprExpr (CmmMachOp mop args))
- | otherwise = char '%' <> pprMachOp mop <> parens (commafy (map pprExpr args))
+ | otherwise = char '%' <> ppr_op <> parens (commafy (map pprExpr args))
+ where ppr_op = text (map (\c -> if c == ' ' then '_' else c)
+ (show mop))
+ -- replace spaces in (show mop) with underscores,
--
-- Unsigned ops on the word size of the machine get nice symbols.
--
-- Unsigned ops on the word size of the machine get nice symbols.