diff options
Diffstat (limited to 'compiler/codeGen/StgCmmLayout.hs')
| -rw-r--r-- | compiler/codeGen/StgCmmLayout.hs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/compiler/codeGen/StgCmmLayout.hs b/compiler/codeGen/StgCmmLayout.hs index 7fbcbced81..59afc897dc 100644 --- a/compiler/codeGen/StgCmmLayout.hs +++ b/compiler/codeGen/StgCmmLayout.hs @@ -15,7 +15,7 @@ module StgCmmLayout ( slowCall, directCall, - mkVirtHeapOffsets, mkVirtConstrOffsets, getHpRelOffset, hpRel, + mkVirtHeapOffsets, mkVirtConstrOffsets, getHpRelOffset, ArgRep(..), toArgRep, argRepSizeW -- re-exported from StgCmmArgRep ) where @@ -366,13 +366,14 @@ slowArgs dflags args -- careful: reps contains voids (V), but args does not ---- Laying out objects on the heap and stack ------------------------------------------------------------------------- --- The heap always grows upwards, so hpRel is easy +-- The heap always grows upwards, so hpRel is easy to compute hpRel :: VirtualHpOffset -- virtual offset of Hp -> VirtualHpOffset -- virtual offset of The Thing -> WordOff -- integer word offset hpRel hp off = off - hp getHpRelOffset :: VirtualHpOffset -> FCode CmmExpr +-- See Note [Virtual and real heap pointers] in StgCmmMonad getHpRelOffset virtual_offset = do dflags <- getDynFlags hp_usg <- getHpUsage |