Thu Oct 16 03:42:18 PDT 2008 [EMAIL PROTECTED]
* Fixed linear regalloc bug, dropped some tracing code
o The linear-scan register allocator sometimes allocated a block
before allocating one of its predecessors, which could lead
to inconsistent allocations. Now, we allocate a block only
if a predecessor has set the "incoming" assignments for the block
(or if it's the procedure's entry block).
o Also commented out some tracing code on the new codegen path.
M ./compiler/cmm/CmmBuildInfoTables.hs -9 +5
M ./compiler/cmm/CmmLiveZ.hs -1 +1
M ./compiler/cmm/CmmProcPointZ.hs -8 +8
M ./compiler/cmm/CmmSpillReload.hs -2 +2
M ./compiler/cmm/CmmStackLayout.hs -11 +14
M ./compiler/cmm/ZipDataflow.hs -1 +1
M ./compiler/main/HscMain.lhs -2 +4
M ./compiler/nativeGen/RegAllocLinear.hs -13 +24
View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20081016104218-feb93-10ebca75d30ad5330203e59700050ab322f89b87.gz
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