Failure building HEAD in libraries/base/Data/ByteString.hs

[Reilly Hayes]

As of 6.5.20050610 this still occurs on both the intel mac and intel  
linux (Gcc 4.0.1 & gcc 4.0.2 respectively).  Setting -fno-inline for  
gcc has no effect.

-reilly hayes

On May 9, 2006, at 1:20 AM, Simon Marlow wrote:

> Often I find these are the result of gcc inlining something, or  
> using its built-in primitives.  We already pass -fno-builtin to gcc  
> on x86. Don - are there any C functions being inlined in  
> ByteString?  If so, it might be a good idea to turn off the inlining.
>
> Cheers,
> 	Simon
>
> Donald Bruce Stewart wrote:
>> There's been a few changes since then, perhaps try again with last
>> night's snapshot?
>> dons:
>>> Hmm! Very interesting. Register spill classes, eh? SimonM?
>>>
>>> -- Don
>>>
>>> rfh:
>>>
>>>>   I get the following error when trying to bootstrap the
>>>>   6.5.20060506 snapshot from hc files (registerised):
>>>>
>>>>   gcc -x c Data/ByteString.hc -o Data/ByteString.raw_s -S -O
>>>>   -fno-defer-pop -fomi
>>>>
>>>>   t-frame-pointer  -mdynamic-no-pic
>>>>   -DDONT_WANT_WIN32_DLL_SUPPORT -mdynamic-no-pi
>>>>
>>>>   c -D__GLASGOW_HASKELL__=605  -O -mdynamic-no-pic
>>>>   -I/Users/rfh/haskell/mac/ghc-6.
>>>>
>>>>   5.20060506/includes
>>>>   -I/Users/rfh/haskell/mac/ghc-6.5.20060506/libraries/base/inc
>>>>
>>>>   lude
>>>>   -I/Users/rfh/haskell/mac/ghc-6.5.20060506/libraries/unix/inc
>>>>   lude -I/Users/r
>>>>
>>>>   fh/haskell/mac/ghc-6.5.20060506/libraries/parsec/include
>>>>   -I.  `echo  | sed '
>>>>
>>>>   s/^$/-DSTOLEN_X86_REGS=4/'`
>>>>
>>>>   Data/ByteString.hc: In function
>>>>   'DataziByteString_zdwccall_entry':
>>>>
>>>>   Data/ByteString.hc:8631: error: unable to find a register to
>>>>   spill in class 'DIR
>>>>
>>>>   EG'
>>>>
>>>>   Data/ByteString.hc:8631: error: this is the insn:
>>>>
>>>>   (insn 22 45 23 0 (parallel [
>>>>
>>>>               (set (reg:SI 2 cx [64])
>>>>
>>>>                   (unspec:SI [
>>>>
>>>>                           (mem:BLK (reg:SI 1 dx [orig:66 _cdHE
>>>>   ] [66]) [0 A8])
>>>>
>>>>                           (reg:QI 0 ax [68])
>>>>
>>>>                           (const_int 1 [0x1])
>>>>
>>>>                           (reg:SI 2 cx [67])
>>>>
>>>>                       ] 20))
>>>>
>>>>               (use (reg:SI 19 dirflag))
>>>>
>>>>               (clobber (reg:SI 1 dx [orig:66 _cdHE ] [66]))
>>>>
>>>>               (clobber (reg:CC 17 flags))
>>>>
>>>>           ]) 479 {*strlenqi_1} (insn_list:REG_DEP_TRUE 18
>>>>   (insn_list:REG_DEP_TRUE
>>>>
>>>>   19 (insn_list:REG_DEP_TRUE 20 (insn_list:REG_DEP_TRUE 21
>>>>   (nil)))))
>>>>
>>>>       (expr_list:REG_UNUSED (reg:CC 17 flags)
>>>>
>>>>           (expr_list:REG_UNUSED (reg:SI 1 dx [orig:66 _cdHE ]
>>>>   [66])
>>>>
>>>>               (expr_list:REG_DEAD (reg:SI 19 dirflag)
>>>>
>>>>                   (expr_list:REG_DEAD (reg:SI 2 cx [67])
>>>>
>>>>                       (expr_list:REG_DEAD (reg:QI 0 ax [68])
>>>>
>>>>                           (expr_list:REG_DEAD (reg:SI 1 dx
>>>>   [orig:66 _cdHE ] [66])
>>>>
>>>>                               (expr_list:REG_UNUSED (reg:CC 17
>>>>   flags)
>>>>
>>>>                                   (expr_list:REG_UNUSED
>>>>   (reg:SI 1 dx [orig:66 _cdH
>>>>
>>>>   E ] [66])
>>>>
>>>>                                       (nil))))))))))
>>>>
>>>>   Data/ByteString.hc:8631: confused by earlier errors, bailing
>>>>   out
>>>>
>>>>   make[1]: *** [Data/ByteString.raw_s] Error 1
>>>>
>>>>   make: *** [all] Error 1
>>>>
>>>>   I am insufficiently experienced with the build process to
>>>>   know if this was from an error in creating the .hc file or a
>>>>   problem with the source.  I have noticed that the file
>>>>   ByteString.hs seems to be new.
>>>>
>>>>   I am building the .hc files on 386 linux (Ubuntu breezy
>>>>   badger):
>>>>
>>>>   linux kernel  2.6.12
>>>>
>>>>   ghc-6.5.20060502 is installed
>>>>
>>>>   gcc is 4.0.2
>>>>
>>>>   I am using the registerised .hc files to bootstrap to Max OS
>>>>   X x86
>>>>
>>>>   Mac OS X 10.4.6
>>>>
>>>>   no ghc installed
>>>>
>>>>   gcc is 4.0.1 (as included in Xcode)
>>>>
>>>>   Reilly Hayes
>>>
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>>>
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>
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Reilly Hayes
rfh at reillyhayes.com