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

[Donald Bruce Stewart]

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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