#2388: GHC creates invalid test instruction for 64-bit code
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Reporter: MartinGrabmueller | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 6.10.1
Component: Compiler | Version: 6.8.2
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Architecture: x86_64 (amd64)
Os: Linux |
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Comment (by igloo):
Small testcase:
{{{
module Q where
import Data.Bits
import Data.Word
splitBytes :: Word32 -> Char
splitBytes w | w .&. 0x80000000 /= 0 = 'a'
splitBytes _ = 'b'
}}}
{{{
ghc-inplace --make -O q
[1 of 1] Compiling Q ( q.hs, q.o )
/tmp/ghc10020_0/ghc10020_0.s: Assembler messages:
/tmp/ghc10020_0/ghc10020_0.s:28:0:
Error: suffix or operands invalid for `test'
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2388#comment:2>
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