#4914: FPU initialization required again
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Reporter: aruiz | Owner: simonmar
Type: bug | Status: new
Priority: high | Milestone: 7.2.1
Component: Compiler (NCG) | Version: 7.0.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: x86 | Failure: Incorrect result at runtime
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Comment(by simonmar):
Could you also check to see whether any of those calls have a non-empty
FPU stack? Checking the stack pointer isn't enough. I think an `fsave`
instruction should get you the tag word, which should be `0xffff` if the
stack is empty.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4914#comment:11>
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