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Re: standards on SIGFPE for divide by zero

On Wed, Mar 02, 2011 at 06:34:11PM +0000, Taylor R Campbell wrote:
>    Date: Tue, 1 Mar 2011 13:41:24 -0800
>    From: Matt Thomas <>
>    PowerPC cann't raise an exception on integer divide by zero.  It can
>    detect it if using the divwo instruction but it still won't raise an
>    exception.  Instead you need to check the OV bit in the XER register.
> I see -- I assumed the question implied there was an option about
> whether to deliver SIGFPE for integer division by zero on powerpc.

You want the program to get a floating-point-exception signal on a bad
integer divide?


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