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Re: [PATCH 3/6] microblaze: Fixes for RTL checking


On Tue, Feb 21, 2017 at 12:35:17PM -0800, Michael Eager wrote:
> On 02/21/2017 12:15 PM, Jakub Jelinek wrote:
> >On Tue, Feb 21, 2017 at 02:48:15PM +0000, Segher Boessenkool wrote:
> >>-  /* Shift by zero -- copy regs if necessary.  */
> >>+  /* Shift by zero -- copy regs.  */
> >>    if ((GET_CODE (operands[2]) == CONST_INT) && (INTVAL (operands[2]) == 
> >>    0))
> >
> >You could have changed this line to
> >   if (operands[2] == const0_rtx)
> >as well.
> 
> And this would not change the generated code.

Of course, but you still need the other changes.

I did not make this random cleanup because a) it is a random cleanup; and
b) there are at least three occurrences of this in both microblaze.c and
microblaze.md .

Michael, will you make a fix yourself?  --enable-checking=yes,rtl will
reproduce the problem.


Segher


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