llvm dev - Aug 2013 - [LLVMdev] Ordered / Unordered FP compare are not handled properly on X86

I found that there is no diff in code generator for Ordered / Unordered FP
compare instructions.
FUCOMISS, FUCOMISD are generated in the both cases.

-        Elena



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On Wed, Aug 28, 2013 at 2:16 AM, Demikhovsky, Elena <
elena.demikhovsky at intel.com> wrote:
>  I found that there is no diff in code generator for Ordered / Unordered
> FP compare instructions.
> FUCOMISS, FUCOMISD are generated in the both cases.
>
>
> Yes.  That's how fcmp is defined in LangRef.
-Eli
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Should I open a ticket for this?

-           Elena

From: Eli Friedman [mailto:eli.friedman at gmail.com]
Sent: Wednesday, August 28, 2013 19:51
To: Demikhovsky, Elena
Cc: llvmdev at cs.uiuc.edu
Subject: Re: [LLVMdev] Ordered / Unordered FP compare are not handled properly
on X86

On Wed, Aug 28, 2013 at 2:16 AM, Demikhovsky, Elena <elena.demikhovsky at
intel.com<mailto:elena.demikhovsky at intel.com>> wrote:
I found that there is no diff in code generator for Ordered / Unordered FP
compare instructions.
FUCOMISS, FUCOMISD are generated in the both cases.

Yes.  That's how fcmp is defined in LangRef.
-Eli
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