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Re: [ASM] [PowerPC] floating-point registers mnemonics

From: "Segher Boessenkool" <segher at kernel dot crashing dot org>
To: "Andrew Haley" <aph at redhat dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Fri, 14 Jan 2011 22:29:32 +0100 (CET)
Subject: Re: [ASM] [PowerPC] floating-point registers mnemonics
References: <30671952.post@talk.nabble.com> <59613.94.211.195.167.1295025193.squirrel@gate.crashing.org> <4D30965C.1060509@redhat.com>

>> You write to "fra" (and never read it), so you should list it in
>> outputs instead of in inputs:
>>
>>           /* outputs: */ :"=f"(fra)
>
> Make that an earlyclobber: "=&f"

Yes of course, thanks.  Another reason to not write big inline asm
blobs :-)


Segher

References:
- [ASM] [PowerPC] floating-point registers mnemonics
  - From: qdii
- Re: [ASM] [PowerPC] floating-point registers mnemonics
  - From: Segher Boessenkool
- Re: [ASM] [PowerPC] floating-point registers mnemonics
  - From: Andrew Haley

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