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Re: [Patch] Altivec ABI as default for powerpc64 linux
- From: "Hartmut Penner" <HPENNER at de dot ibm dot com>
- To: Aldy Hernandez <aldyh at redhat dot com>
- Cc: Alan Modra <amodra at bigpond dot net dot au>, dje at watson dot ibm dot com, gcc-patches at gcc dot gnu dot org
- Date: Fri, 30 Jan 2004 15:08:24 +0100
- Subject: Re: [Patch] Altivec ABI as default for powerpc64 linux
Aldy wrote:
> If the _actual_ PPC64 Linux ABI needs this, I don't have a problem
> with it. We did the same thing for Darwin.
OK.
> BTW, where is the ppc64 linux ABI kept these days?
Alan keeps this document.
> You want to do this in SUBTARGET_OVERRIDE_OPTIONS (see how darwin.h
> does it). Although for linux64.h you want
> SUBSUBTARGET_OVERRIDE_OPTIONS.
If I do it like you propose (and Darwin did), you cannot turn the
ABI of by issuing -mno-abi=altivec (or whatever the right syntax is).
I just want to set the default, not overside the settings.
regards, Hartmut