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Re: altivec fix for starting_frame_offset
- From: David Edelsohn <dje at watson dot ibm dot com>
- To: Richard Henderson <rth at redhat dot com>, Aldy Hernandez <aldyh at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Fri, 01 Mar 2002 18:41:58 -0500
- Subject: Re: altivec fix for starting_frame_offset
>>>>> Richard Henderson writes:
Richard> On Fri, Mar 01, 2002 at 04:14:52PM -0500, David Edelsohn wrote:
>> The patch defines FIRST_PARM_OFFSET as 0. I am a little worried
>> about having GCC's concept of the argument pointer not point at the first
>> word in the argument area.
Richard> Yeah, but I don't see what else can be done.
Is teaching locate_and_pad_parm that virtual_outgoing_args starts
with a fixed alignment offset from the stack pointer not worth
considering?
If we go down the currently proposed path, I am more and more
inclined to make this approach conditional on TARGET_ALTIVEC_ABI as Aldy
originally proposed.
David