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Re: RFC: MIPS paired single vector support
- From: Richard Henderson <rth at redhat dot com>
- To: James E Wilson <wilson at specifixinc dot com>
- Cc: "Fu, Chao-Ying" <fu at mips dot com>, gcc-patches at gcc dot gnu dot org, David Ung <davidu at mips dot com>, Nigel Stephens <nigel at mips dot com>, "Uhler, Mike" <uhler at mercury dot mips dot com>, "Thekkath, Radhika" <radhika at mercury dot mips dot com>
- Date: Wed, 18 Aug 2004 01:59:27 -0700
- Subject: Re: RFC: MIPS paired single vector support
- References: <3CB54817FDF733459B230DD27C690CEC041BFD@Exchange.MIPS.COM> <1092807012.15691.142.camel@aretha.corp.specifixinc.com>
On Tue, Aug 17, 2004 at 10:30:12PM -0700, James E Wilson wrote:
> The problem here is that we only have vector modes if we have paired
> single instructions. If we don't have paired single instructions, then
> the objects with a vector type end up as BLKmode, and thus get passed
> like structures, which is definitely not a compatible calling
> convention.
Hmm? You can certainly look at the VECTOR_TYPE node to make
your choice rather than the mode.
r~