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Date: Thu, 03 Oct 2002 19:14:00 -0000
From: Richard Henderson <rth@redhat.com>
To: Igor Shevlyakov <igor@microunity.com>
Cc: gcc@gcc.gnu.org, gcc-help@gcc.gnu.org
Subject: Re: Advice needed how to avoid generation of extra sign_extends in .md file
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On Thu, Oct 03, 2002 at 06:09:21PM -0700, Igor Shevlyakov wrote:
> - 32 bit opearations always sign extend their result into whole 64-bit
> result registers.
> - conditional branches work only on 64-bit registers
> - loads are always sign-extending.

See the alpha port, which has these same characteristics.


r~