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Re: How to split mulsi3 pattern

From: Richard Henderson <rth at redhat dot com>
To: Mohamed Shafi <shafitvm at gmail dot com>
Cc: GCC <gcc at gcc dot gnu dot org>
Date: Thu, 12 Nov 2009 08:02:31 -0800
Subject: Re: How to split mulsi3 pattern
References: <ba0bd44d0911100548y490dfb5ar794e241e2f7c7a@mail.gmail.com> <4AF9A4B1.20704@redhat.com> <ba0bd44d0911120540q426e094bldbdb8fa4af254cee@mail.gmail.com>

On 11/12/2009 05:40 AM, Mohamed Shafi wrote:

So i need to change the mode of the register from SI to HI after
reloading. Is that allowed?

Of course. It's also allowed before reload:

(subreg:HI (reg:SI foo) 0)

See gen_lowpart.

r~

References:
- How to split mulsi3 pattern
  - From: Mohamed Shafi
- Re: How to split mulsi3 pattern
  - From: Richard Henderson
- Re: How to split mulsi3 pattern
  - From: Mohamed Shafi

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