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Re: Patch ping
- From: Richard Earnshaw <Richard dot Earnshaw at arm dot com>
- To: Paul Brook <paul at codesourcery dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Wed, 28 Apr 2004 14:47:01 +0100
- Subject: Re: Patch ping
- References: <200404281433.58671.paul@codesourcery.com>
On Wed, 2004-04-28 at 14:33, Paul Brook wrote:
> Patch ping: Output dwarf expressions for memory locations involving shifts.
>
> http://gcc.gnu.org/ml/gcc-patches/2004-04/msg00856.html
>
> Paul
I don't think this is quite right. The MULT code had some
simplifications when one of the operands was 0. However, a shift by
zero is not the same as a multiply by zero -- the later results in zero,
the former is a NOP.
R.