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Re: CPROP and spec2000 slowdown in mid february
- To: rth at redhat dot com (Richard Henderson)
- Subject: Re: CPROP and spec2000 slowdown in mid february
- From: Joern Rennecke <amylaar at redhat dot com>
- Date: Tue, 5 Jun 2001 00:53:00 +0100 (BST)
- Cc: amylaar at redhat dot com (Joern Rennecke),kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner), gcc at gcc dot gnu dot org
> Which of course begs the question of why we'd _ever_ be emitting
> a shift of count zero.
It isn't emitted as a separate instruction, it just happens to appear
in some special cases of the more complex instruction pattern.