--- Comment #25 from steven at gcc dot gnu dot org 2005-12-15 00:52 ---
Smarter folks than me (iant ;-) suggest that "a multi-word rotate will normally
need all the input bits when setting any of the output bits", so the entire
no-conflict thing doesn't make sense here.
So, let's not do
--- Comment #26 from steven at gcc dot gnu dot org 2005-12-15 00:54 ---
Needless to say really, but the patchlet in comment #25 is inverted...
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23837
--- Comment #24 from steven at gcc dot gnu dot org 2005-12-15 00:09 ---
I think we can blame combine for this bug.
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steven at gcc dot gnu dot org changed:
What|Removed |Added
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--- Comment #27 from steven at gcc dot gnu dot org 2005-12-15 06:42 ---
accept while testing a patch...
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steven at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #28 from amylaar at gcc dot gnu dot org 2005-12-16 14:37
---
(In reply to comment #25)
> Smarter folks than me (iant ;-) suggest that "a multi-word rotate will
> normally
> need all the input bits when setting any of the output bits", so the entire
> no-conflict thing doesn
--- Comment #29 from steven at gcc dot gnu dot org 2005-12-16 22:19 ---
Subject: Bug 23837
Author: steven
Date: Fri Dec 16 22:19:09 2005
New Revision: 108690
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=108690
Log:
PR rtl-optimization/23837
* optabs.c (expand_b