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[4.4] Backport various selective scheduler fixes
- From: Andrey Belevantsev <abel at ispras dot ru>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 24 Aug 2010 13:34:08 +0400
- Subject: [4.4] Backport various selective scheduler fixes
I have backported various selective scheduler fixes to 4.4 that never made
it there over the last year. The backport should be safe as it is within
the sel-sched files except the few interface changes to init_deps that were
needed for the memory consumption reduction patch, and those do not change
behavior for other schedulers. All of the patches were on trunk for a
couple of months except the last fix which was in at least for a week.
The combined backport patch was bootstrapped and tested on ia64, also with
the selective scheduler running as a default one, and bootstrapped and
tested on x86-64. I have also made a successful test run of SPEC2K on ia64
with and without selective scheduler.
The backport was approved by Jakub offline and committed as 19 separate
patches to gcc-4_4-branch. The combined patch can be found below for
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