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(parent: 3662c7b) | patch
When speculation fails (as determined by the chk instruction) the
authorMarcel Moolenaar <marcel@FreeBSD.org>
Mon, 21 May 2007 05:11:43 +0000 (05:11 +0000)
committerMarcel Moolenaar <marcel@FreeBSD.org>
Mon, 21 May 2007 05:11:43 +0000 (05:11 +0000)
commit6de61ca8f840d4d5552b01729508062800af429d
treebeed16268e947daecff3f90938c227058a5d1217tree | snapshot
parent3662c7b8ad876f4282378cfaae98efd6fcb79a46commit | diff
When speculation fails (as determined by the chk instruction) the
processor is to jump to recovery code. This branching behaviour
may not be implemented by the processor and a Speculative Operation
fault is raised. The OS is responsible to emulate the branch.
Implement this, because GCC 4.2 uses advanced loads regularly.
sys/ia64/ia64/trap.c diff | blob | history
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