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CVS commit: src/sys/arch/x86/include
Module Name: src
Committed By: apb
Date: Thu Oct 11 11:12:22 UTC 2012
Change "=r" to "=qQ" in a register constraint in an asm statement
for a register that is used with the "xchgb" instruction in the
definition of __cpu_simple_lock_try(). This fixes PR 45673, or at
least works around the gcc bug that might be behind PR 45673.
The output from "objdump -d" before and after this change is
identical, for the amd64 GENERIC kernel, the i386 GENERIC kernel,
and the i386 MONOLITHIC kernel.
To generate a diff of this commit:
cvs rdiff -u -r1.25 -r1.26 src/sys/arch/x86/include/lock.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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