forked from Imagelibrary/rtems
2005-09-15 Jay Monkman
PR 365/rtems * supplements/arm/cpumodel.t: Removed unused ARM_HAS_CLZ macro
This commit is contained in:
@@ -1,3 +1,8 @@
|
|||||||
|
2005-09-15 Jay Monkman <jtm@lopingdog.com>
|
||||||
|
|
||||||
|
PR 365/rtems
|
||||||
|
* supplements/arm/cpumodel.t: Removed unused ARM_HAS_CLZ macro.
|
||||||
|
|
||||||
2005-09-03 Ralf Corsepius <ralf.corsepius@rtems.org>
|
2005-09-03 Ralf Corsepius <ralf.corsepius@rtems.org>
|
||||||
|
|
||||||
* FAQ/basic.texi, FAQ/bsp.texi, FAQ/build45.texi,
|
* FAQ/basic.texi, FAQ/bsp.texi, FAQ/build45.texi,
|
||||||
|
|||||||
@@ -67,13 +67,10 @@ __ARM_ARCH5TE__ "ARMv5TE"
|
|||||||
|
|
||||||
@section Count Leading Zeroes Instruction
|
@section Count Leading Zeroes Instruction
|
||||||
|
|
||||||
The macro @code{ARM_HAS_CLZ} is set to 1 to indicate that
|
The ARMv5 and later has the count leading zeroes (@code{clz})
|
||||||
the architectural version has the @code{clz} instruction.
|
instruction which could be used to speed up the find first bit
|
||||||
On ARM architectural version 5 and above, the count
|
operation. The use of this instruction should significantly speed up
|
||||||
leading zeroes instruction (@code{clz}) is available and
|
the scheduling associated with a thread blocking.
|
||||||
can be used to speed up the find first bit operation.
|
|
||||||
The use of this instruction significantly speeds up the
|
|
||||||
scheduling associated with a thread blocking.
|
|
||||||
|
|
||||||
@section Floating Point Unit
|
@section Floating Point Unit
|
||||||
|
|
||||||
|
|||||||
Reference in New Issue
Block a user