[OE-core] [PATCH 0/1] Change default for cortexa* to armv7at-neon.

Philip Balister philip at balister.org
Fri Aug 22 16:44:32 UTC 2014


On 08/21/2014 01:54 PM, Peter Seebach wrote:
> The various cortex chips generally support thumb code, so the armv7at
> tunings are a better default for them than the plain armv7a tunings.
> The armv7at tuning allows generation of both arm and thumb code, while
> armv7a only allows arm code, which is typically significantly bigger.
> (It may be faster in some cases, but the tradeoffs aren't totally
> obvious, because smaller code fits in caches better.) Since they
> all had armv7a-neon as default, change them to armv7at-neon.

Can we also move to hard float abi?

Philip


> 
> The following changes since commit 47d1fc9f5c38f3d092937c47bd4c2f45adaa7fe6:
> 
>   qemu: fix Darwin cross-compilation (2014-08-18 20:43:24 +0100)
> 
> are available in the git repository at:
>   git://git.yoctoproject.org/poky-contrib seebs/armv7at
>   http://git.yoctoproject.org/cgit.cgi/poky-contrib/log/?h=seebs/armv7at
> 
> Peter Seebach (1):
>   tune-cortexa*.inc: use armv7at by default
> 
>  meta/conf/machine/include/tune-cortexa15.inc |    2 +-
>  meta/conf/machine/include/tune-cortexa5.inc  |    2 +-
>  meta/conf/machine/include/tune-cortexa7.inc  |    2 +-
>  meta/conf/machine/include/tune-cortexa8.inc  |    2 +-
>  meta/conf/machine/include/tune-cortexa9.inc  |    2 +-
>  5 files changed, 5 insertions(+), 5 deletions(-)
> 



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