[OE-core] [PATCH 1/3] Add ARM tune file overhaul based largely on work from Mark Hatle

[Phil Blundell]

On Thu, 2011-07-28 at 09:24 +0200, Martin Jansa wrote:
> Mark is right that if we have PACKAGE_ARCH = "armv4t" and we force
> no-thumb with ARM_INSTRUCTION_SET = "arm" then PACKAGE_ARCH should be
> switched to "armv4" only to indicate that.

No, this is wrong.  Even with ARM_INSTRUCTION_SET = "arm" you might have
BX instructions in the output, in which case "armv4t" is the correct
PACKAGE_ARCH.  You can only set PACKAGE_ARCH = "armv4" if all the BXs
have been suppressed, which means that you lose the ability to do
interworking.

p.