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RE: [arm-embedded] Request to backport thumb1 far jump patch to embedded 4.8 branch


OK for embedded 4.8 branch

- Joey

> -----Original Message-----
> From: Terry Guo
> Sent: Tuesday, August 06, 2013 14:17
> To: Joey Ye
> Cc: gcc-patches@gcc.gnu.org
> Subject: [arm-embedded] Request to backport thumb1 far jump patch to
> embedded 4.8 branch
> 
> Hello Joey,
> 
> The thumb1 far jump patch is about an optimization to avoid unnecessary lr
> save instruction. It is now in trunk. Is it OK to back port it to embedded
> 4.8 branch?
> 
> BR,
> Terry
> 
> gcc/ChangeLog.arm
> 
>  2013-08-05  Terry Guo  <terry.guo@arm.com>
> 
> 	Backport from mainline r197956
> 	2013-04-15  Joey Ye  <joey.ye@arm.com>
> 
> 	* config/arm/arm.c (thumb1_final_prescan_insn): Assert lr save
> 	for real far jump.
> 	(thumb_far_jump_used_p): Count instruction size and set
> 	far_jump_used.
> 
> gcc/testsuite/ChangeLog.arm
> 
> 2013-08-05  Terry Guo  <terry.guo@arm.com>
> 
> 	Backport from mainline r197956
> 	2013-04-15  Joey Ye  <joey.ye@arm.com>
> 
> 	* gcc.target/arm/thumb1-far-jump-1.c: New test.
> 	* gcc.target/arm/thumb1-far-jump-2.c: New test.




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