Re: [PATCH, GCC/ARM] Fix PR77904: callee-saved register trashed when clobbering sp

Sorry, the bug cannot be reproduced on gcc-5-branch so it's probably better to only do a backport to gcc-6-branch. Ok for a backport to gcc-6-branch? Best regards, Thomas On 30/11/16 10:42, Thomas Preudhomme wrote: Hi, Is this ok to backport to gcc-5-branch and gcc-6-branch? Patch applies

Re: [PATCH, GCC/ARM] Fix PR77904: callee-saved register trashed when clobbering sp

Hi, Is this ok to backport to gcc-5-branch and gcc-6-branch? Patch applies cleanly (patches attached for reference). 2016-11-30 Thomas Preud'homme Backport from mainline 2016-11-22 Thomas Preud'homme gcc/ PR

Re: [PATCH, GCC/ARM] Fix PR77904: callee-saved register trashed when clobbering sp

On 17/11/16 09:11, Kyrill Tkachov wrote: On 17/11/16 08:56, Thomas Preudhomme wrote: On 16/11/16 10:30, Kyrill Tkachov wrote: Hi Thomas, On 03/11/16 16:52, Thomas Preudhomme wrote: Hi, When using a callee-saved register to save the frame pointer the Thumb-1 prologue fails to save the

Re: [PATCH, GCC/ARM] Fix PR77904: callee-saved register trashed when clobbering sp

On 17/11/16 08:56, Thomas Preudhomme wrote: On 16/11/16 10:30, Kyrill Tkachov wrote: Hi Thomas, On 03/11/16 16:52, Thomas Preudhomme wrote: Hi, When using a callee-saved register to save the frame pointer the Thumb-1 prologue fails to save the callee-saved register before that. For ARM and

Re: [PATCH, GCC/ARM] Fix PR77904: callee-saved register trashed when clobbering sp

On 16/11/16 10:30, Kyrill Tkachov wrote: Hi Thomas, On 03/11/16 16:52, Thomas Preudhomme wrote: Hi, When using a callee-saved register to save the frame pointer the Thumb-1 prologue fails to save the callee-saved register before that. For ARM and Thumb-2 targets the frame pointer is handled

Re: [PATCH, GCC/ARM] Fix PR77904: callee-saved register trashed when clobbering sp

Hi Thomas, On 03/11/16 16:52, Thomas Preudhomme wrote: Hi, When using a callee-saved register to save the frame pointer the Thumb-1 prologue fails to save the callee-saved register before that. For ARM and Thumb-2 targets the frame pointer is handled as a special case but nothing is done for

[PATCH, GCC/ARM] Fix PR77904: callee-saved register trashed when clobbering sp

Hi, When using a callee-saved register to save the frame pointer the Thumb-1 prologue fails to save the callee-saved register before that. For ARM and Thumb-2 targets the frame pointer is handled as a special case but nothing is done for Thumb-1 targets. This patch adds the same logic for