This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH][SPARC] PR target/80968 Prevent stack loads in return delay slot.


From: Eric Botcazou <ebotcazou@adacore.com>
Date: Tue, 06 Jun 2017 00:02:06 +0200

>> That seems to work as well, following is going through a testsuite
>> run right now:
>> 
>> ====================
>> [PATCH] sparc: Fix stack references in return delay slot.
>> 
>> gcc/
>> 
>> 	PR target/80968
>> 	* config/sparc/sparc.c (sparc_expand_prologue): Emit frame
>> 	blockage if function uses alloca.
> 
> Probably worth applying on all active branches I'd think.

I agree, this is a really nasty bug.

I'll do that after some more testing.

Eric, thanks for reviewing and your advice to use frame blockage!


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]