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RE: ICE when calculate insn latency for armv7e-m arch in O2 level
- From: "Greta Yorsh" <Greta dot Yorsh at arm dot com>
- To: "Joey Ye" <Joey dot Ye at arm dot com>
- Cc: <gcc at gcc dot gnu dot org>, "Zhuolin Liu" <Zhuolin dot Liu at arm dot com>, "Terry Guo" <Terry dot Guo at arm dot com>
- Date: Tue, 10 Jul 2012 13:29:08 +0100
- Subject: RE: ICE when calculate insn latency for armv7e-m arch in O2 level
- References: <000001cd5b7c$ab2d08a0$018719e0$@ye@arm.com>
Thanks for point it out. I posted a patch that should fix it:
http://gcc.gnu.org/ml/gcc-patches/2012-07/msg00380.html
Thank you,
Greta
> -----Original Message-----
> From: Joey Ye
> Sent: 06 July 2012 14:39
> To: Greta Yorsh
> Cc: gcc@gcc.gnu.org; Zhuolin Liu; Terry Guo
> Subject: ICE when calculate insn latency for armv7e-m arch in O2 level
>
> Greta,
>
> Since this checkin, GCC ICE when build fix-point library with
> -march=armv7e-m -O2. Reduced test case at
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53859
>
> This is a show-stopper to cortex-m4 target.
>
>
> URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188742
> Log:
> The main function for epilogue RTL generation, used by expand epilogue
> patterns.
>
> gcc/
>
> 2012-06-18 Ian Bolton <ian.bolton@arm.com>
> Sameera Deshpande <sameera.deshpande@arm.com>
> Greta Yorsh <greta.yorsh@arm.com>
>
> * config/arm/arm-protos.h (arm_expand_epilogue): New
> declaration.
> * config/arm/arm.c (arm_expand_epilogue): New function.
> * config/arm/arm.md (epilogue): Update condition and code.
> (sibcall_epilogue): Likewise.
>
>
> Modified:
> trunk/gcc/ChangeLog
> trunk/gcc/config/arm/arm-protos.h
> trunk/gcc/config/arm/arm.c
> trunk/gcc/config/arm/arm.md
>
>
>