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Re: ia32: prologue_epilogue_contains
- To: Richard Henderson <rth at cygnus dot com>
- Subject: Re: ia32: prologue_epilogue_contains
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Wed, 04 Aug 1999 02:19:43 -0600
- cc: Bernd Schmidt <bernds at cygnus dot com>, gcc-patches at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
In message <19990802165115.A18921@cygnus.com>you write:
> Part 1 of N of merging generic new_ia32_branch bits to mainline.
>
> This is intended to have init_alias_analysis ignore all prologue
> instructions. If it doesn't, it doesn't consider the frame pointer
> to be a constant base.
>
>
> r~
>
>
> * function.c (init_function_start): Clear prologue & epilogue.
> (prologue_epilogue_contains): New function.
> * alias.c (init_alias_analysis): Use it.
> * rtl.h (prologue_epilogue_contains): Declare it.
I think this is OK. The potential issue with PA64 turned out to be a
non-issue.
jeff