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Re: Use cmpmem optabs in builtins.c

From: Jeff Law <law at redhat dot com>
To: gcc-patches at gcc dot gnu dot org, richard dot sandiford at arm dot com
Date: Mon, 24 Aug 2015 11:00:13 -0600
Subject: Re: Use cmpmem optabs in builtins.c
Authentication-results: sourceware.org; auth=none
References: <87si796ijk dot fsf at e105548-lin dot cambridge dot arm dot com>

On 08/24/2015 05:18 AM, Richard Sandiford wrote:

Similarly to the patch for cmpstr(n), this patch uses the optabs
interface for cmpmem instead of using HAVE_cmpmmsi and CODE_FOR_cmpmemsi
directly.

Tested on x86_64-linux-gnu.  OK to install?

Thanks,
Richard

gcc/
	* builtins.c (expand_cmpstrn): Rename to...
	(expand_cmpstrn_or_cmpmem): ...this.
	(expand_builtin_strcmp, expand_builtin_strncmp): Update accordingly.
	(expand_builtin_memcmp): Use optabs instead of HAVE_cmpmem/gen_cmpmem.
	Remove mode argument.
	(expand_builtin): Update accordingly.

OK.
jeff

References:
- Use cmpmem optabs in builtins.c
  - From: Richard Sandiford

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