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Re: [PATCH][AArch64] Add alternative 'extr' pattern, calculate rtx cost properly
- From: Marcus Shawcroft <marcus dot shawcroft at gmail dot com>
- To: Kyrill Tkachov <kyrylo dot tkachov at arm dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Marcus Shawcroft <marcus dot shawcroft at arm dot com>, Richard Earnshaw <Richard dot Earnshaw at arm dot com>, James Greenhalgh <james dot greenhalgh at arm dot com>
- Date: Thu, 30 Apr 2015 16:37:40 +0100
- Subject: Re: [PATCH][AArch64] Add alternative 'extr' pattern, calculate rtx cost properly
- Authentication-results: sourceware.org; auth=none
- References: <553E08E9 dot 7060107 at arm dot com>
On 27 April 2015 at 11:01, Kyrill Tkachov <kyrylo.tkachov@arm.com> wrote:
> 2015-04-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
>
> * config/aarch64/aarch64.md (*extr<mode>5_insn_alt): New pattern.
> (*extrsi5_insn_uxtw_alt): Likewise.
> * config/aarch64/aarch64.c (aarch64_extr_rtx_p): New function.
> (aarch64_rtx_costs, IOR case): Use above to properly cost extr
> operations.
OK /Marcus