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Re: [PATCH 02/10] rs6000: Remove addic alternative from various lo_sum patterns
- From: David Edelsohn <dje dot gcc at gmail dot com>
- To: Segher Boessenkool <segher at kernel dot crashing dot org>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Mon, 8 Dec 2014 09:27:18 -0500
- Subject: Re: [PATCH 02/10] rs6000: Remove addic alternative from various lo_sum patterns
- Authentication-results: sourceware.org; auth=none
- References: <cover dot 1418024189 dot git dot segher at kernel dot crashing dot org> <df45ceebd37c62c19300d2af353e8dd018f8f949 dot 1418024189 dot git dot segher at kernel dot crashing dot org>
On Mon, Dec 8, 2014 at 9:18 AM, Segher Boessenkool
<segher@kernel.crashing.org> wrote:
> This means we do not allow GPR0 as base address of those anymore. The
> alternative is to not allow the carry bit to be live over any lo_sum,
> which is more expensive.
>
>
> 2014-12-08 Segher Boessenkool <segher@kernel.crashing.org>
>
> gcc/
> PR target/64180
> * config/rs6000/darwin.md (macho_low_si): Remove "r" alternative.
> (macho_low_di): Ditto.
> * config/rs6000/rs6000.md (*largetoc_low): Ditto.
> (tocref<mode>): Ditto.
> (elf_low): Ditto.
> * config/rs6000/spe.md (mov_si<mode>_e500_subreg0_elf_low_be): Ditto.
> (mov_si<mode>_e500_subreg0_elf_low_le): Ditto.
> (mov_si<mode>_e500_subreg4_elf_low_be): Ditto. Reformat condition.
> (mov_si<mode>_e500_subreg4_elf_low_le): Ditto.
Okay.
Thanks, David