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Re: [RFC][AArch64] Remove CORE_REGS form reg_class
- From: Marcus Shawcroft <marcus dot shawcroft at gmail dot com>
- To: Kugan <kugan dot vivekanandarajah at linaro dot org>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 21 May 2014 16:08:38 +0100
- Subject: Re: [RFC][AArch64] Remove CORE_REGS form reg_class
- Authentication-results: sourceware.org; auth=none
- References: <5373FA98 dot 1050806 at linaro dot org> <537405E1 dot 8020000 at linaro dot org>
On 15 May 2014 01:10, Kugan <kugan.vivekanandarajah@linaro.org> wrote:
>
> Hi All,
>
> AAarch64 back-end defines GENERAL_REGS and CORE_REGS with the same set
> of register. Is there any reason why we need this?
Nope an artifact of the early evolution of AArch64. Long ago CORE_REGS
did not include SP. Your patch is fine, commit it.
/Marcus