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Re: [PATCH] RTEMS: Add Nios 2 support

From: Chung-Lin Tang <cltang at codesourcery dot com>
To: Sebastian Huber <sebastian dot huber at embedded-brains dot de>, <gcc-patches at gcc dot gnu dot org>
Cc: <joel dot sherrill at oarcorp dot com>
Date: Fri, 18 Jul 2014 14:30:05 +0800
Subject: Re: [PATCH] RTEMS: Add Nios 2 support
Authentication-results: sourceware.org; auth=none
References: <1403782986-16676-1-git-send-email-sebastian dot huber at embedded-brains dot de>
For the default multilib settings, it looks like you just intended to
use -mcustom-fpu-cfg=60-2. I suggest you modify t-rtems to do that
instead of enumerating the individual FPU insn options.

Other than that, the patch looks okay.

Chung-Lin

On 2014/6/26 07:43 PM, Sebastian Huber wrote:
> diff --git a/gcc/config/nios2/t-rtems b/gcc/config/nios2/t-rtems
> new file mode 100644
> index 0000000..f95fa3c
> --- /dev/null
> +++ b/gcc/config/nios2/t-rtems
> @@ -0,0 +1,133 @@
> +# Custom RTEMS multilibs
> +
> +MULTILIB_OPTIONS = mhw-mul mhw-mulx mhw-div mcustom-fadds=253 mcustom-fdivs=255 mcustom-fmuls=252 mcustom-fsubs=254
> +
> +# Enumeration of multilibs
> +
> +# MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fsubs=254
> +# MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fsubs=254
> +# MULTILIB_EXCEPTIONS += mhw-mul
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-mulx
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mhw-div
> +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mcustom-fadds=253
> +MULTILIB_EXCEPTIONS += mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mcustom-fdivs=255/mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mcustom-fdivs=255/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mcustom-fdivs=255
> +MULTILIB_EXCEPTIONS += mcustom-fmuls=252/mcustom-fsubs=254
> +MULTILIB_EXCEPTIONS += mcustom-fmuls=252
> +MULTILIB_EXCEPTIONS += mcustom-fsubs=254
Follow-Ups:
- Re: [PATCH] RTEMS: Add Nios 2 support
  - From: Chung-Lin Tang
- Re: [PATCH] RTEMS: Add Nios 2 support
  - From: Sebastian Huber
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