On Wed, Nov 18, 2020 at 07:05:19PM +0000, Kwok Cheung Yeung wrote:
> From a75481979c86aa1da5b5da641fc776bc71d156f7 Mon Sep 17 00:00:00 2001
> From: Kwok Cheung Yeung <k...@codesourcery.com>
> Date: Wed, 18 Nov 2020 10:02:00 -0800
> Subject: [PATCH] openmp: Retire nest-var ICV for OpenMP 5.1
>
> This removes the nest-var ICV, expressing nesting in terms of the
> max-active-levels-var ICV instead. The max-active-levels-var ICV
> is now per data environment rather than per device.
>
> 2020-11-18 Kwok Cheung Yeung <k...@codesourcery.com>
>
> libgomp/
> * env.c (gomp_global_icv): Remove nest_var field. Add
> max_active_levels_var field.
> (gomp_max_active_levels_var): Remove.
> (parse_boolean): Return true on success.
> (handle_omp_display_env): Express OMP_NESTED in terms of
> max_active_levels_var. Change format specifier for
> max_active_levels_var.
> (initialize_env): Set max_active_levels_var from
> OMP_MAX_ACTIVE_LEVELS, OMP_NESTED, OMP_NUM_THREADS and
> OMP_PROC_BIND.
> * icv.c (omp_set_nested): Express in terms of
> max_active_levels_var.
> (omp_get_nested): Likewise.
> (omp_set_max_active_levels): Use max_active_levels_var field instead
> of gomp_max_active_levels_var.
> (omp_get_max_active_levels): Likewise.
> * libgomp.h (struct gomp_task_icv): Remove nest_var field. Add
> max_active_levels_var field.
> (gomp_supported_active_levels): Set to UCHAR_MAX.
> (gomp_max_active_levels_var): Delete.
> * libgomp.texi (omp_get_nested): Update documentation.
> (omp_set_nested): Likewise.
> (OMP_MAX_ACTIVE_LEVELS): Likewise.
> (OMP_NESTED): Likewise.
> (OMP_NUM_THREADS): Likewise.
> (OMP_PROC_BIND): Likewise.
> * parallel.c (gomp_resolve_num_threads): Replace reference
> to nest_var with max_active_levels_var. Use max_active_levels_var
> field instead of gomp_max_active_levels_var.
LGTM, thanks.
Jakub
