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re PR libgomp/65742 (Several libgomp.oacc-* failures after r221922.) 

PR libgomp/65742

    gcc/
    * builtins.c (expand_builtin_acc_on_device): Don't use open-coded
    sequence for !ACCEL_COMPILER.

    libgomp/
    * oacc-init.c (plugin/plugin-host.h): Include.
    (acc_on_device): Check whether we're in an offloaded region for
    host_nonshm
    plugin. Don't use __builtin_acc_on_device.
    * plugin/plugin-host.c (GOMP_OFFLOAD_openacc_parallel): Set
    nonshm_exec flag in thread-local data.
    (GOMP_OFFLOAD_openacc_create_thread_data): Allocate thread-local
    data for host_nonshm plugin.
    (GOMP_OFFLOAD_openacc_destroy_thread_data): Free thread-local data
    for host_nonshm plugin.
    * plugin/plugin-host.h: New.

From-SVN: r223801
This commit is contained in:
Julian Brown 2015-05-28 09:29:19 +00:00 committed by Julian Brown
parent 7d9880c94c
commit 32eaed9380
6 changed files with 94 additions and 10 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2015-05-28 Julian Brown <julian@codesourcery.com>
PR libgomp/65742
* builtins.c (expand_builtin_acc_on_device): Don't use open-coded
sequence for !ACCEL_COMPILER.
2015-05-28 Nick Clifton <nickc@redhat.com>
* config/rx/rx.c (push_regs): New function. Extracts code from...

9
gcc/builtins.c
View File

@ -5913,6 +5913,7 @@ expand_stack_save (void)
static rtx
expand_builtin_acc_on_device (tree exp, rtx target)
{
#ifdef ACCEL_COMPILER
if (!validate_arglist (exp, INTEGER_TYPE, VOID_TYPE))
return NULL_RTX;
@ -5921,13 +5922,8 @@ expand_builtin_acc_on_device (tree exp, rtx target)
/* Return (arg == v1 || arg == v2) ? 1 : 0. */
machine_mode v_mode = TYPE_MODE (TREE_TYPE (arg));
rtx v = expand_normal (arg), v1, v2;
#ifdef ACCEL_COMPILER
v1 = GEN_INT (GOMP_DEVICE_NOT_HOST);
v2 = GEN_INT (ACCEL_COMPILER_acc_device);
#else
v1 = GEN_INT (GOMP_DEVICE_NONE);
v2 = GEN_INT (GOMP_DEVICE_HOST);
#endif
machine_mode target_mode = TYPE_MODE (integer_type_node);
if (!target || !register_operand (target, target_mode))
target = gen_reg_rtx (target_mode);
@ -5941,6 +5937,9 @@ expand_builtin_acc_on_device (tree exp, rtx target)
emit_label (done_label);
return target;
#else
return NULL;
#endif
}

16
libgomp/ChangeLog
View File

@ -1,3 +1,19 @@
2015-05-28 Julian Brown <julian@codesourcery.com>
PR libgomp/65742
* oacc-init.c (plugin/plugin-host.h): Include.
(acc_on_device): Check whether we're in an offloaded region for
host_nonshm
plugin. Don't use __builtin_acc_on_device.
* plugin/plugin-host.c (GOMP_OFFLOAD_openacc_parallel): Set
nonshm_exec flag in thread-local data.
(GOMP_OFFLOAD_openacc_create_thread_data): Allocate thread-local
data for host_nonshm plugin.
(GOMP_OFFLOAD_openacc_destroy_thread_data): Free thread-local data
for host_nonshm plugin.
* plugin/plugin-host.h: New.
2015-05-27 Uros Bizjak <ubizjak@gmail.com>
* config/linux/ia64/futex.h (sys_futex0) Change operand "op" to int.

14
libgomp/oacc-init.c
View File

@ -29,6 +29,7 @@
#include "libgomp.h"
#include "oacc-int.h"
#include "openacc.h"
#include "plugin/plugin-host.h"
#include <assert.h>
#include <stdlib.h>
#include <strings.h>
@ -580,11 +581,18 @@ ialias (acc_set_device_num)
int
acc_on_device (acc_device_t dev)
{
if (acc_get_device_type () == acc_device_host_nonshm)
struct goacc_thread *thr = goacc_thread ();
/* We only want to appear to be the "host_nonshm" plugin from "offloaded"
code -- i.e. within a parallel region. Test a flag set by the
openacc_parallel hook of the host_nonshm plugin to determine that. */
if (acc_get_device_type () == acc_device_host_nonshm
&& thr && thr->target_tls
&& ((struct nonshm_thread *)thr->target_tls)->nonshm_exec)
return dev == acc_device_host_nonshm || dev == acc_device_not_host;
/* Just rely on the compiler builtin. */
return __builtin_acc_on_device (dev);
/* For OpenACC, libgomp is only built for the host, so this is sufficient. */
return dev == acc_device_host || dev == acc_device_none;
}
ialias (acc_on_device)

21
libgomp/plugin/plugin-host.c
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@ -44,6 +44,7 @@
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdbool.h>
#ifdef HOST_NONSHM_PLUGIN
#define STATIC
@ -55,6 +56,10 @@
#define SELF "host: "
#endif
#ifdef HOST_NONSHM_PLUGIN
#include "plugin-host.h"
#endif
STATIC const char *
GOMP_OFFLOAD_get_name (void)
{
@ -174,7 +179,10 @@ GOMP_OFFLOAD_openacc_parallel (void (*fn) (void *),
void *targ_mem_desc __attribute__ ((unused)))
{
#ifdef HOST_NONSHM_PLUGIN
struct nonshm_thread *thd = GOMP_PLUGIN_acc_thread ();
thd->nonshm_exec = true;
fn (devaddrs);
thd->nonshm_exec = false;
#else
fn (hostaddrs);
#endif
@ -232,11 +240,20 @@ STATIC void *
GOMP_OFFLOAD_openacc_create_thread_data (int ord
__attribute__ ((unused)))
{
#ifdef HOST_NONSHM_PLUGIN
struct nonshm_thread *thd
= GOMP_PLUGIN_malloc (sizeof (struct nonshm_thread));
thd->nonshm_exec = false;
return thd;
#else
return NULL;
#endif
}
STATIC void
GOMP_OFFLOAD_openacc_destroy_thread_data (void *tls_data
__attribute__ ((unused)))
GOMP_OFFLOAD_openacc_destroy_thread_data (void *tls_data)
{
#ifdef HOST_NONSHM_PLUGIN
free (tls_data);
#endif
}

37
libgomp/plugin/plugin-host.h Normal file
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@ -0,0 +1,37 @@
/* OpenACC Runtime Library: acc_device_host, acc_device_host_nonshm.
Copyright (C) 2015 Free Software Foundation, Inc.
Contributed by Mentor Embedded.
This file is part of the GNU Offloading and Multi Processing Library
(libgomp).
Libgomp is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef PLUGIN_HOST_H
#define PLUGIN_HOST_H
struct nonshm_thread
{
bool nonshm_exec;
};
#endif