FreeChainXenon/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

futex.h (sys_futex0): Remove function.

Browse source 
* config/linux/x86/futex.h (sys_futex0) [!__x86_64__]: Remove function.
	(futex_wait) [!__x86_64__]: Use __asm operand instead of sys_futex0.
	(futex_wake) [!__x86_64__]: Ditto.

From-SVN: r223821
This commit is contained in:
Uros Bizjak 2015-05-28 15:59:17 +02:00
parent de0e921c9d
commit bb3caa3577
2 changed files with 30 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
libgomp/ChangeLog
View file

@ -1,3 +1,9 @@
2015-05-28 Uros Bizjak <ubizjak@gmail.com>
* config/linux/x86/futex.h (sys_futex0) [!__x86_64__]: Remove function.
(futex_wait) [!__x86_64__]: Use __asm operand instead of sys_futex0.
(futex_wake) [!__x86_64__]: Ditto.
2015-05-28 Julian Brown <julian@codesourcery.com>
* oacc-init.c (resolve_device): Add FAIL_IS_ERROR argument. Update
@ -6,14 +12,14 @@
(acc_init_1, acc_shutdown_1): Update call to resolve_device. Call
acc_dev_num_out_of_range as appropriate.
(acc_get_num_devices, acc_set_device_type, acc_get_device_type)
(acc_get_device_num, acc_set_device_num): Update calls to resolve_device.
(acc_get_device_num, acc_set_device_num): Update calls to
resolve_device.
* testsuite/libgomp.oacc-c-c++-common/lib-4.c: Update expected test
output.
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
@ -40,8 +46,7 @@
2015-05-27 Uros Bizjak <ubizjak@gmail.com>
* config/linux/x86/futex.h (sys_futex0) [__PIC__]: Remove
sys_futex0 function.
* config/linux/x86/futex.h (sys_futex0) [__PIC__]: Remove function.
2015-05-27 Chung-Lin Tang <cltang@codesourcery.com>

36
libgomp/config/linux/x86/futex.h
View file

@ -81,43 +81,49 @@ futex_wake (int *addr, int count)
# define SYS_futex 240
# endif
static inline long
sys_futex0 (int *addr, int op, int val)
static inline void
futex_wait (int *addr, int val)
{
long res;
__asm volatile ("int $0x80"
: "=a" (res)
: "0"(SYS_futex), "b" (addr), "c"(op),
"d"(val), "S"(0)
: "0" (SYS_futex), "b" (addr), "c" (gomp_futex_wait),
"d" (val), "S" (0)
: "memory");
return res;
}
static inline void
futex_wait (int *addr, int val)
{
long res = sys_futex0 (addr, gomp_futex_wait, val);
if (__builtin_expect (res == -ENOSYS, 0))
{
gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
sys_futex0 (addr, gomp_futex_wait, val);
__asm volatile ("int $0x80"
: "=a" (res)
: "0" (SYS_futex), "b" (addr), "c" (gomp_futex_wait),
"d" (val), "S" (0)
: "memory");
}
}
static inline void
futex_wake (int *addr, int count)
{
long res = sys_futex0 (addr, gomp_futex_wake, count);
long res;
__asm volatile ("int $0x80"
: "=a" (res)
: "0" (SYS_futex), "b" (addr), "c" (gomp_futex_wake),
"d" (count)
: "memory");
if (__builtin_expect (res == -ENOSYS, 0))
{
gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
sys_futex0 (addr, gomp_futex_wake, count);
__asm volatile ("int $0x80"
: "=a" (res)
: "0" (SYS_futex), "b" (addr), "c" (gomp_futex_wake),
"d" (count)
: "memory");
}
}
#endif /* __x86_64__ */
static inline void