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authorWaldemar Brodkorb <wbx@openadk.org>2015-02-14 23:04:02 -0600
committerWaldemar Brodkorb <wbx@openadk.org>2015-02-14 23:04:02 -0600
commite1e46622ac0fce73d802fa4a8a2e83cc25cd9e7a (patch)
tree2c8d14e4dcc733f4227f0984ed05da5826b13acd /libpthread/linuxthreads/sysdeps/mips/pt-machine.h
parent6b6ede3d15f04fe825cfa9f697507457e3640344 (diff)
Revert "resolve merge"
This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344.
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/mips/pt-machine.h')
-rw-r--r--libpthread/linuxthreads/sysdeps/mips/pt-machine.h41
1 files changed, 12 insertions, 29 deletions
diff --git a/libpthread/linuxthreads/sysdeps/mips/pt-machine.h b/libpthread/linuxthreads/sysdeps/mips/pt-machine.h
index caaf9a7c0..74e8807eb 100644
--- a/libpthread/linuxthreads/sysdeps/mips/pt-machine.h
+++ b/libpthread/linuxthreads/sysdeps/mips/pt-machine.h
@@ -24,40 +24,13 @@
#define _PT_MACHINE_H 1
#include <features.h>
+#include <sgidefs.h>
+#include <sys/tas.h>
#ifndef PT_EI
# define PT_EI __extern_always_inline
#endif
-/* Copyright (C) 2000, 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000. */
-static __inline__ int
-__NTH (_test_and_set (int *p, int v))
-{
- int r, t;
-
- __asm__ __volatile__
- ("/* Inline test and set */\n"
- "1:\n\t"
- ".set push\n\t"
- ".set mips2\n\t"
- "ll %0,%3\n\t"
- "move %1,%4\n\t"
- "beq %0,%4,2f\n\t"
- "sc %1,%2\n\t"
- ".set pop\n\t"
- "beqz %1,1b\n"
- "2:\n\t"
- "/* End test and set */"
- : "=&r" (r), "=&r" (t), "=m" (*p)
- : "m" (*p), "r" (v)
- : "memory");
-
- return r;
-}
-
-
/* Spinlock implementation; required. */
PT_EI long int
@@ -85,12 +58,22 @@ __compare_and_swap (long int *p, long int oldval, long int newval)
("/* Inline compare & swap */\n"
"1:\n\t"
".set push\n\t"
+#if _MIPS_SIM == _ABIO32
".set mips2\n\t"
+#endif
+#if _MIPS_SIM == _ABI64
+ "lld %1,%5\n\t"
+#else
"ll %1,%5\n\t"
+#endif
"move %0,$0\n\t"
"bne %1,%3,2f\n\t"
"move %0,%4\n\t"
+#if _MIPS_SIM == _ABI64
+ "scd %0,%2\n\t"
+#else
"sc %0,%2\n\t"
+#endif
".set pop\n\t"
"beqz %0,1b\n"
"2:\n\t"