]> err.no Git - linux-2.6/commitdiff
Enable a suitable ISA for the assembler around ll/sc so that code
authorMaciej W. Rozycki <macro@linux-mips.org>
Tue, 14 Jun 2005 17:35:03 +0000 (17:35 +0000)
committerRalf Baechle <ralf@linux-mips.org>
Sat, 29 Oct 2005 18:31:22 +0000 (19:31 +0100)
builds even for processors that don't support the instructions.
Plus minor formatting fixes.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/kernel/semaphore.c
include/asm-mips/atomic.h
include/asm-mips/bitops.h
include/asm-mips/system.h

index 9c40fe5a8e8d28809428f8fc5f5e902e8fc41d3e..dbb145ee00a7edd2ec595a9465f70a7bdff8a908 100644 (file)
@@ -42,24 +42,28 @@ static inline int __sem_update_count(struct semaphore *sem, int incr)
 
        if (cpu_has_llsc && R10000_LLSC_WAR) {
                __asm__ __volatile__(
-               "1:     ll      %0, %2                                  \n"
+               "       .set    mips2                                   \n"
+               "1:     ll      %0, %2          # __sem_update_count    \n"
                "       sra     %1, %0, 31                              \n"
                "       not     %1                                      \n"
                "       and     %1, %0, %1                              \n"
-               "       add     %1, %1, %3                              \n"
+               "       addu    %1, %1, %3                              \n"
                "       sc      %1, %2                                  \n"
                "       beqzl   %1, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (old_count), "=&r" (tmp), "=m" (sem->count)
                : "r" (incr), "m" (sem->count));
        } else if (cpu_has_llsc) {
                __asm__ __volatile__(
-               "1:     ll      %0, %2                                  \n"
+               "       .set    mips2                                   \n"
+               "1:     ll      %0, %2          # __sem_update_count    \n"
                "       sra     %1, %0, 31                              \n"
                "       not     %1                                      \n"
                "       and     %1, %0, %1                              \n"
-               "       add     %1, %1, %3                              \n"
+               "       addu    %1, %1, %3                              \n"
                "       sc      %1, %2                                  \n"
                "       beqz    %1, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (old_count), "=&r" (tmp), "=m" (sem->count)
                : "r" (incr), "m" (sem->count));
        } else {
index c0bd8d014e14740a6e49a66d85f60a115a42e951..80ea3fbd3ece8b19444710cfd8c38e729e0d708f 100644 (file)
@@ -62,20 +62,24 @@ static __inline__ void atomic_add(int i, atomic_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %0, %1          # atomic_add            \n"
                "       addu    %0, %2                                  \n"
                "       sc      %0, %1                                  \n"
                "       beqzl   %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter));
        } else if (cpu_has_llsc) {
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %0, %1          # atomic_add            \n"
                "       addu    %0, %2                                  \n"
                "       sc      %0, %1                                  \n"
                "       beqz    %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter));
        } else {
@@ -100,20 +104,24 @@ static __inline__ void atomic_sub(int i, atomic_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %0, %1          # atomic_sub            \n"
                "       subu    %0, %2                                  \n"
                "       sc      %0, %1                                  \n"
                "       beqzl   %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter));
        } else if (cpu_has_llsc) {
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %0, %1          # atomic_sub            \n"
                "       subu    %0, %2                                  \n"
                "       sc      %0, %1                                  \n"
                "       beqz    %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter));
        } else {
@@ -136,12 +144,14 @@ static __inline__ int atomic_add_return(int i, atomic_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %1, %2          # atomic_add_return     \n"
                "       addu    %0, %1, %3                              \n"
                "       sc      %0, %2                                  \n"
                "       beqzl   %0, 1b                                  \n"
                "       addu    %0, %1, %3                              \n"
                "       sync                                            \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
@@ -149,12 +159,14 @@ static __inline__ int atomic_add_return(int i, atomic_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %1, %2          # atomic_add_return     \n"
                "       addu    %0, %1, %3                              \n"
                "       sc      %0, %2                                  \n"
                "       beqz    %0, 1b                                  \n"
                "       addu    %0, %1, %3                              \n"
                "       sync                                            \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
@@ -179,12 +191,14 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %1, %2          # atomic_sub_return     \n"
                "       subu    %0, %1, %3                              \n"
                "       sc      %0, %2                                  \n"
                "       beqzl   %0, 1b                                  \n"
                "       subu    %0, %1, %3                              \n"
                "       sync                                            \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
@@ -192,12 +206,14 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %1, %2          # atomic_sub_return     \n"
                "       subu    %0, %1, %3                              \n"
                "       sc      %0, %2                                  \n"
                "       beqz    %0, 1b                                  \n"
                "       subu    %0, %1, %3                              \n"
                "       sync                                            \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
@@ -229,6 +245,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %1, %2          # atomic_sub_if_positive\n"
                "       subu    %0, %1, %3                              \n"
                "       bltz    %0, 1f                                  \n"
@@ -236,6 +253,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
                "       beqzl   %0, 1b                                  \n"
                "       sync                                            \n"
                "1:                                                     \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
@@ -243,6 +261,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %1, %2          # atomic_sub_if_positive\n"
                "       subu    %0, %1, %3                              \n"
                "       bltz    %0, 1f                                  \n"
@@ -250,6 +269,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
                "       beqz    %0, 1b                                  \n"
                "       sync                                            \n"
                "1:                                                     \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
@@ -367,20 +387,24 @@ static __inline__ void atomic64_add(long i, atomic64_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %0, %1          # atomic64_add          \n"
                "       addu    %0, %2                                  \n"
                "       scd     %0, %1                                  \n"
                "       beqzl   %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter));
        } else if (cpu_has_llsc) {
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %0, %1          # atomic64_add          \n"
                "       addu    %0, %2                                  \n"
                "       scd     %0, %1                                  \n"
                "       beqz    %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter));
        } else {
@@ -405,20 +429,24 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %0, %1          # atomic64_sub          \n"
                "       subu    %0, %2                                  \n"
                "       scd     %0, %1                                  \n"
                "       beqzl   %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter));
        } else if (cpu_has_llsc) {
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %0, %1          # atomic64_sub          \n"
                "       subu    %0, %2                                  \n"
                "       scd     %0, %1                                  \n"
                "       beqz    %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter));
        } else {
@@ -441,12 +469,14 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %1, %2          # atomic64_add_return   \n"
                "       addu    %0, %1, %3                              \n"
                "       scd     %0, %2                                  \n"
                "       beqzl   %0, 1b                                  \n"
                "       addu    %0, %1, %3                              \n"
                "       sync                                            \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
@@ -454,12 +484,14 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %1, %2          # atomic64_add_return   \n"
                "       addu    %0, %1, %3                              \n"
                "       scd     %0, %2                                  \n"
                "       beqz    %0, 1b                                  \n"
                "       addu    %0, %1, %3                              \n"
                "       sync                                            \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
@@ -484,12 +516,14 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %1, %2          # atomic64_sub_return   \n"
                "       subu    %0, %1, %3                              \n"
                "       scd     %0, %2                                  \n"
                "       beqzl   %0, 1b                                  \n"
                "       subu    %0, %1, %3                              \n"
                "       sync                                            \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
@@ -497,12 +531,14 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %1, %2          # atomic64_sub_return   \n"
                "       subu    %0, %1, %3                              \n"
                "       scd     %0, %2                                  \n"
                "       beqz    %0, 1b                                  \n"
                "       subu    %0, %1, %3                              \n"
                "       sync                                            \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
@@ -534,6 +570,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %1, %2          # atomic64_sub_if_positive\n"
                "       dsubu   %0, %1, %3                              \n"
                "       bltz    %0, 1f                                  \n"
@@ -541,6 +578,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
                "       beqzl   %0, 1b                                  \n"
                "       sync                                            \n"
                "1:                                                     \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
@@ -548,6 +586,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %1, %2          # atomic64_sub_if_positive\n"
                "       dsubu   %0, %1, %3                              \n"
                "       bltz    %0, 1f                                  \n"
@@ -555,6 +594,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
                "       beqz    %0, 1b                                  \n"
                "       sync                                            \n"
                "1:                                                     \n"
+               "       .set    mips0                                   \n"
                : "=&r" (result), "=&r" (temp), "=m" (v->counter)
                : "Ir" (i), "m" (v->counter)
                : "memory");
index eb8d79dba11ca104710662bf7fd8a2b941729187..1dc35879b362d2185de53b3bd10438b193bb008d 100644 (file)
 #if (_MIPS_SZLONG == 32)
 #define SZLONG_LOG 5
 #define SZLONG_MASK 31UL
-#define __LL   "ll     "
-#define __SC   "sc     "
+#define __LL           "ll     "
+#define __SC           "sc     "
+#define __SET_MIPS     ".set   mips2   "
 #define cpu_to_lelongp(x) cpu_to_le32p((__u32 *) (x))
 #elif (_MIPS_SZLONG == 64)
 #define SZLONG_LOG 6
 #define SZLONG_MASK 63UL
-#define __LL   "lld    "
-#define __SC   "scd    "
+#define __LL           "lld    "
+#define __SC           "scd    "
+#define __SET_MIPS     ".set   mips3   "
 #define cpu_to_lelongp(x) cpu_to_le64p((__u64 *) (x))
 #endif
 
@@ -72,18 +74,22 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
 
        if (cpu_has_llsc && R10000_LLSC_WAR) {
                __asm__ __volatile__(
+               "       " __SET_MIPS "                                  \n"
                "1:     " __LL "%0, %1                  # set_bit       \n"
                "       or      %0, %2                                  \n"
-               "       "__SC   "%0, %1                                 \n"
+               "       " __SC  "%0, %1                                 \n"
                "       beqzl   %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (*m)
                : "ir" (1UL << (nr & SZLONG_MASK)), "m" (*m));
        } else if (cpu_has_llsc) {
                __asm__ __volatile__(
+               "       " __SET_MIPS "                                  \n"
                "1:     " __LL "%0, %1                  # set_bit       \n"
                "       or      %0, %2                                  \n"
-               "       "__SC   "%0, %1                                 \n"
+               "       " __SC  "%0, %1                                 \n"
                "       beqz    %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (*m)
                : "ir" (1UL << (nr & SZLONG_MASK)), "m" (*m));
        } else {
@@ -132,18 +138,22 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
 
        if (cpu_has_llsc && R10000_LLSC_WAR) {
                __asm__ __volatile__(
+               "       " __SET_MIPS "                                  \n"
                "1:     " __LL "%0, %1                  # clear_bit     \n"
                "       and     %0, %2                                  \n"
                "       " __SC "%0, %1                                  \n"
                "       beqzl   %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (*m)
                : "ir" (~(1UL << (nr & SZLONG_MASK))), "m" (*m));
        } else if (cpu_has_llsc) {
                __asm__ __volatile__(
+               "       " __SET_MIPS "                                  \n"
                "1:     " __LL "%0, %1                  # clear_bit     \n"
                "       and     %0, %2                                  \n"
                "       " __SC "%0, %1                                  \n"
                "       beqz    %0, 1b                                  \n"
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (*m)
                : "ir" (~(1UL << (nr & SZLONG_MASK))), "m" (*m));
        } else {
@@ -191,10 +201,12 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       " __SET_MIPS "                          \n"
                "1:     " __LL "%0, %1          # change_bit    \n"
                "       xor     %0, %2                          \n"
-               "       "__SC   "%0, %1                         \n"
+               "       " __SC  "%0, %1                         \n"
                "       beqzl   %0, 1b                          \n"
+               "       .set    mips0                           \n"
                : "=&r" (temp), "=m" (*m)
                : "ir" (1UL << (nr & SZLONG_MASK)), "m" (*m));
        } else if (cpu_has_llsc) {
@@ -202,10 +214,12 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
                unsigned long temp;
 
                __asm__ __volatile__(
+               "       " __SET_MIPS "                          \n"
                "1:     " __LL "%0, %1          # change_bit    \n"
                "       xor     %0, %2                          \n"
-               "       "__SC   "%0, %1                         \n"
+               "       " __SC  "%0, %1                         \n"
                "       beqz    %0, 1b                          \n"
+               "       .set    mips0                           \n"
                : "=&r" (temp), "=m" (*m)
                : "ir" (1UL << (nr & SZLONG_MASK)), "m" (*m));
        } else {
@@ -253,14 +267,16 @@ static inline int test_and_set_bit(unsigned long nr,
                unsigned long temp, res;
 
                __asm__ __volatile__(
+               "       " __SET_MIPS "                                  \n"
                "1:     " __LL "%0, %1          # test_and_set_bit      \n"
                "       or      %2, %0, %3                              \n"
                "       " __SC  "%2, %1                                 \n"
                "       beqzl   %2, 1b                                  \n"
                "       and     %2, %0, %3                              \n"
 #ifdef CONFIG_SMP
-               "sync                                                   \n"
+               "       sync                                            \n"
 #endif
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (*m), "=&r" (res)
                : "r" (1UL << (nr & SZLONG_MASK)), "m" (*m)
                : "memory");
@@ -271,16 +287,18 @@ static inline int test_and_set_bit(unsigned long nr,
                unsigned long temp, res;
 
                __asm__ __volatile__(
-               "       .set    noreorder       # test_and_set_bit      \n"
-               "1:     " __LL "%0, %1                                  \n"
+               "       .set    push                                    \n"
+               "       .set    noreorder                               \n"
+               "       " __SET_MIPS "                                  \n"
+               "1:     " __LL "%0, %1          # test_and_set_bit      \n"
                "       or      %2, %0, %3                              \n"
                "       " __SC  "%2, %1                                 \n"
                "       beqz    %2, 1b                                  \n"
                "        and    %2, %0, %3                              \n"
 #ifdef CONFIG_SMP
-               "sync                                                   \n"
+               "       sync                                            \n"
 #endif
-               ".set\treorder"
+               "       .set    pop                                     \n"
                : "=&r" (temp), "=m" (*m), "=&r" (res)
                : "r" (1UL << (nr & SZLONG_MASK)), "m" (*m)
                : "memory");
@@ -343,15 +361,17 @@ static inline int test_and_clear_bit(unsigned long nr,
                unsigned long temp, res;
 
                __asm__ __volatile__(
+               "       " __SET_MIPS "                                  \n"
                "1:     " __LL  "%0, %1         # test_and_clear_bit    \n"
                "       or      %2, %0, %3                              \n"
                "       xor     %2, %3                                  \n"
-                       __SC    "%2, %1                                 \n"
+               "       " __SC  "%2, %1                                 \n"
                "       beqzl   %2, 1b                                  \n"
                "       and     %2, %0, %3                              \n"
 #ifdef CONFIG_SMP
                "       sync                                            \n"
 #endif
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (*m), "=&r" (res)
                : "r" (1UL << (nr & SZLONG_MASK)), "m" (*m)
                : "memory");
@@ -362,17 +382,19 @@ static inline int test_and_clear_bit(unsigned long nr,
                unsigned long temp, res;
 
                __asm__ __volatile__(
-               "       .set    noreorder       # test_and_clear_bit    \n"
-               "1:     " __LL  "%0, %1                                 \n"
+               "       .set    push                                    \n"
+               "       .set    noreorder                               \n"
+               "       " __SET_MIPS "                                  \n"
+               "1:     " __LL  "%0, %1         # test_and_clear_bit    \n"
                "       or      %2, %0, %3                              \n"
                "       xor     %2, %3                                  \n"
-                       __SC    "%2, %1                                 \n"
+               "       " __SC  "%2, %1                                 \n"
                "       beqz    %2, 1b                                  \n"
                "        and    %2, %0, %3                              \n"
 #ifdef CONFIG_SMP
                "       sync                                            \n"
 #endif
-               "       .set    reorder                                 \n"
+               "       .set    pop                                     \n"
                : "=&r" (temp), "=m" (*m), "=&r" (res)
                : "r" (1UL << (nr & SZLONG_MASK)), "m" (*m)
                : "memory");
@@ -435,14 +457,16 @@ static inline int test_and_change_bit(unsigned long nr,
                unsigned long temp, res;
 
                __asm__ __volatile__(
-               "1:     " __LL  " %0, %1        # test_and_change_bit   \n"
+               "       " __SET_MIPS "                                  \n"
+               "1:     " __LL  "%0, %1         # test_and_change_bit   \n"
                "       xor     %2, %0, %3                              \n"
-               "       "__SC   "%2, %1                                 \n"
+               "       " __SC  "%2, %1                                 \n"
                "       beqzl   %2, 1b                                  \n"
                "       and     %2, %0, %3                              \n"
 #ifdef CONFIG_SMP
                "       sync                                            \n"
 #endif
+               "       .set    mips0                                   \n"
                : "=&r" (temp), "=m" (*m), "=&r" (res)
                : "r" (1UL << (nr & SZLONG_MASK)), "m" (*m)
                : "memory");
@@ -453,16 +477,18 @@ static inline int test_and_change_bit(unsigned long nr,
                unsigned long temp, res;
 
                __asm__ __volatile__(
-               "       .set    noreorder       # test_and_change_bit   \n"
-               "1:     " __LL  " %0, %1                                \n"
+               "       .set    push                                    \n"
+               "       .set    noreorder                               \n"
+               "       " __SET_MIPS "                                  \n"
+               "1:     " __LL  "%0, %1         # test_and_change_bit   \n"
                "       xor     %2, %0, %3                              \n"
-               "       "__SC   "\t%2, %1                               \n"
+               "       " __SC  "\t%2, %1                               \n"
                "       beqz    %2, 1b                                  \n"
                "        and    %2, %0, %3                              \n"
 #ifdef CONFIG_SMP
                "       sync                                            \n"
 #endif
-               "       .set    reorder                                 \n"
+               "       .set    pop                                     \n"
                : "=&r" (temp), "=m" (*m), "=&r" (res)
                : "r" (1UL << (nr & SZLONG_MASK)), "m" (*m)
                : "memory");
index cd3a6bca7abd30848cc2d179db5cd4eaf9d7425e..ec29c9349e0765cb9837cba9e2d32932b7a6f542 100644 (file)
@@ -176,6 +176,7 @@ static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
                unsigned long dummy;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %0, %3                  # xchg_u32      \n"
                "       move    %2, %z4                                 \n"
                "       sc      %2, %1                                  \n"
@@ -184,6 +185,7 @@ static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
 #ifdef CONFIG_SMP
                "       sync                                            \n"
 #endif
+               "       .set    mips0                                   \n"
                : "=&r" (retval), "=m" (*m), "=&r" (dummy)
                : "R" (*m), "Jr" (val)
                : "memory");
@@ -191,6 +193,7 @@ static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
                unsigned long dummy;
 
                __asm__ __volatile__(
+               "       .set    mips2                                   \n"
                "1:     ll      %0, %3                  # xchg_u32      \n"
                "       move    %2, %z4                                 \n"
                "       sc      %2, %1                                  \n"
@@ -198,6 +201,7 @@ static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
 #ifdef CONFIG_SMP
                "       sync                                            \n"
 #endif
+               "       .set    mips0                                   \n"
                : "=&r" (retval), "=m" (*m), "=&r" (dummy)
                : "R" (*m), "Jr" (val)
                : "memory");
@@ -222,6 +226,7 @@ static inline __u64 __xchg_u64(volatile __u64 * m, __u64 val)
                unsigned long dummy;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %0, %3                  # xchg_u64      \n"
                "       move    %2, %z4                                 \n"
                "       scd     %2, %1                                  \n"
@@ -230,6 +235,7 @@ static inline __u64 __xchg_u64(volatile __u64 * m, __u64 val)
 #ifdef CONFIG_SMP
                "       sync                                            \n"
 #endif
+               "       .set    mips0                                   \n"
                : "=&r" (retval), "=m" (*m), "=&r" (dummy)
                : "R" (*m), "Jr" (val)
                : "memory");
@@ -237,6 +243,7 @@ static inline __u64 __xchg_u64(volatile __u64 * m, __u64 val)
                unsigned long dummy;
 
                __asm__ __volatile__(
+               "       .set    mips3                                   \n"
                "1:     lld     %0, %3                  # xchg_u64      \n"
                "       move    %2, %z4                                 \n"
                "       scd     %2, %1                                  \n"
@@ -244,6 +251,7 @@ static inline __u64 __xchg_u64(volatile __u64 * m, __u64 val)
 #ifdef CONFIG_SMP
                "       sync                                            \n"
 #endif
+               "       .set    mips0                                   \n"
                : "=&r" (retval), "=m" (*m), "=&r" (dummy)
                : "R" (*m), "Jr" (val)
                : "memory");
@@ -291,7 +299,9 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old,
 
        if (cpu_has_llsc && R10000_LLSC_WAR) {
                __asm__ __volatile__(
+               "       .set    push                                    \n"
                "       .set    noat                                    \n"
+               "       .set    mips2                                   \n"
                "1:     ll      %0, %2                  # __cmpxchg_u32 \n"
                "       bne     %0, %z3, 2f                             \n"
                "       move    $1, %z4                                 \n"
@@ -302,13 +312,15 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old,
                "       sync                                            \n"
 #endif
                "2:                                                     \n"
-               "       .set    at                                      \n"
+               "       .set    pop                                     \n"
                : "=&r" (retval), "=m" (*m)
                : "R" (*m), "Jr" (old), "Jr" (new)
                : "memory");
        } else if (cpu_has_llsc) {
                __asm__ __volatile__(
+               "       .set    push                                    \n"
                "       .set    noat                                    \n"
+               "       .set    mips2                                   \n"
                "1:     ll      %0, %2                  # __cmpxchg_u32 \n"
                "       bne     %0, %z3, 2f                             \n"
                "       move    $1, %z4                                 \n"
@@ -318,7 +330,7 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old,
                "       sync                                            \n"
 #endif
                "2:                                                     \n"
-               "       .set    at                                      \n"
+               "       .set    pop                                     \n"
                : "=&r" (retval), "=m" (*m)
                : "R" (*m), "Jr" (old), "Jr" (new)
                : "memory");
@@ -343,7 +355,9 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old,
 
        if (cpu_has_llsc) {
                __asm__ __volatile__(
+               "       .set    push                                    \n"
                "       .set    noat                                    \n"
+               "       .set    mips3                                   \n"
                "1:     lld     %0, %2                  # __cmpxchg_u64 \n"
                "       bne     %0, %z3, 2f                             \n"
                "       move    $1, %z4                                 \n"
@@ -354,13 +368,15 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old,
                "       sync                                            \n"
 #endif
                "2:                                                     \n"
-               "       .set    at                                      \n"
+               "       .set    pop                                     \n"
                : "=&r" (retval), "=m" (*m)
                : "R" (*m), "Jr" (old), "Jr" (new)
                : "memory");
        } else if (cpu_has_llsc) {
                __asm__ __volatile__(
+               "       .set    push                                    \n"
                "       .set    noat                                    \n"
+               "       .set    mips2                                   \n"
                "1:     lld     %0, %2                  # __cmpxchg_u64 \n"
                "       bne     %0, %z3, 2f                             \n"
                "       move    $1, %z4                                 \n"
@@ -370,7 +386,7 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old,
                "       sync                                            \n"
 #endif
                "2:                                                     \n"
-               "       .set    at                                      \n"
+               "       .set    pop                                     \n"
                : "=&r" (retval), "=m" (*m)
                : "R" (*m), "Jr" (old), "Jr" (new)
                : "memory");