xtensa: use named assembly arguments in atomic.h

Numeric assembly arguments are hard to understand and assembly code that
uses them is hard to modify. Use named arguments in ATOMIC_OP,
ATOMIC_OP_RETURN and ATOMIC_FETCH_OP macros.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h
index 7b00d26..6bc5309 100644 (file)
--- a/arch/xtensa/include/asm/atomic.h
+++ b/arch/xtensa/include/asm/atomic.h
@@ -64,13 +64,13 @@ static inline void atomic_##op(int i, atomic_t *v)                  \
        int result;                                                     \
                                                                        \
        __asm__ __volatile__(                                           \
-                       "1:     l32ex   %1, %3\n"                       \
-                       "       " #op " %0, %1, %2\n"                   \
-                       "       s32ex   %0, %3\n"                       \
-                       "       getex   %0\n"                           \
-                       "       beqz    %0, 1b\n"                       \
-                       : "=&a" (result), "=&a" (tmp)                   \
-                       : "a" (i), "a" (v)                              \
+                       "1:     l32ex   %[tmp], %[addr]\n"              \
+                       "       " #op " %[result], %[tmp], %[i]\n"      \
+                       "       s32ex   %[result], %[addr]\n"           \
+                       "       getex   %[result]\n"                    \
+                       "       beqz    %[result], 1b\n"                \
+                       : [result] "=&a" (result), [tmp] "=&a" (tmp)    \
+                       : [i] "a" (i), [addr] "a" (v)                   \
                        : "memory"                                      \
                        );                                              \
 }                                                                      \
@@ -82,14 +82,14 @@ static inline int atomic_##op##_return(int i, atomic_t *v)          \
        int result;                                                     \
                                                                        \
        __asm__ __volatile__(                                           \
-                       "1:     l32ex   %1, %3\n"                       \
-                       "       " #op " %0, %1, %2\n"                   \
-                       "       s32ex   %0, %3\n"                       \
-                       "       getex   %0\n"                           \
-                       "       beqz    %0, 1b\n"                       \
-                       "       " #op " %0, %1, %2\n"                   \
-                       : "=&a" (result), "=&a" (tmp)                   \
-                       : "a" (i), "a" (v)                              \
+                       "1:     l32ex   %[tmp], %[addr]\n"              \
+                       "       " #op " %[result], %[tmp], %[i]\n"      \
+                       "       s32ex   %[result], %[addr]\n"           \
+                       "       getex   %[result]\n"                    \
+                       "       beqz    %[result], 1b\n"                \
+                       "       " #op " %[result], %[tmp], %[i]\n"      \
+                       : [result] "=&a" (result), [tmp] "=&a" (tmp)    \
+                       : [i] "a" (i), [addr] "a" (v)                   \
                        : "memory"                                      \
                        );                                              \
                                                                        \
@@ -103,13 +103,13 @@ static inline int atomic_fetch_##op(int i, atomic_t *v)                   \
        int result;                                                     \
                                                                        \
        __asm__ __volatile__(                                           \
-                       "1:     l32ex   %1, %3\n"                       \
-                       "       " #op " %0, %1, %2\n"                   \
-                       "       s32ex   %0, %3\n"                       \
-                       "       getex   %0\n"                           \
-                       "       beqz    %0, 1b\n"                       \
-                       : "=&a" (result), "=&a" (tmp)                   \
-                       : "a" (i), "a" (v)                              \
+                       "1:     l32ex   %[tmp], %[addr]\n"              \
+                       "       " #op " %[result], %[tmp], %[i]\n"      \
+                       "       s32ex   %[result], %[addr]\n"           \
+                       "       getex   %[result]\n"                    \
+                       "       beqz    %[result], 1b\n"                \
+                       : [result] "=&a" (result), [tmp] "=&a" (tmp)    \
+                       : [i] "a" (i), [addr] "a" (v)                   \
                        : "memory"                                      \
                        );                                              \
                                                                        \
@@ -124,13 +124,13 @@ static inline void atomic_##op(int i, atomic_t * v)                       \
        int result;                                                     \
                                                                        \
        __asm__ __volatile__(                                           \
-                       "1:     l32i    %1, %3, 0\n"                    \
-                       "       wsr     %1, scompare1\n"                \
-                       "       " #op " %0, %1, %2\n"                   \
-                       "       s32c1i  %0, %3, 0\n"                    \
-                       "       bne     %0, %1, 1b\n"                   \
-                       : "=&a" (result), "=&a" (tmp)                   \
-                       : "a" (i), "a" (v)                              \
+                       "1:     l32i    %[tmp], %[addr], 0\n"           \
+                       "       wsr     %[tmp], scompare1\n"            \
+                       "       " #op " %[result], %[tmp], %[i]\n"      \
+                       "       s32c1i  %[result], %[addr], 0\n"        \
+                       "       bne     %[result], %[tmp], 1b\n"        \
+                       : [result] "=&a" (result), [tmp] "=&a" (tmp)    \
+                       : [i] "a" (i), [addr] "a" (v)                   \
                        : "memory"                                      \
                        );                                              \
 }                                                                      \
@@ -142,14 +142,14 @@ static inline int atomic_##op##_return(int i, atomic_t * v)               \
        int result;                                                     \
                                                                        \
        __asm__ __volatile__(                                           \
-                       "1:     l32i    %1, %3, 0\n"                    \
-                       "       wsr     %1, scompare1\n"                \
-                       "       " #op " %0, %1, %2\n"                   \
-                       "       s32c1i  %0, %3, 0\n"                    \
-                       "       bne     %0, %1, 1b\n"                   \
-                       "       " #op " %0, %0, %2\n"                   \
-                       : "=&a" (result), "=&a" (tmp)                   \
-                       : "a" (i), "a" (v)                              \
+                       "1:     l32i    %[tmp], %[addr], 0\n"           \
+                       "       wsr     %[tmp], scompare1\n"            \
+                       "       " #op " %[result], %[tmp], %[i]\n"      \
+                       "       s32c1i  %[result], %[addr], 0\n"        \
+                       "       bne     %[result], %[tmp], 1b\n"        \
+                       "       " #op " %[result], %[result], %[i]\n"   \
+                       : [result] "=&a" (result), [tmp] "=&a" (tmp)    \
+                       : [i] "a" (i), [addr] "a" (v)                   \
                        : "memory"                                      \
                        );                                              \
                                                                        \
@@ -163,13 +163,13 @@ static inline int atomic_fetch_##op(int i, atomic_t * v)          \
        int result;                                                     \
                                                                        \
        __asm__ __volatile__(                                           \
-                       "1:     l32i    %1, %3, 0\n"                    \
-                       "       wsr     %1, scompare1\n"                \
-                       "       " #op " %0, %1, %2\n"                   \
-                       "       s32c1i  %0, %3, 0\n"                    \
-                       "       bne     %0, %1, 1b\n"                   \
-                       : "=&a" (result), "=&a" (tmp)                   \
-                       : "a" (i), "a" (v)                              \
+                       "1:     l32i    %[tmp], %[addr], 0\n"           \
+                       "       wsr     %[tmp], scompare1\n"            \
+                       "       " #op " %[result], %[tmp], %[i]\n"      \
+                       "       s32c1i  %[result], %[addr], 0\n"        \
+                       "       bne     %[result], %[tmp], 1b\n"        \
+                       : [result] "=&a" (result), [tmp] "=&a" (tmp)    \
+                       : [i] "a" (i), [addr] "a" (v)                   \
                        : "memory"                                      \
                        );                                              \
                                                                        \
@@ -184,14 +184,14 @@ static inline void atomic_##op(int i, atomic_t * v)                       \
        unsigned int vval;                                              \
                                                                        \
        __asm__ __volatile__(                                           \
-                       "       rsil    a15, "__stringify(TOPLEVEL)"\n"\
-                       "       l32i    %0, %2, 0\n"                    \
-                       "       " #op " %0, %0, %1\n"                   \
-                       "       s32i    %0, %2, 0\n"                    \
+                       "       rsil    a15, "__stringify(TOPLEVEL)"\n" \
+                       "       l32i    %[result], %[addr], 0\n"        \
+                       "       " #op " %[result], %[result], %[i]\n"   \
+                       "       s32i    %[result], %[addr], 0\n"        \
                        "       wsr     a15, ps\n"                      \
                        "       rsync\n"                                \
-                       : "=&a" (vval)                                  \
-                       : "a" (i), "a" (v)                              \
+                       : [result] "=&a" (vval)                         \
+                       : [i] "a" (i), [addr] "a" (v)                   \
                        : "a15", "memory"                               \
                        );                                              \
 }                                                                      \
@@ -203,13 +203,13 @@ static inline int atomic_##op##_return(int i, atomic_t * v)               \
                                                                        \
        __asm__ __volatile__(                                           \
                        "       rsil    a15,"__stringify(TOPLEVEL)"\n"  \
-                       "       l32i    %0, %2, 0\n"                    \
-                       "       " #op " %0, %0, %1\n"                   \
-                       "       s32i    %0, %2, 0\n"                    \
+                       "       l32i    %[result], %[addr], 0\n"        \
+                       "       " #op " %[result], %[result], %[i]\n"   \
+                       "       s32i    %[result], %[addr], 0\n"        \
                        "       wsr     a15, ps\n"                      \
                        "       rsync\n"                                \
-                       : "=&a" (vval)                                  \
-                       : "a" (i), "a" (v)                              \
+                       : [result] "=&a" (vval)                         \
+                       : [i] "a" (i), [addr] "a" (v)                   \
                        : "a15", "memory"                               \
                        );                                              \
                                                                        \
@@ -223,13 +223,13 @@ static inline int atomic_fetch_##op(int i, atomic_t * v)          \
                                                                        \
        __asm__ __volatile__(                                           \
                        "       rsil    a15,"__stringify(TOPLEVEL)"\n"  \
-                       "       l32i    %0, %3, 0\n"                    \
-                       "       " #op " %1, %0, %2\n"                   \
-                       "       s32i    %1, %3, 0\n"                    \
+                       "       l32i    %[result], %[addr], 0\n"        \
+                       "       " #op " %[tmp], %[result], %[i]\n"      \
+                       "       s32i    %[tmp], %[addr], 0\n"           \
                        "       wsr     a15, ps\n"                      \
                        "       rsync\n"                                \
-                       : "=&a" (vval), "=&a" (tmp)                     \
-                       : "a" (i), "a" (v)                              \
+                       : [result] "=&a" (vval), [tmp] "=&a" (tmp)      \
+                       : [i] "a" (i), [addr] "a" (v)                   \
                        : "a15", "memory"                               \
                        );                                              \
                                                                        \