2000-11-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>

	* config/cpu/powerpc/bits/atomicity.h (__exchange_and_add): Silence
	preprocessor multi-line string warnings.
	(__atomic_add): Likewise.
	(__compare_and_swap): Likewise.
	(__always_swap): Likewise.
	(__test_and_set): Likewise.
	* config/cpu/arm/bits/atomicity.h (__exchange_and_add): Likewise.
	(__atomic_add): Likewise.
	(__compare_and_swap): Likewise.
	(__always_swap): Likewise.
	(__test_and_set): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37831 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 771417a..11e529a 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,17 @@
+2000-11-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * config/cpu/powerpc/bits/atomicity.h (__exchange_and_add): Silence
+       preprocessor multi-line string warnings.
+       (__atomic_add): Likewise.
+       (__compare_and_swap): Likewise.
+       (__always_swap): Likewise.
+       (__test_and_set): Likewise.
+       * config/cpu/arm/bits/atomicity.h (__exchange_and_add): Likewise.
+       (__atomic_add): Likewise.
+       (__compare_and_swap): Likewise.
+       (__always_swap): Likewise.
+       (__test_and_set): Likewise.
+
 2000-11-28  Benjamin Kosnik  <bkoz@purist.soma.redhat.com>
 
        Update for 2.91 release.

diff --git a/libstdc++-v3/config/cpu/arm/bits/atomicity.h b/libstdc++-v3/config/cpu/arm/bits/atomicity.h
index 3684d95..3298775 100644 (file)
--- a/libstdc++-v3/config/cpu/arm/bits/atomicity.h
+++ b/libstdc++-v3/config/cpu/arm/bits/atomicity.h
@@ -27,16 +27,19 @@ __attribute__ ((__unused__))
 __exchange_and_add (volatile _Atomic_word* __mem, int __val)
 {
   _Atomic_word __tmp, __tmp2, __result;
-  __asm__ __volatile__ ("\
-0:      ldr     %0,[%3]
-        add     %1,%0,%4
-        swp     %2,%1,[%3]
-        cmp     %0,%2
-        swpne   %1,%2,[%3]
-        bne     0b
-" : "=&r"(__result), "=&r"(__tmp), "=&r"(__tmp2) 
-  : "r" (__mem), "r"(__val) 
-  : "cc", "memory");
+  __asm__ __volatile__ (
+       "\n"
+       "0:\t"
+       "ldr     %0,[%3] \n\t"
+       "add     %1,%0,%4 \n\t"
+       "swp     %2,%1,[%3] \n\t"
+       "cmp     %0,%2 \n\t"
+       "swpne   %1,%2,[%3] \n\t"
+       "bne     0b \n\t"
+       ""
+       : "=&r"(__result), "=&r"(__tmp), "=&r"(__tmp2) 
+       : "r" (__mem), "r"(__val) 
+       : "cc", "memory");
   return __result;
 }
 
@@ -45,16 +48,19 @@ __attribute__ ((__unused__))
 __atomic_add (volatile _Atomic_word *__mem, int __val)
 {
   _Atomic_word __tmp, __tmp2, __tmp3;
-  __asm__ __volatile__ ("\
-0:      ldr     %0,[%3]
-        add     %1,%0,%4
-        swp     %2,%1,[%3]
-        cmp     %0,%2
-        swpne   %1,%2,[%3]
-        bne     0b
-" : "=&r"(__tmp), "=&r"(__tmp2), "=&r"(__tmp3) 
-  : "r" (__mem), "r"(__val) 
-  : "cc", "memory");
+  __asm__ __volatile__ (
+       "\n"
+       "0:\t"
+       "ldr     %0,[%3] \n\t"
+       "add     %1,%0,%4 \n\t"
+       "swp     %2,%1,[%3] \n\t"
+       "cmp     %0,%2 \n\t"
+       "swpne   %1,%2,[%3] \n\t"
+       "bne     0b \n\t"
+       ""
+       : "=&r"(__tmp), "=&r"(__tmp2), "=&r"(__tmp3) 
+       : "r" (__mem), "r"(__val) 
+       : "cc", "memory");
 }
 
 static inline int
@@ -63,20 +69,23 @@ __compare_and_swap (volatile long *__p, long __oldval, long __newval)
 {
   int __result;
   long __tmp;
-  __asm__ __volatile__ ("\
-0:      ldr     %1,[%2]
-        mov     %0,#0
-        cmp     %1,%4
-        bne     1f
-        swp     %0,%3,[%2]
-        cmp     %1,%0
-        swpne   %1,%0,[%2]
-        bne     0b
-        mov     %0,#1
-1:
-" : "=&r"(__result), "=&r"(__tmp) 
-  : "r" (__p), "r" (__newval), "r" (__oldval) 
-  : "cc", "memory");
+  __asm__ __volatile__ (
+       "\n"
+       "0:\t"
+       "ldr     %1,[%2] \n\t"
+       "mov     %0,#0 \n\t"
+       "cmp     %1,%4 \n\t"
+       "bne     1f \n\t"
+       "swp     %0,%3,[%2] \n\t"
+       "cmp     %1,%0 \n\t"
+       "swpne   %1,%0,[%2] \n\t"
+       "bne     0b \n\t"
+       "mov     %0,#1 \n"
+       "1:\n\t"
+       ""
+       : "=&r"(__result), "=&r"(__tmp) 
+       : "r" (__p), "r" (__newval), "r" (__oldval) 
+       : "cc", "memory");
   return __result;
 }
 
@@ -85,9 +94,13 @@ __attribute__ ((__unused__))
 __always_swap (volatile long *__p, long __newval)
 {
   long __result;
-  __asm__ __volatile__ ("\
-        swp     %0,%2,[%1]
-" : "=&r"(__result) : "r"(__p), "r"(__newval) : "memory");
+  __asm__ __volatile__ (
+       "\n\t"
+       "swp     %0,%2,[%1] \n\t"
+       ""
+       : "=&r"(__result)
+       : "r"(__p), "r"(__newval)
+       : "memory");
   return __result;
 }
 
@@ -97,18 +110,21 @@ __test_and_set (volatile long *__p, long __newval)
 {
   int __result;
   long __tmp;
-  __asm__ __volatile__ ("\
-0:      ldr     %0,[%2]
-        cmp     %0,#0
-        bne     1f
-        swp     %1,%3,[%2]
-        cmp     %0,%1
-        swpne   %0,%1,[%2]
-        bne     0b
-1:
-" : "=&r"(__result), "=r" (__tmp) 
-  : "r"(__p), "r"(__newval) 
-  : "cc", "memory");
+  __asm__ __volatile__ (
+       "\n"
+       "0:\t"
+       "ldr     %0,[%2] \n\t"
+       "cmp     %0,#0 \n\t"
+       "bne     1f \n\t"
+       "swp     %1,%3,[%2] \n\t"
+       "cmp     %0,%1 \n\t"
+       "swpne   %0,%1,[%2] \n\t"
+       "bne     0b \n"
+       "1:\n\t"
+       ""
+       : "=&r"(__result), "=r" (__tmp) 
+       : "r"(__p), "r"(__newval) 
+       : "cc", "memory");
   return __result;
 }
 

diff --git a/libstdc++-v3/config/cpu/powerpc/bits/atomicity.h b/libstdc++-v3/config/cpu/powerpc/bits/atomicity.h
index cd77f98..667572d 100644 (file)
--- a/libstdc++-v3/config/cpu/powerpc/bits/atomicity.h
+++ b/libstdc++-v3/config/cpu/powerpc/bits/atomicity.h
@@ -27,12 +27,17 @@ __attribute__ ((__unused__))
 __exchange_and_add (volatile _Atomic_word* __mem, int __val)
 {
   _Atomic_word __tmp, __res;
-  __asm__ __volatile__ ("\
-0:     lwarx   %0,0,%2
-       add%I3  %1,%0,%3
-       stwcx.  %1,0,%2
-       bne-    0b
-" : "=&b"(__res), "=&r"(__tmp) : "r" (__mem), "Ir"(__val) : "cr0", "memory");
+  __asm__ __volatile__ (
+       "/* Inline exchange & add */\n"
+       "0:\t"
+       "lwarx    %0,0,%2 \n\t"
+       "add%I3   %1,%0,%3 \n\t"
+       "stwcx.   %1,0,%2 \n\t"
+       "bne-     0b \n\t"
+       "/* End exchange & add */"
+       : "=&b"(__res), "=&r"(__tmp)
+       : "r" (__mem), "Ir"(__val)
+       : "cr0", "memory");
   return __res;
 }
 
@@ -41,12 +46,17 @@ __attribute__ ((__unused__))
 __atomic_add (volatile _Atomic_word *__mem, int __val)
 {
   _Atomic_word __tmp;
-  __asm__ __volatile__ ("\
-0:     lwarx   %0,0,%1
-       add%I2  %0,%0,%2
-       stwcx.  %0,0,%1
-       bne-    0b
-" : "=&b"(__tmp) : "r" (__mem), "Ir"(__val) : "cr0", "memory");
+  __asm__ __volatile__ (
+       "/* Inline atomic add */\n"
+       "0:\t"
+       "lwarx    %0,0,%1 \n\t"
+       "add%I2   %0,%0,%2 \n\t"
+       "stwcx.   %0,0,%1 \n\t"
+       "bne-     0b \n\t"
+       "/* End atomic add */"
+       : "=&b"(__tmp)
+       : "r" (__mem), "Ir"(__val)
+       : "cr0", "memory");
 }
 
 static inline int
@@ -54,15 +64,20 @@ __attribute__ ((__unused__))
 __compare_and_swap (volatile long *__p, long int __oldval, long int __newval)
 {
   int __res;
-  __asm__ __volatile__ ("\
-0:     lwarx   %0,0,%1
-       sub%I2c.        %0,%0,%2
-       cntlzw  %0,%0
-       bne-    1f
-       stwcx.  %3,0,%1
-       bne-    0b
-1:
-" : "=&b"(__res) : "r"(__p), "Ir"(__oldval), "r"(__newval) : "cr0", "memory");
+  __asm__ __volatile__ (
+       "/* Inline compare & swap */\n"
+       "0:\t"
+       "lwarx    %0,0,%1  \n\t"
+       "sub%I2c. %0,%0,%2 \n\t"
+       "cntlzw   %0,%0 \n\t"
+       "bne-     1f \n\t"
+       "stwcx.   %3,0,%1 \n\t"
+       "bne-     0b \n"
+       "1:\n\t"
+       "/* End compare & swap */"
+       : "=&b"(__res)
+       : "r"(__p), "Ir"(__oldval), "r"(__newval)
+       : "cr0", "memory");
   return __res >> 5;
 }
 
@@ -71,11 +86,16 @@ __attribute__ ((__unused__))
 __always_swap (volatile long *__p, long int __newval)
 {
   long __res;
-  __asm__ __volatile__ ("\
-0:     lwarx   %0,0,%1
-       stwcx.  %2,0,%1
-       bne-    0b
-" : "=&r"(__res) : "r"(__p), "r"(__newval) : "cr0", "memory");
+  __asm__ __volatile__ (
+       "/* Inline always swap */\n"
+       "0:\t"
+       "lwarx    %0,0,%1 \n\t"
+       "stwcx.   %2,0,%1 \n\t"
+       "bne-     0b \n\t"
+       "/* End always swap */"
+       : "=&r"(__res)
+       : "r"(__p), "r"(__newval)
+       : "cr0", "memory");
   return __res;
 }
 
@@ -84,14 +104,19 @@ __attribute__ ((__unused__))
 __test_and_set (volatile long *__p, long int __newval)
 {
   int __res;
-  __asm__ __volatile__ ("\
-0:     lwarx   %0,0,%1
-       cmpwi   %0,0
-       bne-    1f
-       stwcx.  %2,0,%1
-       bne-    0b
-1:
-" : "=&r"(__res) : "r"(__p), "r"(__newval) : "cr0", "memory");
+  __asm__ __volatile__ (
+       "/* Inline test & set */\n"
+       "0:\t"
+       "lwarx    %0,0,%1 \n\t"
+       "cmpwi    %0,0 \n\t"
+       "bne-     1f \n\t"
+       "stwcx.   %2,0,%1 \n\t"
+       "bne-     0b \n"
+       "1:\n\t"
+       "/* End test & set */"
+       : "=&r"(__res)
+       : "r"(__p), "r"(__newval)
+       : "cr0", "memory");
   return __res;
 }