Index: src/atomic_powerpc.h
==================================================================
--- src/atomic_powerpc.h
+++ src/atomic_powerpc.h
@@ -23,10 +23,11 @@
 	    "add	%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -39,10 +40,11 @@
 	    "add	%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -55,10 +57,11 @@
 	    "add	%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return (void *)i;
 }
 
@@ -71,10 +74,11 @@
 	    "sub	%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -87,10 +91,11 @@
 	    "sub	%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -103,10 +108,11 @@
 	    "sub	%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return (void *)i;
 }
 
@@ -121,10 +127,11 @@
 	    "addi	%0, %0, 1\n\t"
 	    "stwcx.	%0, 0, %1\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -139,10 +146,11 @@
 	    "addi	%0, %0, 1\n\t"
 	    "stwcx.	%0, 0, %1\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -157,10 +165,11 @@
 	    "subi	%0, %0, 1\n\t"
 	    "stwcx.	%0, 0, %1\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -175,10 +184,11 @@
 	    "subi	%0, %0, 1\n\t"
 	    "stwcx.	%0, 0, %1\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -191,10 +201,11 @@
 	    "or		%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -207,10 +218,11 @@
 	    "or		%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -223,10 +235,11 @@
 	    "and	%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -239,10 +252,11 @@
 	    "and	%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -255,10 +269,11 @@
 	    "xor	%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -271,10 +286,11 @@
 	    "xor	%0, %0, %1\n\t"
 	    "stwcx.	%0, 0, %2\n\t"
 	    "bne-	0b"
 	    : "=&r"(i)
 	    : "r"(i), "r"(p)
+	    : "cc", "memory"
 	);
 
 	return i;
 }
 
@@ -296,11 +312,11 @@
 	    "stwcx.	%0, 0, %3\n\t"
 	    "li		%0, 0\n\t"
 	    "2:"
 	    : "=&r"(r)
 	    : "r"(o), "r"(n), "r"(p)
-	    : "cc"
+	    : "cc", "memory"
 	);
 
 	return r;
 }
 
@@ -322,11 +338,11 @@
 	    "stwcx.	%0, 0, %3\n\t"
 	    "li		%0, 0\n\t"
 	    "2:"
 	    : "=&r"(r)
 	    : "r"(o), "r"(n), "r"(p)
-	    : "cc"
+	    : "cc", "memory"
 	);
 
 	return r;
 }
 
@@ -349,11 +365,11 @@
 	    "stwcx.	%0, 0, %3\n\t"
 	    "li		%0, 0\n\t"
 	    "2:"
 	    : "=&r"(r)
 	    : "r"(o), "r"(n), "r"(p)
-	    : "cc"
+	    : "cc", "memory"
 	);
 
 	return r;
 }