powerpc: Convert to %r for all GPR usage

Now all the fixes are in place, let's rock-n-roll!

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 19205f5..f6f67db 100644 (file)
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -490,40 +490,46 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 #define        cr7     7
 
 
-/* General Purpose Registers (GPRs) */
-
-#define        r0      0
-#define        r1      1
-#define        r2      2
-#define        r3      3
-#define        r4      4
-#define        r5      5
-#define        r6      6
-#define        r7      7
-#define        r8      8
-#define        r9      9
-#define        r10     10
-#define        r11     11
-#define        r12     12
-#define        r13     13
-#define        r14     14
-#define        r15     15
-#define        r16     16
-#define        r17     17
-#define        r18     18
-#define        r19     19
-#define        r20     20
-#define        r21     21
-#define        r22     22
-#define        r23     23
-#define        r24     24
-#define        r25     25
-#define        r26     26
-#define        r27     27
-#define        r28     28
-#define        r29     29
-#define        r30     30
-#define        r31     31
+/*
+ * General Purpose Registers (GPRs)
+ *
+ * The lower case r0-r31 should be used in preference to the upper
+ * case R0-R31 as they provide more error checking in the assembler.
+ * Use R0-31 only when really nessesary.
+ */
+
+#define        r0      %r0
+#define        r1      %r1
+#define        r2      %r2
+#define        r3      %r3
+#define        r4      %r4
+#define        r5      %r5
+#define        r6      %r6
+#define        r7      %r7
+#define        r8      %r8
+#define        r9      %r9
+#define        r10     %r10
+#define        r11     %r11
+#define        r12     %r12
+#define        r13     %r13
+#define        r14     %r14
+#define        r15     %r15
+#define        r16     %r16
+#define        r17     %r17
+#define        r18     %r18
+#define        r19     %r19
+#define        r20     %r20
+#define        r21     %r21
+#define        r22     %r22
+#define        r23     %r23
+#define        r24     %r24
+#define        r25     %r25
+#define        r26     %r26
+#define        r27     %r27
+#define        r28     %r28
+#define        r29     %r29
+#define        r30     %r30
+#define        r31     %r31
 
 
 /* Floating Point Registers (FPRs) */