parisc: Fix wrong comment for shr macro

The comment that the source and target register can not be the same is
wrong. Instead on PA2.0 usage of extru can clobber upper 32-bits.
This patch fixes the comment.

Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/arch/parisc/include/asm/assembly.h b/arch/parisc/include/asm/assembly.h
index ea0cb318b13d23ad11aa42cef988a4098ce36451..be784b41048c7ca0534414b91fc28a179ae33f7d 100644 (file)
--- a/arch/parisc/include/asm/assembly.h
+++ b/arch/parisc/include/asm/assembly.h
@@ -143,7 +143,7 @@
        depd,z  \r, 63-(\sa), 64-(\sa), \t
        .endm
 
-       /* Shift Right - note the r and t can NOT be the same! */
+       /* Shift Right for 32-bit. Clobbers upper 32-bit on PA2.0. */
        .macro shr r, sa, t
        extru \r, 31-(\sa), 32-(\sa), \t
        .endm