When second argument pointer is unaligned, do not forget to fully initialize

%g1 magic value.

diff --git a/sysdeps/sparc/sparc64/strncmp.S b/sysdeps/sparc/sparc64/strncmp.S
index 3bc21d6664642a7c229b101eb8d341ddf95bbbe9..31fcfeee081e76248880cc0881333fea63b99d53 100644 (file)
--- a/sysdeps/sparc/sparc64/strncmp.S
+++ b/sysdeps/sparc/sparc64/strncmp.S
@@ -290,14 +290,15 @@ ENTRY(strncmp)
         ldxa           [%o0] ASI_PNF, %g4              /* Load                         */
 11:    sllx            %g3, 3, %g5                     /* IEU0         Group           */
        mov             64, %g7                         /* IEU1                         */
-       sub             %o1, %g3, %o1                   /* IEU0         Group           */
+       or              %g1, %g2, %g1                   /* IEU0         Group           */
+       sub             %o1, %g3, %o1                   /* IEU1                         */
 
-       sub             %g7, %g5, %g7                   /* IEU1                         */
+       sub             %g7, %g5, %g7                   /* IEU0         Group           */
        ldxa            [%o1] ASI_PNF, %o4              /* Load                         */
-       sllx            %g1, 7, %g2                     /* IEU0         Group           */
-       add             %o1, 8, %o1                     /* IEU1                         */
+       sllx            %g1, 7, %g2                     /* IEU1                         */
+       add             %o1, 8, %o1                     /* IEU0         Group           */
                                                        /* %g1 = 0101010101010101
-                                                          %g2 = 8080808080800880
+                                                          %g2 = 8080808080808080
                                                           %g3 = %o1 alignment
                                                           %g5 = number of bits to shift left
                                                           %g7 = number of bits to shift right */