[glibc/release/2.36/master] sparc: Fix broken memset for sparc32 [BZ #31068]

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d5e88bbf596206ae8f24be90c078f08ca479d596

commit d5e88bbf596206ae8f24be90c078f08ca479d596
Author: Andreas Larsson <andreas@gaisler.com>
Date:   Wed Nov 15 13:29:43 2023 +0100

    sparc: Fix broken memset for sparc32 [BZ #31068]
    
    Fixes commit a61933fe27df ("sparc: Remove bzero optimization") that
    after moving code jumped to the wrong label 4.
    
    Verfied by successfully running string/test-memset on sparc32.
    
    Signed-off-by: Andreas Larsson <andreas@gaisler.com>
    Signed-off-by: Ludwig Rydberg <ludwig.rydberg@gaisler.com>
    Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
    (cherry picked from commit 578190b7e43305141512dee777e4a3b3e8159393)

Diff:
---
 sysdeps/sparc/sparc32/memset.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sysdeps/sparc/sparc32/memset.S b/sysdeps/sparc/sparc32/memset.S
index b1b67cb2d1..5154263317 100644
--- a/sysdeps/sparc/sparc32/memset.S
+++ b/sysdeps/sparc/sparc32/memset.S
@@ -55,7 +55,7 @@ ENTRY(memset)
 
 	andcc		%o0, 3, %o2
 	bne		3f
-4:	 andcc		%o0, 4, %g0
+5:	 andcc		%o0, 4, %g0
 
 	be		2f
 	 mov		%g3, %g2
@@ -139,7 +139,7 @@ ENTRY(memset)
 	stb		%g3, [%o0 + 0x02]
 2:	sub		%o2, 4, %o2
 	add		%o1, %o2, %o1
-	b		4b
+	b		5b
 	 sub		%o0, %o2, %o0
 END(memset)
 libc_hidden_builtin_def (memset)