about summary refs log tree commit diff
path: root/sysdeps/x86_64/memrchr.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/x86_64/memrchr.S')
-rw-r--r--sysdeps/x86_64/memrchr.S3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/x86_64/memrchr.S b/sysdeps/x86_64/memrchr.S
index 81b7a1c320..70adca379c 100644
--- a/sysdeps/x86_64/memrchr.S
+++ b/sysdeps/x86_64/memrchr.S
@@ -282,6 +282,9 @@ L(return_null):
 
 	.p2align 4
 L(length_less16_offset0):
+	test	%edx, %edx
+	jz	L(return_null)
+
 	mov	%dl, %cl
 	pcmpeqb	(%rdi), %xmm1