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-rw-r--r--sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S b/sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S
index 8d74d53a76..a950990627 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S
+++ b/sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S
@@ -38,7 +38,7 @@ ENTRY (sched_getcpu)
 	movq	$VSYSCALL_ADDR_vgetcpu, %rax
 	callq	*%rax
 
-	cmpq	$-4095, %rdi
+	cmpq	$-4095, %rax
 	jae	SYSCALL_ERROR_LABEL
 
 	movl	(%rsp), %eax