X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fthreads%2Fswitch.S;h=48fc588973bfe15c016dab042bc75f37c6baba62;hb=424970679fb7dec648531888ae26919b784de1b6;hp=6cb70aa86e38b8ad85c930376e260ce7ef43cf1d;hpb=385b3a90a2fb8df4c0c185672246356b4c8a18e3;p=pintos-anon

diff --git a/src/threads/switch.S b/src/threads/switch.S
index 6cb70aa..48fc588 100644
--- a/src/threads/switch.S
+++ b/src/threads/switch.S
@@ -33,10 +33,7 @@ switch_threads:
 
 	# Save current stack pointer to old thread's stack, if any.
 	movl SWITCH_CUR(%esp), %eax
-	test %eax, %eax
-	jz 1f
 	movl %esp, (%eax,%edx,1)
-1:
 
 	# Restore stack pointer from new thread's stack.
 	movl SWITCH_NEXT(%esp), %ecx