X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fthreads%2Fswitch.S;h=48fc588973bfe15c016dab042bc75f37c6baba62;hb=13753f29344700c01d9dc80834e51c7303ed18f7;hp=6cb70aa86e38b8ad85c930376e260ce7ef43cf1d;hpb=bb15e05316dc37273c24dcda094806a0250a328b;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