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Remove fixed item.
[pintos-anon]
/
src
/
threads
/
switch.S
diff --git
a/src/threads/switch.S
b/src/threads/switch.S
index 6cb70aa86e38b8ad85c930376e260ce7ef43cf1d..48fc588973bfe15c016dab042bc75f37c6baba62 100644
(file)
--- 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
# 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)
movl %esp, (%eax,%edx,1)
-1:
# Restore stack pointer from new thread's stack.
movl SWITCH_NEXT(%esp), %ecx
# Restore stack pointer from new thread's stack.
movl SWITCH_NEXT(%esp), %ecx