In emulator.c/tests_smsw, smsw (3) fails because h_mem isn't being set correctly
before smsw is called. By declaring the h_mem function parameter as volatile,
the compiler no longer optimizes out the assignment before smsw.
Signed-off-by: Chris J Arges <chris.j.arges@xxxxxxxxxxxxx>
---
x86/emulator.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/x86/emulator.c b/x86/emulator.c
index 5aa4dbf..570628f 100644
--- a/x86/emulator.c
+++ b/x86/emulator.c
@@ -337,7 +337,7 @@ void test_incdecnotneg(void *mem)
report("lock notb", *mb == vb);
}
-void test_smsw(uint64_t *h_mem)
+void test_smsw(volatile uint64_t *h_mem)
{
char mem[16];
unsigned short msw, msw_orig, *pmsw;
--
1.9.1
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