This patch add test for btc instruction.

Signed-off-by: Wei Yongjun<[email protected]>
---
 x86/emulator.c |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/x86/emulator.c b/x86/emulator.c
index eefb764..e278812 100644
--- a/x86/emulator.c
+++ b/x86/emulator.c
@@ -360,6 +360,21 @@ void test_xchg(void *mem)
               rax == 0x123456789abcdef && *memq == 0xfedcba9876543210);
 }
 
+void test_btc(void *mem)
+{
+       unsigned int *a = mem;
+
+       memset(mem, 0, 3 * sizeof(unsigned int));
+
+       asm ("btcl $32, %0" :: "m"(a[0]) : "memory");
+       asm ("btcl $1, %0" :: "m"(a[1]) : "memory");
+       asm ("btcl %1, %0" :: "m"(a[0]), "r"(66) : "memory");
+       report("btcl imm8, r/m", a[0] == 1 && a[1] == 2 && a[2] == 4);
+
+       asm ("btcl %1, %0" :: "m"(a[3]), "r"(-1) : "memory");
+       report("btcl reg, r/m", a[0] == 1 && a[1] == 2 && a[2] == 0x80000004);
+}
+
 int main()
 {
        void *mem;
@@ -391,6 +406,7 @@ int main()
        test_ljmp(mem);
        test_stringio();
        test_incdecnotneg(mem);
+       test_btc(mem);
 
        printf("\nSUMMARY: %d tests, %d failures\n", tests, fails);
        return fails ? 1 : 0;
-- 
1.7.0.4


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