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-rw-r--r--tests/Makefile4
-rw-r--r--tests/test-i386.c27
2 files changed, 31 insertions, 0 deletions
diff --git a/tests/Makefile b/tests/Makefile
index c224504307..25742e2aed 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -38,6 +38,10 @@ test:
endif
$(QEMU) test-i386 > test-i386.out
@if diff -u test-i386.ref test-i386.out ; then echo "Auto Test OK"; fi
+ifeq ($(ARCH),i386)
+ $(QEMU) -no-code-copy test-i386 > test-i386.out
+ @if diff -u test-i386.ref test-i386.out ; then echo "Auto Test OK (no code copy)"; fi
+endif
# generic Linux and CPU test
linux-test: linux-test.c
diff --git a/tests/test-i386.c b/tests/test-i386.c
index ce1213a7d2..3e10a9931e 100644
--- a/tests/test-i386.c
+++ b/tests/test-i386.c
@@ -401,6 +401,23 @@ void test_imull2(int op0, int op1)
"imull", s0, s1, res, flags & CC_MASK);
}
+#define TEST_IMUL_IM(size, size1, op0, op1)\
+{\
+ int res, flags;\
+ flags = 0;\
+ res = 0;\
+ asm ("push %3\n\t"\
+ "popf\n\t"\
+ "imul" size " $" #op0 ", %" size1 "2, %" size1 "0\n\t" \
+ "pushf\n\t"\
+ "popl %1\n\t"\
+ : "=r" (res), "=g" (flags)\
+ : "r" (op1), "1" (flags), "0" (res));\
+ printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",\
+ "imul" size, op0, op1, res, flags & CC_MASK);\
+}
+
+
#undef CC_MASK
#define CC_MASK (0)
@@ -452,6 +469,16 @@ void test_mul(void)
test_imull2(0x80000000, 0x80000000);
test_imull2(0x10000, 0x10000);
+ TEST_IMUL_IM("w", "w", 45, 0x1234);
+ TEST_IMUL_IM("w", "w", -45, 23);
+ TEST_IMUL_IM("w", "w", 0x8000, 0x80000000);
+ TEST_IMUL_IM("w", "w", 0x7fff, 0x1000);
+
+ TEST_IMUL_IM("l", "", 45, 0x1234);
+ TEST_IMUL_IM("l", "", -45, 23);
+ TEST_IMUL_IM("l", "", 0x8000, 0x80000000);
+ TEST_IMUL_IM("l", "", 0x7fff, 0x1000);
+
test_idivb(0x12341678, 0x127e);
test_idivb(0x43210123, -5);
test_idivb(0x12340004, -1);