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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2003-02-24 23:43:02 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2003-02-24 23:43:02 +0000
commit379ca80d34d685c038800be58d2314933619d78b (patch)
tree206fda3e9a6f47d06eb3b037098d340306b51768 /tests/test-i386-shift.h
parenti386 emulator test (diff)
downloadqemu-kvm-379ca80d34d685c038800be58d2314933619d78b.tar.gz
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added shift tests
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@12 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'tests/test-i386-shift.h')
-rw-r--r--tests/test-i386-shift.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/tests/test-i386-shift.h b/tests/test-i386-shift.h
new file mode 100644
index 000000000..af892f6c7
--- /dev/null
+++ b/tests/test-i386-shift.h
@@ -0,0 +1,79 @@
+
+#define exec_op glue(exec_, OP)
+#define exec_opl glue(glue(exec_, OP), l)
+#define exec_opw glue(glue(exec_, OP), w)
+#define exec_opb glue(glue(exec_, OP), b)
+
+#define EXECSHIFT(size, res, s1, flags) \
+ asm ("push %4\n\t"\
+ "popf\n\t"\
+ stringify(OP) size " %%cl, %" size "0\n\t" \
+ "pushf\n\t"\
+ "popl %1\n\t"\
+ : "=q" (res), "=g" (flags)\
+ : "c" (s1), "0" (res), "1" (flags));
+
+void exec_opl(int s0, int s1, int iflags)
+{
+ int res, flags;
+ res = s0;
+ flags = iflags;
+ EXECSHIFT("", res, s1, flags);
+ /* overflow is undefined if count != 1 */
+ if (s1 != 1)
+ flags &= ~CC_O;
+ printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
+ stringify(OP) "l", s0, s1, res, iflags, flags & CC_MASK);
+}
+
+void exec_opw(int s0, int s1, int iflags)
+{
+ int res, flags;
+ res = s0;
+ flags = iflags;
+ EXECSHIFT("w", res, s1, flags);
+ /* overflow is undefined if count != 1 */
+ if (s1 != 1)
+ flags &= ~CC_O;
+ printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
+ stringify(OP) "w", s0, s1, res, iflags, flags & CC_MASK);
+}
+
+void exec_opb(int s0, int s1, int iflags)
+{
+ int res, flags;
+ res = s0;
+ flags = iflags;
+ EXECSHIFT("b", res, s1, flags);
+ /* overflow is undefined if count != 1 */
+ if (s1 != 1)
+ flags &= ~CC_O;
+ printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
+ stringify(OP) "b", s0, s1, res, iflags, flags & CC_MASK);
+}
+
+void exec_op(int s0, int s1)
+{
+ exec_opl(s0, s1, 0);
+ exec_opw(s0, s1, 0);
+ exec_opb(s0, s1, 0);
+#ifdef OP_CC
+ exec_opl(s0, s1, CC_C);
+ exec_opw(s0, s1, CC_C);
+ exec_opb(s0, s1, CC_C);
+#endif
+}
+
+void glue(test_, OP)(void)
+{
+ int i;
+ for(i = 0; i < 32; i++)
+ exec_op(0x12345678, i);
+ for(i = 0; i < 32; i++)
+ exec_op(0x82345678, i);
+}
+
+void *glue(_test_, OP) __init_call = glue(test_, OP);
+
+#undef OP
+#undef OP_CC