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bsx/float tests 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@21 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-03-05 20:57:02 +00:00
parent d57c4e0120
commit 9d8e9c0993
2 changed files with 103 additions and 2 deletions
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4
tests/Makefile
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@ -13,14 +13,14 @@ hello: hello.c
$(CC) -nostdlib $(CFLAGS) -static $(LDFLAGS) -o $@ $<
test1: test1.c
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
$(CC) $(CFLAGS) -static $(LDFLAGS) -o $@ $<
test2: test2.c
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
# i386 emulation test (dump various opcodes) */
test-i386: test-i386.c test-i386.h test-i386-shift.h test-i386-muldiv.h
$(CC) $(CFLAGS) $(LDFLAGS) -static -o $@ $<
$(CC) $(CFLAGS) $(LDFLAGS) -static -o $@ $< -lm
test: test-i386
./test-i386 > test-i386.ref

101
tests/test-i386.c
View File

@ -424,6 +424,105 @@ void test_mul(void)
test_divl(0x12343, 0x12345678, 0x81234567);
}
#define TEST_BSX(op, size, op0)\
{\
int res, val, resz;\
val = op0;\
asm("xorl %1, %1 ; " #op " %" size "2, %" size "0 ; setz %b1" \
: "=r" (res), "=q" (resz)\
: "g" (val));\
printf("%-10s A=%08x R=%08x %d\n", #op, val, resz ? 0 : res, resz);\
}
void test_bsx(void)
{
TEST_BSX(bsrw, "w", 0);
TEST_BSX(bsrw, "w", 0x12340128);
TEST_BSX(bsrl, "", 0);
TEST_BSX(bsrl, "", 0x00340128);
TEST_BSX(bsfw, "w", 0);
TEST_BSX(bsfw, "w", 0x12340128);
TEST_BSX(bsfl, "", 0);
TEST_BSX(bsfl, "", 0x00340128);
}
void test_fops(double a, double b)
{
printf("a=%f b=%f a+b=%f\n", a, b, a + b);
printf("a=%f b=%f a-b=%f\n", a, b, a - b);
printf("a=%f b=%f a*b=%f\n", a, b, a * b);
printf("a=%f b=%f a/b=%f\n", a, b, a / b);
printf("a=%f b=%f fmod(a, b)=%f\n", a, b, fmod(a, b));
printf("a=%f sqrt(a)=%f\n", a, sqrt(a));
printf("a=%f sin(a)=%f\n", a, sin(a));
printf("a=%f cos(a)=%f\n", a, cos(a));
printf("a=%f tan(a)=%f\n", a, tan(a));
printf("a=%f log(a)=%f\n", a, log(a));
printf("a=%f exp(a)=%f\n", a, exp(a));
printf("a=%f b=%f atan2(a, b)=%f\n", a, b, atan2(a, b));
/* just to test some op combining */
printf("a=%f asin(sin(a))=%f\n", a, asin(sin(a)));
printf("a=%f acos(cos(a))=%f\n", a, acos(cos(a)));
printf("a=%f atan(tan(a))=%f\n", a, atan(tan(a)));
}
void test_fcmp(double a, double b)
{
printf("(%f<%f)=%d\n",
a, b, a < b);
printf("(%f<=%f)=%d\n",
a, b, a <= b);
printf("(%f==%f)=%d\n",
a, b, a == b);
printf("(%f>%f)=%d\n",
a, b, a > b);
printf("(%f<=%f)=%d\n",
a, b, a >= b);
}
void test_fcvt(double a)
{
float fa;
long double la;
fa = a;
la = a;
printf("(float)%f = %f\n", a, fa);
printf("(long double)%f = %Lf\n", a, la);
printf("a=%f floor(a)=%f\n", a, floor(a));
printf("a=%f ceil(a)=%f\n", a, ceil(a));
printf("a=%f rint(a)=%f\n", a, rint(a));
}
#define TEST(N) \
asm("fld" #N : "=t" (a)); \
printf("fld" #N "= %f\n", a);
void test_fconst(void)
{
double a;
TEST(1);
TEST(l2t);
TEST(l2e);
TEST(pi);
TEST(lg2);
TEST(ln2);
TEST(z);
}
void test_floats(void)
{
test_fops(2, 3);
test_fops(1.4, -5);
test_fcmp(2, -1);
test_fcmp(2, 2);
test_fcmp(2, 3);
test_fcvt(1.0/7.0);
test_fcvt(-1.0/9.0);
test_fcvt(1e30);
test_fconst();
}
static void *call_end __init_call = NULL;
@ -437,8 +536,10 @@ int main(int argc, char **argv)
func = *ptr++;
func();
}
test_bsx();
test_mul();
test_jcc();
test_lea();
test_floats();
return 0;
}