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added bcd tests 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@22 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-03-05 22:24:26 +00:00
parent 9d8e9c0993
commit c5e9815da4
2 changed files with 17 additions and 4 deletions
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5
tests/Makefile
View File

@ -2,7 +2,7 @@ CC=gcc
CFLAGS=-Wall -O2 -g
LDFLAGS=
TESTS=hello test1 test2 sha1 test-i386
TESTS=hello test2 sha1 test-i386
TESTS+=op-i386.o #op-i386.o op-ppc.o op-arm.o op-mips.o op-sparc.o
GEMU=../gemu
@ -12,9 +12,6 @@ all: $(TESTS)
hello: hello.c
$(CC) -nostdlib $(CFLAGS) -static $(LDFLAGS) -o $@ $<
test1: test1.c
$(CC) $(CFLAGS) -static $(LDFLAGS) -o $@ $<
test2: test2.c
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<

16
tests/test-i386.c
View File

@ -490,6 +490,9 @@ void test_fcvt(double a)
la = a;
printf("(float)%f = %f\n", a, fa);
printf("(long double)%f = %Lf\n", a, la);
printf("a=%016Lx\n", *(long long *)&a);
printf("la=%016Lx %04x\n", *(long long *)&la,
*(unsigned short *)((char *)(&la) + 8));
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));
@ -511,6 +514,17 @@ void test_fconst(void)
TEST(z);
}
void test_fbcd(double a)
{
unsigned short bcd[5];
double b;
asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st");
asm("fbld %1" : "=t" (b) : "m" (bcd[0]));
printf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n",
a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b);
}
void test_floats(void)
{
test_fops(2, 3);
@ -522,6 +536,8 @@ void test_floats(void)
test_fcvt(-1.0/9.0);
test_fcvt(1e30);
test_fconst();
test_fbcd(1234567890123456);
test_fbcd(-123451234567890);
}
static void *call_end __init_call = NULL;