diff options
| -rw-r--r-- | tests/Makefile | 5 | ||||
| -rw-r--r-- | tests/test-i386.c | 16 |
2 files changed, 17 insertions, 4 deletions
diff --git a/tests/Makefile b/tests/Makefile index 7decbf5426..5fc813c236 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -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 $@ $< diff --git a/tests/test-i386.c b/tests/test-i386.c index bef997a1aa..86a0709353 100644 --- a/tests/test-i386.c +++ b/tests/test-i386.c @@ -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; |