gwj / at91sam9263 · Commits

Commit c5e9815da4e67d42d2a0f8dce4282e8e6d691b88

Authored by bellard
1 parent 9d8e9c09

added bcd tests 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@22 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 2 changed files with 17 additions and 4 deletions
tests/Makefile
  View file @c5e9815
... ... @@ -2,7 +2,7 @@ CC=gcc
2 2 CFLAGS=-Wall -O2 -g
3 3 LDFLAGS=
4 4  
5   -TESTS=hello test1 test2 sha1 test-i386
  5 +TESTS=hello test2 sha1 test-i386
6 6 TESTS+=op-i386.o #op-i386.o op-ppc.o op-arm.o op-mips.o op-sparc.o
7 7  
8 8 GEMU=../gemu
... ... @@ -12,9 +12,6 @@ all: $(TESTS)
12 12 hello: hello.c
13 13 $(CC) -nostdlib $(CFLAGS) -static $(LDFLAGS) -o $@ $<
14 14  
15   -test1: test1.c
16   - $(CC) $(CFLAGS) -static $(LDFLAGS) -o $@ $<
17   -
18 15 test2: test2.c
19 16 $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
20 17  
... ...
tests/test-i386.c
  View file @c5e9815
... ... @@ -490,6 +490,9 @@ void test_fcvt(double a)
490 490 la = a;
491 491 printf("(float)%f = %f\n", a, fa);
492 492 printf("(long double)%f = %Lf\n", a, la);
  493 + printf("a=%016Lx\n", *(long long *)&a);
  494 + printf("la=%016Lx %04x\n", *(long long *)&la,
  495 + *(unsigned short *)((char *)(&la) + 8));
493 496 printf("a=%f floor(a)=%f\n", a, floor(a));
494 497 printf("a=%f ceil(a)=%f\n", a, ceil(a));
495 498 printf("a=%f rint(a)=%f\n", a, rint(a));
... ... @@ -511,6 +514,17 @@ void test_fconst(void)
511 514 TEST(z);
512 515 }
513 516  
  517 +void test_fbcd(double a)
  518 +{
  519 + unsigned short bcd[5];
  520 + double b;
  521 +
  522 + asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st");
  523 + asm("fbld %1" : "=t" (b) : "m" (bcd[0]));
  524 + printf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n",
  525 + a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b);
  526 +}
  527 +
514 528 void test_floats(void)
515 529 {
516 530 test_fops(2, 3);
... ... @@ -522,6 +536,8 @@ void test_floats(void)
522 536 test_fcvt(-1.0/9.0);
523 537 test_fcvt(1e30);
524 538 test_fconst();
  539 + test_fbcd(1234567890123456);
  540 + test_fbcd(-123451234567890);
525 541 }
526 542  
527 543 static void *call_end __init_call = NULL;
... ...