diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/test-i386.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/test-i386.c b/tests/test-i386.c index f7e268652f..73a701fcfa 100644 --- a/tests/test-i386.c +++ b/tests/test-i386.c @@ -688,6 +688,14 @@ void test_fenv(void) TEST_ENV(&float_env16, "data16 fnsave", "data16 frstor"); TEST_ENV(&float_env32, "fnstenv", "fldenv"); TEST_ENV(&float_env32, "fnsave", "frstor"); + + /* test for ffree */ + for(i=0;i<5;i++) + asm volatile ("fldl %0" : : "m" (dtab[i])); + asm volatile("ffree %st(2)"); + asm volatile ("fnstenv %0\n" : : "m" (float_env32)); + asm volatile ("fninit"); + printf("fptag=%04x\n", float_env32.fptag); } |