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ffree test

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@920 c046a42c-6fe2-441c-8c8c-71466251a162
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bellard 2004-06-12 11:38:00 +00:00
parent 658c8bdadc
commit 665656a99b
1 changed files with 8 additions and 0 deletions
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8
tests/test-i386.c
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@ -688,6 +688,14 @@ void test_fenv(void)
TEST_ENV(&float_env16, "data16 fnsave", "data16 frstor"); TEST_ENV(&float_env16, "data16 fnsave", "data16 frstor");
TEST_ENV(&float_env32, "fnstenv", "fldenv"); TEST_ENV(&float_env32, "fnstenv", "fldenv");
TEST_ENV(&float_env32, "fnsave", "frstor"); 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);
} }