diff options
| -rw-r--r-- | tests/test-i386.c | 40 |
1 files changed, 19 insertions, 21 deletions
diff --git a/tests/test-i386.c b/tests/test-i386.c index b0c2af8554..650a5a96ab 100644 --- a/tests/test-i386.c +++ b/tests/test-i386.c @@ -612,30 +612,21 @@ void test_fbcd(double a) a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b); } -#define TEST_ENV(env, prefix)\ +#define TEST_ENV(env, save, restore)\ {\ memset((env), 0xaa, sizeof(*(env)));\ - asm("fld1\n"\ - prefix "fnstenv %1\n"\ - prefix "fldenv %1\n"\ - : "=t" (res) : "m" (*(env)));\ - printf("res=%f\n", res);\ + for(i=0;i<5;i++)\ + asm volatile ("fldl %0" : : "m" (dtab[i]));\ + asm(save " %0\n" : : "m" (*(env)));\ + asm(restore " %0\n": : "m" (*(env)));\ + for(i=0;i<5;i++)\ + asm volatile ("fstpl %0" : "=m" (rtab[i]));\ + for(i=0;i<5;i++)\ + printf("res[%d]=%f\n", i, rtab[i]);\ printf("fpuc=%04x fpus=%04x fptag=%04x\n",\ (env)->fpuc,\ (env)->fpus & 0xff00,\ (env)->fptag);\ - memset((env), 0xaa, sizeof(*(env)));\ - asm("fld1\n"\ - prefix "fnsave %1\n"\ - prefix "frstor %1\n"\ - : "=t" (res) : "m" (*(env)));\ - printf("res=%f\n", res);\ - printf("fpuc=%04x fpus=%04x fptag=%04x\n",\ - (env)->fpuc,\ - (env)->fpus & 0xff00,\ - (env)->fptag);\ - printf("ST(0) = %Lf\n",\ - (env)->fpregs[0]);\ } void test_fenv(void) @@ -657,10 +648,17 @@ void test_fenv(void) uint16_t ignored[4]; long double fpregs[8]; } float_env16; - double res; + double dtab[8]; + double rtab[8]; + int i; + + for(i=0;i<8;i++) + dtab[i] = i + 1; - TEST_ENV(&float_env16, "data16 "); - TEST_ENV(&float_env32, ""); + TEST_ENV(&float_env16, "data16 fnstenv", "data16 fldenv"); + TEST_ENV(&float_env16, "data16 fnsave", "data16 frstor"); + TEST_ENV(&float_env32, "fnstenv", "fldenv"); + TEST_ENV(&float_env32, "fnsave", "frstor"); } |