/* Test floating-point exceptions. */ #include #include #include union u { struct { uint64_t sig; uint16_t sign_exp; } s; long double ld; }; volatile float f_res; volatile double d_res; volatile long double ld_res; volatile long double ld_res2; volatile union u ld_invalid_1 = { .s = { 1, 1234 } }; volatile float f_snan = __builtin_nansf(""); volatile double d_snan = __builtin_nans(""); volatile long double ld_third = 1.0L / 3.0L; volatile long double ld_snan = __builtin_nansl(""); volatile long double ld_nan = __builtin_nanl(""); volatile long double ld_inf = __builtin_infl(); volatile long double ld_ninf = -__builtin_infl(); volatile long double ld_one = 1.0L; volatile long double ld_zero = 0.0L; volatile long double ld_nzero = -0.0L; volatile long double ld_min = LDBL_MIN; volatile long double ld_max = LDBL_MAX; volatile long double ld_nmax = -LDBL_MAX; #define IE (1 << 0) #define ZE (1 << 2) #define OE (1 << 3) #define UE (1 << 4) #define PE (1 << 5) #define EXC (IE | ZE | OE | UE | PE) int main(void) { short sw; unsigned char out[10]; int ret = 0; int16_t res_16; int32_t res_32; int64_t res_64; __asm__ volatile ("fnclex"); ld_res = f_snan; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: widen float snan\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = d_snan; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: widen double snan\n"); ret = 1; } __asm__ volatile ("fnclex"); f_res = ld_min; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (UE | PE)) { printf("FAIL: narrow float underflow\n"); ret = 1; } __asm__ volatile ("fnclex"); d_res = ld_min; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (UE | PE)) { printf("FAIL: narrow double underflow\n"); ret = 1; } __asm__ volatile ("fnclex"); f_res = ld_max; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (OE | PE)) { printf("FAIL: narrow float overflow\n"); ret = 1; } __asm__ volatile ("fnclex"); d_res = ld_max; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (OE | PE)) { printf("FAIL: narrow double overflow\n"); ret = 1; } __asm__ volatile ("fnclex"); f_res = ld_third; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: narrow float inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); d_res = ld_third; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: narrow double inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); f_res = ld_snan; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: narrow float snan\n"); ret = 1; } __asm__ volatile ("fnclex"); d_res = ld_snan; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: narrow double snan\n"); ret = 1; } __asm__ volatile ("fnclex"); f_res = ld_invalid_1.ld; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: narrow float invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); d_res = ld_invalid_1.ld; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: narrow double invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("frndint" : "=t" (ld_res) : "0" (ld_min)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: frndint min\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("frndint" : "=t" (ld_res) : "0" (ld_snan)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: frndint snan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("frndint" : "=t" (ld_res) : "0" (ld_invalid_1.ld)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: frndint invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fcom" : : "t" (ld_nan), "u" (ld_zero)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fcom nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fucom" : : "t" (ld_nan), "u" (ld_zero)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != 0) { printf("FAIL: fucom nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fucom" : : "t" (ld_snan), "u" (ld_zero)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fucom snan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fucom" : : "t" (1.0L), "u" (ld_invalid_1.ld)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fucom invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_max + ld_max; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (OE | PE)) { printf("FAIL: add overflow\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_max + ld_min; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: add inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_inf + ld_ninf; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: add inf -inf\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_snan + ld_third; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: add snan\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_third + ld_invalid_1.ld; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: add invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_max - ld_nmax; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (OE | PE)) { printf("FAIL: sub overflow\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_max - ld_min; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: sub inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_inf - ld_inf; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: sub inf inf\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_snan - ld_third; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: sub snan\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_third - ld_invalid_1.ld; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: sub invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_max * ld_max; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (OE | PE)) { printf("FAIL: mul overflow\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_third * ld_third; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: mul inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_min * ld_min; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (UE | PE)) { printf("FAIL: mul underflow\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_inf * ld_zero; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: mul inf 0\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_snan * ld_third; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: mul snan\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_third * ld_invalid_1.ld; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: mul invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_max / ld_min; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (OE | PE)) { printf("FAIL: div overflow\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_one / ld_third; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: div inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_min / ld_max; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (UE | PE)) { printf("FAIL: div underflow\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_one / ld_zero; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != ZE) { printf("FAIL: div 1 0\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_inf / ld_zero; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != 0) { printf("FAIL: div inf 0\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_nan / ld_zero; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != 0) { printf("FAIL: div nan 0\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_zero / ld_zero; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: div 0 0\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_inf / ld_inf; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: div inf inf\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_snan / ld_third; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: div snan\n"); ret = 1; } __asm__ volatile ("fnclex"); ld_res = ld_third / ld_invalid_1.ld; __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: div invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_max)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: fsqrt inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_nmax)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fsqrt -max\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_ninf)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fsqrt -inf\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_snan)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fsqrt snan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_invalid_1.ld)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fsqrt invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_nzero)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != 0) { printf("FAIL: fsqrt -0\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (-__builtin_nanl(""))); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != 0) { printf("FAIL: fsqrt -nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistps %0" : "=m" (res_16) : "t" (1.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: fistp inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistps %0" : "=m" (res_16) : "t" (32767.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistp 32767.5\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistps %0" : "=m" (res_16) : "t" (-32768.51L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistp -32768.51\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistps %0" : "=m" (res_16) : "t" (ld_nan) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistp nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistps %0" : "=m" (res_16) : "t" (ld_invalid_1.ld) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistp invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistpl %0" : "=m" (res_32) : "t" (1.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: fistpl inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistpl %0" : "=m" (res_32) : "t" (2147483647.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistpl 2147483647.5\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistpl %0" : "=m" (res_32) : "t" (-2147483648.51L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistpl -2147483648.51\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistpl %0" : "=m" (res_32) : "t" (ld_nan) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistpl nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistpl %0" : "=m" (res_32) : "t" (ld_invalid_1.ld) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistpl invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistpll %0" : "=m" (res_64) : "t" (1.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: fistpll inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistpll %0" : "=m" (res_64) : "t" (0x1p63) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistpll 0x1p63\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistpll %0" : "=m" (res_64) : "t" (-0x1.1p63L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistpll -0x1.1p63\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistpll %0" : "=m" (res_64) : "t" (ld_nan) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistpll nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fistpll %0" : "=m" (res_64) : "t" (ld_invalid_1.ld) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fistpll invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (1.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: fisttp inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (32768.0L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttp 32768\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (32768.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttp 32768.5\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (-32769.0L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttp -32769\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (-32769.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttp -32769.5\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (ld_nan) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttp nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (ld_invalid_1.ld) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttp invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (1.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: fisttpl inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (2147483648.0L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttpl 2147483648\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (-2147483649.0L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttpl -2147483649\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (ld_nan) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttpl nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (ld_invalid_1.ld) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttpl invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (1.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: fisttpll inexact\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (0x1p63) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttpll 0x1p63\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (-0x1.1p63L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttpll -0x1.1p63\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (ld_nan) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttpll nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (ld_invalid_1.ld) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fisttpll invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : "0" (ld_zero)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != ZE) { printf("FAIL: fxtract 0\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : "0" (ld_nzero)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != ZE) { printf("FAIL: fxtract -0\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : "0" (ld_inf)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != 0) { printf("FAIL: fxtract inf\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : "0" (ld_nan)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != 0) { printf("FAIL: fxtract nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : "0" (ld_snan)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fxtract snan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : "0" (ld_invalid_1.ld)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fxtract invalid\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_min), "u" (ld_max)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (OE | PE)) { printf("FAIL: fscale overflow\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_max), "u" (ld_nmax)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != (UE | PE)) { printf("FAIL: fscale underflow\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_zero), "u" (ld_inf)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fscale 0 inf\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_inf), "u" (ld_ninf)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fscale inf -inf\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_one), "u" (ld_snan)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fscale 1 snan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_snan), "u" (ld_nan)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fscale snan nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_invalid_1.ld), "u" (ld_one)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fscale invalid 1\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_invalid_1.ld), "u" (ld_nan)); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fscale invalid nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (1.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != PE) { printf("FAIL: fbstp 1.5\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (999999999999999999.5L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fbstp 999999999999999999.5\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (-1000000000000000000.0L) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fbstp -1000000000000000000\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (ld_inf) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fbstp inf\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (ld_nan) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fbstp nan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (ld_snan) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fbstp snan\n"); ret = 1; } __asm__ volatile ("fnclex"); __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (ld_invalid_1.ld) : "st"); __asm__ volatile ("fnstsw" : "=a" (sw)); if ((sw & EXC) != IE) { printf("FAIL: fbstp invalid\n"); ret = 1; } return ret; }