diff options
-rw-r--r-- | ChangeLog | 14 | ||||
-rw-r--r-- | math/test-misc.c | 289 | ||||
-rw-r--r-- | ports/ChangeLog | 4 | ||||
-rw-r--r-- | ports/sysdeps/ia64/fpu/printf_fphex.c | 10 | ||||
-rw-r--r-- | stdio-common/printf_fp.c | 3 | ||||
-rw-r--r-- | stdio-common/printf_fphex.c | 14 | ||||
-rw-r--r-- | stdio-common/printf_size.c | 12 | ||||
-rw-r--r-- | sysdeps/ieee754/ldbl-128/printf_fphex.c | 14 | ||||
-rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/printf_fphex.c | 4 | ||||
-rw-r--r-- | sysdeps/ieee754/ldbl-96/printf_fphex.c | 8 | ||||
-rw-r--r-- | sysdeps/x86_64/fpu/printf_fphex.c | 9 |
11 files changed, 131 insertions, 250 deletions
diff --git a/ChangeLog b/ChangeLog index d6bbe3455f..c4825619bb 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,19 @@ 2013-10-04 Alan Modra <amodra@gmail.com> + * stdio-common/printf_size.c (__printf_size): Don't use + union ieee854_long_double in fpnum union. + * stdio-common/printf_fphex.c (__printf_fphex): Likewise. Use + signbit macro to retrieve sign from long double. + * stdio-common/printf_fp.c (___printf_fp): Use signbit macro to + retrieve sign from long double. + * sysdeps/ieee754/ldbl-128ibm/printf_fphex.c: Adjust for fpnum change. + * sysdeps/ieee754/ldbl-128/printf_fphex.c: Likewise. + * sysdeps/ieee754/ldbl-96/printf_fphex.c: Likewise. + * sysdeps/x86_64/fpu/printf_fphex.c: Likewise. + * math/test-misc.c (main): Don't use union ieee854_long_double. + +2013-10-04 Alan Modra <amodra@gmail.com> + [BZ #15680] * sysdeps/ieee754/ldbl-128ibm/e_rem_pio2l.c: Comment fix. * sysdeps/ieee754/ldbl-128ibm/printf_fphex.c diff --git a/math/test-misc.c b/math/test-misc.c index 27d673b823..f5276ebff9 100644 --- a/math/test-misc.c +++ b/math/test-misc.c @@ -722,300 +722,161 @@ main (void) #ifndef NO_LONG_DOUBLE { - union ieee854_long_double v1; - union ieee854_long_double v2; - long double ld; + long double v1, v2; - v1.d = ld = LDBL_MIN; - if (fpclassify (ld) != FP_NORMAL) + v1 = LDBL_MIN; + if (fpclassify (v1) != FP_NORMAL) { - printf ("fpclassify (LDBL_MIN) failed: %d\n", fpclassify (ld)); + printf ("fpclassify (LDBL_MIN) failed: %d (%La)\n", + fpclassify (v1), v1); result = 1; } - ld = nextafterl (ld, LDBL_MIN / 2.0); - if (fpclassify (ld) != FP_SUBNORMAL) + v2 = nextafterl (v1, LDBL_MIN / 2.0); + if (fpclassify (v2) != FP_SUBNORMAL) { printf ("fpclassify (LDBL_MIN-epsilon) failed: %d (%La)\n", - fpclassify (ld), ld); + fpclassify (v2), v2); result = 1; } - v2.d = ld = nextafterl (ld, LDBL_MIN); - if (fpclassify (ld) != FP_NORMAL) + v2 = nextafterl (v2, LDBL_MIN); + if (fpclassify (v2) != FP_NORMAL) { printf ("fpclassify (LDBL_MIN-epsilon+epsilon) failed: %d (%La)\n", - fpclassify (ld), ld); + fpclassify (v2), v2); result = 1; } - if (v1.ieee.mantissa0 != v2.ieee.mantissa0) + if (v1 != v2) { - printf ("LDBL_MIN: mantissa0 differs: %8x vs %8x\n", - v1.ieee.mantissa0, v2.ieee.mantissa0); - result = 1; - } - if (v1.ieee.mantissa1 != v2.ieee.mantissa1) - { - printf ("LDBL_MIN: mantissa1 differs: %8x vs %8x\n", - v1.ieee.mantissa1, v2.ieee.mantissa1); - result = 1; - } - if (v1.ieee.exponent != v2.ieee.exponent) - { - printf ("LDBL_MIN: exponent differs: %4x vs %4x\n", - v1.ieee.exponent, v2.ieee.exponent); - result = 1; - } - if (v1.ieee.negative != v2.ieee.negative) - { - printf ("LDBL_MIN: negative differs: %d vs %d\n", - v1.ieee.negative, v2.ieee.negative); + printf ("LDBL_MIN-epsilon+epsilon != LDBL_MIN: %La vs %La\n", v2, v1); result = 1; } - v1.d = ld = -LDBL_MIN; - if (fpclassify (ld) != FP_NORMAL) + v1 = -LDBL_MIN; + if (fpclassify (v1) != FP_NORMAL) { - printf ("fpclassify (-LDBL_MIN) failed: %d\n", fpclassify (ld)); + printf ("fpclassify (-LDBL_MIN) failed: %d (%La)\n", + fpclassify (v1), v1); result = 1; } - ld = nextafterl (ld, -LDBL_MIN / 2.0); - if (fpclassify (ld) != FP_SUBNORMAL) + v2 = nextafterl (v1, -LDBL_MIN / 2.0); + if (fpclassify (v2) != FP_SUBNORMAL) { printf ("fpclassify (-LDBL_MIN-epsilon) failed: %d (%La)\n", - fpclassify (ld), ld); + fpclassify (v2), v2); result = 1; } - v2.d = ld = nextafterl (ld, -LDBL_MIN); - if (fpclassify (ld) != FP_NORMAL) + v2 = nextafterl (v2, -LDBL_MIN); + if (fpclassify (v2) != FP_NORMAL) { printf ("fpclassify (-LDBL_MIN-epsilon+epsilon) failed: %d (%La)\n", - fpclassify (ld), ld); + fpclassify (v2), v2); result = 1; } - if (v1.ieee.mantissa0 != v2.ieee.mantissa0) - { - printf ("-LDBL_MIN: mantissa0 differs: %8x vs %8x\n", - v1.ieee.mantissa0, v2.ieee.mantissa0); - result = 1; - } - if (v1.ieee.mantissa1 != v2.ieee.mantissa1) - { - printf ("-LDBL_MIN: mantissa1 differs: %8x vs %8x\n", - v1.ieee.mantissa1, v2.ieee.mantissa1); - result = 1; - } - if (v1.ieee.exponent != v2.ieee.exponent) + if (v1 != v2) { - printf ("-LDBL_MIN: exponent differs: %4x vs %4x\n", - v1.ieee.exponent, v2.ieee.exponent); - result = 1; - } - if (v1.ieee.negative != v2.ieee.negative) - { - printf ("-LDBL_MIN: negative differs: %d vs %d\n", - v1.ieee.negative, v2.ieee.negative); + printf ("-LDBL_MIN-epsilon+epsilon != -LDBL_MIN: %La vs %La\n", v2, v1); result = 1; } - ld = LDBL_MAX; - if (fpclassify (ld) != FP_NORMAL) + v1 = LDBL_MAX; + if (fpclassify (v1) != FP_NORMAL) { - printf ("fpclassify (LDBL_MAX) failed: %d\n", fpclassify (ld)); + printf ("fpclassify (LDBL_MAX) failed: %d (%La)\n", + fpclassify (v1), v1); result = 1; } - ld = nextafterl (ld, INFINITY); - if (fpclassify (ld) != FP_INFINITE) + v2 = nextafterl (v1, INFINITY); + if (fpclassify (v2) != FP_INFINITE) { - printf ("fpclassify (LDBL_MAX+epsilon) failed: %d\n", fpclassify (ld)); + printf ("fpclassify (LDBL_MAX+epsilon) failed: %d (%La)\n", + fpclassify (v2), v2); result = 1; } - ld = -LDBL_MAX; - if (fpclassify (ld) != FP_NORMAL) + v1 = -LDBL_MAX; + if (fpclassify (v1) != FP_NORMAL) { - printf ("fpclassify (-LDBL_MAX) failed: %d\n", fpclassify (ld)); + printf ("fpclassify (-LDBL_MAX) failed: %d (%La)\n", + fpclassify (v1), v1); result = 1; } - ld = nextafterl (ld, -INFINITY); - if (fpclassify (ld) != FP_INFINITE) + v2 = nextafterl (v1, -INFINITY); + if (fpclassify (v2) != FP_INFINITE) { - printf ("fpclassify (-LDBL_MAX-epsilon) failed: %d\n", - fpclassify (ld)); + printf ("fpclassify (-LDBL_MAX-epsilon) failed: %d (%La)\n", + fpclassify (v2), v2); result = 1; } - v1.d = ld = 0.0625; - ld = nextafterl (ld, 0.0); - v2.d = ld = nextafterl (ld, 1.0); + v1 = 0.0625; + v2 = nextafterl (v1, 0.0); + v2 = nextafterl (v2, 1.0); - if (v1.ieee.mantissa0 != v2.ieee.mantissa0) - { - printf ("0.0625L down: mantissa0 differs: %8x vs %8x\n", - v1.ieee.mantissa0, v2.ieee.mantissa0); - result = 1; - } - if (v1.ieee.mantissa1 != v2.ieee.mantissa1) - { - printf ("0.0625L down: mantissa1 differs: %8x vs %8x\n", - v1.ieee.mantissa1, v2.ieee.mantissa1); - result = 1; - } - if (v1.ieee.exponent != v2.ieee.exponent) - { - printf ("0.0625L down: exponent differs: %4x vs %4x\n", - v1.ieee.exponent, v2.ieee.exponent); - result = 1; - } - if (v1.ieee.negative != v2.ieee.negative) + if (v1 != v2) { - printf ("0.0625L down: negative differs: %d vs %d\n", - v1.ieee.negative, v2.ieee.negative); + printf ("0.0625L-epsilon+epsilon != 0.0625L: %La vs %La\n", v2, v1); result = 1; } - v1.d = ld = 0.0625; - ld = nextafterl (ld, 1.0); - v2.d = ld = nextafterl (ld, 0.0); + v1 = 0.0625; + v2 = nextafterl (v1, 1.0); + v2 = nextafterl (v2, 0.0); - if (v1.ieee.mantissa0 != v2.ieee.mantissa0) - { - printf ("0.0625L up: mantissa0 differs: %8x vs %8x\n", - v1.ieee.mantissa0, v2.ieee.mantissa0); - result = 1; - } - if (v1.ieee.mantissa1 != v2.ieee.mantissa1) - { - printf ("0.0625L up: mantissa1 differs: %8x vs %8x\n", - v1.ieee.mantissa1, v2.ieee.mantissa1); - result = 1; - } - if (v1.ieee.exponent != v2.ieee.exponent) - { - printf ("0.0625L up: exponent differs: %4x vs %4x\n", - v1.ieee.exponent, v2.ieee.exponent); - result = 1; - } - if (v1.ieee.negative != v2.ieee.negative) + if (v1 != v2) { - printf ("0.0625L up: negative differs: %d vs %d\n", - v1.ieee.negative, v2.ieee.negative); + printf ("0.0625L+epsilon-epsilon != 0.0625L: %La vs %La\n", v2, v1); result = 1; } - v1.d = ld = -0.0625; - ld = nextafterl (ld, 0.0); - v2.d = ld = nextafterl (ld, -1.0); + v1 = -0.0625; + v2 = nextafterl (v1, 0.0); + v2 = nextafterl (v2, -1.0); - if (v1.ieee.mantissa0 != v2.ieee.mantissa0) + if (v1 != v2) { - printf ("-0.0625L up: mantissa0 differs: %8x vs %8x\n", - v1.ieee.mantissa0, v2.ieee.mantissa0); - result = 1; - } - if (v1.ieee.mantissa1 != v2.ieee.mantissa1) - { - printf ("-0.0625L up: mantissa1 differs: %8x vs %8x\n", - v1.ieee.mantissa1, v2.ieee.mantissa1); - result = 1; - } - if (v1.ieee.exponent != v2.ieee.exponent) - { - printf ("-0.0625L up: exponent differs: %4x vs %4x\n", - v1.ieee.exponent, v2.ieee.exponent); - result = 1; - } - if (v1.ieee.negative != v2.ieee.negative) - { - printf ("-0.0625L up: negative differs: %d vs %d\n", - v1.ieee.negative, v2.ieee.negative); + printf ("-0.0625L+epsilon-epsilon != -0.0625L: %La vs %La\n", v2, v1); result = 1; } - v1.d = ld = -0.0625; - ld = nextafterl (ld, -1.0); - v2.d = ld = nextafterl (ld, 0.0); + v1 = -0.0625; + v2 = nextafterl (v1, -1.0); + v2 = nextafterl (v2, 0.0); - if (v1.ieee.mantissa0 != v2.ieee.mantissa0) - { - printf ("-0.0625L down: mantissa0 differs: %8x vs %8x\n", - v1.ieee.mantissa0, v2.ieee.mantissa0); - result = 1; - } - if (v1.ieee.mantissa1 != v2.ieee.mantissa1) - { - printf ("-0.0625L down: mantissa1 differs: %8x vs %8x\n", - v1.ieee.mantissa1, v2.ieee.mantissa1); - result = 1; - } - if (v1.ieee.exponent != v2.ieee.exponent) + if (v1 != v2) { - printf ("-0.0625L down: exponent differs: %4x vs %4x\n", - v1.ieee.exponent, v2.ieee.exponent); - result = 1; - } - if (v1.ieee.negative != v2.ieee.negative) - { - printf ("-0.0625L down: negative differs: %d vs %d\n", - v1.ieee.negative, v2.ieee.negative); + printf ("-0.0625L-epsilon+epsilon != -0.0625L: %La vs %La\n", v2, v1); result = 1; } - v1.d = ld = 0.0; - ld = nextafterl (ld, 1.0); - v2.d = nextafterl (ld, -1.0); + v1 = 0.0; + v2 = nextafterl (v1, 1.0); + v2 = nextafterl (v2, -1.0); - if (v1.ieee.mantissa0 != v2.ieee.mantissa0) - { - printf ("0.0L up: mantissa0 differs: %8x vs %8x\n", - v1.ieee.mantissa0, v2.ieee.mantissa0); - result = 1; - } - if (v1.ieee.mantissa1 != v2.ieee.mantissa1) - { - printf ("0.0L up: mantissa1 differs: %8x vs %8x\n", - v1.ieee.mantissa1, v2.ieee.mantissa1); - result = 1; - } - if (v1.ieee.exponent != v2.ieee.exponent) + if (v1 != v2) { - printf ("0.0L up: exponent differs: %4x vs %4x\n", - v1.ieee.exponent, v2.ieee.exponent); + printf ("0.0+epsilon-epsilon != 0.0L: %La vs %La\n", v2, v1); result = 1; } - if (0 != v2.ieee.negative) + if (signbit (v2)) { - printf ("0.0L up: negative differs: 0 vs %d\n", - v2.ieee.negative); + printf ("0.0+epsilon-epsilon is negative\n"); result = 1; } - v1.d = ld = 0.0; - ld = nextafterl (ld, -1.0); - v2.d = nextafterl (ld, 1.0); + v1 = 0.0; + v2 = nextafterl (v1, -1.0); + v2 = nextafterl (v2, 1.0); - if (v1.ieee.mantissa0 != v2.ieee.mantissa0) - { - printf ("0.0L down: mantissa0 differs: %8x vs %8x\n", - v1.ieee.mantissa0, v2.ieee.mantissa0); - result = 1; - } - if (v1.ieee.mantissa1 != v2.ieee.mantissa1) + if (v1 != v2) { - printf ("0.0L down: mantissa1 differs: %8x vs %8x\n", - v1.ieee.mantissa1, v2.ieee.mantissa1); - result = 1; - } - if (v1.ieee.exponent != v2.ieee.exponent) - { - printf ("0.0L down: exponent differs: %4x vs %4x\n", - v1.ieee.exponent, v2.ieee.exponent); + printf ("0.0-epsilon+epsilon != 0.0L: %La vs %La\n", v2, v1); result = 1; } - if (1 != v2.ieee.negative) + if (!signbit (v2)) { - printf ("0.0L down: negative differs: 1 vs %d\n", - v2.ieee.negative); + printf ("0.0-epsilon+epsilon is positive\n"); result = 1; } diff --git a/ports/ChangeLog b/ports/ChangeLog index 9b638017f8..d1875f4fd9 100644 --- a/ports/ChangeLog +++ b/ports/ChangeLog @@ -1,3 +1,7 @@ +2013-19-04 Alan Modra <amodra@gmail.com> + + * sysdeps/ia64/fpu/printf_fphex.c: Adjust for fpnum change. + 2013-09-02 Mike Frysinger <vapier@gentoo.org> * sysdeps/unix/sysv/linux/hppa/syscalls.list (fanotify_mark): New diff --git a/ports/sysdeps/ia64/fpu/printf_fphex.c b/ports/sysdeps/ia64/fpu/printf_fphex.c index ca021427ec..0698cdad10 100644 --- a/ports/sysdeps/ia64/fpu/printf_fphex.c +++ b/ports/sysdeps/ia64/fpu/printf_fphex.c @@ -25,9 +25,11 @@ do { \ /* The "strange" 80 bit format on ia64 has an explicit \ leading digit in the 64 bit mantissa. */ \ unsigned long long int num; \ + union ieee854_long_double u; \ + u.d = fpnum.ldbl; \ \ - num = (((unsigned long long int) fpnum.ldbl.ieee.mantissa0) << 32 \ - | fpnum.ldbl.ieee.mantissa1); \ + num = (((unsigned long long int) u.ieee.mantissa0) << 32 \ + | u.ieee.mantissa1); \ \ zero_mantissa = num == 0; \ \ @@ -49,8 +51,8 @@ do { \ \ /* We have 3 bits from the mantissa in the leading nibble. \ Therefore we are here using `IEEE854_LONG_DOUBLE_BIAS + 3'. */ \ - exponent = fpnum.ldbl.ieee.exponent; \ - \ + exponent = u.ieee.exponent; \ + \ if (exponent == 0) \ { \ if (zero_mantissa) \ diff --git a/stdio-common/printf_fp.c b/stdio-common/printf_fp.c index e20eab6a34..2b93e6c57a 100644 --- a/stdio-common/printf_fp.c +++ b/stdio-common/printf_fp.c @@ -332,8 +332,7 @@ ___printf_fp (FILE *fp, int res; if (__isnanl (fpnum.ldbl)) { - union ieee854_long_double u = { .d = fpnum.ldbl }; - is_neg = u.ieee.negative != 0; + is_neg = signbit (fpnum.ldbl); if (isupper (info->spec)) { special = "NAN"; diff --git a/stdio-common/printf_fphex.c b/stdio-common/printf_fphex.c index 3da2eec40c..50b6fbfbc7 100644 --- a/stdio-common/printf_fphex.c +++ b/stdio-common/printf_fphex.c @@ -93,7 +93,7 @@ __printf_fphex (FILE *fp, union { union ieee754_double dbl; - union ieee854_long_double ldbl; + long double ldbl; } fpnum; @@ -162,12 +162,11 @@ __printf_fphex (FILE *fp, #ifndef __NO_LONG_DOUBLE_MATH if (info->is_long_double && sizeof (long double) > sizeof (double)) { - fpnum.ldbl.d = *(const long double *) args[0]; + fpnum.ldbl = *(const long double *) args[0]; /* Check for special values: not a number or infinity. */ - if (__isnanl (fpnum.ldbl.d)) + if (__isnanl (fpnum.ldbl)) { - negative = fpnum.ldbl.ieee.negative != 0; if (isupper (info->spec)) { special = "NAN"; @@ -181,8 +180,7 @@ __printf_fphex (FILE *fp, } else { - int res = __isinfl (fpnum.ldbl.d); - if (res) + if (__isinfl (fpnum.ldbl)) { if (isupper (info->spec)) { @@ -194,11 +192,9 @@ __printf_fphex (FILE *fp, special = "inf"; wspecial = L"inf"; } - negative = res < 0; } - else - negative = signbit (fpnum.ldbl.d); } + negative = signbit (fpnum.ldbl); } else #endif /* no long double */ diff --git a/stdio-common/printf_size.c b/stdio-common/printf_size.c index 2c496e5b2f..dfb3a539b9 100644 --- a/stdio-common/printf_size.c +++ b/stdio-common/printf_size.c @@ -103,7 +103,7 @@ __printf_size (FILE *fp, const struct printf_info *info, union { union ieee754_double dbl; - union ieee854_long_double ldbl; + long double ldbl; } fpnum; const void *ptr = &fpnum; @@ -123,25 +123,25 @@ __printf_size (FILE *fp, const struct printf_info *info, #ifndef __NO_LONG_DOUBLE_MATH if (info->is_long_double && sizeof (long double) > sizeof (double)) { - fpnum.ldbl.d = *(const long double *) args[0]; + fpnum.ldbl = *(const long double *) args[0]; /* Check for special values: not a number or infinity. */ - if (__isnanl (fpnum.ldbl.d)) + if (__isnanl (fpnum.ldbl)) { special = "nan"; wspecial = L"nan"; // fpnum_sign = 0; Already zero } - else if ((res = __isinfl (fpnum.ldbl.d))) + else if ((res = __isinfl (fpnum.ldbl))) { fpnum_sign = res; special = "inf"; wspecial = L"inf"; } else - while (fpnum.ldbl.d >= divisor && tag[1] != '\0') + while (fpnum.ldbl >= divisor && tag[1] != '\0') { - fpnum.ldbl.d /= divisor; + fpnum.ldbl /= divisor; ++tag; } } diff --git a/sysdeps/ieee754/ldbl-128/printf_fphex.c b/sysdeps/ieee754/ldbl-128/printf_fphex.c index c9e09a4b74..e82228a53e 100644 --- a/sysdeps/ieee754/ldbl-128/printf_fphex.c +++ b/sysdeps/ieee754/ldbl-128/printf_fphex.c @@ -24,13 +24,15 @@ do { \ digits we use only the implicit digits for the number before \ the decimal point. */ \ unsigned long long int num0, num1; \ + union ieee854_long_double u; \ + u.d = fpnum.ldbl; \ \ assert (sizeof (long double) == 16); \ \ - num0 = (((unsigned long long int) fpnum.ldbl.ieee.mantissa0) << 32 \ - | fpnum.ldbl.ieee.mantissa1); \ - num1 = (((unsigned long long int) fpnum.ldbl.ieee.mantissa2) << 32 \ - | fpnum.ldbl.ieee.mantissa3); \ + num0 = (((unsigned long long int) u.ieee.mantissa0) << 32 \ + | u.ieee.mantissa1); \ + num1 = (((unsigned long long int) u.ieee.mantissa2) << 32 \ + | u.ieee.mantissa3); \ \ zero_mantissa = (num0|num1) == 0; \ \ @@ -75,9 +77,9 @@ do { \ *--wnumstr = L'0'; \ } \ \ - leading = fpnum.ldbl.ieee.exponent == 0 ? '0' : '1'; \ + leading = u.ieee.exponent == 0 ? '0' : '1'; \ \ - exponent = fpnum.ldbl.ieee.exponent; \ + exponent = u.ieee.exponent; \ \ if (exponent == 0) \ { \ diff --git a/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c b/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c index 453c2be7b8..e0ec422b01 100644 --- a/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c +++ b/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c @@ -27,14 +27,14 @@ do { \ unsigned long long hi, lo; \ int ediff; \ union ibm_extended_long_double u; \ - u.ld = fpnum.ldbl.d; \ + u.ld = fpnum.ldbl; \ \ assert (sizeof (long double) == 16); \ \ lo = ((long long)u.d[1].ieee.mantissa0 << 32) | u.d[1].ieee.mantissa1; \ hi = ((long long)u.d[0].ieee.mantissa0 << 32) | u.d[0].ieee.mantissa1; \ lo <<= 7; /* pre-shift lo to match ieee854. */ \ - /* If the lower double is not a denomal or zero then set the hidden \ + /* If the lower double is not a denormal or zero then set the hidden \ 53rd bit. */ \ if (u.d[1].ieee.exponent != 0) \ lo |= (1ULL << (52 + 7)); \ diff --git a/sysdeps/ieee754/ldbl-96/printf_fphex.c b/sysdeps/ieee754/ldbl-96/printf_fphex.c index f356a4843e..715c93b500 100644 --- a/sysdeps/ieee754/ldbl-96/printf_fphex.c +++ b/sysdeps/ieee754/ldbl-96/printf_fphex.c @@ -25,11 +25,13 @@ do { \ /* The "strange" 80 bit format on ix86 and m68k has an explicit \ leading digit in the 64 bit mantissa. */ \ unsigned long long int num; \ + union ieee854_long_double u; \ + u.d = fpnum.ldbl; \ \ assert (sizeof (long double) == 12); \ \ - num = (((unsigned long long int) fpnum.ldbl.ieee.mantissa0) << 32 \ - | fpnum.ldbl.ieee.mantissa1); \ + num = (((unsigned long long int) u.ieee.mantissa0) << 32 \ + | u.ieee.mantissa1); \ \ zero_mantissa = num == 0; \ \ @@ -62,7 +64,7 @@ do { \ \ /* We have 3 bits from the mantissa in the leading nibble. \ Therefore we are here using `IEEE854_LONG_DOUBLE_BIAS + 3'. */ \ - exponent = fpnum.ldbl.ieee.exponent; \ + exponent = u.ieee.exponent; \ \ if (exponent == 0) \ { \ diff --git a/sysdeps/x86_64/fpu/printf_fphex.c b/sysdeps/x86_64/fpu/printf_fphex.c index c85d1f79fb..be55f9cf6b 100644 --- a/sysdeps/x86_64/fpu/printf_fphex.c +++ b/sysdeps/x86_64/fpu/printf_fphex.c @@ -25,10 +25,11 @@ do { \ /* The "strange" 80 bit format on ix86 and m68k has an explicit \ leading digit in the 64 bit mantissa. */ \ unsigned long long int num; \ + union ieee854_long_double u; \ + u.d = fpnum.ldbl; \ \ - \ - num = (((unsigned long long int) fpnum.ldbl.ieee.mantissa0) << 32 \ - | fpnum.ldbl.ieee.mantissa1); \ + num = (((unsigned long long int) u.ieee.mantissa0) << 32 \ + | u.ieee.mantissa1); \ \ zero_mantissa = num == 0; \ \ @@ -61,7 +62,7 @@ do { \ \ /* We have 3 bits from the mantissa in the leading nibble. \ Therefore we are here using `IEEE854_LONG_DOUBLE_BIAS + 3'. */ \ - exponent = fpnum.ldbl.ieee.exponent; \ + exponent = u.ieee.exponent; \ \ if (exponent == 0) \ { \ |