PR tree-optimization/78696 - [7 Regression] -fprintf-return-value misoptimizes %.Ng where N is greater than 10
gcc/ChangeLog: PR tree-optimization/78696 * gimple-ssa-sprintf.c (format_floating): Correct handling of precision. Use MPFR for %f for greater fidelity. Correct handling of %g. (pass_sprintf_length::compute_format_length): Set width and precision specified by asrerisk to void_node for vararg functions. (try_substitute_return_value): Adjust dump output. gcc/testsuite/ChangeLog: PR tree-optimization/78696 * gcc.dg/tree-ssa/builtin-sprintf-5.c: Remove incorrect test cases. * gcc.dg/tree-ssa/builtin-sprintf-warn-7.c: Correct off-by-1 errors. * gcc.dg/tree-ssa/builtin-sprintf-warn-9.c: New test. * gcc.dg/tree-ssa/builtin-sprintf.c: Add test cases. From-SVN: r244037
This commit is contained in:
Martin Sebor
parent
0f2a6e84c6
commit
5b4f088d0d
7 changed files with 614 additions and 121 deletions
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@ -1,3 +1,13 @@
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2017-01-03 Martin Sebor <msebor@redhat.com>
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PR tree-optimization/78696
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* gimple-ssa-sprintf.c (format_floating): Correct handling of
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precision. Use MPFR for %f for greater fidelity. Correct handling
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of %g.
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(pass_sprintf_length::compute_format_length): Set width and precision
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specified by asrerisk to void_node for vararg functions.
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(try_substitute_return_value): Adjust dump output.
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2017-01-03 David Edelsohn <dje.gcc@gmail.com>
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* doc/invoke.texi (RS6000 options): LRA is enabled by default.
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@ -483,9 +483,11 @@ struct conversion_spec
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/* Numeric precision as in "%.32s". */
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int precision;
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/* Width specified via the '*' character. */
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/* Width specified via the '*' character. Need not be INTEGER_CST.
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For vararg functions set to void_node. */
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tree star_width;
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/* Precision specified via the asterisk. */
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/* Precision specified via the asterisk. Need not be INTEGER_CST.
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For vararg functions set to void_node. */
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tree star_precision;
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/* Length modifier. */
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@ -1246,15 +1248,26 @@ get_mpfr_format_length (mpfr_ptr x, const char *flags, HOST_WIDE_INT prec,
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fmtstr[len + 5] = spec;
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fmtstr[len + 6] = '\0';
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/* Avoid passing negative precisions with larger magnitude to MPFR
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to avoid exposing its bugs. (A negative precision is supposed
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to be ignored.) */
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if (prec < 0)
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prec = -1;
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spec = TOUPPER (spec);
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if (spec == 'E' || spec == 'F')
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{
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/* For %e, specify the precision explicitly since mpfr_sprintf
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does its own thing just to be different (see MPFR bug 21088). */
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if (prec < 0)
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prec = 6;
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}
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else
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{
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/* Avoid passing negative precisions with larger magnitude to MPFR
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to avoid exposing its bugs. (A negative precision is supposed
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to be ignored.) */
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if (prec < 0)
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prec = -1;
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}
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HOST_WIDE_INT p = prec;
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if (TOUPPER (spec) == 'G')
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if (spec == 'G')
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{
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/* For G/g, precision gives the maximum number of significant
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digits which is bounded by LDBL_MAX_10_EXP, or, for a 128
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@ -1287,7 +1300,8 @@ get_mpfr_format_length (mpfr_ptr x, const char *flags, HOST_WIDE_INT prec,
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}
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/* Return the number of bytes to format using the format specifier
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SPEC the largest value in the real floating TYPE. */
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SPEC and the precision PREC the largest value in the real floating
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TYPE. */
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static unsigned HOST_WIDE_INT
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format_floating_max (tree type, char spec, HOST_WIDE_INT prec)
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@ -1329,7 +1343,6 @@ format_floating (const conversion_spec &spec, HOST_WIDE_INT width,
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HOST_WIDE_INT prec)
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{
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tree type;
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bool ldbl = false;
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switch (spec.modifier)
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{
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@ -1340,12 +1353,10 @@ format_floating (const conversion_spec &spec, HOST_WIDE_INT width,
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case FMT_LEN_L:
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type = long_double_type_node;
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ldbl = true;
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break;
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case FMT_LEN_ll:
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type = long_double_type_node;
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ldbl = true;
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break;
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default:
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@ -1355,95 +1366,94 @@ format_floating (const conversion_spec &spec, HOST_WIDE_INT width,
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/* The minimum and maximum number of bytes produced by the directive. */
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fmtresult res;
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/* Log10 of of the maximum number of exponent digits for the type. */
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int logexpdigs = 2;
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/* The result is always bounded (though the range may be all of int). */
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res.bounded = true;
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if (REAL_MODE_FORMAT (TYPE_MODE (type))->b == 2)
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/* The minimum output as determined by flags. It's always at least 1. */
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int flagmin = (1 /* for the first digit */
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+ (spec.get_flag ('+') | spec.get_flag (' '))
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+ (prec == 0 && spec.get_flag ('#')));
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if (width == INT_MIN || prec == INT_MIN)
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{
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/* The base in which the exponent is represented should always
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be 2 in GCC. */
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const double log10_2 = .30102999566398119521;
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/* Compute T_MAX_EXP for base 2. */
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int expdigs = REAL_MODE_FORMAT (TYPE_MODE (type))->emax * log10_2;
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logexpdigs = ilog (expdigs, 10);
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/* When either width or precision is specified but unknown
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the upper bound is the maximum. Otherwise it will be
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computed for each directive below. */
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res.range.max = HOST_WIDE_INT_MAX;
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}
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else
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res.range.max = HOST_WIDE_INT_M1U;
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switch (spec.specifier)
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{
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case 'A':
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case 'a':
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{
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/* The minimum output is "0x.p+0". */
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res.range.min = 6 + (prec > 0 ? prec : 0);
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res.range.max = (width == INT_MIN
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? HOST_WIDE_INT_MAX
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: format_floating_max (type, 'a', prec));
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res.range.min = flagmin + 5 + (prec > 0 ? prec + 1 : 0);
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if (res.range.max == HOST_WIDE_INT_M1U)
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{
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/* Compute the upper bound for -TYPE_MAX. */
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res.range.max = format_floating_max (type, 'a', prec);
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}
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/* The output of "%a" is fully specified only when precision
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is explicitly specified and width isn't unknown. */
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res.bounded = INT_MIN != width && -1 < prec;
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break;
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}
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case 'E':
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case 'e':
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{
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bool sign = spec.get_flag ('+') || spec.get_flag (' ');
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/* The minimum output is "[-+]1.234567e+00" regardless
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of the value of the actual argument. */
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res.range.min = (sign
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+ 1 /* unit */ + (prec < 0 ? 7 : prec ? prec + 1 : 0)
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res.range.min = (flagmin
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+ (prec == INT_MIN
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? 0 : prec < 0 ? 7 : prec ? prec + 1 : 0)
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+ 2 /* e+ */ + 2);
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/* Unless width is uknown the maximum output is the minimum plus
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sign (unless already included), plus the difference between
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the minimum exponent of 2 and the maximum exponent for the type. */
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res.range.max = (width == INT_MIN
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? HOST_WIDE_INT_M1U
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: res.range.min + !sign + logexpdigs - 2);
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/* "%e" is fully specified and the range of bytes is bounded
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unless width is unknown. */
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res.bounded = INT_MIN != width;
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if (res.range.max == HOST_WIDE_INT_M1U)
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{
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/* MPFR uses a precision of 16 by default for some reason.
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Set it to the C default of 6. */
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res.range.max = format_floating_max (type, 'e',
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-1 == prec ? 6 : prec);
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}
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break;
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}
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case 'F':
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case 'f':
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{
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/* The minimum output is "1.234567" regardless of the value
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of the actual argument. */
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res.range.min = 2 + (prec < 0 ? 6 : prec);
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/* The lower bound when precision isn't specified is 8 bytes
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("1.23456" since precision is taken to be 6). When precision
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is zero, the lower bound is 1 byte (e.g., "1"). Otherwise,
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when precision is greater than zero, then the lower bound
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is 2 plus precision (plus flags). */
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res.range.min = (flagmin
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+ (prec != INT_MIN) /* for decimal point */
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+ (prec == INT_MIN
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? 0 : prec < 0 ? 6 : prec ? prec : -1));
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/* Compute the maximum just once. */
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const HOST_WIDE_INT f_max[] = {
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format_floating_max (double_type_node, 'f', prec),
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format_floating_max (long_double_type_node, 'f', prec)
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};
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res.range.max = width == INT_MIN ? HOST_WIDE_INT_MAX : f_max [ldbl];
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/* "%f" is fully specified and the range of bytes is bounded
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unless width is unknown. */
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res.bounded = INT_MIN != width;
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if (res.range.max == HOST_WIDE_INT_M1U)
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{
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/* Compute the upper bound for -TYPE_MAX. */
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res.range.max = format_floating_max (type, 'f', prec);
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}
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break;
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}
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case 'G':
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case 'g':
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{
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/* The minimum is the same as for '%F'. */
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res.range.min = 1;
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/* Compute the maximum just once. */
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const HOST_WIDE_INT g_max[] = {
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format_floating_max (double_type_node, 'g', prec),
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format_floating_max (long_double_type_node, 'g', prec)
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};
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res.range.max = width == INT_MIN ? HOST_WIDE_INT_MAX : g_max [ldbl];
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/* "%g" is fully specified and the range of bytes is bounded
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unless width is unknown. */
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res.bounded = INT_MIN != width;
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/* The %g output depends on precision and the exponent of
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the argument. Since the value of the argument isn't known
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the lower bound on the range of bytes (not counting flags
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or width) is 1. */
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res.range.min = flagmin;
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if (res.range.max == HOST_WIDE_INT_M1U)
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{
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/* Compute the upper bound for -TYPE_MAX which should be
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the lesser of %e and %f. */
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res.range.max = format_floating_max (type, 'g', prec);
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}
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break;
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}
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@ -1453,6 +1463,7 @@ format_floating (const conversion_spec &spec, HOST_WIDE_INT width,
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if (width > 0)
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{
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/* If width has been specified use it to adjust the range. */
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if (res.range.min < (unsigned)width)
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res.range.min = width;
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if (res.range.max < (unsigned)width)
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@ -1469,9 +1480,9 @@ format_floating (const conversion_spec &spec, HOST_WIDE_INT width,
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static fmtresult
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format_floating (const conversion_spec &spec, tree arg)
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{
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/* Set WIDTH to -1 when it's not specified, to INT_MIN when it is
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specified by the asterisk to an unknown value, and otherwise to
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a non-negative value corresponding to the specified width. */
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/* Set WIDTH to -1 when it's not specified, to HOST_WIDE_INT_MIN when
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it is specified by the asterisk to an unknown value, and otherwise
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to a non-negative value corresponding to the specified width. */
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HOST_WIDE_INT width = -1;
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HOST_WIDE_INT prec = -1;
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@ -1498,13 +1509,13 @@ format_floating (const conversion_spec &spec, tree arg)
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else if (spec.star_precision)
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{
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if (TREE_CODE (spec.star_precision) == INTEGER_CST)
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prec = tree_to_shwi (spec.star_precision);
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else
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{
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/* FIXME: Handle non-constant precision. */
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res.range.min = res.range.max = HOST_WIDE_INT_M1U;
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return res;
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prec = tree_to_shwi (spec.star_precision);
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if (prec < 0)
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prec = -1;
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}
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else
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prec = INT_MIN;
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}
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else if (res.constant && TOUPPER (spec.specifier) != 'A')
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{
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@ -1515,11 +1526,6 @@ format_floating (const conversion_spec &spec, tree arg)
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if (res.constant)
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{
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/* Set up an array to easily iterate over. */
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unsigned HOST_WIDE_INT* const minmax[] = {
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&res.range.min, &res.range.max
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};
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/* Get the real type format desription for the target. */
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const REAL_VALUE_TYPE *rvp = TREE_REAL_CST_PTR (arg);
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const real_format *rfmt = REAL_MODE_FORMAT (TYPE_MODE (TREE_TYPE (arg)));
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@ -1541,26 +1547,42 @@ format_floating (const conversion_spec &spec, tree arg)
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*pfmt = '\0';
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for (int i = 0; i != sizeof minmax / sizeof *minmax; ++i)
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{
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/* Set up an array to easily iterate over below. */
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unsigned HOST_WIDE_INT* const minmax[] = {
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&res.range.min, &res.range.max
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};
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for (int i = 0; i != sizeof minmax / sizeof *minmax; ++i)
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{
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/* Use the MPFR rounding specifier to round down in the first
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iteration and then up. In most but not all cases this will
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result in the same number of bytes. */
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char rndspec = "DU"[i];
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/* Format it and store the result in the corresponding member
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of the result struct. */
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unsigned HOST_WIDE_INT len
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= get_mpfr_format_length (mpfrval, fmtstr, prec,
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spec.specifier, rndspec);
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if (0 < width && len < (unsigned)width)
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len = width;
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*minmax[i] = len;
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}
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}
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/* Make sure the minimum is less than the maximum (MPFR rounding
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in the call to mpfr_snprintf can result in the reverse. */
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if (res.range.max < res.range.min)
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{
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/* Use the MPFR rounding specifier to round down in the first
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iteration and then up. In most but not all cases this will
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result in the same number of bytes. */
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char rndspec = "DU"[i];
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/* Format it and store the result in the corresponding member
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of the result struct. */
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unsigned HOST_WIDE_INT len
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= get_mpfr_format_length (mpfrval, fmtstr, prec,
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spec.specifier, rndspec);
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if (0 < width && len < (unsigned)width)
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len = width;
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*minmax[i] = len;
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unsigned HOST_WIDE_INT tmp = res.range.min;
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res.range.min = res.range.max;
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res.range.max = tmp;
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}
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/* The range of output is known even if the result isn't bounded. */
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if (width == INT_MIN)
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if (width == HOST_WIDE_INT_MIN)
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{
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res.knownrange = false;
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res.range.max = HOST_WIDE_INT_MAX;
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@ -2420,10 +2442,10 @@ pass_sprintf_length::compute_format_length (call_info &info,
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{
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/* Similarly to the block above, this could be either a POSIX
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positional argument or a width, depending on what follows. */
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if (gimple_call_num_args (info.callstmt) <= argno)
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return false;
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spec.star_width = gimple_call_arg (info.callstmt, argno++);
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if (argno < gimple_call_num_args (info.callstmt))
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spec.star_width = gimple_call_arg (info.callstmt, argno++);
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else
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spec.star_width = void_node;
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++pf;
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}
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@ -2499,7 +2521,10 @@ pass_sprintf_length::compute_format_length (call_info &info,
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}
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else if ('*' == *pf)
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{
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spec.star_width = gimple_call_arg (info.callstmt, argno++);
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if (argno < gimple_call_num_args (info.callstmt))
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spec.star_width = gimple_call_arg (info.callstmt, argno++);
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else
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spec.star_width = void_node;
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++pf;
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}
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else if ('\'' == *pf)
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@ -2527,7 +2552,10 @@ pass_sprintf_length::compute_format_length (call_info &info,
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}
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else if ('*' == *pf)
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{
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spec.star_precision = gimple_call_arg (info.callstmt, argno++);
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if (argno < gimple_call_num_args (info.callstmt))
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spec.star_precision = gimple_call_arg (info.callstmt, argno++);
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else
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spec.star_precision = void_node;
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++pf;
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}
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else
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@ -2795,11 +2823,11 @@ try_substitute_return_value (gimple_stmt_iterator *gsi,
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fprintf (dump_file,
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" %s-bounds return value in range [%lu, %lu]%s.\n",
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inbounds,
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(unsigned long)res.number_chars_min,
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(unsigned long)res.number_chars_max, ign);
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(unsigned long)res.number_chars_min - 1,
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(unsigned long)res.number_chars_max - 1, ign);
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else
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fprintf (dump_file, " %s-bounds return value %lu%s.\n",
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inbounds, (unsigned long)res.number_chars, ign);
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inbounds, (unsigned long)res.number_chars - 1, ign);
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}
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}
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}
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|
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|
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@ -1,3 +1,43 @@
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2017-01-03 Martin Sebor <msebor@redhat.com>
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|
||||
PR tree-optimization/78696
|
||||
* gcc.dg/tree-ssa/builtin-sprintf-5.c: Remove incorrect test cases.
|
||||
* gcc.dg/tree-ssa/builtin-sprintf-warn-7.c: Correct off-by-1 errors.
|
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* gcc.dg/tree-ssa/builtin-sprintf-warn-9.c: New test.
|
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* gcc.dg/tree-ssa/builtin-sprintf.c: Add test cases.
|
||||
|
||||
2017-01-03 David Malcolm <dmalcolm@redhat.com>
|
||||
|
||||
* gcc.dg/dg-test-1.c: Add tests of relative line specifications
|
||||
with more than one digit.
|
||||
* lib/gcc-dg.exp (process-message): Support more than one digit
|
||||
in relative line specifications.
|
||||
|
||||
2017-01-03 Jakub Jelinek <jakub@redhat.com>
|
||||
|
||||
PR tree-optimization/78965
|
||||
* gcc.dg/pr78965.c: New test.
|
||||
|
||||
PR middle-end/78901
|
||||
* g++.dg/opt/pr78901.C: New test.
|
||||
|
||||
2017-01-03 Janne Blomqvist <jb@gcc.gnu.org>
|
||||
|
||||
PR fortran/78534
|
||||
PR fortran/66310
|
||||
* gfortran.dg/dependency_49.f90: Change scan-tree-dump-times
|
||||
due to gfc_trans_string_copy change to avoid -Wstringop-overflow.
|
||||
* gfortran.dg/repeat_4.f90: Use integers of kind C_SIZE_T.
|
||||
* gfortran.dg/repeat_7.f90: New test for PR 66310.
|
||||
* gfortran.dg/scan_2.f90: Handle potential cast in assignment.
|
||||
* gfortran.dg/string_1.f90: Limit to ilp32 targets.
|
||||
* gfortran.dg/string_1_lp64.f90: New test.
|
||||
* gfortran.dg/string_3.f90: Limit to ilp32 targets.
|
||||
* gfortran.dg/string_3_lp64.f90: New test.
|
||||
* gfortran.dg/transfer_intrinsic_1.f90: Change
|
||||
scan-tree-dump-times due to gfc_trans_string_copy change to
|
||||
avoid -Wstringop-overflow.
|
||||
|
||||
2017-01-02 Uros Bizjak <ubizjak@gmail.com>
|
||||
|
||||
PR target/78967
|
||||
|
|
|
|||
|
|
@ -21,6 +21,7 @@
|
|||
FAIL (__LINE__)(value); \
|
||||
} while (0)
|
||||
|
||||
/* Verify that EXPECT == snprintf(0, 0, ...). */
|
||||
#define EQL(expect, ...) \
|
||||
do { \
|
||||
int n = __builtin_snprintf (0, 0, __VA_ARGS__); \
|
||||
|
|
@ -140,6 +141,7 @@ void test_arg_multiarg (int i, double d)
|
|||
EQL (16, "%*i %s", 12, i, "abc");
|
||||
}
|
||||
|
||||
/* Verify that EXPECT == vsnprintf(0, 0, ...). */
|
||||
#define EQLv(expect, fmt, va) \
|
||||
do { \
|
||||
int n = __builtin_vsnprintf (0, 0, fmt, va); \
|
||||
|
|
@ -149,9 +151,7 @@ void test_arg_multiarg (int i, double d)
|
|||
void test_va_int (__builtin_va_list va)
|
||||
{
|
||||
EQLv ( 2, "%02hhx", va);
|
||||
EQLv ( 2, "%02.*hhx", va);
|
||||
EQLv ( 4, "%04hx", va);
|
||||
EQLv ( 4, "%04.*hx", va);
|
||||
}
|
||||
|
||||
void test_va_multiarg (__builtin_va_list va)
|
||||
|
|
|
|||
|
|
@ -63,11 +63,14 @@ void test_floating_a_var (double x)
|
|||
|
||||
T (0, "%.*a", INT_MIN, x); /* { dg-warning "writing between 6 and 24 bytes" } */
|
||||
|
||||
T (0, "%.*a", INT_MAX, x); /* { dg-warning "writing between 2147483653 and 2147483658 bytes" } */
|
||||
/* Expected output is "0x0." followed by INT_MAX digits followed by
|
||||
"p+" followed by 1 to four digits, with a byte count in the range
|
||||
[3 + INT_MAX + 2 + 1, 3 + INT_MAX + 2 + 4]. */
|
||||
T (0, "%.*a", INT_MAX, x); /* { dg-warning "writing between 2147483654 and 2147483658 bytes" } */
|
||||
|
||||
T (0, "%*.*a", INT_MIN, INT_MIN, x); /* { dg-warning "writing 2147483648 bytes" } */
|
||||
|
||||
T (0, "%*.*a", INT_MAX, INT_MAX, x); /* { dg-warning "writing between 2147483653 and 2147483658 bytes" } */
|
||||
T (0, "%*.*a", INT_MAX, INT_MAX, x); /* { dg-warning "writing between 2147483654 and 2147483658 bytes" } */
|
||||
}
|
||||
|
||||
void test_floating_e_cst (void)
|
||||
|
|
@ -75,7 +78,7 @@ void test_floating_e_cst (void)
|
|||
T (0, "%*e", INT_MIN, 0.); /* { dg-warning "writing 2147483648 bytes" } */
|
||||
T (0, "%*e", INT_MAX, 0.); /* { dg-warning "writing 2147483647 bytes" } */
|
||||
|
||||
T (0, "%.*e", INT_MIN, 0.); /* { dg-warning "writing 5 bytes" } */
|
||||
T (0, "%.*e", INT_MIN, 0.); /* { dg-warning "writing 12 bytes" } */
|
||||
|
||||
T (0, "%.*e", INT_MAX, 0.); /* { dg-warning "writing 2147483653 bytes" } */
|
||||
|
||||
|
|
@ -103,7 +106,7 @@ void test_floating_f_cst (void)
|
|||
T (0, "%*f", INT_MIN, 0.); /* { dg-warning "writing 2147483648 bytes" } */
|
||||
T (0, "%*f", INT_MAX, 0.); /* { dg-warning "writing 2147483647 bytes" } */
|
||||
|
||||
T (0, "%.*f", INT_MIN, 0.); /* { dg-warning "writing 1 byte" } */
|
||||
T (0, "%.*f", INT_MIN, 0.); /* { dg-warning "writing 8 byte" } */
|
||||
|
||||
T (0, "%.*f", INT_MAX, 0.); /* { dg-warning "writing 2147483649 bytes" } */
|
||||
|
||||
|
|
|
|||
276
gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-9.c
Normal file
276
gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-9.c
Normal file
|
|
@ -0,0 +1,276 @@
|
|||
/* 78696 - -fprintf-return-value misoptimizes %.Ng where N is greater than 10
|
||||
Test to verify the correctness of ranges of output computed for floating
|
||||
point directives.
|
||||
{ dg-do compile }
|
||||
{ dg-options "-O2 -Wformat -Wformat-length -ftrack-macro-expansion=0" } */
|
||||
|
||||
typedef __builtin_va_list va_list;
|
||||
|
||||
char dst[1];
|
||||
|
||||
extern void sink (int, void*);
|
||||
|
||||
/* Macro to test either width or precision specified by the asterisk
|
||||
(but not both). */
|
||||
#define T1(fmt, a) sink (__builtin_sprintf (dst + 1, fmt, a, x), dst)
|
||||
|
||||
/* Macro to test both width and precision specified by the asterisk. */
|
||||
#define T2(fmt, w, p) sink (__builtin_sprintf (dst + 1, fmt, w, p, x), dst)
|
||||
|
||||
/* Macro to test vsprintf with both width and precision specified by
|
||||
the asterisk. */
|
||||
#define T(fmt) sink (__builtin_vsprintf (dst + 1, fmt, va), dst)
|
||||
|
||||
/* Exercise %a. */
|
||||
void test_a (int w, int p, double x)
|
||||
{
|
||||
T1 ("%.*a", 0); /* { dg-warning "between 6 and 10 bytes" } */
|
||||
T1 ("%.*a", 1); /* { dg-warning "between 8 and 12 bytes" } */
|
||||
T1 ("%.*a", 2); /* { dg-warning "between 9 and 13 bytes" } */
|
||||
T1 ("%.*a", 99); /* { dg-warning "between 106 and 110 bytes" } */
|
||||
T1 ("%.*a", 199); /* { dg-warning "between 206 and 210 bytes" } */
|
||||
T1 ("%.*a", 1099); /* { dg-warning "between 1106 and 1110 bytes" } */
|
||||
|
||||
T1 ("%*.a", 0); /* { dg-warning "between 6 and 10 bytes" } */
|
||||
T1 ("%*.a", 1); /* { dg-warning "between 6 and 10 bytes" } */
|
||||
T1 ("%*.a", 3); /* { dg-warning "between 6 and 10 bytes" } */
|
||||
T1 ("%*.a", 6); /* { dg-warning "between 6 and 10 bytes" } */
|
||||
T1 ("%*.a", 7); /* { dg-warning "between 7 and 10 bytes" } */
|
||||
|
||||
T1 ("%*.a", w); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T1 ("%*.0a", w); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T1 ("%*.1a", w); /* { dg-warning "writing 8 or more bytes" } */
|
||||
T1 ("%*.2a", w); /* { dg-warning "writing 9 or more bytes" } */
|
||||
|
||||
T1 ("%.*a", p); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T1 ("%1.*a", p); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T1 ("%2.*a", p); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T1 ("%3.*a", p); /* { dg-warning "writing 6 or more bytes" } */
|
||||
|
||||
T2 ("%*.*a", w, p); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T2 ("%*.*a", w, p); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T2 ("%*.*a", w, p); /* { dg-warning "writing 6 or more bytes" } */
|
||||
}
|
||||
|
||||
/* Exercise %e. */
|
||||
void test_e (int w, int p, double x)
|
||||
{
|
||||
T1 ("%.*e", 0); /* { dg-warning "between 5 and 7 bytes" } */
|
||||
T1 ("%.*e", 1); /* { dg-warning "between 7 and 9 bytes" } */
|
||||
T1 ("%.*e", 2); /* { dg-warning "between 8 and 10 bytes" } */
|
||||
T1 ("%.*e", 99); /* { dg-warning "between 105 and 107 bytes" } */
|
||||
T1 ("%.*e", 199); /* { dg-warning "between 205 and 207 bytes" } */
|
||||
T1 ("%.*e", 1099); /* { dg-warning "between 1105 and 1107 bytes" } */
|
||||
|
||||
T1 ("%*.e", 0); /* { dg-warning "between 5 and 7 bytes" } */
|
||||
T1 ("%*.e", 1); /* { dg-warning "between 5 and 7 bytes" } */
|
||||
T1 ("%*.e", 1); /* { dg-warning "between 5 and 7 bytes" } */
|
||||
T1 ("%*.e", 3); /* { dg-warning "between 5 and 7 bytes" } */
|
||||
T1 ("%*.e", 6); /* { dg-warning "between 6 and 7 bytes" } */
|
||||
T1 ("%*.e", 7); /* { dg-warning "writing 7 bytes" } */
|
||||
|
||||
T1 ("%*.e", w); /* { dg-warning "writing 5 or more bytes" } */
|
||||
T1 ("%*.0e", w); /* { dg-warning "writing 5 or more bytes" } */
|
||||
T1 ("%*.1e", w); /* { dg-warning "writing 7 or more bytes" } */
|
||||
T1 ("%*.2e", w); /* { dg-warning "writing 8 or more bytes" } */
|
||||
|
||||
T1 ("%.*e", p); /* { dg-warning "writing 5 or more bytes" } */
|
||||
T1 ("%1.*e", p); /* { dg-warning "writing 5 or more bytes" } */
|
||||
T1 ("%2.*e", p); /* { dg-warning "writing 5 or more bytes" } */
|
||||
T1 ("%3.*e", p); /* { dg-warning "writing 5 or more bytes" } */
|
||||
|
||||
T2 ("%*.*e", w, p); /* { dg-warning "writing 5 or more bytes" } */
|
||||
T2 ("%*.*e", w, p); /* { dg-warning "writing 5 or more bytes" } */
|
||||
T2 ("%*.*e", w, p); /* { dg-warning "writing 5 or more bytes" } */
|
||||
}
|
||||
|
||||
/* Exercise %f. */
|
||||
void test_f (int w, int p, double x)
|
||||
{
|
||||
T1 ("%.*f", 0); /* { dg-warning "between 1 and 310 bytes" } */
|
||||
T1 ("%.*f", 1); /* { dg-warning "between 3 and 312 bytes" } */
|
||||
T1 ("%.*f", 2); /* { dg-warning "between 4 and 313 bytes" } */
|
||||
T1 ("%.*f", 99); /* { dg-warning "between 101 and 410 bytes" } */
|
||||
T1 ("%.*f", 199); /* { dg-warning "between 201 and 510 bytes" } */
|
||||
T1 ("%.*f", 1099); /* { dg-warning "between 1101 and 1410 bytes" } */
|
||||
|
||||
T2 ("%*.*f", 0, 0); /* { dg-warning "between 1 and 310 bytes" } */
|
||||
T2 ("%*.*f", 1, 0); /* { dg-warning "between 1 and 310 bytes" } */
|
||||
T2 ("%*.*f", 2, 0); /* { dg-warning "between 2 and 310 bytes" } */
|
||||
T2 ("%*.*f", 3, 0); /* { dg-warning "between 3 and 310 bytes" } */
|
||||
T2 ("%*.*f", 310, 0); /* { dg-warning "writing 310 bytes" } */
|
||||
T2 ("%*.*f", 311, 0); /* { dg-warning "writing 311 bytes" } */
|
||||
T2 ("%*.*f", 312, 312); /* { dg-warning "between 314 and 623 bytes" } */
|
||||
T2 ("%*.*f", 312, 313); /* { dg-warning "between 315 and 624 bytes" } */
|
||||
|
||||
T1 ("%*.f", w); /* { dg-warning "writing 1 or more bytes" } */
|
||||
T1 ("%*.0f", w); /* { dg-warning "writing 1 or more bytes" } */
|
||||
T1 ("%*.1f", w); /* { dg-warning "writing 3 or more bytes" } */
|
||||
T1 ("%*.2f", w); /* { dg-warning "writing 4 or more bytes" } */
|
||||
|
||||
T1 ("%.*f", p); /* { dg-warning "writing 1 or more bytes" } */
|
||||
T1 ("%1.*f", p); /* { dg-warning "writing 1 or more bytes" } */
|
||||
T1 ("%2.*f", p); /* { dg-warning "writing 2 or more bytes" } */
|
||||
T1 ("%3.*f", p); /* { dg-warning "writing 3 or more bytes" } */
|
||||
|
||||
T2 ("%*.*f", w, p); /* { dg-warning "writing 1 or more bytes" } */
|
||||
T2 ("%*.*f", w, p); /* { dg-warning "writing 1 or more bytes" } */
|
||||
T2 ("%*.*f", w, p); /* { dg-warning "writing 1 or more bytes" } */
|
||||
}
|
||||
|
||||
/* Exercise %g. The expected output is the lesser of %e and %f. */
|
||||
void test_g (double x)
|
||||
{
|
||||
T1 ("%.*g", 0); /* { dg-warning "between 1 and 7 bytes" } */
|
||||
T1 ("%.*g", 1); /* { dg-warning "between 1 and 7 bytes" } */
|
||||
T1 ("%.*g", 2); /* { dg-warning "between 1 and 9 bytes" } */
|
||||
T1 ("%.*g", 99); /* { dg-warning "between 1 and 106 bytes" } */
|
||||
T1 ("%.*g", 199); /* { dg-warning "between 1 and 206 bytes" } */
|
||||
T1 ("%.*g", 1099); /* { dg-warning "between 1 and 310 bytes" } */
|
||||
|
||||
T2 ("%*.*g", 0, 0); /* { dg-warning "between 1 and 7 bytes" } */
|
||||
T2 ("%*.*g", 1, 0); /* { dg-warning "between 1 and 7 bytes" } */
|
||||
T2 ("%*.*g", 2, 0); /* { dg-warning "between 2 and 7 bytes" } */
|
||||
T2 ("%*.*g", 3, 0); /* { dg-warning "between 3 and 7 bytes" } */
|
||||
T2 ("%*.*g", 7, 0); /* { dg-warning "writing 7 bytes" } */
|
||||
T2 ("%*.*g", 310, 0); /* { dg-warning "writing 310 bytes" } */
|
||||
T2 ("%*.*g", 311, 0); /* { dg-warning "writing 311 bytes" } */
|
||||
T2 ("%*.*g", 312, 312); /* { dg-warning "writing 312 bytes" } */
|
||||
T2 ("%*.*g", 312, 313); /* { dg-warning "writing 312 bytes" } */
|
||||
T2 ("%*.*g", 333, 999); /* { dg-warning "writing 333 bytes" } */
|
||||
}
|
||||
|
||||
/* Exercise %a. */
|
||||
void test_a_va (va_list va)
|
||||
{
|
||||
T ("%.0a"); /* { dg-warning "between 6 and 10 bytes" } */
|
||||
T ("%.1a"); /* { dg-warning "between 8 and 12 bytes" } */
|
||||
T ("%.2a"); /* { dg-warning "between 9 and 13 bytes" } */
|
||||
T ("%.99a"); /* { dg-warning "between 106 and 110 bytes" } */
|
||||
T ("%.199a"); /* { dg-warning "between 206 and 210 bytes" } */
|
||||
T ("%.1099a"); /* { dg-warning "between 1106 and 1110 bytes" } */
|
||||
|
||||
T ("%0.a"); /* { dg-warning "between 6 and 10 bytes" } */
|
||||
T ("%1.a"); /* { dg-warning "between 6 and 10 bytes" } */
|
||||
T ("%3.a"); /* { dg-warning "between 6 and 10 bytes" } */
|
||||
T ("%6.a"); /* { dg-warning "between 6 and 10 bytes" } */
|
||||
T ("%7.a"); /* { dg-warning "between 7 and 10 bytes" } */
|
||||
|
||||
T ("%*.a"); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T ("%*.0a"); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T ("%*.1a"); /* { dg-warning "writing 8 or more bytes" } */
|
||||
T ("%*.2a"); /* { dg-warning "writing 9 or more bytes" } */
|
||||
|
||||
T ("%.*a"); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T ("%1.*a"); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T ("%2.*a"); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T ("%6.*a"); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T ("%9.*a"); /* { dg-warning "writing 9 or more bytes" } */
|
||||
|
||||
T ("%*.*a"); /* { dg-warning "writing 6 or more bytes" } */
|
||||
}
|
||||
|
||||
/* Exercise %e. */
|
||||
void test_e_va (va_list va)
|
||||
{
|
||||
T ("%e"); /* { dg-warning "between 12 and 14 bytes" } */
|
||||
T ("%+e"); /* { dg-warning "between 13 and 14 bytes" } */
|
||||
T ("% e"); /* { dg-warning "between 13 and 14 bytes" } */
|
||||
T ("%#e"); /* { dg-warning "between 12 and 14 bytes" } */
|
||||
T ("%#+e"); /* { dg-warning "between 13 and 14 bytes" } */
|
||||
T ("%# e"); /* { dg-warning "between 13 and 14 bytes" } */
|
||||
|
||||
T ("%.e"); /* { dg-warning "between 5 and 7 bytes" } */
|
||||
T ("%.0e"); /* { dg-warning "between 5 and 7 bytes" } */
|
||||
T ("%.1e"); /* { dg-warning "between 7 and 9 bytes" } */
|
||||
T ("%.2e"); /* { dg-warning "between 8 and 10 bytes" } */
|
||||
T ("%.99e"); /* { dg-warning "between 105 and 107 bytes" } */
|
||||
T ("%.199e"); /* { dg-warning "between 205 and 207 bytes" } */
|
||||
T ("%.1099e"); /* { dg-warning "between 1105 and 1107 bytes" } */
|
||||
|
||||
T ("%0.e"); /* { dg-warning "between 5 and 7 bytes" } */
|
||||
T ("%1.e"); /* { dg-warning "between 5 and 7 bytes" } */
|
||||
T ("%1.e"); /* { dg-warning "between 5 and 7 bytes" } */
|
||||
T ("%3.e"); /* { dg-warning "between 5 and 7 bytes" } */
|
||||
T ("%6.e"); /* { dg-warning "between 6 and 7 bytes" } */
|
||||
T ("%7.e"); /* { dg-warning "writing 7 bytes" } */
|
||||
|
||||
T ("%.*e"); /* { dg-warning "writing 5 or more bytes" } */
|
||||
T ("%1.*e"); /* { dg-warning "writing 5 or more bytes" } */
|
||||
T ("%6.*e"); /* { dg-warning "writing 6 or more bytes" } */
|
||||
T ("%9.*e"); /* { dg-warning "writing 9 or more bytes" } */
|
||||
|
||||
T ("%*.*e"); /* { dg-warning "writing 5 or more bytes" } */
|
||||
}
|
||||
|
||||
/* Exercise %f. */
|
||||
void test_f_va (va_list va)
|
||||
{
|
||||
T ("%f"); /* { dg-warning "between 8 and 317 bytes" } */
|
||||
T ("%+f"); /* { dg-warning "between 9 and 317 bytes" } */
|
||||
T ("% f"); /* { dg-warning "between 9 and 317 bytes" } */
|
||||
T ("%#f"); /* { dg-warning "between 8 and 317 bytes" } */
|
||||
T ("%+f"); /* { dg-warning "between 9 and 317 bytes" } */
|
||||
T ("% f"); /* { dg-warning "between 9 and 317 bytes" } */
|
||||
T ("%#+f"); /* { dg-warning "between 9 and 317 bytes" } */
|
||||
T ("%# f"); /* { dg-warning "between 9 and 317 bytes" } */
|
||||
|
||||
T ("%.f"); /* { dg-warning "between 1 and 310 bytes" } */
|
||||
T ("%.0f"); /* { dg-warning "between 1 and 310 bytes" } */
|
||||
T ("%.1f"); /* { dg-warning "between 3 and 312 bytes" } */
|
||||
T ("%.2f"); /* { dg-warning "between 4 and 313 bytes" } */
|
||||
T ("%.99f"); /* { dg-warning "between 101 and 410 bytes" } */
|
||||
T ("%.199f"); /* { dg-warning "between 201 and 510 bytes" } */
|
||||
T ("%.1099f"); /* { dg-warning "between 1101 and 1410 bytes" } */
|
||||
|
||||
T ("%0.0f"); /* { dg-warning "between 1 and 310 bytes" } */
|
||||
T ("%1.0f"); /* { dg-warning "between 1 and 310 bytes" } */
|
||||
T ("%2.0f"); /* { dg-warning "between 2 and 310 bytes" } */
|
||||
T ("%3.0f"); /* { dg-warning "between 3 and 310 bytes" } */
|
||||
T ("%310.0f"); /* { dg-warning "writing 310 bytes" } */
|
||||
T ("%311.0f"); /* { dg-warning "writing 311 bytes" } */
|
||||
T ("%312.312f"); /* { dg-warning "between 314 and 623 bytes" } */
|
||||
T ("%312.313f"); /* { dg-warning "between 315 and 624 bytes" } */
|
||||
|
||||
T ("%.*f"); /* { dg-warning "writing 1 or more bytes" } */
|
||||
T ("%1.*f"); /* { dg-warning "writing 1 or more bytes" } */
|
||||
T ("%3.*f"); /* { dg-warning "writing 3 or more bytes" } */
|
||||
|
||||
T ("%*.*f"); /* { dg-warning "writing 1 or more bytes" } */
|
||||
}
|
||||
|
||||
/* Exercise %g. The expected output is the lesser of %e and %f. */
|
||||
void test_g_va (va_list va)
|
||||
{
|
||||
T ("%g"); /* { dg-warning "between 1 and 13 bytes" } */
|
||||
T ("%+g"); /* { dg-warning "between 2 and 13 bytes" } */
|
||||
T ("% g"); /* { dg-warning "between 2 and 13 bytes" } */
|
||||
T ("%#g"); /* { dg-warning "between 1 and 13 bytes" } */
|
||||
T ("%#+g"); /* { dg-warning "between 2 and 13 bytes" } */
|
||||
T ("%# g"); /* { dg-warning "between 2 and 13 bytes" } */
|
||||
|
||||
T ("%.g"); /* { dg-warning "between 1 and 7 bytes" } */
|
||||
T ("%.0g"); /* { dg-warning "between 1 and 7 bytes" } */
|
||||
T ("%.1g"); /* { dg-warning "between 1 and 7 bytes" } */
|
||||
T ("%.2g"); /* { dg-warning "between 1 and 9 bytes" } */
|
||||
T ("%.99g"); /* { dg-warning "between 1 and 106 bytes" } */
|
||||
T ("%.199g"); /* { dg-warning "between 1 and 206 bytes" } */
|
||||
T ("%.1099g"); /* { dg-warning "between 1 and 310 bytes" } */
|
||||
|
||||
T ("%0.0g"); /* { dg-warning "between 1 and 7 bytes" } */
|
||||
T ("%1.0g"); /* { dg-warning "between 1 and 7 bytes" } */
|
||||
T ("%2.0g"); /* { dg-warning "between 2 and 7 bytes" } */
|
||||
T ("%3.0g"); /* { dg-warning "between 3 and 7 bytes" } */
|
||||
T ("%7.0g"); /* { dg-warning "writing 7 bytes" } */
|
||||
T ("%310.0g"); /* { dg-warning "writing 310 bytes" } */
|
||||
T ("%311.0g"); /* { dg-warning "writing 311 bytes" } */
|
||||
T ("%312.312g"); /* { dg-warning "writing 312 bytes" } */
|
||||
T ("%312.313g"); /* { dg-warning "writing 312 bytes" } */
|
||||
T ("%333.999g"); /* { dg-warning "writing 333 bytes" } */
|
||||
|
||||
T ("%.*g"); /* { dg-warning "writing 1 or more bytes" } */
|
||||
T ("%1.*g"); /* { dg-warning "writing 1 or more bytes" } */
|
||||
T ("%4.*g"); /* { dg-warning "writing 4 or more bytes" } */
|
||||
|
||||
T ("%*.*g"); /* { dg-warning "writing 1 or more bytes" } */
|
||||
}
|
||||
|
|
@ -56,9 +56,12 @@ checkv (const char *func, int line, int res, int min, int max,
|
|||
|
||||
fail = 1;
|
||||
}
|
||||
else
|
||||
else if (min == max)
|
||||
__builtin_printf ("PASS: %s:%i: \"%s\" result %i: \"%s\"\n",
|
||||
func, line, fmt, n, dst);
|
||||
else
|
||||
__builtin_printf ("PASS: %s:%i: \"%s\" result %i in [%i, %i]: \"%s\"\n",
|
||||
func, line, fmt, n, min, max, dst);
|
||||
}
|
||||
|
||||
if (fail)
|
||||
|
|
@ -75,7 +78,7 @@ check (const char *func, int line, int res, int min, int max,
|
|||
__builtin_va_end (va);
|
||||
}
|
||||
|
||||
char buffer[256];
|
||||
char buffer[4100];
|
||||
char* volatile dst = buffer;
|
||||
char* ptr = buffer;
|
||||
|
||||
|
|
@ -415,6 +418,8 @@ test_a_double (double d)
|
|||
EQL ( 9, 10, "%.2a", 4.0); /* 0x8.00p-1 */
|
||||
EQL (10, 11, "%.3a", 5.0); /* 0xa.000p-1 */
|
||||
|
||||
EQL (11, 12, "%.*a", 4, 6.0); /* 0xc.0000p-1 */
|
||||
EQL (12, 13, "%.*a", 5, 7.0); /* 0xe.00000p-1 */
|
||||
/* d is in [ 0, -DBL_MAX ] */
|
||||
RNG ( 6, 10, 11, "%.0a", d); /* 0x0p+0 ... -0x2p+1023 */
|
||||
RNG ( 6, 12, 13, "%.1a", d); /* 0x0p+0 ... -0x2.0p+1023 */
|
||||
|
|
@ -432,7 +437,7 @@ test_a_long_double (void)
|
|||
}
|
||||
|
||||
static void __attribute__ ((noinline, noclone))
|
||||
test_e_double (void)
|
||||
test_e_double (double d)
|
||||
{
|
||||
EQL (12, 13, "%e", 1.0e0);
|
||||
EQL (13, 14, "%e", -1.0e0);
|
||||
|
|
@ -454,10 +459,34 @@ test_e_double (void)
|
|||
EQL (12, 13, "%e", 1.0e-1);
|
||||
EQL (12, 13, "%e", 1.0e-12);
|
||||
EQL (13, 14, "%e", 1.0e-123);
|
||||
|
||||
RNG (12, 14, 15, "%e", d);
|
||||
RNG ( 5, 7, 8, "%.e", d);
|
||||
RNG ( 5, 7, 8, "%.0e", d);
|
||||
RNG ( 7, 9, 10, "%.1e", d);
|
||||
RNG ( 8, 10, 11, "%.2e", d);
|
||||
RNG ( 9, 11, 12, "%.3e", d);
|
||||
RNG (10, 12, 13, "%.4e", d);
|
||||
RNG (11, 13, 14, "%.5e", d);
|
||||
RNG (12, 14, 15, "%.6e", d);
|
||||
RNG (13, 15, 16, "%.7e", d);
|
||||
|
||||
RNG (4006, 4008, 4009, "%.4000e", d);
|
||||
|
||||
RNG ( 5, 7, 8, "%.*e", 0, d);
|
||||
RNG ( 7, 9, 10, "%.*e", 1, d);
|
||||
RNG ( 8, 10, 11, "%.*e", 2, d);
|
||||
RNG ( 9, 11, 12, "%.*e", 3, d);
|
||||
RNG (10, 12, 13, "%.*e", 4, d);
|
||||
RNG (11, 13, 14, "%.*e", 5, d);
|
||||
RNG (12, 14, 15, "%.*e", 6, d);
|
||||
RNG (13, 15, 16, "%.*e", 7, d);
|
||||
|
||||
RNG (4006, 4008, 4009, "%.*e", 4000, d);
|
||||
}
|
||||
|
||||
static void __attribute__ ((noinline, noclone))
|
||||
test_e_long_double (void)
|
||||
test_e_long_double (long double d)
|
||||
{
|
||||
EQL (12, 13, "%Le", 1.0e0L);
|
||||
EQL (13, 14, "%Le", -1.0e0L);
|
||||
|
|
@ -490,10 +519,32 @@ test_e_long_double (void)
|
|||
EQL ( 8, 9, "%.1Le", 1.0e-111L);
|
||||
EQL (19, 20, "%.12Le", 1.0e-112L);
|
||||
EQL (20, 21, "%.13Le", 1.0e-113L);
|
||||
|
||||
/* The following correspond to the double results plus 1 for the upper
|
||||
bound accounting for the four-digit exponent. */
|
||||
RNG (12, 15, 16, "%Le", d); /* 0.000000e+00 ... -1.189732e+4932 */
|
||||
RNG ( 5, 8, 9, "%.Le", d);
|
||||
RNG ( 5, 9, 10, "%.0Le", d);
|
||||
RNG ( 7, 10, 11, "%.1Le", d); /* 0.0e+00 ... -1.2e+4932 */
|
||||
RNG ( 8, 11, 12, "%.2Le", d); /* 0.00e+00 ... -1.19e+4932 */
|
||||
RNG ( 9, 12, 13, "%.3Le", d);
|
||||
RNG (10, 13, 14, "%.4Le", d);
|
||||
RNG (11, 14, 15, "%.5Le", d);
|
||||
RNG (12, 15, 16, "%.6Le", d); /* same as plain "%Le" */
|
||||
RNG (13, 16, 17, "%.7Le", d); /* 0.0000000e+00 ... -1.1897315e+4932 */
|
||||
|
||||
RNG ( 5, 9, 10, "%.*Le", 0, d);
|
||||
RNG ( 7, 10, 11, "%.*Le", 1, d);
|
||||
RNG ( 8, 11, 12, "%.*Le", 2, d);
|
||||
RNG ( 9, 12, 13, "%.*Le", 3, d);
|
||||
RNG (10, 13, 14, "%.*Le", 4, d);
|
||||
RNG (11, 14, 15, "%.*Le", 5, d);
|
||||
RNG (12, 15, 16, "%.*Le", 6, d);
|
||||
RNG (13, 16, 17, "%.*Le", 7, d);
|
||||
}
|
||||
|
||||
static void __attribute__ ((noinline, noclone))
|
||||
test_f_double (void)
|
||||
test_f_double (double d)
|
||||
{
|
||||
EQL ( 8, 9, "%f", 0.0e0);
|
||||
EQL ( 8, 9, "%f", 0.1e0);
|
||||
|
|
@ -511,6 +562,8 @@ test_f_double (void)
|
|||
EQL ( 8, 9, "%f", 1.0e-1);
|
||||
EQL ( 8, 9, "%f", 1.0e-12);
|
||||
EQL ( 8, 9, "%f", 1.0e-123);
|
||||
|
||||
RNG ( 8, 317, 318, "%f", d);
|
||||
}
|
||||
|
||||
static void __attribute__ ((noinline, noclone))
|
||||
|
|
@ -534,6 +587,87 @@ test_f_long_double (void)
|
|||
EQL ( 8, 9, "%Lf", 1.0e-123L);
|
||||
}
|
||||
|
||||
static void __attribute__ ((noinline, noclone))
|
||||
test_g_double (double d)
|
||||
{
|
||||
/* Numbers exactly representable in binary floating point. */
|
||||
EQL ( 1, 2, "%g", 0.0);
|
||||
EQL ( 3, 4, "%g", 1.0 / 2);
|
||||
EQL ( 4, 5, "%g", 1.0 / 4);
|
||||
EQL ( 5, 6, "%g", 1.0 / 8);
|
||||
EQL ( 6, 7, "%g", 1.0 / 16);
|
||||
EQL ( 7, 8, "%g", 1.0 / 32);
|
||||
EQL ( 8, 9, "%g", 1.0 / 64);
|
||||
EQL ( 9, 10, "%g", 1.0 / 128);
|
||||
EQL ( 10, 11, "%g", 1.0 / 256);
|
||||
EQL ( 10, 11, "%g", 1.0 / 512);
|
||||
|
||||
/* Numbers that are not exactly representable. */
|
||||
RNG ( 3, 8, 9, "%g", 0.1);
|
||||
RNG ( 4, 8, 9, "%g", 0.12);
|
||||
RNG ( 5, 8, 9, "%g", 0.123);
|
||||
RNG ( 6, 8, 9, "%g", 0.1234);
|
||||
RNG ( 7, 8, 9, "%g", 0.12345);
|
||||
RNG ( 8, 8, 9, "%g", 0.123456);
|
||||
|
||||
RNG ( 4, 7, 8, "%g", 0.123e+1);
|
||||
EQL ( 8, 9, "%g", 0.123e+12);
|
||||
RNG ( 9, 12, 13, "%g", 0.123e+134);
|
||||
|
||||
RNG ( 1, 13, 14, "%g", d);
|
||||
RNG ( 1, 7, 8, "%.g", d);
|
||||
RNG ( 1, 7, 8, "%.0g", d);
|
||||
RNG ( 1, 7, 8, "%.1g", d);
|
||||
RNG ( 1, 9, 10, "%.2g", d);
|
||||
RNG ( 1, 10, 11, "%.3g", d);
|
||||
RNG ( 1, 11, 12, "%.4g", d);
|
||||
RNG ( 1, 12, 13, "%.5g", d);
|
||||
RNG ( 1, 13, 14, "%.6g", d);
|
||||
RNG ( 1, 14, 15, "%.7g", d);
|
||||
RNG ( 1, 15, 16, "%.8g", d);
|
||||
|
||||
RNG ( 1,310,311, "%.9999g", d);
|
||||
|
||||
RNG ( 1, 7, 8, "%.*g", 0, d);
|
||||
RNG ( 1, 7, 8, "%.*g", 1, d);
|
||||
RNG ( 1, 9, 10, "%.*g", 2, d);
|
||||
RNG ( 1, 10, 11, "%.*g", 3, d);
|
||||
RNG ( 1, 11, 12, "%.*g", 4, d);
|
||||
RNG ( 1, 12, 13, "%.*g", 5, d);
|
||||
RNG ( 1, 13, 14, "%.*g", 6, d);
|
||||
RNG ( 1, 14, 15, "%.*g", 7, d);
|
||||
RNG ( 1, 15, 16, "%.*g", 8, d);
|
||||
RNG ( 1,310,311, "%.*g", 9999, d);
|
||||
}
|
||||
|
||||
static void __attribute__ ((noinline, noclone))
|
||||
test_g_long_double (void)
|
||||
{
|
||||
/* Numbers exactly representable in binary floating point. */
|
||||
EQL ( 1, 2, "%Lg", 0.0L);
|
||||
EQL ( 3, 4, "%Lg", 1.0L / 2);
|
||||
EQL ( 4, 5, "%Lg", 1.0L / 4);
|
||||
EQL ( 5, 6, "%Lg", 1.0L / 8);
|
||||
EQL ( 6, 7, "%Lg", 1.0L / 16);
|
||||
EQL ( 7, 8, "%Lg", 1.0L / 32);
|
||||
EQL ( 8, 9, "%Lg", 1.0L / 64);
|
||||
EQL ( 9, 10, "%Lg", 1.0L / 128);
|
||||
EQL ( 10, 11, "%Lg", 1.0L / 256);
|
||||
EQL ( 10, 11, "%Lg", 1.0L / 512);
|
||||
|
||||
/* Numbers that are not exactly representable. */
|
||||
RNG ( 3, 8, 9, "%Lg", 0.1L);
|
||||
RNG ( 4, 8, 9, "%Lg", 0.12L);
|
||||
RNG ( 5, 8, 9, "%Lg", 0.123L);
|
||||
RNG ( 6, 8, 9, "%Lg", 0.1234L);
|
||||
RNG ( 7, 8, 9, "%Lg", 0.12345L);
|
||||
RNG ( 8, 8, 9, "%Lg", 0.123456L);
|
||||
|
||||
RNG ( 4, 7, 8, "%Lg", 0.123e+1L);
|
||||
EQL ( 8, 9, "%Lg", 0.123e+12L);
|
||||
RNG ( 9, 12, 13, "%Lg", 0.123e+134L);
|
||||
}
|
||||
|
||||
static void __attribute__ ((noinline, noclone))
|
||||
test_s (int i)
|
||||
{
|
||||
|
|
@ -577,12 +711,14 @@ int main (void)
|
|||
test_x ('?', 0xdead, 0xdeadbeef);
|
||||
|
||||
test_a_double (0.0);
|
||||
test_e_double ();
|
||||
test_f_double ();
|
||||
test_e_double (0.0);
|
||||
test_f_double (0.0);
|
||||
test_g_double (0.0);
|
||||
|
||||
test_a_long_double ();
|
||||
test_e_long_double ();
|
||||
test_e_long_double (0.0);
|
||||
test_f_long_double ();
|
||||
test_g_long_double ();
|
||||
|
||||
test_s (0);
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue