From: Joseph Myers Date: Thu, 6 Oct 2016 22:19:38 +0000 (+0000) Subject: Add iseqsig. X-Git-Tag: glibc-2.25~434 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e7c8fcca5ace329f81785bcdfc139a4c93e9de5;p=thirdparty%2Fglibc.git Add iseqsig. TS 18661-1 adds an iseqsig type-generic comparison macro to . This macro is like the == operator except that unordered operands result in the "invalid" exception and errno being set to EDOM. This patch implements this macro for glibc. Given the need to set errno, this is implemented with out-of-line functions __iseqsigf, __iseqsig and __iseqsigl (of which the last only exists at all if long double is ABI-distinct from double, so no function aliases or compat support are needed). The present patch ignores excess precision issues; I intend to deal with those in a followup patch. (Like comparison operators, type-generic comparison macros should *not* convert operands to their semantic types but should preserve excess range and precision, meaning that for some argument types and values of FLT_EVAL_METHOD, an underlying function should be called for a wider type than that of the arguments.) The underlying functions are implemented with the type-generic template machinery. Comparing x <= y && x >= y is sufficient in ISO C to achieve an equality comparison with "invalid" raised for unordered operands (and the results of those two comparisons can also be used to tell whether errno needs to be set). However, some architectures have GCC bugs meaning that unordered comparison instructions are used instead of ordered ones. Thus, a mechanism is provided for architectures to use an explicit call to feraiseexcept to raise exceptions if required. If your architecture has such a bug you should add a fix-fp-int-compare-invalid.h header for it, with a comment pointing to the relevant GCC bug report; if such a GCC bug is fixed, that header's contents should have a __GNUC_PREREQ conditional added so that the workaround can eventually be removed for that architecture. Tested for x86_64, x86, mips64, arm and powerpc. * math/math.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (iseqsig): New macro. * math/bits/mathcalls.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (__iseqsig): New declaration. * math/s_iseqsig_template.c: New file. * math/Versions (__iseqsigf): New libm symbol at version GLIBC_2.25. (__iseqsig): Likewise. (__iseqsigl): Likewise. * math/libm-test.inc (iseqsig_test_data): New array. (iseqsig_test): New function. (main): Call iseqsig_test. * math/Makefile (gen-libm-calls): Add s_iseqsigF. * manual/arith.texi (FP Comparison Functions): Document iseqsig. * manual/libm-err-tab.pl: Update comment on interfaces without ulps tabulated. * sysdeps/generic/fix-fp-int-compare-invalid.h: New file. * sysdeps/powerpc/fpu/fix-fp-int-compare-invalid.h: Likewise. * sysdeps/x86/fpu/fix-fp-int-compare-invalid.h: Likewise. * sysdeps/nacl/libm.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. --- diff --git a/ChangeLog b/ChangeLog index d221a037ceb..437667385af 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,58 @@ +2016-10-06 Joseph Myers + + * math/math.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (iseqsig): New + macro. + * math/bits/mathcalls.h [__GLIBC_USE (IEC_60559_BFP_EXT)] + (__iseqsig): New declaration. + * math/s_iseqsig_template.c: New file. + * math/Versions (__iseqsigf): New libm symbol at version + GLIBC_2.25. + (__iseqsig): Likewise. + (__iseqsigl): Likewise. + * math/libm-test.inc (iseqsig_test_data): New array. + (iseqsig_test): New function. + (main): Call iseqsig_test. + * math/Makefile (gen-libm-calls): Add s_iseqsigF. + * manual/arith.texi (FP Comparison Functions): Document iseqsig. + * manual/libm-err-tab.pl: Update comment on interfaces without + ulps tabulated. + * sysdeps/generic/fix-fp-int-compare-invalid.h: New file. + * sysdeps/powerpc/fpu/fix-fp-int-compare-invalid.h: Likewise. + * sysdeps/x86/fpu/fix-fp-int-compare-invalid.h: Likewise. + * sysdeps/nacl/libm.abilist: Update. + * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: + Likewise. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: + Likewise. + * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: + Likewise. + * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: + Likewise. + * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist: + Likewise. + * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist: + Likewise. + * sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. + * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. + 2016-10-06 Siddhesh Poyarekar * sysdeps/ieee754/dbl-64/s_sin.c (reduce_and_compute, do_sincos_1, diff --git a/NEWS b/NEWS index 0b2ca04d8ff..b5894afce34 100644 --- a/NEWS +++ b/NEWS @@ -51,6 +51,8 @@ Version 2.25 * New features are added from TS 18661-1:2014: + - Comparison macros: iseqsig. + - Classification macros: iscanonical, issubnormal, iszero. * The header now includes the header. Support diff --git a/manual/arith.texi b/manual/arith.texi index 6ecde21b7c9..5fb18f35613 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -1873,7 +1873,8 @@ undesirable. @w{ISO C99} therefore defines comparison functions that do not raise exceptions when NaN is examined. All of the functions are implemented as macros which allow their arguments to be of any floating-point type. The macros are guaranteed to evaluate their -arguments only once. +arguments only once. TS 18661-1:2014 adds such a macro for an +equality comparison that @emph{does} raise an exception for a NaN argument. @comment math.h @comment ISO @@ -1932,6 +1933,16 @@ This macro determines whether its arguments are unordered. In other words, it is true if @var{x} or @var{y} are NaN, and false otherwise. @end deftypefn +@comment math.h +@comment ISO +@deftypefn Macro int iseqsig (@emph{real-floating} @var{x}, @emph{real-floating} @var{y}) +@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}} +This macro determines whether its arguments are equal. It is +equivalent to @code{(@var{x}) == (@var{y})}, but it raises the invalid +exception and sets @code{errno} to @code{EDOM} is either argument is a +NaN. +@end deftypefn + Not all machines provide hardware support for these operations. On machines that don't, the macros can be very slow. Therefore, you should not use these functions when NaN is not a concern. diff --git a/manual/libm-err-tab.pl b/manual/libm-err-tab.pl index b36ef94325e..451547871b9 100755 --- a/manual/libm-err-tab.pl +++ b/manual/libm-err-tab.pl @@ -78,7 +78,7 @@ use vars qw (%results @all_floats %suffices @all_functions); "scalbn", "sin", "sincos", "sinh", "sqrt", "tan", "tanh", "tgamma", "trunc", "y0", "y1", "yn" ); # fpclassify, iscanonical, isnormal, isfinite, isinf, isnan, issignaling, -# issubnormal, iszero, signbit, isgreater, isgreaterequal, isless, +# issubnormal, iszero, signbit, iseqsig, isgreater, isgreaterequal, isless, # islessequal, islessgreater, isunordered are not tabulated. if ($#ARGV == 0) { diff --git a/math/Makefile b/math/Makefile index d2b4fd1153d..a9f06080f48 100644 --- a/math/Makefile +++ b/math/Makefile @@ -51,7 +51,7 @@ gen-libm-calls = cargF conjF cimagF crealF cabsF s_cacosF \ k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \ s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF \ s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF \ - s_nanF + s_nanF s_iseqsigF libm-calls = \ e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \ diff --git a/math/Versions b/math/Versions index f702051451c..e658a1037ca 100644 --- a/math/Versions +++ b/math/Versions @@ -216,6 +216,6 @@ libm { } GLIBC_2.25 { fesetexcept; fetestexceptflag; fegetmode; fesetmode; - __iscanonicall; + __iscanonicall; __iseqsigf; __iseqsig; __iseqsigl; } } diff --git a/math/bits/mathcalls.h b/math/bits/mathcalls.h index 951a3d00904..4fc18659f8c 100644 --- a/math/bits/mathcalls.h +++ b/math/bits/mathcalls.h @@ -380,6 +380,9 @@ __END_NAMESPACE_C99 #endif #if __GLIBC_USE (IEC_60559_BFP_EXT) +/* Test equality. */ +__MATHDECL_1 (int, __iseqsig,, (_Mdouble_ __x, _Mdouble_ __y)); + /* Test for signaling NaN. */ __MATHDECL_1 (int, __issignaling,, (_Mdouble_ __value)) __attribute__ ((__const__)); diff --git a/math/libm-test.inc b/math/libm-test.inc index cbc7226aea3..4573482f653 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -47,7 +47,7 @@ fabs, fdim, finite, floor, fma, fmax, fmin, fmod, fpclassify, frexp, gamma, hypot, ilogb, iscanonical, isfinite, isinf, isnan, isnormal, issignaling, - issubnormal, iszero, isless, islessequal, isgreater, + issubnormal, iszero, iseqsig, isless, islessequal, isgreater, isgreaterequal, islessgreater, isunordered, j0, j1, jn, ldexp, lgamma, log, log10, log1p, log2, logb, modf, nearbyint, nextafter, nexttoward, @@ -8185,6 +8185,64 @@ iscanonical_test (void) ALL_RM_TEST (iscanonical, 1, iscanonical_test_data, RUN_TEST_LOOP_f_b_tg, END); } +static const struct test_ff_i_data iseqsig_test_data[] = + { + TEST_ff_i (iseqsig, minus_zero, minus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_i (iseqsig, minus_zero, plus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_i (iseqsig, minus_zero, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_i (iseqsig, minus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, minus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, minus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, minus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, plus_zero, minus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_i (iseqsig, plus_zero, plus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_i (iseqsig, plus_zero, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_i (iseqsig, plus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, plus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, plus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, plus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, (FLOAT) 1, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_i (iseqsig, (FLOAT) 1, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_i (iseqsig, (FLOAT) 1, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), + TEST_ff_i (iseqsig, (FLOAT) 1, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, (FLOAT) 1, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, (FLOAT) 1, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, (FLOAT) 1, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + TEST_ff_i (iseqsig, -snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION|ERRNO_EDOM), + }; + +static void +iseqsig_test (void) +{ + ALL_RM_TEST (iseqsig, 1, iseqsig_test_data, RUN_TEST_LOOP_ff_i_tg, END); +} static const struct test_f_i_data isfinite_test_data[] = { TEST_f_b (isfinite, 0, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), @@ -12834,6 +12892,7 @@ main (int argc, char **argv) fma_test (); /* Comparison macros: */ + iseqsig_test (); isgreater_test (); isgreaterequal_test (); isless_test (); diff --git a/math/math.h b/math/math.h index 8cd641688d6..394cefae020 100644 --- a/math/math.h +++ b/math/math.h @@ -531,6 +531,24 @@ extern int matherr (struct exception *__exc); #endif +#if __GLIBC_USE (IEC_60559_BFP_EXT) +/* Return X == Y but raising "invalid" and setting errno if X or Y is + a NaN. */ +# ifdef __NO_LONG_DOUBLE_MATH +# define iseqsig(x, y) \ + (sizeof ((x) + (y)) == sizeof (float) \ + ? __iseqsigf ((x), (y)) \ + : __iseqsig ((x), (y))) +# else +# define iseqsig(x, y) \ + (sizeof ((x) + (y)) == sizeof (float) \ + ? __iseqsigf ((x), (y)) \ + : sizeof ((x) + (y)) == sizeof (double) \ + ? __iseqsig ((x), (y)) \ + : __iseqsigl ((x), (y))) +# endif +#endif + __END_DECLS diff --git a/math/s_iseqsig_template.c b/math/s_iseqsig_template.c new file mode 100644 index 00000000000..ebdae6493c8 --- /dev/null +++ b/math/s_iseqsig_template.c @@ -0,0 +1,42 @@ +/* Test whether X == Y. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include +#include +#include +#include + +int +M_DECL_FUNC (__iseqsig) (FLOAT x, FLOAT y) +{ + /* Comparing <= and >= is sufficient to determine both whether X and + Y are equal, and whether they are unordered, while raising the + "invalid" exception if they are unordered. */ + bool cmp1 = x <= y; + bool cmp2 = x >= y; + if (cmp1 && cmp2) + return 1; + else if (!cmp1 && !cmp2) + { + if (FIX_COMPARE_INVALID) + feraiseexcept (FE_INVALID); + __set_errno (EDOM); + } + return 0; +} diff --git a/sysdeps/generic/fix-fp-int-compare-invalid.h b/sysdeps/generic/fix-fp-int-compare-invalid.h new file mode 100644 index 00000000000..42e3d1241b8 --- /dev/null +++ b/sysdeps/generic/fix-fp-int-compare-invalid.h @@ -0,0 +1,27 @@ +/* Fix for missing "invalid" exceptions from floating-point + comparisons. Generic version. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef FIX_FP_INT_COMPARE_INVALID_H +#define FIX_FP_INT_COMPARE_INVALID_H 1 + +/* Define this macro to 1 to work around ordered comparison operators + in C failing to raise the "invalid" exception for NaN operands. */ +#define FIX_COMPARE_INVALID 0 + +#endif /* fix-fp-int-compare-invalid.h */ diff --git a/sysdeps/nacl/libm.abilist b/sysdeps/nacl/libm.abilist index 85ee684a1a5..cdc65c3069a 100644 --- a/sysdeps/nacl/libm.abilist +++ b/sysdeps/nacl/libm.abilist @@ -380,6 +380,8 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/powerpc/fpu/fix-fp-int-compare-invalid.h b/sysdeps/powerpc/fpu/fix-fp-int-compare-invalid.h new file mode 100644 index 00000000000..cb2a272d724 --- /dev/null +++ b/sysdeps/powerpc/fpu/fix-fp-int-compare-invalid.h @@ -0,0 +1,28 @@ +/* Fix for missing "invalid" exceptions from floating-point + comparisons. PowerPC version. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef FIX_FP_INT_COMPARE_INVALID_H +#define FIX_FP_INT_COMPARE_INVALID_H 1 + +/* As of GCC 5, comparisons use unordered comparison instructions when + they should use ordered comparisons + . */ +#define FIX_COMPARE_INVALID 1 + +#endif /* fix-fp-int-compare-invalid.h */ diff --git a/sysdeps/unix/sysv/linux/aarch64/libm.abilist b/sysdeps/unix/sysv/linux/aarch64/libm.abilist index aee63a105cf..1ec00012c8a 100644 --- a/sysdeps/unix/sysv/linux/aarch64/libm.abilist +++ b/sysdeps/unix/sysv/linux/aarch64/libm.abilist @@ -411,6 +411,9 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/alpha/libm.abilist b/sysdeps/unix/sysv/linux/alpha/libm.abilist index 339b896ac70..1edbb96e87c 100644 --- a/sysdeps/unix/sysv/linux/alpha/libm.abilist +++ b/sysdeps/unix/sysv/linux/alpha/libm.abilist @@ -421,6 +421,9 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/arm/libm.abilist b/sysdeps/unix/sysv/linux/arm/libm.abilist index f7b824413b0..26d9cc674be 100644 --- a/sysdeps/unix/sysv/linux/arm/libm.abilist +++ b/sysdeps/unix/sysv/linux/arm/libm.abilist @@ -69,6 +69,8 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/hppa/libm.abilist b/sysdeps/unix/sysv/linux/hppa/libm.abilist index 576b514a539..a191cd8e0b1 100644 --- a/sysdeps/unix/sysv/linux/hppa/libm.abilist +++ b/sysdeps/unix/sysv/linux/hppa/libm.abilist @@ -381,6 +381,8 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/i386/libm.abilist b/sysdeps/unix/sysv/linux/i386/libm.abilist index 19e9792931d..0a0383f0164 100644 --- a/sysdeps/unix/sysv/linux/i386/libm.abilist +++ b/sysdeps/unix/sysv/linux/i386/libm.abilist @@ -424,6 +424,9 @@ GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 __iscanonicall F +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/ia64/libm.abilist b/sysdeps/unix/sysv/linux/ia64/libm.abilist index 1a32e2c07d7..017b0f9f7a9 100644 --- a/sysdeps/unix/sysv/linux/ia64/libm.abilist +++ b/sysdeps/unix/sysv/linux/ia64/libm.abilist @@ -353,6 +353,9 @@ GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 __iscanonicall F +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist index f7b824413b0..26d9cc674be 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist @@ -69,6 +69,8 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist index 2a8cba458ec..945d51e325a 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist @@ -422,6 +422,9 @@ GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 __iscanonicall F +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/microblaze/libm.abilist b/sysdeps/unix/sysv/linux/microblaze/libm.abilist index c59437fe736..deb4189844a 100644 --- a/sysdeps/unix/sysv/linux/microblaze/libm.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/libm.abilist @@ -380,6 +380,8 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist index 31d6f9eb705..ceb12918e99 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist @@ -382,6 +382,8 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist index 83e031125b0..003fe7b5679 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist @@ -413,6 +413,9 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/nios2/libm.abilist b/sysdeps/unix/sysv/linux/nios2/libm.abilist index 151574d6708..d57c3ebc1cf 100644 --- a/sysdeps/unix/sysv/linux/nios2/libm.abilist +++ b/sysdeps/unix/sysv/linux/nios2/libm.abilist @@ -380,6 +380,8 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist index 155daf5ecd1..b22ec567403 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist @@ -424,6 +424,9 @@ GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 __fe_dfl_mode D 0x8 GLIBC_2.25 __iscanonicall F +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist index 7b386324754..777a39d0e15 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist @@ -423,6 +423,9 @@ GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 __fe_dfl_mode D 0x8 GLIBC_2.25 __iscanonicall F +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist index 26c8d413302..1b900c7144d 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist @@ -418,6 +418,9 @@ GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 __fe_dfl_mode D 0x8 GLIBC_2.25 __iscanonicall F +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist index 0e76e88f7b9..0a8600e29de 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist @@ -99,6 +99,9 @@ GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 __fe_dfl_mode D 0x8 GLIBC_2.25 __iscanonicall F +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist index 377cea952a3..d7fff5327fa 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist @@ -411,6 +411,9 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist index dafbff15a6f..4d682e604f1 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist @@ -409,6 +409,9 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/sh/libm.abilist b/sysdeps/unix/sysv/linux/sh/libm.abilist index a38baceb8ff..0092b62a240 100644 --- a/sysdeps/unix/sysv/linux/sh/libm.abilist +++ b/sysdeps/unix/sysv/linux/sh/libm.abilist @@ -381,6 +381,8 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist index 27166beb559..4ad593cbae3 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist @@ -414,6 +414,9 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist index 46f79734653..90a2bd57edf 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist @@ -412,6 +412,9 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist index ec6f0b36003..5d502c0bc8a 100644 --- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist @@ -381,6 +381,8 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist index ec6f0b36003..5d502c0bc8a 100644 --- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist @@ -381,6 +381,8 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist index ec6f0b36003..5d502c0bc8a 100644 --- a/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist @@ -381,6 +381,8 @@ GLIBC_2.24 nextup F GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist index 19653166479..3364b0271d2 100644 --- a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist @@ -413,6 +413,9 @@ GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 __iscanonicall F +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist index 82207c9d703..6a3a3ce0ca3 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist @@ -412,6 +412,9 @@ GLIBC_2.24 nextupf F GLIBC_2.24 nextupl F GLIBC_2.25 GLIBC_2.25 A GLIBC_2.25 __iscanonicall F +GLIBC_2.25 __iseqsig F +GLIBC_2.25 __iseqsigf F +GLIBC_2.25 __iseqsigl F GLIBC_2.25 fegetmode F GLIBC_2.25 fesetexcept F GLIBC_2.25 fesetmode F diff --git a/sysdeps/x86/fpu/fix-fp-int-compare-invalid.h b/sysdeps/x86/fpu/fix-fp-int-compare-invalid.h new file mode 100644 index 00000000000..60522803713 --- /dev/null +++ b/sysdeps/x86/fpu/fix-fp-int-compare-invalid.h @@ -0,0 +1,28 @@ +/* Fix for missing "invalid" exceptions from floating-point + comparisons. x86 version. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef FIX_FP_INT_COMPARE_INVALID_H +#define FIX_FP_INT_COMPARE_INVALID_H 1 + +/* As of GCC 5, both x87 and SSE comparisons use unordered comparison + instructions when they should use ordered comparisons + . */ +#define FIX_COMPARE_INVALID 1 + +#endif /* fix-fp-int-compare-invalid.h */