Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx> --- ChangeLog | 6 +++ sysdeps/arc/bits/fenv.h | 92 ++++++++++++++++++++++++++++++++ sysdeps/arc/math_private.h | 6 +++ sysdeps/arc/nofpu/Implies | 1 + sysdeps/arc/nofpu/math-tests-exception.h | 27 ++++++++++ sysdeps/arc/nofpu/math-tests-rounding.h | 27 ++++++++++ sysdeps/arc/sfp-machine.h | 51 ++++++++++++++++++ 7 files changed, 210 insertions(+) create mode 100644 sysdeps/arc/bits/fenv.h create mode 100644 sysdeps/arc/math_private.h create mode 100644 sysdeps/arc/nofpu/Implies create mode 100644 sysdeps/arc/nofpu/math-tests-exception.h create mode 100644 sysdeps/arc/nofpu/math-tests-rounding.h create mode 100644 sysdeps/arc/sfp-machine.h diff --git a/ChangeLog b/ChangeLog index d2f6cd2d0d09..b946f57204b6 100644 --- a/ChangeLog +++ b/ChangeLog @@ -38,6 +38,12 @@ * sysdeps/arc/atomic-machine.h: New file. * sysdeps/arc/nptl/bits/pthreadtypes-arch.h: New file. * sysdeps/arc/nptl/bits/semaphore.h: New file. + * sysdeps/arc/bits/fenv.h: New file. + * sysdeps/arc/math_private.h: New file. + * sysdeps/arc/nofpu/Implies: New file. + * sysdeps/arc/nofpu/math-tests-exception.h: New file. + * sysdeps/arc/nofpu/math-tests-rounding.h: New file. + * sysdeps/arc/sfp-machine.h: New file. 2018-12-17 Joseph Myers <joseph@xxxxxxxxxxxxxxxx> diff --git a/sysdeps/arc/bits/fenv.h b/sysdeps/arc/bits/fenv.h new file mode 100644 index 000000000000..4053f57d1094 --- /dev/null +++ b/sysdeps/arc/bits/fenv.h @@ -0,0 +1,92 @@ +/* Copyright (C) 2012-2018 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 + <http://www.gnu.org/licenses/>. */ + +#ifndef _FENV_H +# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." +#endif + +#if defined(__ARC_FPU_SP__) || defined(__ARC_FPU_DP__) + +enum + { + FE_INVALID = +#define FE_INVALID (0x01) + FE_INVALID, + FE_DIVBYZERO = +#define FE_DIVBYZERO (0x02) + FE_DIVBYZERO, + FE_OVERFLOW = +#define FE_OVERFLOW (0x04) + FE_OVERFLOW, + FE_UNDERFLOW = +#define FE_UNDERFLOW (0x08) + FE_UNDERFLOW, + FE_INEXACT = +#define FE_INEXACT (0x10) + FE_INEXACT + }; + +#define FE_ALL_EXCEPT \ + (FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW | FE_INEXACT) + +enum + { + FE_TOWARDZERO = +#define FE_TOWARDZERO (0x0) + FE_TOWARDZERO, + FE_TONEAREST = +#define FE_TONEAREST (0x1) + FE_TONEAREST, + FE_UPWARD = +#define FE_UPWARD (0x2) + FE_UPWARD, + FE_DOWNWARD = +#define FE_DOWNWARD (0x3) + FE_DOWNWARD + }; + +#else + +/* In the soft-float case, only rounding to nearest is supported, with + no exceptions. */ + +enum + { + __FE_UNDEFINED = -1, + + FE_TONEAREST = +# define FE_TONEAREST 0x0 + FE_TONEAREST + }; + +# define FE_ALL_EXCEPT 0 + +#endif + +typedef unsigned int fexcept_t; +typedef unsigned int fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((const fenv_t *) -1) + +#if __GLIBC_USE (IEC_60559_BFP_EXT) +/* Type representing floating-point control modes. */ +typedef unsigned int femode_t; + +/* Default floating-point control modes. */ +# define FE_DFL_MODE ((const femode_t *) -1L) +#endif diff --git a/sysdeps/arc/math_private.h b/sysdeps/arc/math_private.h new file mode 100644 index 000000000000..35046d842533 --- /dev/null +++ b/sysdeps/arc/math_private.h @@ -0,0 +1,6 @@ +#ifndef ARC_MATH_PRIVATE_H +#define ARC_MATH_PRIVATE_H + +#include_next <math_private.h> + +#endif diff --git a/sysdeps/arc/nofpu/Implies b/sysdeps/arc/nofpu/Implies new file mode 100644 index 000000000000..abcbadb25f22 --- /dev/null +++ b/sysdeps/arc/nofpu/Implies @@ -0,0 +1 @@ +ieee754/soft-fp diff --git a/sysdeps/arc/nofpu/math-tests-exception.h b/sysdeps/arc/nofpu/math-tests-exception.h new file mode 100644 index 000000000000..bb338388d8af --- /dev/null +++ b/sysdeps/arc/nofpu/math-tests-exception.h @@ -0,0 +1,27 @@ +/* Configuration for math tests. exceptions support ARC version. + Copyright (C) 2017-2018 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 + <http://www.gnu.org/licenses/>. */ + +#ifndef ARC_NOFPU_MATH_TESTS_EXCEPTIONS_H +#define ARC_NOFPU_MATH_TESTS_EXCEPTIONS_H 1 + +/* soft-float doesnot support exceptions */ +#define EXCEPTION_TESTS_float 0 +#define EXCEPTION_TESTS_double 0 +#define EXCEPTION_TESTS_long_double 0 + +#endif diff --git a/sysdeps/arc/nofpu/math-tests-rounding.h b/sysdeps/arc/nofpu/math-tests-rounding.h new file mode 100644 index 000000000000..e371e647db13 --- /dev/null +++ b/sysdeps/arc/nofpu/math-tests-rounding.h @@ -0,0 +1,27 @@ +/* Configuration for math tests: rounding mode support. ARC version. + Copyright (C) 2017-2018 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 + <http://www.gnu.org/licenses/>. */ + +#ifndef ARC_NOFPU_MATH_TESTS_ROUNDING_H +#define ARC_NOFPU_MATH_TESTS_ROUNDING_H 1 + +/* soft-float only supports to-nearest rounding mode */ +#define ROUNDING_TESTS_float(MODE) ((MODE) == FE_TONEAREST) +#define ROUNDING_TESTS_double(MODE) ((MODE) == FE_TONEAREST) +#define ROUNDING_TESTS_long_double(MODE) ((MODE) == FE_TONEAREST) + +#endif diff --git a/sysdeps/arc/sfp-machine.h b/sysdeps/arc/sfp-machine.h new file mode 100644 index 000000000000..95eefc187430 --- /dev/null +++ b/sysdeps/arc/sfp-machine.h @@ -0,0 +1,51 @@ +#define _FP_W_TYPE_SIZE 32 +#define _FP_W_TYPE unsigned long +#define _FP_WS_TYPE signed long +#define _FP_I_TYPE long + +#define _FP_MUL_MEAT_S(R,X,Y) \ + _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_D(R,X,Y) \ + _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_Q(R,X,Y) \ + _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_MUL_MEAT_DW_S(R,X,Y) \ + _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_DW_D(R,X,Y) \ + _FP_MUL_MEAT_DW_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_DW_Q(R,X,Y) \ + _FP_MUL_MEAT_DW_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) +#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) +#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) + +#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) +#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 +#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 +#define _FP_NANSIGN_S 0 +#define _FP_NANSIGN_D 0 +#define _FP_NANSIGN_Q 0 + +#define _FP_KEEPNANFRACP 1 +#define _FP_QNANNEGATEDP 0 + +/* This is arbitrarily taken from the PowerPC version. */ +#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ + do { \ + if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ + && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ + { \ + R##_s = Y##_s; \ + _FP_FRAC_COPY_##wc(R,Y); \ + } \ + else \ + { \ + R##_s = X##_s; \ + _FP_FRAC_COPY_##wc(R,X); \ + } \ + R##_c = FP_CLS_NAN; \ + } while (0) + +#define _FP_TININESS_AFTER_ROUNDING 0 -- 2.7.4 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-snps-arc
