diff options
Diffstat (limited to 'sysdeps/aarch64/soft-fp')
| -rw-r--r-- | sysdeps/aarch64/soft-fp/Makefile | 3 | ||||
| -rw-r--r-- | sysdeps/aarch64/soft-fp/e_sqrtl.c | 39 | ||||
| -rw-r--r-- | sysdeps/aarch64/soft-fp/sfp-machine.h | 120 |
3 files changed, 0 insertions, 162 deletions
diff --git a/sysdeps/aarch64/soft-fp/Makefile b/sysdeps/aarch64/soft-fp/Makefile deleted file mode 100644 index ada13e8b70..0000000000 --- a/sysdeps/aarch64/soft-fp/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -ifeq ($(subdir),math) -CPPFLAGS += -I../soft-fp -endif diff --git a/sysdeps/aarch64/soft-fp/e_sqrtl.c b/sysdeps/aarch64/soft-fp/e_sqrtl.c deleted file mode 100644 index e80a5b0d5b..0000000000 --- a/sysdeps/aarch64/soft-fp/e_sqrtl.c +++ /dev/null @@ -1,39 +0,0 @@ -/* long double square root in software floating-point emulation. - Copyright (C) 1997-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson (rth@cygnus.com) and - Jakub Jelinek (jj@ultra.linux.cz). - - 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/>. */ - -#include <stdlib.h> -#include <soft-fp.h> -#include <quad.h> - -long double -__ieee754_sqrtl (const long double a) -{ - FP_DECL_EX; - FP_DECL_Q(A); FP_DECL_Q(C); - long double c; - - FP_INIT_ROUNDMODE; - FP_UNPACK_Q(A, a); - FP_SQRT_Q(C, A); - FP_PACK_Q(c, C); - FP_HANDLE_EXCEPTIONS; - return c; -} -strong_alias (__ieee754_sqrtl, __sqrtl_finite) diff --git a/sysdeps/aarch64/soft-fp/sfp-machine.h b/sysdeps/aarch64/soft-fp/sfp-machine.h deleted file mode 100644 index 3e969952fa..0000000000 --- a/sysdeps/aarch64/soft-fp/sfp-machine.h +++ /dev/null @@ -1,120 +0,0 @@ -#include <fenv.h> -#include <fpu_control.h> - -#define _FP_W_TYPE_SIZE 64 -#define _FP_W_TYPE unsigned long long -#define _FP_WS_TYPE signed long long -#define _FP_I_TYPE long long - -#define _FP_MUL_MEAT_S(R,X,Y) \ - _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y) -#define _FP_MUL_MEAT_D(R,X,Y) \ - _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) -#define _FP_MUL_MEAT_Q(R,X,Y) \ - _FP_MUL_MEAT_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) - -#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm) -#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(D,R,X,Y) -#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y) - -#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) -#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1) -#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 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 - -/* From my experiments it seems X is chosen unless one of the - NaNs is sNaN, in which case the result is NANSIGN/NANFRAC. */ -#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ - do { \ - if ((_FP_FRAC_HIGH_RAW_##fs(X) | \ - _FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs) \ - { \ - R##_s = _FP_NANSIGN_##fs; \ - _FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs); \ - } \ - else \ - { \ - R##_s = X##_s; \ - _FP_FRAC_COPY_##wc(R,X); \ - } \ - R##_c = FP_CLS_NAN; \ - } while (0) - -#define _FP_DECL_EX fpu_control_t _fcw - -#define FP_ROUNDMODE (_fcw & _FPU_FPCR_RM_MASK) - -#define FP_RND_NEAREST FE_TONEAREST -#define FP_RND_ZERO FE_TOWARDZERO -#define FP_RND_PINF FE_UPWARD -#define FP_RND_MINF FE_DOWNWARD - -#define FP_EX_INVALID FE_INVALID -#define FP_EX_OVERFLOW FE_OVERFLOW -#define FP_EX_UNDERFLOW FE_UNDERFLOW -#define FP_EX_DIVZERO FE_DIVBYZERO -#define FP_EX_INEXACT FE_INEXACT - -#define _FP_TININESS_AFTER_ROUNDING 0 - -#define FP_INIT_ROUNDMODE \ -do { \ - _FPU_GETCW (_fcw); \ -} while (0) - -#define FP_HANDLE_EXCEPTIONS \ - do { \ - const float fp_max = __FLT_MAX__; \ - const float fp_min = __FLT_MIN__; \ - const float fp_1e32 = 1.0e32f; \ - const float fp_zero = 0.0; \ - const float fp_one = 1.0; \ - unsigned fpsr; \ - if (_fex & FP_EX_INVALID) \ - { \ - __asm__ __volatile__ ("fdiv\ts0, %s0, %s0" \ - : \ - : "w" (fp_zero) \ - : "s0"); \ - __asm__ __volatile__ ("mrs\t%0, fpsr" : "=r" (fpsr)); \ - } \ - if (_fex & FP_EX_DIVZERO) \ - { \ - __asm__ __volatile__ ("fdiv\ts0, %s0, %s1" \ - : \ - : "w" (fp_one), "w" (fp_zero) \ - : "s0"); \ - __asm__ __volatile__ ("mrs\t%0, fpsr" : "=r" (fpsr)); \ - } \ - if (_fex & FP_EX_OVERFLOW) \ - { \ - __asm__ __volatile__ ("fadd\ts0, %s0, %s1" \ - : \ - : "w" (fp_max), "w" (fp_1e32) \ - : "s0"); \ - __asm__ __volatile__ ("mrs\t%0, fpsr" : "=r" (fpsr)); \ - } \ - if (_fex & FP_EX_UNDERFLOW) \ - { \ - __asm__ __volatile__ ("fmul\ts0, %s0, %s0" \ - : \ - : "w" (fp_min) \ - : "s0"); \ - __asm__ __volatile__ ("mrs\t%0, fpsr" : "=r" (fpsr)); \ - } \ - if (_fex & FP_EX_INEXACT) \ - { \ - __asm__ __volatile__ ("fsub\ts0, %s0, %s1" \ - : \ - : "w" (fp_max), "w" (fp_one) \ - : "s0"); \ - __asm__ __volatile__ ("mrs\t%0, fpsr" : "=r" (fpsr)); \ - } \ - } while (0) - -#define FP_TRAPPING_EXCEPTIONS ((_fcw >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT) |