diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/soft-fp/sfp-machine.h')
| -rw-r--r-- | sysdeps/sparc/sparc64/soft-fp/sfp-machine.h | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/sysdeps/sparc/sparc64/soft-fp/sfp-machine.h b/sysdeps/sparc/sparc64/soft-fp/sfp-machine.h deleted file mode 100644 index c03a6d3764..0000000000 --- a/sysdeps/sparc/sparc64/soft-fp/sfp-machine.h +++ /dev/null @@ -1,147 +0,0 @@ -/* Machine-dependent software floating-point definitions. - Sparc64 userland (_Q_* and _Qp_*) version. - Copyright (C) 1997-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson (rth@cygnus.com), - Jakub Jelinek (jj@ultra.linux.cz) and - David S. Miller (davem@redhat.com). - - 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 <fpu_control.h> -#include <fenv.h> -#include <stdlib.h> - -#define _FP_W_TYPE_SIZE 64 -#define _FP_W_TYPE unsigned long -#define _FP_WS_TYPE signed long -#define _FP_I_TYPE long - -/* Helper macros for _FP_MUL_MEAT_2_120_240_double. */ -#define _FP_MUL_MEAT_SET_FE_TZ \ -do { \ - static fpu_control_t _fetz = _FPU_RC_DOWN; \ - _FPU_SETCW(_fetz); \ -} while (0) -#ifndef _FP_MUL_MEAT_RESET_FE -#define _FP_MUL_MEAT_RESET_FE _FPU_SETCW(_fcw) -#endif - -#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_120_240_double(_FP_WFRACBITS_Q,R,X,Y, \ - _FP_MUL_MEAT_SET_FE_TZ, \ - _FP_MUL_MEAT_RESET_FE) - -#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 - -/* If one NaN is signaling and the other is not, - * we choose that one, otherwise we choose Y. - */ -#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ - do { \ - if ((_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs) \ - && !(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \ - { \ - R##_s = X##_s; \ - _FP_FRAC_COPY_##wc(R,X); \ - } \ - else \ - { \ - R##_s = Y##_s; \ - _FP_FRAC_COPY_##wc(R,Y); \ - } \ - R##_c = FP_CLS_NAN; \ - } while (0) - -/* Obtain the current rounding mode. */ -#ifndef FP_ROUNDMODE -#define FP_ROUNDMODE ((_fcw >> 30) & 0x3) -#endif - -/* Exception flags. */ -#define FP_EX_INVALID (1 << 4) -#define FP_EX_OVERFLOW (1 << 3) -#define FP_EX_UNDERFLOW (1 << 2) -#define FP_EX_DIVZERO (1 << 1) -#define FP_EX_INEXACT (1 << 0) - -#define _FP_TININESS_AFTER_ROUNDING 0 - -#define _FP_DECL_EX \ - fpu_control_t _fcw __attribute__ ((unused)) = (FP_RND_NEAREST << 30) - -#define FP_INIT_ROUNDMODE \ -do { \ - _FPU_GETCW(_fcw); \ -} while (0) - -#define FP_TRAPPING_EXCEPTIONS ((_fcw >> 23) & 0x1f) -#define FP_INHIBIT_RESULTS ((_fcw >> 23) & _fex) - -/* Simulate exceptions using double arithmetics. */ -extern void __Qp_handle_exceptions(int exc); - -#define FP_HANDLE_EXCEPTIONS \ -do { \ - if (!_fex) \ - { \ - /* This is the common case, so we do it inline. \ - * We need to clear cexc bits if any. \ - */ \ - __asm__ __volatile__("fzero %%f62\n\t" \ - "faddd %%f62, %%f62, %%f62" \ - : : : "f62"); \ - } \ - else \ - { \ - __Qp_handle_exceptions (_fex); \ - } \ -} while (0) - -#define QP_HANDLE_EXCEPTIONS(_a) \ -do { \ - if ((_fcw >> 23) & _fex) \ - { \ - _a; \ - } \ - else \ - { \ - _fcw = (_fcw & ~0x1fL) | (_fex << 5) | _fex; \ - _FPU_SETCW(_fcw); \ - } \ -} while (0) - -#define QP_NO_EXCEPTIONS \ - __asm ("fzero %%f62\n\t" \ - "faddd %%f62, %%f62, %%f62" : : : "f62") - -#define QP_CLOBBER "memory", "f52", "f54", "f56", "f58", "f60", "f62" -#define QP_CLOBBER_CC QP_CLOBBER , "cc" |