123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155 |
- /* softfp machine description for PA-RISC.
- Copyright (C) 2009-2022 Free Software Foundation, Inc.
- This file is part of GCC.
- GCC is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 3, or (at your option) any later
- version.
- GCC 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 General Public License
- for more details.
- Under Section 7 of GPL version 3, you are granted additional
- permissions described in the GCC Runtime Library Exception, version
- 3.1, as published by the Free Software Foundation.
- You should have received a copy of the GNU General Public License and
- a copy of the GCC Runtime Library Exception along with this program;
- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
- <http://www.gnu.org/licenses/>. */
- #ifdef __LP64__
- #define _FP_W_TYPE_SIZE 64
- #define _FP_W_TYPE unsigned long
- #define _FP_WS_TYPE signed long
- #define _FP_I_TYPE long
- typedef int TItype __attribute__ ((mode (TI)));
- typedef unsigned int UTItype __attribute__ ((mode (TI)));
- #define TI_BITS (__CHAR_BIT__ * (int) sizeof (TItype))
- #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_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
- #define _FP_MUL_MEAT_Q(R,X,Y) \
- _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
- #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(S,R,X,Y)
- #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)
- #define _FP_NANFRAC_D (_FP_QNANBIT_D - 1)
- #define _FP_NANFRAC_Q (_FP_QNANBIT_Q - 1), -1
- #else
- #define _FP_W_TYPE_SIZE 32
- #define _FP_W_TYPE unsigned int
- #define _FP_WS_TYPE signed int
- #define _FP_I_TYPE int
- #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_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(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)
- #define _FP_NANFRAC_D (_FP_QNANBIT_D - 1), -1
- #define _FP_NANFRAC_Q (_FP_QNANBIT_Q - 1), -1, -1, -1
- #endif
- /* The type of the result of a floating point comparison. This must
- match __libgcc_cmp_return__ in GCC for the target. */
- typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
- #define CMPtype __gcc_CMPtype
- #define _FP_NANSIGN_S 0
- #define _FP_NANSIGN_D 0
- #define _FP_NANSIGN_Q 0
- #define _FP_KEEPNANFRACP 1
- #define _FP_QNANNEGATEDP 1
- /* Comment from glibc: */
- /* 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_RND_NEAREST (0 << 9)
- #define FP_RND_ZERO (1 << 9)
- #define FP_RND_PINF (2 << 9)
- #define FP_RND_MINF (3 << 9)
- #define FP_RND_MASK (3 << 9)
- #define FP_EX_INEXACT 0x01
- #define FP_EX_UNDERFLOW 0x02
- #define FP_EX_OVERFLOW 0x04
- #define FP_EX_DIVZERO 0x08
- #define FP_EX_INVALID 0x10
- #define FP_EX_ALL 0x1F
- #define FP_EX_SHIFT 27
- #define _FP_TININESS_AFTER_ROUNDING 1
- #define _FP_DECL_EX \
- unsigned int _fcsr __attribute__ ((unused)) = FP_RND_NEAREST
- /* Get floating-point status. */
- #define _FPU_GETCW(cw) \
- ({ \
- union { unsigned long long __fpreg; \
- unsigned int __halfreg[2]; } __fullfp; \
- /* Get the current status word. */ \
- __asm__ ("fstd %%fr0,0(%1)\n\t" \
- "fldd 0(%1),%%fr0\n\t" \
- : "=m" (__fullfp.__fpreg) \
- : "r" (&__fullfp.__fpreg) \
- : "%r0"); \
- cw = __fullfp.__halfreg[0]; \
- })
- #define FP_INIT_ROUNDMODE _FPU_GETCW(_fcsr)
- #define FP_ROUNDMODE (_fcsr & FP_RND_MASK)
- #define FP_TRAPPING_EXCEPTIONS (_fcsr & FP_EX_ALL)
- void __sfp_handle_exceptions (int);
- #define FP_HANDLE_EXCEPTIONS \
- do { \
- if (__builtin_expect (_fex, 0)) \
- __sfp_handle_exceptions (_fex); \
- } while (0)
- #define __LITTLE_ENDIAN 1234
- #define __BIG_ENDIAN 4321
- #define __BYTE_ORDER __BIG_ENDIAN
- /* Define ALIASNAME as a strong alias for NAME. */
- # define strong_alias(name, aliasname) _strong_alias(name, aliasname)
- # define _strong_alias(name, aliasname) \
- extern __typeof (name) aliasname __attribute__ ((alias (#name)));
|