blob: fef9314cbf6c0b1321f2e6b399e1a9281eb64947 [file] [log] [blame]
/* 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)));