^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Machine-dependent software floating-point definitions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) SuperH kernel version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) This file is part of the GNU C Library.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) Contributed by Richard Henderson (rth@cygnus.com),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) Jakub Jelinek (jj@ultra.linux.cz),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) David S. Miller (davem@redhat.com) and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) Peter Maydell (pmaydell@chiark.greenend.org.uk).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #ifndef _SFP_MACHINE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define _SFP_MACHINE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #ifdef __BIG_ENDIAN__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define __BYTE_ORDER __BIG_ENDIAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define __LITTLE_ENDIAN 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define __BYTE_ORDER __LITTLE_ENDIAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define __BIG_ENDIAN 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define _FP_W_TYPE_SIZE 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define _FP_W_TYPE unsigned long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define _FP_WS_TYPE signed long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define _FP_I_TYPE long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define _FP_MUL_MEAT_S(R,X,Y) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define _FP_MUL_MEAT_D(R,X,Y) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define _FP_MUL_MEAT_Q(R,X,Y) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define _FP_NANSIGN_S 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define _FP_NANSIGN_D 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define _FP_NANSIGN_Q 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define _FP_KEEPNANFRACP 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * If one NaN is signaling and the other is not,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * we choose that one, otherwise we choose X.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) R##_s = Y##_s; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) _FP_FRAC_COPY_##wc(R,Y); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) else \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) R##_s = X##_s; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) _FP_FRAC_COPY_##wc(R,X); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) R##_c = FP_CLS_NAN; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) //#define FP_ROUNDMODE FPSCR_RM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define FP_DENORM_ZERO 1/*FPSCR_DN*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /* Exception flags. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define FP_EX_INVALID (1<<4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define FP_EX_DIVZERO (1<<3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define FP_EX_OVERFLOW (1<<2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define FP_EX_UNDERFLOW (1<<1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define FP_EX_INEXACT (1<<0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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