1 #define _FP_W_TYPE_SIZE 32 2 #define _FP_W_TYPE unsigned long 3 #define _FP_WS_TYPE signed long 4 #define _FP_I_TYPE long 5 6 #define _FP_MUL_MEAT_S(R,X,Y) \ 7 _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) 8 #define _FP_MUL_MEAT_D(R,X,Y) \ 9 _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) 10 #define _FP_MUL_MEAT_Q(R,X,Y) \ 11 _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) 12 13 #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) 14 #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) 15 #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) 16 17 #define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) 18 #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 19 #define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 20 #define _FP_NANSIGN_S 0 21 #define _FP_NANSIGN_D 0 22 #define _FP_NANSIGN_Q 0 23 24 #define _FP_KEEPNANFRACP 1 25 #define _FP_QNANNEGATEDP 0 26 27 /* Someone please check this. */ 28 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ 29 do { \ 30 if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ 31 && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ 32 { \ 33 R##_s = Y##_s; \ 34 _FP_FRAC_COPY_##wc(R,Y); \ 35 } \ 36 else \ 37 { \ 38 R##_s = X##_s; \ 39 _FP_FRAC_COPY_##wc(R,X); \ 40 } \ 41 R##_c = FP_CLS_NAN; \ 42 } while (0) 43 44 /* Handle getting and setting rounding mode for soft fp operations. */ 45 46 #define FP_RND_NEAREST (0x0 << 1) 47 #define FP_RND_ZERO (0x1 << 1) 48 #define FP_RND_PINF (0x2 << 1) 49 #define FP_RND_MINF (0x3 << 1) 50 #define FP_RND_MASK (0x3 << 1) 51 52 #define FP_EX_OVERFLOW 1 << 3 53 #define FP_EX_UNDERFLOW 1 << 4 54 #define FP_EX_INEXACT 1 << 8 55 #define FP_EX_INVALID 1 << 9 56 #define FP_EX_DIVZERO 1 << 11 57 #define FP_EX_ALL \ 58 (FP_EX_INVALID | FP_EX_DIVZERO | FP_EX_OVERFLOW | FP_EX_UNDERFLOW \ 59 | FP_EX_INEXACT) 60 61 #define _FP_DECL_EX \ 62 unsigned int _fpcsr __attribute__ ((unused)) = FP_RND_NEAREST 63 64 #define FP_ROUNDMODE (_fpcsr & FP_RND_MASK) 65 66 #ifdef __or1k_hard_float__ 67 #define FP_INIT_ROUNDMODE \ 68 do { \ 69 __asm__ volatile ("l.mfspr %0,r0,20" : "=r" (_fpcsr)); \ 70 } while (0) 71 72 #define FP_HANDLE_EXCEPTIONS \ 73 do { \ 74 if (__builtin_expect (_fex, 0)) \ 75 { \ 76 _fpcsr &= ~FP_EX_ALL; \ 77 _fpcsr |= _fex; \ 78 __asm__ volatile ("l.mtspr r0,%0,20" : : "r" (_fpcsr)); \ 79 } \ 80 } while (0) 81 #endif 82 83 #define __LITTLE_ENDIAN 1234 84 #define __BIG_ENDIAN 4321 85 86 #define __BYTE_ORDER __BIG_ENDIAN 87 88 #define _FP_TININESS_AFTER_ROUNDING 0 89 90 /* Define ALIASNAME as a strong alias for NAME. */ 91 # define strong_alias(name, aliasname) _strong_alias(name, aliasname) 92 # define _strong_alias(name, aliasname) \ 93 extern __typeof (name) aliasname __attribute__ ((alias (#name))); 94