projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| c252db20 L |
1 | #define _FP_W_TYPE_SIZE 64 |
| 2 | #define _FP_W_TYPE unsigned long | |
| 3 | #define _FP_WS_TYPE signed long | |
| 4 | #define _FP_I_TYPE long | |
| 5 | ||
| 6 | typedef int TItype __attribute__ ((mode (TI))); | |
| 7 | typedef unsigned int UTItype __attribute__ ((mode (TI))); | |
| 8 | ||
| 9 | #define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype)) | |
| 10 | ||
| 11 | /* The type of the result of a floating point comparison. This must | |
| 12 | match `__libgcc_cmp_return__' in GCC for the target. */ | |
| 13 | typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__))); | |
| 14 | #define CMPtype __gcc_CMPtype | |
| 15 | ||
| 16 | #define _FP_MUL_MEAT_Q(R,X,Y) \ | |
| 17 | _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) | |
| 18 | ||
| 19 | #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y) | |
| 20 | ||
| 21 | #define _FP_NANFRAC_S _FP_QNANBIT_S | |
| 22 | #define _FP_NANFRAC_D _FP_QNANBIT_D | |
| 23 | #define _FP_NANFRAC_E _FP_QNANBIT_E, 0 | |
| 24 | #define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0 | |
| 25 | #define _FP_NANSIGN_S 1 | |
| 26 | #define _FP_NANSIGN_D 1 | |
| 27 | #define _FP_NANSIGN_E 1 | |
| 28 | #define _FP_NANSIGN_Q 1 | |
| 29 | ||
| 30 | #define _FP_KEEPNANFRACP 1 | |
| 31 | ||
| 32 | /* Here is something Intel misdesigned: the specs don't define | |
| 33 | the case where we have two NaNs with same mantissas, but | |
| 34 | different sign. Different operations pick up different NaNs. */ | |
| 35 | #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ | |
| 36 | do { \ | |
| 37 | if (_FP_FRAC_GT_##wc(X, Y) \ | |
| 38 | || (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \ | |
| 39 | { \ | |
| 40 | R##_s = X##_s; \ | |
| 41 | _FP_FRAC_COPY_##wc(R,X); \ | |
| 42 | } \ | |
| 43 | else \ | |
| 44 | { \ | |
| 45 | R##_s = Y##_s; \ | |
| 46 | _FP_FRAC_COPY_##wc(R,Y); \ | |
| 47 | } \ | |
| 48 | R##_c = FP_CLS_NAN; \ | |
| 49 | } while (0) | |
| 50 | ||
| 51 | #define FP_EX_INVALID 0x01 | |
| 52 | #define FP_EX_DENORM 0x02 | |
| 53 | #define FP_EX_DIVZERO 0x04 | |
| 54 | #define FP_EX_OVERFLOW 0x08 | |
| 55 | #define FP_EX_UNDERFLOW 0x10 | |
| 56 | #define FP_EX_INEXACT 0x20 | |
| 57 | ||
| 58 | #define FP_HANDLE_EXCEPTIONS \ | |
| 59 | do { \ | |
| 60 | double tmp, dummy; \ | |
| 61 | if (_fex & FP_EX_INVALID) \ | |
| 62 | { \ | |
| 63 | tmp = 0.0; \ | |
| 64 | __asm__ __volatile__ ("frcpa.s0 %0,p1=f0,f0" \ | |
| 65 | : "=f" (tmp) : : "p1" ); \ | |
| 66 | } \ | |
| 67 | if (_fex & FP_EX_DIVZERO) \ | |
| 68 | { \ | |
| 69 | __asm__ __volatile__ ("frcpa.s0 %0,p1=f1,f0" \ | |
| 70 | : "=f" (tmp) : : "p1" ); \ | |
| 71 | } \ | |
| 72 | if (_fex & FP_EX_OVERFLOW) \ | |
| 73 | { \ | |
| 74 | dummy = __DBL_MAX__; \ | |
| 75 | __asm__ __volatile__ ("fadd.d.s0 %0=%1,%1" \ | |
| 76 | : "=f" (dummy) : "0" (dummy)); \ | |
| 77 | } \ | |
| 78 | if (_fex & FP_EX_UNDERFLOW) \ | |
| 79 | { \ | |
| 80 | dummy = __DBL_MIN__; \ | |
| 81 | __asm__ __volatile__ ("fnma.d.s0 %0=%1,%1,f0" \ | |
| 82 | : "=f" (tmp) : "f" (dummy)); \ | |
| 83 | } \ | |
| 84 | if (_fex & FP_EX_INEXACT) \ | |
| 85 | { \ | |
| 86 | dummy = __DBL_MAX__; \ | |
| 87 | __asm__ __volatile__ ("fsub.d.s0 %0=%1,f1" \ | |
| 88 | : "=f" (dummy) : "0" (dummy)); \ | |
| 89 | } \ | |
| 90 | } while (0) | |
| 91 | ||
| 92 | #define FP_RND_NEAREST 0 | |
| 93 | #define FP_RND_ZERO 0xc00L | |
| 94 | #define FP_RND_PINF 0x800L | |
| 95 | #define FP_RND_MINF 0x400L | |
| 96 | ||
| 97 | #define _FP_DECL_EX \ | |
| 98 | unsigned long int _fpsr __attribute__ ((unused)) = FP_RND_NEAREST | |
| 99 | ||
| 100 | #define FP_INIT_ROUNDMODE \ | |
| 101 | do { \ | |
| 102 | __asm__ __volatile__ ("mov.m %0=ar.fpsr" \ | |
| 103 | : "=r" (_fpsr)); \ | |
| 104 | } while (0) | |
| 105 | ||
| 106 | #define FP_ROUNDMODE (_fpsr & 0xc00L) | |
| 107 | ||
| 108 | #define __LITTLE_ENDIAN 1234 | |
| 109 | #define __BIG_ENDIAN 4321 | |
| 110 | ||
| 111 | #define __BYTE_ORDER __LITTLE_ENDIAN | |
| 112 | ||
| 113 | /* Define ALIASNAME as a strong alias for NAME. */ | |
| 114 | #define strong_alias(name, aliasname) _strong_alias(name, aliasname) | |
| 115 | #define _strong_alias(name, aliasname) \ | |
| 116 | extern __typeof (name) aliasname __attribute__ ((alias (#name))); |