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glibc/ports/sysdeps/mips/soft-fp/sfp-machine.h
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#define _FP_W_TYPE_SIZE 32 | |
#define _FP_W_TYPE unsigned long | |
#define _FP_WS_TYPE signed long | |
#define _FP_I_TYPE long | |
#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_MUL_MEAT_DW_S(R,X,Y) \ | |
_FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) | |
#define _FP_MUL_MEAT_DW_D(R,X,Y) \ | |
_FP_MUL_MEAT_DW_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) | |
#define _FP_MUL_MEAT_DW_Q(R,X,Y) \ | |
_FP_MUL_MEAT_DW_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 | |
#define _FP_NANSIGN_S 0 | |
#define _FP_NANSIGN_D 0 | |
#define _FP_NANSIGN_Q 0 | |
#define _FP_KEEPNANFRACP 1 | |
#define _FP_QNANNEGATEDP 1 | |
/* 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_EX_INVALID (1 << 4) | |
#define FP_EX_DIVZERO (1 << 3) | |
#define FP_EX_OVERFLOW (1 << 2) | |
#define FP_EX_UNDERFLOW (1 << 1) | |
#define FP_EX_INEXACT (1 << 0) |