#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_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(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) - 1) #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 #define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 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 0 /* Someone please check this. */ #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ do { \ if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ { \ R##_s = Y##_s; \ _FP_FRAC_COPY_##wc(R,Y); \ } \ else \ { \ R##_s = X##_s; \ _FP_FRAC_COPY_##wc(R,X); \ } \ R##_c = FP_CLS_NAN; \ } while (0) #define _FP_TININESS_AFTER_ROUNDING 0 #if defined __NO_FPRS__ && !defined _SOFT_FLOAT /* Exception flags. We use the bit positions of the appropriate bits in the FPEFSCR. */ # include # include # include int __feraiseexcept_soft (int); libc_hidden_proto (__feraiseexcept_soft) # define FP_EX_INEXACT SPEFSCR_FINXS # define FP_EX_INVALID SPEFSCR_FINVS # define FP_EX_DIVZERO SPEFSCR_FDBZS # define FP_EX_UNDERFLOW SPEFSCR_FUNFS # define FP_EX_OVERFLOW SPEFSCR_FOVFS # define _FP_DECL_EX \ int _spefscr __attribute__ ((unused)), _ftrapex __attribute__ ((unused)) = 0 # define FP_INIT_ROUNDMODE \ do \ { \ int _r; \ \ _spefscr = fegetenv_register (); \ _r = INTERNAL_SYSCALL_CALL (prctl, PR_GET_FPEXC, &_ftrapex); \ if (INTERNAL_SYSCALL_ERROR_P (_r)) \ _ftrapex = 0; \ } \ while (0) # define FP_INIT_EXCEPTIONS /* Empty. */ # define FP_HANDLE_EXCEPTIONS __feraiseexcept_soft (_fex) # define FP_ROUNDMODE (_spefscr & 0x3) /* Not correct in general, but sufficient for the uses in soft-fp. */ # define FP_TRAPPING_EXCEPTIONS (_ftrapex & PR_FP_EXC_UND \ ? FP_EX_UNDERFLOW \ : 0) #else /* Exception flags. We use the bit positions of the appropriate bits in the FPSCR, which also correspond to the FE_* bits. This makes everything easier ;-). */ # define FP_EX_INVALID (1 << (31 - 2)) # define FP_EX_OVERFLOW (1 << (31 - 3)) # define FP_EX_UNDERFLOW (1 << (31 - 4)) # define FP_EX_DIVZERO (1 << (31 - 5)) # define FP_EX_INEXACT (1 << (31 - 6)) # define FP_HANDLE_EXCEPTIONS __simulate_exceptions (_fex) # define FP_ROUNDMODE __sim_round_mode_thread # define FP_TRAPPING_EXCEPTIONS \ (~__sim_disabled_exceptions_thread & 0x3e000000) #endif extern __thread int __sim_exceptions_thread attribute_tls_model_ie; libc_hidden_tls_proto (__sim_exceptions_thread, tls_model ("initial-exec")); extern __thread int __sim_disabled_exceptions_thread attribute_tls_model_ie; libc_hidden_tls_proto (__sim_disabled_exceptions_thread, tls_model ("initial-exec")); extern __thread int __sim_round_mode_thread attribute_tls_model_ie; libc_hidden_tls_proto (__sim_round_mode_thread, tls_model ("initial-exec")); extern void __simulate_exceptions (int x) attribute_hidden;