Blame sysdeps/powerpc/nofpu/sfp-machine.h

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#define _FP_W_TYPE_SIZE		32
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#define _FP_W_TYPE		unsigned long
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#define _FP_WS_TYPE		signed long
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#define _FP_I_TYPE		long
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#define _FP_MUL_MEAT_S(R,X,Y)				\
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  _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
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#define _FP_MUL_MEAT_D(R,X,Y)				\
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  _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
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#define _FP_MUL_MEAT_Q(R,X,Y)				\
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  _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
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#define _FP_DIV_MEAT_S(R,X,Y)	_FP_DIV_MEAT_1_loop(S,R,X,Y)
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#define _FP_DIV_MEAT_D(R,X,Y)	_FP_DIV_MEAT_2_udiv(D,R,X,Y)
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#define _FP_DIV_MEAT_Q(R,X,Y)	_FP_DIV_MEAT_4_udiv(Q,R,X,Y)
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#define _FP_NANFRAC_S		((_FP_QNANBIT_S << 1) - 1)
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#define _FP_NANFRAC_D		((_FP_QNANBIT_D << 1) - 1), -1
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#define _FP_NANFRAC_Q		((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
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#define _FP_NANSIGN_S		0
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#define _FP_NANSIGN_D		0
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#define _FP_NANSIGN_Q		0
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#define _FP_KEEPNANFRACP 1
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#define _FP_QNANNEGATEDP 0
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/* Someone please check this.  */
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#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
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  do {								\
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    if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)		\
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	&& !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))	\
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      {								\
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	R##_s = Y##_s;						\
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	_FP_FRAC_COPY_##wc(R,Y);				\
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      }								\
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    else							\
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      {								\
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	R##_s = X##_s;						\
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	_FP_FRAC_COPY_##wc(R,X);				\
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      }								\
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    R##_c = FP_CLS_NAN;						\
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  } while (0)
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#define _FP_TININESS_AFTER_ROUNDING 0
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#if defined __NO_FPRS__ && !defined _SOFT_FLOAT
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/* Exception flags.  We use the bit positions of the appropriate bits
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   in the FPEFSCR.  */
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# include <fenv_libc.h>
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# include <sysdep.h>
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# include <sys/prctl.h>
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int __feraiseexcept_soft (int);
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libc_hidden_proto (__feraiseexcept_soft)
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# define FP_EX_INEXACT         SPEFSCR_FINXS
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# define FP_EX_INVALID         SPEFSCR_FINVS
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# define FP_EX_DIVZERO         SPEFSCR_FDBZS
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# define FP_EX_UNDERFLOW       SPEFSCR_FUNFS
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# define FP_EX_OVERFLOW        SPEFSCR_FOVFS
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# define _FP_DECL_EX \
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  int _spefscr __attribute__ ((unused)), _ftrapex __attribute__ ((unused)) = 0
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# define FP_INIT_ROUNDMODE						\
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  do									\
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    {									\
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      int _r;								\
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      INTERNAL_SYSCALL_DECL (_err);					\
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									\
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      _spefscr = fegetenv_register ();					\
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      _r = INTERNAL_SYSCALL (prctl, _err, 2, PR_GET_FPEXC, &_ftrapex);	\
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      if (INTERNAL_SYSCALL_ERROR_P (_r, _err))				\
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	_ftrapex = 0;							\
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    }									\
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  while (0)
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# define FP_INIT_EXCEPTIONS /* Empty.  */
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# define FP_HANDLE_EXCEPTIONS  __feraiseexcept_soft (_fex)
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# define FP_ROUNDMODE          (_spefscr & 0x3)
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/* Not correct in general, but sufficient for the uses in soft-fp.  */
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# define FP_TRAPPING_EXCEPTIONS (_ftrapex & PR_FP_EXC_UND	\
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				 ? FP_EX_UNDERFLOW		\
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				 : 0)
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#else
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/* Exception flags.  We use the bit positions of the appropriate bits
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   in the FPSCR, which also correspond to the FE_* bits.  This makes
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   everything easier ;-).  */
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# define FP_EX_INVALID         (1 << (31 - 2))
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# define FP_EX_OVERFLOW        (1 << (31 - 3))
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# define FP_EX_UNDERFLOW       (1 << (31 - 4))
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# define FP_EX_DIVZERO         (1 << (31 - 5))
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# define FP_EX_INEXACT         (1 << (31 - 6))
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# define FP_HANDLE_EXCEPTIONS  __simulate_exceptions (_fex)
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# define FP_ROUNDMODE          __sim_round_mode_thread
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# define FP_TRAPPING_EXCEPTIONS \
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  (~__sim_disabled_exceptions_thread & 0x3e000000)
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#endif
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extern __thread int __sim_exceptions_thread attribute_tls_model_ie;
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libc_hidden_tls_proto (__sim_exceptions_thread, tls_model ("initial-exec"));
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extern __thread int __sim_disabled_exceptions_thread attribute_tls_model_ie;
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libc_hidden_tls_proto (__sim_disabled_exceptions_thread,
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		       tls_model ("initial-exec"));
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extern __thread int __sim_round_mode_thread attribute_tls_model_ie;
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libc_hidden_tls_proto (__sim_round_mode_thread, tls_model ("initial-exec"));
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extern void __simulate_exceptions (int x) attribute_hidden;