Retro68/gcc/libgcc/config/arm/sfp-machine.h
2014-09-21 19:33:12 +02:00

111 lines
3.4 KiB
C

#define _FP_W_TYPE_SIZE 32
#define _FP_W_TYPE unsigned long
#define _FP_WS_TYPE signed long
#define _FP_I_TYPE long
/* The type of the result of a floating point comparison. This must
match `__libgcc_cmp_return__' in GCC for the target. */
typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
#define CMPtype __gcc_CMPtype
#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)
/* According to RTABI, QNAN is only with the most significant bit of the
significand set, and all other significand bits zero. */
#define _FP_NANFRAC_H _FP_QNANBIT_H
#define _FP_NANFRAC_S _FP_QNANBIT_S
#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0
#define _FP_NANSIGN_H 0
#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
#define __LITTLE_ENDIAN 1234
#define __BIG_ENDIAN 4321
#if defined __ARMEB__
# define __BYTE_ORDER __BIG_ENDIAN
#else
# define __BYTE_ORDER __LITTLE_ENDIAN
#endif
/* Define ALIASNAME as a strong alias for NAME. */
# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
# define _strong_alias(name, aliasname) \
extern __typeof (name) aliasname __attribute__ ((alias (#name)));
#ifdef __ARM_EABI__
/* Rename functions to their EABI names. */
/* The comparison functions need wrappers for EABI semantics, so
leave them unmolested. */
#define __negsf2 __aeabi_fneg
#define __subsf3 __aeabi_fsub
#define __addsf3 __aeabi_fadd
#define __floatunsisf __aeabi_ui2f
#define __floatsisf __aeabi_i2f
#define __floatundisf __aeabi_ul2f
#define __floatdisf __aeabi_l2f
#define __mulsf3 __aeabi_fmul
#define __divsf3 __aeabi_fdiv
#define __unordsf2 __aeabi_fcmpun
#define __fixsfsi __aeabi_f2iz
#define __fixunssfsi __aeabi_f2uiz
#define __fixsfdi __aeabi_f2lz
#define __fixunssfdi __aeabi_f2ulz
#define __floatdisf __aeabi_l2f
#define __negdf2 __aeabi_dneg
#define __subdf3 __aeabi_dsub
#define __adddf3 __aeabi_dadd
#define __floatunsidf __aeabi_ui2d
#define __floatsidf __aeabi_i2d
#define __extendsfdf2 __aeabi_f2d
#define __truncdfsf2 __aeabi_d2f
#define __floatundidf __aeabi_ul2d
#define __floatdidf __aeabi_l2d
#define __muldf3 __aeabi_dmul
#define __divdf3 __aeabi_ddiv
#define __unorddf2 __aeabi_dcmpun
#define __fixdfsi __aeabi_d2iz
#define __fixunsdfsi __aeabi_d2uiz
#define __fixdfdi __aeabi_d2lz
#define __fixunsdfdi __aeabi_d2ulz
#define __floatdidf __aeabi_l2d
#define __extendhfsf2 __gnu_h2f_ieee
#define __truncsfhf2 __gnu_f2h_ieee
#endif /* __ARM_EABI__ */