diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/arm/sfp-machine.h')
| -rw-r--r-- | gcc-4.9/libgcc/config/arm/sfp-machine.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/arm/sfp-machine.h b/gcc-4.9/libgcc/config/arm/sfp-machine.h new file mode 100644 index 000000000..4f2b15d7e --- /dev/null +++ b/gcc-4.9/libgcc/config/arm/sfp-machine.h @@ -0,0 +1,110 @@ +#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 0 +#define _FP_NANFRAC_S 0 +#define _FP_NANFRAC_D 0, 0 +#define _FP_NANFRAC_Q 0, 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__ */ |