xref: /netbsd-src/external/gpl3/gcc/dist/libgcc/config/arm/sfp-machine.h (revision b7b7574d3bf8eeb51a1fa3977b59142ec6434a55)
1 #define _FP_W_TYPE_SIZE		32
2 #define _FP_W_TYPE		unsigned long
3 #define _FP_WS_TYPE		signed long
4 #define _FP_I_TYPE		long
5 
6 /* The type of the result of a floating point comparison.  This must
7    match `__libgcc_cmp_return__' in GCC for the target.  */
8 typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
9 #define CMPtype __gcc_CMPtype
10 
11 #define _FP_MUL_MEAT_S(R,X,Y)				\
12   _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
13 #define _FP_MUL_MEAT_D(R,X,Y)				\
14   _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
15 #define _FP_MUL_MEAT_Q(R,X,Y)				\
16   _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
17 
18 #define _FP_DIV_MEAT_S(R,X,Y)	_FP_DIV_MEAT_1_loop(S,R,X,Y)
19 #define _FP_DIV_MEAT_D(R,X,Y)	_FP_DIV_MEAT_2_udiv(D,R,X,Y)
20 #define _FP_DIV_MEAT_Q(R,X,Y)	_FP_DIV_MEAT_4_udiv(Q,R,X,Y)
21 
22 /* According to RTABI, QNAN is only with the most significant bit of the
23    significand set, and all other significand bits zero.  */
24 #define _FP_NANFRAC_H		_FP_QNANBIT_H
25 #define _FP_NANFRAC_S		_FP_QNANBIT_S
26 #define _FP_NANFRAC_D		_FP_QNANBIT_D, 0
27 #define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0, 0, 0
28 #define _FP_NANSIGN_H		0
29 #define _FP_NANSIGN_S		0
30 #define _FP_NANSIGN_D		0
31 #define _FP_NANSIGN_Q		0
32 
33 #define _FP_KEEPNANFRACP 1
34 
35 /* Someone please check this.  */
36 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
37   do {								\
38     if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)		\
39 	&& !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))	\
40       {								\
41 	R##_s = Y##_s;						\
42 	_FP_FRAC_COPY_##wc(R,Y);				\
43       }								\
44     else							\
45       {								\
46 	R##_s = X##_s;						\
47 	_FP_FRAC_COPY_##wc(R,X);				\
48       }								\
49     R##_c = FP_CLS_NAN;						\
50   } while (0)
51 
52 #define	__LITTLE_ENDIAN	1234
53 #define	__BIG_ENDIAN	4321
54 
55 #if defined __ARMEB__
56 # define __BYTE_ORDER __BIG_ENDIAN
57 #else
58 # define __BYTE_ORDER __LITTLE_ENDIAN
59 #endif
60 
61 
62 /* Define ALIASNAME as a strong alias for NAME.  */
63 # define strong_alias(name, aliasname) _strong_alias(name, aliasname)
64 # define _strong_alias(name, aliasname) \
65   extern __typeof (name) aliasname __attribute__ ((alias (#name)));
66 
67 #ifdef __ARM_EABI__
68 /* Rename functions to their EABI names.  */
69 /* The comparison functions need wrappers for EABI semantics, so
70    leave them unmolested.  */
71 #define __negsf2	__aeabi_fneg
72 #define __subsf3	__aeabi_fsub
73 #define __addsf3	__aeabi_fadd
74 #define __floatunsisf	__aeabi_ui2f
75 #define __floatsisf	__aeabi_i2f
76 #define __floatundisf	__aeabi_ul2f
77 #define __floatdisf	__aeabi_l2f
78 #define __mulsf3	__aeabi_fmul
79 #define __divsf3	__aeabi_fdiv
80 #define __unordsf2	__aeabi_fcmpun
81 #define __fixsfsi	__aeabi_f2iz
82 #define __fixunssfsi	__aeabi_f2uiz
83 #define __fixsfdi	__aeabi_f2lz
84 #define __fixunssfdi	__aeabi_f2ulz
85 #define __floatdisf	__aeabi_l2f
86 
87 #define __negdf2	__aeabi_dneg
88 #define __subdf3	__aeabi_dsub
89 #define __adddf3	__aeabi_dadd
90 #define __floatunsidf	__aeabi_ui2d
91 #define __floatsidf	__aeabi_i2d
92 #define __extendsfdf2	__aeabi_f2d
93 #define __truncdfsf2	__aeabi_d2f
94 #define __floatundidf	__aeabi_ul2d
95 #define __floatdidf	__aeabi_l2d
96 #define __muldf3	__aeabi_dmul
97 #define __divdf3	__aeabi_ddiv
98 #define __unorddf2	__aeabi_dcmpun
99 #define __fixdfsi	__aeabi_d2iz
100 #define __fixunsdfsi	__aeabi_d2uiz
101 #define __fixdfdi	__aeabi_d2lz
102 #define __fixunsdfdi	__aeabi_d2ulz
103 #define __floatdidf	__aeabi_l2d
104 #define __extendhfsf2	__gnu_h2f_ieee
105 #define __truncsfhf2	__gnu_f2h_ieee
106 
107 #endif /* __ARM_EABI__ */
108