xref: /netbsd-src/external/gpl3/gcc.old/dist/libgcc/config/arm/sfp-machine.h (revision 1debfc3d3fad8af6f31804271c18e67f77b4d718)
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 #define _FP_QNANNEGATEDP 0
35 
36 /* Someone please check this.  */
37 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
38   do {								\
39     if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)		\
40 	&& !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))	\
41       {								\
42 	R##_s = Y##_s;						\
43 	_FP_FRAC_COPY_##wc(R,Y);				\
44       }								\
45     else							\
46       {								\
47 	R##_s = X##_s;						\
48 	_FP_FRAC_COPY_##wc(R,X);				\
49       }								\
50     R##_c = FP_CLS_NAN;						\
51   } while (0)
52 
53 #define _FP_TININESS_AFTER_ROUNDING 0
54 
55 #define	__LITTLE_ENDIAN	1234
56 #define	__BIG_ENDIAN	4321
57 
58 #if defined __ARMEB__
59 # define __BYTE_ORDER __BIG_ENDIAN
60 #else
61 # define __BYTE_ORDER __LITTLE_ENDIAN
62 #endif
63 
64 
65 /* Define ALIASNAME as a strong alias for NAME.  */
66 # define strong_alias(name, aliasname) _strong_alias(name, aliasname)
67 # define _strong_alias(name, aliasname) \
68   extern __typeof (name) aliasname __attribute__ ((alias (#name)));
69 
70 #ifdef __ARM_EABI__
71 /* Rename functions to their EABI names.  */
72 /* The comparison functions need wrappers for EABI semantics, so
73    leave them unmolested.  */
74 #define __negsf2	__aeabi_fneg
75 #define __subsf3	__aeabi_fsub
76 #define __addsf3	__aeabi_fadd
77 #define __floatunsisf	__aeabi_ui2f
78 #define __floatsisf	__aeabi_i2f
79 #define __floatundisf	__aeabi_ul2f
80 #define __floatdisf	__aeabi_l2f
81 #define __mulsf3	__aeabi_fmul
82 #define __divsf3	__aeabi_fdiv
83 #define __unordsf2	__aeabi_fcmpun
84 #define __fixsfsi	__aeabi_f2iz
85 #define __fixunssfsi	__aeabi_f2uiz
86 #define __fixsfdi	__aeabi_f2lz
87 #define __fixunssfdi	__aeabi_f2ulz
88 #define __floatdisf	__aeabi_l2f
89 
90 #define __negdf2	__aeabi_dneg
91 #define __subdf3	__aeabi_dsub
92 #define __adddf3	__aeabi_dadd
93 #define __floatunsidf	__aeabi_ui2d
94 #define __floatsidf	__aeabi_i2d
95 #define __extendsfdf2	__aeabi_f2d
96 #define __truncdfsf2	__aeabi_d2f
97 #define __floatundidf	__aeabi_ul2d
98 #define __floatdidf	__aeabi_l2d
99 #define __muldf3	__aeabi_dmul
100 #define __divdf3	__aeabi_ddiv
101 #define __unorddf2	__aeabi_dcmpun
102 #define __fixdfsi	__aeabi_d2iz
103 #define __fixunsdfsi	__aeabi_d2uiz
104 #define __fixdfdi	__aeabi_d2lz
105 #define __fixunsdfdi	__aeabi_d2ulz
106 #define __floatdidf	__aeabi_l2d
107 #define __extendhfsf2	__gnu_h2f_ieee
108 #define __truncsfhf2	__gnu_f2h_ieee
109 
110 #endif /* __ARM_EABI__ */
111