xref: /plan9-contrib/sys/src/cmd/gs/spim.h (revision 12b1df16f1a9233fb47d4260d51ef450cc19c368)
1*12b1df16SDavid du Colombier /* Parameters derived from machine and compiler architecture. */
2*12b1df16SDavid du Colombier /* This file is generated mechanically by genarch.c. */
3*12b1df16SDavid du Colombier 
4*12b1df16SDavid du Colombier 	 /* ---------------- Scalar alignments ---------------- */
5*12b1df16SDavid du Colombier 
6*12b1df16SDavid du Colombier #define ARCH_ALIGN_SHORT_MOD 2
7*12b1df16SDavid du Colombier #define ARCH_ALIGN_INT_MOD 4
8*12b1df16SDavid du Colombier #define ARCH_ALIGN_LONG_MOD 4
9*12b1df16SDavid du Colombier #define ARCH_ALIGN_PTR_MOD 4
10*12b1df16SDavid du Colombier #define ARCH_ALIGN_FLOAT_MOD 4
11*12b1df16SDavid du Colombier #define ARCH_ALIGN_DOUBLE_MOD 4
12*12b1df16SDavid du Colombier #define ARCH_ALIGN_STRUCT_MOD 4
13*12b1df16SDavid du Colombier 
14*12b1df16SDavid du Colombier 	 /* ---------------- Scalar sizes ---------------- */
15*12b1df16SDavid du Colombier 
16*12b1df16SDavid du Colombier #define ARCH_LOG2_SIZEOF_CHAR 0
17*12b1df16SDavid du Colombier #define ARCH_LOG2_SIZEOF_SHORT 1
18*12b1df16SDavid du Colombier #define ARCH_LOG2_SIZEOF_INT 2
19*12b1df16SDavid du Colombier #define ARCH_LOG2_SIZEOF_LONG 2
20*12b1df16SDavid du Colombier #define ARCH_LOG2_SIZEOF_LONG_LONG 3
21*12b1df16SDavid du Colombier #define ARCH_SIZEOF_PTR 4
22*12b1df16SDavid du Colombier #define ARCH_SIZEOF_FLOAT 4
23*12b1df16SDavid du Colombier #define ARCH_SIZEOF_DOUBLE 8
24*12b1df16SDavid du Colombier #define ARCH_FLOAT_MANTISSA_BITS 24
25*12b1df16SDavid du Colombier #define ARCH_DOUBLE_MANTISSA_BITS 53
26*12b1df16SDavid du Colombier 
27*12b1df16SDavid du Colombier 	 /* ---------------- Unsigned max values ---------------- */
28*12b1df16SDavid du Colombier 
29*12b1df16SDavid du Colombier #define ARCH_MAX_UCHAR ((unsigned char)0xff + (unsigned char)0)
30*12b1df16SDavid du Colombier #define ARCH_MAX_USHORT ((unsigned short)0xffff + (unsigned short)0)
31*12b1df16SDavid du Colombier #define ARCH_MAX_UINT ((unsigned int)~0 + (unsigned int)0)
32*12b1df16SDavid du Colombier #define ARCH_MAX_ULONG ((unsigned long)~0L + (unsigned long)0)
33*12b1df16SDavid du Colombier 
34*12b1df16SDavid du Colombier 	 /* ---------------- Cache sizes ---------------- */
35*12b1df16SDavid du Colombier 
36*12b1df16SDavid du Colombier #define ARCH_CACHE1_SIZE 1048576
37*12b1df16SDavid du Colombier #define ARCH_CACHE2_SIZE 4194304
38*12b1df16SDavid du Colombier 
39*12b1df16SDavid du Colombier 	 /* ---------------- Miscellaneous ---------------- */
40*12b1df16SDavid du Colombier 
41*12b1df16SDavid du Colombier #define ARCH_IS_BIG_ENDIAN 0
42*12b1df16SDavid du Colombier #define ARCH_PTRS_ARE_SIGNED 0
43*12b1df16SDavid du Colombier #define ARCH_FLOATS_ARE_IEEE 1
44*12b1df16SDavid du Colombier #define ARCH_ARITH_RSHIFT 2
45*12b1df16SDavid du Colombier #define ARCH_CAN_SHIFT_FULL_LONG 0
46*12b1df16SDavid du Colombier #define ARCH_DIV_NEG_POS_TRUNCATES 1
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