ref: 167ea748f8b20a5940108ef5b23132310213e77e
dir: /sys/src/cmd/gs/alpha.h/
/* Parameters derived from machine and compiler architecture */ /* ---------------- Scalar alignments ---------------- */ #define ARCH_ALIGN_SHORT_MOD 2 #define ARCH_ALIGN_INT_MOD 4 #define ARCH_ALIGN_LONG_MOD 4 #define ARCH_ALIGN_PTR_MOD 4 #define ARCH_ALIGN_FLOAT_MOD 4 #define ARCH_ALIGN_DOUBLE_MOD 8 #define ARCH_ALIGN_STRUCT_MOD 4 /* ---------------- Scalar sizes ---------------- */ #define ARCH_LOG2_SIZEOF_SHORT 1 #define ARCH_LOG2_SIZEOF_INT 2 #define ARCH_LOG2_SIZEOF_LONG 2 #define ARCH_LOG2_SIZEOF_LONG_LONG 3 #define ARCH_SIZEOF_PTR 4 #define ARCH_SIZEOF_FLOAT 4 #define ARCH_SIZEOF_DOUBLE 8 #define ARCH_FLOAT_MANTISSA_BITS 24 #define ARCH_DOUBLE_MANTISSA_BITS 53 /* ---------------- Unsigned max values ---------------- */ #define ARCH_MAX_UCHAR ((unsigned char)0xff + (unsigned char)0) #define ARCH_MAX_USHORT ((unsigned short)0xffff + (unsigned short)0) #define ARCH_MAX_UINT ((unsigned int)~0 + (unsigned int)0) #define ARCH_MAX_ULONG ((unsigned long)~0L + (unsigned long)0) /* ---------------- Cache sizes ---------------- */ #define ARCH_CACHE1_SIZE 65536 #define ARCH_CACHE2_SIZE 131072 /* ---------------- Miscellaneous ---------------- */ #define ARCH_IS_BIG_ENDIAN 0 #define ARCH_PTRS_ARE_SIGNED 0 #define ARCH_FLOATS_ARE_IEEE 1 #define ARCH_ARITH_RSHIFT 2 #define ARCH_CAN_SHIFT_FULL_LONG 1 #define ARCH_DIV_NEG_POS_TRUNCATES 1