migrated msb postionting function to moo-utl.h
This commit is contained in:
hyunghwan.chung
parent
80b05e9d95
commit
eba44fc039
@ -134,96 +134,14 @@ static const moo_uint8_t debruijn_64[64] =
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# define LOG2_FOR_POW2_64(x) (debruijn_64[(moo_uint64_t)((moo_uint64_t)(x) * 0x022fdd63cc95386d) >> 58])
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#endif
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static MOO_INLINE int get_pos_of_msb_set_pow2 (moo_oow_t x)
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{
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/* the caller must ensure that x is power of 2. if x happens to be zero,
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* the return value is undefined as each method used may give different result. */
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#if defined(MOO_HAVE_BUILTIN_CTZLL) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_LONG_LONG)
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return __builtin_ctzll(x); /* count the number of trailing zeros */
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#elif defined(MOO_HAVE_BUILTIN_CTZL) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_LONG)
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return __builtin_ctzl(x); /* count the number of trailing zeros */
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#elif defined(MOO_HAVE_BUILTIN_CTZ) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_INT)
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return __builtin_ctz(x); /* count the number of trailing zeros */
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#elif defined(__GNUC__) && (defined(__x86_64) || defined(__amd64) || defined(__i386) || defined(i386))
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moo_oow_t pos;
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/* use the Bit Scan Forward instruction */
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#if 1
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__asm__ volatile (
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"bsf %1,%0\n\t"
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: "=r"(pos) /* output */
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: "r"(x) /* input */
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);
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#else
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__asm__ volatile (
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"bsf %[X],%[EXP]\n\t"
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: [EXP]"=r"(pos) /* output */
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: [X]"r"(x) /* input */
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);
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#endif
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return (int)pos;
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#elif defined(__GNUC__) && defined(__arm__) && (defined(__ARM_ARCH) && (__ARM_ARCH >= 5))
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moo_oow_t n;
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/* CLZ is available in ARMv5T and above. there is no instruction to
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* count trailing zeros or something similar. using RBIT with CLZ
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* would be good in ARMv6T2 and above to avoid further calculation
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* afte CLZ */
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__asm__ volatile (
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"clz %0,%1\n\t"
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: "=r"(n) /* output */
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: "r"(x) /* input */
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);
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return (int)(MOO_OOW_BITS - n - 1);
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/* TODO: PPC - use cntlz, cntlzw, cntlzd, SPARC - use lzcnt, MIPS clz */
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#else
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int pos = 0;
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while (x >>= 1) pos++;
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return pos;
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#endif
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}
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static MOO_INLINE int get_pos_of_msb_set (moo_oow_t x)
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{
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/* x doesn't have to be power of 2. if x is zero, the result is undefined */
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#if defined(MOO_HAVE_BUILTIN_CLZLL) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_LONG_LONG)
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return MOO_OOW_BITS - __builtin_clzll(x) - 1; /* count the number of leading zeros */
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#elif defined(MOO_HAVE_BUILTIN_CLZL) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_LONG)
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return MOO_OOW_BITS - __builtin_clzl(x) - 1; /* count the number of leading zeros */
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#elif defined(MOO_HAVE_BUILTIN_CLZ) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_INT)
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return MOO_OOW_BITS - __builtin_clz(x) - 1; /* count the number of leading zeros */
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#elif defined(__GNUC__) && (defined(__x86_64) || defined(__amd64) || defined(__i386) || defined(i386))
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/* bit scan reverse. not all x86 CPUs have LZCNT. */
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moo_oow_t pos;
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__asm__ volatile (
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"bsr %1,%0\n\t"
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: "=r"(pos) /* output */
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: "r"(x) /* input */
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);
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return (int)pos;
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#elif defined(__GNUC__) && defined(__arm__) && (defined(__ARM_ARCH) && (__ARM_ARCH >= 5))
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moo_oow_t n;
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__asm__ volatile (
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"clz %0,%1\n\t"
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: "=r"(n) /* output */
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: "r"(x) /* input */
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);
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return (int)(MOO_OOW_BITS - n - 1);
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/* TODO: PPC - use cntlz, cntlzw, cntlzd, SPARC - use lzcnt, MIPS clz */
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#else
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int pos = 0;
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while (x >>= 1) pos++;
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return pos;
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#endif
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}
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#if defined(MOO_HAVE_UINT32_T) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_UINT32_T)
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# define LOG2_FOR_POW2(x) LOG2_FOR_POW2_32(x)
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#elif defined(MOO_HAVE_UINT64_T) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_UINT64_T)
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# define LOG2_FOR_POW2(x) LOG2_FOR_POW2_64(x)
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#else
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# define LOG2_FOR_POW2(x) get_pos_of_msb_set_pow2(x)
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# define LOG2_FOR_POW2(x) moo_get_pos_of_msb_set_pow2(x)
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#endif
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#if (MOO_SIZEOF_OOW_T == MOO_SIZEOF_INT) && defined(MOO_HAVE_BUILTIN_UADD_OVERFLOW)
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# define oow_add_overflow(a,b,c) __builtin_uadd_overflow(a,b,c)
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#elif (MOO_SIZEOF_OOW_T == MOO_SIZEOF_LONG) && defined(MOO_HAVE_BUILTIN_UADDL_OVERFLOW)
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@ -1924,9 +1842,9 @@ static void divide_unsigned_array3 (moo_t* moo, const moo_liw_t* x, moo_oow_t xs
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#endif
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y1 = y[ys - 1];
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/*s = MOO_LIW_BITS - ((y1 == 0)? -1: get_pos_of_msb_set(y1)) - 1;*/
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/*s = MOO_LIW_BITS - ((y1 == 0)? -1: moo_get_pos_of_msb_set(y1)) - 1;*/
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MOO_ASSERT (moo, y1 > 0); /* the highest word can't be non-zero in the context where this function is called */
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s = MOO_LIW_BITS - get_pos_of_msb_set(y1) - 1;
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s = MOO_LIW_BITS - moo_get_pos_of_msb_set(y1) - 1;
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for (i = ys; i > 1; )
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{
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--i;
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@ -42,7 +42,7 @@ floting-point conversion implementation*/
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/* Max number conversion buffer length:
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* moo_intmax_t in base 2, plus NUL byte. */
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#define MAXNBUF (MOO_SIZEOF(moo_intmax_t) * 8 + 1)
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#define MAXNBUF (MOO_SIZEOF(moo_intmax_t) * MOO_BITS_PER_BYTE + 1)
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enum
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{
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@ -999,7 +999,7 @@ static int fmtoutv (moo_t* moo, const fmtchar_t* fmt, moo_fmtout_data_t* data, v
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#else
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register int shift = i * MOO_SIZEOF(moo_oow_t);
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moo_oow_t x = va_arg (ap, moo_oow_t);
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num |= (moo_uintmax_t)x << (shift * 8);
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num |= (moo_uintmax_t)x << (shift * MOO_BITS_PER_BYTE);
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#endif
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}
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#else
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@ -1043,7 +1043,7 @@ static int fmtoutv (moo_t* moo, const fmtchar_t* fmt, moo_fmtout_data_t* data, v
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#else
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register int shift = i * MOO_SIZEOF(moo_oow_t);
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moo_oow_t x = va_arg (ap, moo_oow_t);
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num |= (moo_uintmax_t)x << (shift * 8);
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num |= (moo_uintmax_t)x << (shift * MOO_BITS_PER_BYTE);
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#endif
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}
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#else
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@ -71,6 +71,8 @@
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# define __ARM_ARCH 6
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# elif defined(__ARM_ARCH_5__)
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# define __ARM_ARCH 5
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# elif defined(__ARM_ARCH_4__)
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# define __ARM_ARCH 4
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# endif
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#endif
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@ -334,6 +336,13 @@
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# error UNKNOWN INTMAX SIZE
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#endif
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/* =========================================================================
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* BASIC HARD-CODED DEFINES
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* ========================================================================= */
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#define MOO_BITS_PER_BYTE (8)
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/* the maximum number of bch charaters to represent a single uch character */
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#define MOO_BCSIZE_MAX 6
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/* =========================================================================
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* BASIC MOO TYPES
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* ========================================================================= */
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@ -373,11 +382,15 @@ typedef moo_uintptr_t moo_oow_t;
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typedef moo_intptr_t moo_ooi_t;
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#define MOO_SIZEOF_OOW_T MOO_SIZEOF_UINTPTR_T
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#define MOO_SIZEOF_OOI_T MOO_SIZEOF_INTPTR_T
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#define MOO_OOW_BITS (MOO_SIZEOF_OOW_T * MOO_BITS_PER_BYTE)
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#define MOO_OOI_BITS (MOO_SIZEOF_OOI_T * MOO_BITS_PER_BYTE)
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typedef moo_ushortptr_t moo_oohw_t; /* half word - half word */
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typedef moo_shortptr_t moo_oohi_t; /* signed half word */
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#define MOO_SIZEOF_OOHW_T MOO_SIZEOF_USHORTPTR_T
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#define MOO_SIZEOF_OOHI_T MOO_SIZEOF_SHORTPTR_T
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#define MOO_OOHW_BITS (MOO_SIZEOF_OOHW_T * MOO_BITS_PER_BYTE)
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#define MOO_OOHI_BITS (MOO_SIZEOF_OOHI_T * MOO_BITS_PER_BYTE)
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struct moo_ucs_t
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{
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@ -409,14 +422,9 @@ typedef struct moo_bcs_t moo_bcs_t;
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# define MOO_SIZEOF_OOCH_T MOO_SIZEOF_BCH_T
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#endif
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/* the maximum number of bch charaters to represent a single uch character */
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#define MOO_BCSIZE_MAX 6
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/* =========================================================================
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* BASIC OOP ENCODING
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* ========================================================================= */
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/* actual structure defined in moo.h */
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typedef struct moo_obj_t moo_obj_t;
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typedef struct moo_obj_t* moo_oop_t;
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@ -637,11 +645,11 @@ struct moo_ntime_t
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/* make a bit mask that can mask off low n bits */
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#define MOO_LBMASK(type,n) (~(~((type)0) << (n)))
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#define MOO_LBMASK_SAFE(type,n) (((n) < MOO_SIZEOF(type) * 8)? MOO_LBMASK(type,n): ~(type)0)
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#define MOO_LBMASK_SAFE(type,n) (((n) < MOO_SIZEOF(type) * MOO_BITS_PER_BYTE)? MOO_LBMASK(type,n): ~(type)0)
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/* make a bit mask that can mask off hig n bits */
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#define MOO_HBMASK(type,n) (~(~((type)0) >> (n)))
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#define MOO_HBMASK_SAFE(type,n) (((n) < MOO_SIZEOF(type) * 8)? MOO_HBMASK(type,n): ~(type)0)
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#define MOO_HBMASK_SAFE(type,n) (((n) < MOO_SIZEOF(type) * MOO_BITS_PER_BYTE)? MOO_HBMASK(type,n): ~(type)0)
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/* get 'length' bits starting from the bit at the 'offset' */
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#define MOO_GETBITS(type,value,offset,length) \
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@ -668,7 +676,7 @@ struct moo_ntime_t
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* \endcode
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*/
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/*#define MOO_BITS_MAX(type,nbits) ((((type)1) << (nbits)) - 1)*/
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#define MOO_BITS_MAX(type,nbits) ((~(type)0) >> (MOO_SIZEOF(type) * 8 - (nbits)))
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#define MOO_BITS_MAX(type,nbits) ((~(type)0) >> (MOO_SIZEOF(type) * MOO_BITS_PER_BYTE - (nbits)))
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/* =========================================================================
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* MMGR
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@ -819,11 +827,11 @@ typedef struct moo_t moo_t;
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#define MOO_TYPE_IS_UNSIGNED(type) (((type)0) < ((type)-1))
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#define MOO_TYPE_SIGNED_MAX(type) \
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((type)~((type)1 << ((type)MOO_SIZEOF(type) * 8 - 1)))
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((type)~((type)1 << ((type)MOO_SIZEOF(type) * MOO_BITS_PER_BYTE - 1)))
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#define MOO_TYPE_UNSIGNED_MAX(type) ((type)(~(type)0))
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#define MOO_TYPE_SIGNED_MIN(type) \
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((type)((type)1 << ((type)MOO_SIZEOF(type) * 8 - 1)))
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((type)((type)1 << ((type)MOO_SIZEOF(type) * MOO_BITS_PER_BYTE - 1)))
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#define MOO_TYPE_UNSIGNED_MIN(type) ((type)0)
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#define MOO_TYPE_MAX(type) \
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@ -250,10 +250,10 @@
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* 2. the maximum number of bit shifts can be represented in the moo_oow_t type.
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*/
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# define MOO_OBJ_SIZE_MAX ((moo_oow_t)MOO_SMOOI_MAX)
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# define MOO_OBJ_SIZE_BITS_MAX (MOO_OBJ_SIZE_MAX * 8)
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# define MOO_OBJ_SIZE_BITS_MAX (MOO_OBJ_SIZE_MAX * MOO_BITS_PER_BYTE)
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#else
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# define MOO_OBJ_SIZE_MAX ((moo_oow_t)MOO_TYPE_MAX(moo_oow_t))
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# define MOO_OBJ_SIZE_BITS_MAX (MOO_OBJ_SIZE_MAX * 8)
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# define MOO_OBJ_SIZE_BITS_MAX (MOO_OBJ_SIZE_MAX * MOO_BITS_PER_BYTE)
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#endif
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@ -736,8 +736,9 @@ MOO_EXPORT moo_oow_t moo_utf16_to_uc (
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moo_uch_t* uc
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);
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/* ------------------------------------------------------------------------- */
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/* =========================================================================
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* BIT SWAP
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* ========================================================================= */
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#if defined(MOO_HAVE_INLINE)
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#if defined(MOO_HAVE_UINT16_T)
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@ -748,8 +749,9 @@ static MOO_INLINE moo_uint16_t moo_bswap16 (moo_uint16_t x)
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#elif defined(__GNUC__) && (defined(__x86_64) || defined(__amd64) || defined(__i386) || defined(i386))
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__asm__ /*volatile*/ ("xchgb %b0, %h0" : "=Q"(x): "0"(x));
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return x;
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#elif defined(__GNUC__) && (defined(__ARM_ARCH) && (__ARM_ARCH >= 6))
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#elif defined(__GNUC__) && defined(__arm__) && (defined(__ARM_ARCH) && (__ARM_ARCH >= 6))
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__asm__ /*volatile*/ ("rev16 %0, %0" : "+r"(x));
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return x;
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#else
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return (x << 8) | (x >> 8);
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#endif
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@ -764,8 +766,12 @@ static MOO_INLINE moo_uint32_t moo_bswap32 (moo_uint32_t x)
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#elif defined(__GNUC__) && (defined(__x86_64) || defined(__amd64) || defined(__i386) || defined(i386))
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__asm__ /*volatile*/ ("bswapl %0" : "=r"(x) : "0"(x));
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return x;
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#elif defined(__GNUC__) && (defined(__ARM_ARCH) && (__ARM_ARCH >= 6))
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#elif defined(__GNUC__) && defined(__aarch64__)
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__asm__ /*volatile*/ ("rev32 %0, %0" : "+r"(x));
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return x;
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#elif defined(__GNUC__) && defined(__arm__) && (defined(__ARM_ARCH) && (__ARM_ARCH >= 6))
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__asm__ /*volatile*/ ("rev %0, %0" : "+r"(x));
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return x;
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#elif defined(__GNUC__) && defined(__ARM_ARCH)
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moo_uint32_t tmp;
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__asm__ /*volatile*/ (
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@ -794,7 +800,8 @@ static MOO_INLINE moo_uint64_t moo_bswap64 (moo_uint64_t x)
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__asm__ /*volatile*/ ("bswapq %0" : "=r"(x) : "0"(x));
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return x;
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#elif defined(__GNUC__) && defined(__aarch64__)
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__asm__ /*volatile*/ ("rev64 %0, %0" : "+r"(x));
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__asm__ /*volatile*/ ("rev %0, %0" : "+r"(x));
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return x;
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#else
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return ((x >> 56)) |
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((x >> 40) & ((moo_uint64_t)0xff << 8)) |
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@ -837,17 +844,28 @@ static MOO_INLINE moo_uint128_t moo_bswap128 (moo_uint128_t x)
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#else
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#if defined(MOO_HAVE_UINT16_T)
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# if defined(MOO_HAVE_BUILTIN_BSWAP16)
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# define moo_bswap16(x) ((moo_uint16_t)__builtin_bswap16((moo_uint16_t)(x)))
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# else
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# define moo_bswap16(x) ((moo_uint16_t)(((moo_uint16_t)(x)) << 8) | (((moo_uint16_t)(x)) >> 8))
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# endif
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#endif
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#if defined(MOO_HAVE_UINT32_T)
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# if defined(MOO_HAVE_BUILTIN_BSWAP32)
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# define moo_bswap32(x) ((moo_uint32_t)__builtin_bswap32((moo_uint32_t)(x)))
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# else
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# define moo_bswap32(x) ((moo_uint32_t)(((((moo_uint32_t)(x)) >> 24)) | \
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((((moo_uint32_t)(x)) >> 8) & ((moo_uint32_t)0xff << 8)) | \
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((((moo_uint32_t)(x)) << 8) & ((moo_uint32_t)0xff << 16)) | \
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((((moo_uint32_t)(x)) << 24))))
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# endif
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#endif
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#if defined(MOO_HAVE_UINT64_T)
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# if defined(MOO_HAVE_BUILTIN_BSWAP64)
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# define moo_bswap64(x) ((moo_uint64_t)__builtin_bswap64((moo_uint64_t)(x)))
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# else
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# define moo_bswap64(x) ((moo_uint64_t)(((((moo_uint64_t)(x)) >> 56)) | \
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((((moo_uint64_t)(x)) >> 40) & ((moo_uint64_t)0xff << 8)) | \
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((((moo_uint64_t)(x)) >> 24) & ((moo_uint64_t)0xff << 16)) | \
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@ -857,8 +875,12 @@ static MOO_INLINE moo_uint128_t moo_bswap128 (moo_uint128_t x)
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((((moo_uint64_t)(x)) << 40) & ((moo_uint64_t)0xff << 48)) | \
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((((moo_uint64_t)(x)) << 56))))
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# endif
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#endif
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#if defined(MOO_HAVE_UINT128_T)
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# if defined(MOO_HAVE_BUILTIN_BSWAP128)
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# define moo_bswap128(x) ((moo_uint128_t)__builtin_bswap128((moo_uint128_t)(x)))
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# else
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# define moo_bswap128(x) ((moo_uint128_t)(((((moo_uint128_t)(x)) >> 120)) | \
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((((moo_uint128_t)(x)) >> 104) & ((moo_uint128_t)0xff << 8)) | \
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((((moo_uint128_t)(x)) >> 88) & ((moo_uint128_t)0xff << 16)) | \
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@ -876,6 +898,7 @@ static MOO_INLINE moo_uint128_t moo_bswap128 (moo_uint128_t x)
|
||||
((((moo_uint128_t)(x)) << 104) & ((moo_uint128_t)0xff << 112)) | \
|
||||
((((moo_uint128_t)(x)) << 120))))
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#endif /* MOO_HAVE_INLINE */
|
||||
|
||||
@ -961,9 +984,92 @@ static MOO_INLINE moo_uint128_t moo_bswap128 (moo_uint128_t x)
|
||||
# error UNKNOWN ENDIAN
|
||||
#endif
|
||||
|
||||
/* =========================================================================
|
||||
* BIT POSITION
|
||||
* ========================================================================= */
|
||||
static MOO_INLINE int moo_get_pos_of_msb_set_pow2 (moo_oow_t x)
|
||||
{
|
||||
/* the caller must ensure that x is power of 2. if x happens to be zero,
|
||||
* the return value is undefined as each method used may give different result. */
|
||||
#if defined(MOO_HAVE_BUILTIN_CTZLL) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_LONG_LONG)
|
||||
return __builtin_ctzll(x); /* count the number of trailing zeros */
|
||||
#elif defined(MOO_HAVE_BUILTIN_CTZL) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_LONG)
|
||||
return __builtin_ctzl(x); /* count the number of trailing zeros */
|
||||
#elif defined(MOO_HAVE_BUILTIN_CTZ) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_INT)
|
||||
return __builtin_ctz(x); /* count the number of trailing zeros */
|
||||
#elif defined(__GNUC__) && (defined(__x86_64) || defined(__amd64) || defined(__i386) || defined(i386))
|
||||
moo_oow_t pos;
|
||||
/* use the Bit Scan Forward instruction */
|
||||
#if 1
|
||||
__asm__ volatile (
|
||||
"bsf %1,%0\n\t"
|
||||
: "=r"(pos) /* output */
|
||||
: "r"(x) /* input */
|
||||
);
|
||||
#else
|
||||
__asm__ volatile (
|
||||
"bsf %[X],%[EXP]\n\t"
|
||||
: [EXP]"=r"(pos) /* output */
|
||||
: [X]"r"(x) /* input */
|
||||
);
|
||||
#endif
|
||||
return (int)pos;
|
||||
#elif defined(__GNUC__) && defined(__aarch64__) || (defined(__arm__) && (defined(__ARM_ARCH) && (__ARM_ARCH >= 5)))
|
||||
moo_oow_t n;
|
||||
/* CLZ is available in ARMv5T and above. there is no instruction to
|
||||
* count trailing zeros or something similar. using RBIT with CLZ
|
||||
* would be good in ARMv6T2 and above to avoid further calculation
|
||||
* afte CLZ */
|
||||
__asm__ volatile (
|
||||
"clz %0,%1\n\t"
|
||||
: "=r"(n) /* output */
|
||||
: "r"(x) /* input */
|
||||
);
|
||||
return (int)(MOO_OOW_BITS - n - 1);
|
||||
/* TODO: PPC - use cntlz, cntlzw, cntlzd, SPARC - use lzcnt, MIPS clz */
|
||||
#else
|
||||
int pos = 0;
|
||||
while (x >>= 1) pos++;
|
||||
return pos;
|
||||
#endif
|
||||
}
|
||||
|
||||
static MOO_INLINE int moo_get_pos_of_msb_set (moo_oow_t x)
|
||||
{
|
||||
/* x doesn't have to be power of 2. if x is zero, the result is undefined */
|
||||
#if defined(MOO_HAVE_BUILTIN_CLZLL) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_LONG_LONG)
|
||||
return MOO_OOW_BITS - __builtin_clzll(x) - 1; /* count the number of leading zeros */
|
||||
#elif defined(MOO_HAVE_BUILTIN_CLZL) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_LONG)
|
||||
return MOO_OOW_BITS - __builtin_clzl(x) - 1; /* count the number of leading zeros */
|
||||
#elif defined(MOO_HAVE_BUILTIN_CLZ) && (MOO_SIZEOF_OOW_T == MOO_SIZEOF_INT)
|
||||
return MOO_OOW_BITS - __builtin_clz(x) - 1; /* count the number of leading zeros */
|
||||
#elif defined(__GNUC__) && (defined(__x86_64) || defined(__amd64) || defined(__i386) || defined(i386))
|
||||
/* bit scan reverse. not all x86 CPUs have LZCNT. */
|
||||
moo_oow_t pos;
|
||||
__asm__ volatile (
|
||||
"bsr %1,%0\n\t"
|
||||
: "=r"(pos) /* output */
|
||||
: "r"(x) /* input */
|
||||
);
|
||||
return (int)pos;
|
||||
#elif defined(__GNUC__) && defined(__aarch64__) || (defined(__arm__) && (defined(__ARM_ARCH) && (__ARM_ARCH >= 5)))
|
||||
moo_oow_t n;
|
||||
__asm__ volatile (
|
||||
"clz %0,%1\n\t"
|
||||
: "=r"(n) /* output */
|
||||
: "r"(x) /* input */
|
||||
);
|
||||
return (int)(MOO_OOW_BITS - n - 1);
|
||||
/* TODO: PPC - use cntlz, cntlzw, cntlzd, SPARC - use lzcnt, MIPS clz */
|
||||
#else
|
||||
int pos = 0;
|
||||
while (x >>= 1) pos++;
|
||||
return pos;
|
||||
#endif
|
||||
}
|
||||
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
@ -153,11 +153,7 @@ typedef struct moo_obj_byte_t* moo_oop_byte_t;
|
||||
typedef struct moo_obj_halfword_t* moo_oop_halfword_t;
|
||||
typedef struct moo_obj_word_t* moo_oop_word_t;
|
||||
|
||||
#define MOO_OOW_BITS (MOO_SIZEOF_OOW_T * 8)
|
||||
#define MOO_OOI_BITS (MOO_SIZEOF_OOI_T * 8)
|
||||
#define MOO_OOP_BITS (MOO_SIZEOF_OOP_T * 8)
|
||||
#define MOO_OOHW_BITS (MOO_SIZEOF_OOHW_T * 8)
|
||||
|
||||
#define MOO_OOP_BITS (MOO_SIZEOF_OOP_T * MOO_BITS_PER_BYTE)
|
||||
|
||||
/* =========================================================================
|
||||
* BIGINT TYPES AND MACROS
|
||||
@ -174,7 +170,7 @@ typedef struct moo_obj_word_t* moo_oop_word_t;
|
||||
# define MOO_SIZEOF_LIW_T MOO_SIZEOF_OOW_T
|
||||
# define MOO_SIZEOF_LIDW_T MOO_SIZEOF_UINTMAX_T
|
||||
# define MOO_LIW_BITS MOO_OOW_BITS
|
||||
# define MOO_LIDW_BITS (MOO_SIZEOF_UINTMAX_T * 8)
|
||||
# define MOO_LIDW_BITS (MOO_SIZEOF_UINTMAX_T * MOO_BITS_PER_BYTE)
|
||||
|
||||
typedef moo_oop_word_t moo_oop_liword_t;
|
||||
# define MOO_OBJ_TYPE_LIWORD MOO_OBJ_TYPE_WORD
|
||||
|
||||
@ -256,7 +256,7 @@ static MOO_INLINE int _store_raw_int (moo_t* moo, moo_uint8_t* rawptr, moo_oow_t
|
||||
}
|
||||
|
||||
/* assume 2's complement */
|
||||
max = (moo_ooi_t)(~(moo_oow_t)0 >> ((MOO_SIZEOF_OOW_T - size) * 8 + 1));
|
||||
max = (moo_ooi_t)(~(moo_oow_t)0 >> ((MOO_SIZEOF_OOW_T - size) * MOO_BITS_PER_BYTE + 1));
|
||||
min = -max - 1;
|
||||
|
||||
if (w > max || w < min)
|
||||
@ -314,7 +314,7 @@ static MOO_INLINE int _store_raw_uint (moo_t* moo, moo_uint8_t* rawptr, moo_oow_
|
||||
return -1;
|
||||
}
|
||||
|
||||
max = (~(moo_oow_t)0 >> ((MOO_SIZEOF_OOW_T - size) * 8));
|
||||
max = (~(moo_oow_t)0 >> ((MOO_SIZEOF_OOW_T - size) * MOO_BITS_PER_BYTE));
|
||||
if (w > max)
|
||||
{
|
||||
moo_seterrbfmt (moo, MOO_ERANGE, "value %ju out of supported range for raw unsigned memory store", w);
|
||||
|
||||
@ -404,7 +404,7 @@ moo_bch_t* moo_find_bchar_in_bcstr (const moo_bch_t* ptr, moo_bch_t c)
|
||||
|
||||
moo_oow_t moo_byte_to_bcstr (moo_uint8_t byte, moo_bch_t* buf, moo_oow_t size, int flagged_radix, moo_bch_t fill)
|
||||
{
|
||||
moo_bch_t tmp[(MOO_SIZEOF(moo_uint8_t) * 8)];
|
||||
moo_bch_t tmp[(MOO_SIZEOF(moo_uint8_t) * MOO_BITS_PER_BYTE)];
|
||||
moo_bch_t* p = tmp, * bp = buf, * be = buf + size - 1;
|
||||
int radix;
|
||||
moo_bch_t radix_char;
|
||||
|
||||
@ -16,5 +16,6 @@ if WIN32
|
||||
LDADD += $(SOCKET_LIBS)
|
||||
endif
|
||||
|
||||
bin_PROGRAMS = t-001
|
||||
bin_PROGRAMS = t-001 t-002
|
||||
t_001_SOURCES = t-001.c
|
||||
t_002_SOURCES = t-002.c
|
||||
|
||||
@ -89,7 +89,7 @@ POST_UNINSTALL = :
|
||||
build_triplet = @build@
|
||||
host_triplet = @host@
|
||||
@WIN32_TRUE@am__append_1 = $(SOCKET_LIBS)
|
||||
bin_PROGRAMS = t-001$(EXEEXT)
|
||||
bin_PROGRAMS = t-001$(EXEEXT) t-002$(EXEEXT)
|
||||
subdir = t
|
||||
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
|
||||
am__aclocal_m4_deps = $(top_srcdir)/m4/ax_check_sign.m4 \
|
||||
@ -110,9 +110,13 @@ PROGRAMS = $(bin_PROGRAMS)
|
||||
am_t_001_OBJECTS = t-001.$(OBJEXT)
|
||||
t_001_OBJECTS = $(am_t_001_OBJECTS)
|
||||
t_001_LDADD = $(LDADD)
|
||||
am_t_002_OBJECTS = t-002.$(OBJEXT)
|
||||
t_002_OBJECTS = $(am_t_002_OBJECTS)
|
||||
t_002_LDADD = $(LDADD)
|
||||
am__DEPENDENCIES_1 =
|
||||
@WIN32_TRUE@am__DEPENDENCIES_2 = $(am__DEPENDENCIES_1)
|
||||
t_001_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
|
||||
t_002_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
|
||||
AM_V_lt = $(am__v_lt_@AM_V@)
|
||||
am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
|
||||
am__v_lt_0 = --silent
|
||||
@ -151,8 +155,8 @@ AM_V_CCLD = $(am__v_CCLD_@AM_V@)
|
||||
am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
|
||||
am__v_CCLD_0 = @echo " CCLD " $@;
|
||||
am__v_CCLD_1 =
|
||||
SOURCES = $(t_001_SOURCES)
|
||||
DIST_SOURCES = $(t_001_SOURCES)
|
||||
SOURCES = $(t_001_SOURCES) $(t_002_SOURCES)
|
||||
DIST_SOURCES = $(t_001_SOURCES) $(t_002_SOURCES)
|
||||
am__can_run_installinfo = \
|
||||
case $$AM_UPDATE_INFO_DIR in \
|
||||
n|no|NO) false;; \
|
||||
@ -344,6 +348,7 @@ AM_CPPFLAGS = \
|
||||
AM_LDFLAGS = -L$(abs_builddir)/../lib -L$(libdir)
|
||||
LDADD = -lmoo $(PTHREAD_LIBS) $(am__append_1)
|
||||
t_001_SOURCES = t-001.c
|
||||
t_002_SOURCES = t-002.c
|
||||
all: all-am
|
||||
|
||||
.SUFFIXES:
|
||||
@ -431,6 +436,10 @@ t-001$(EXEEXT): $(t_001_OBJECTS) $(t_001_DEPENDENCIES) $(EXTRA_t_001_DEPENDENCIE
|
||||
@rm -f t-001$(EXEEXT)
|
||||
$(AM_V_CCLD)$(LINK) $(t_001_OBJECTS) $(t_001_LDADD) $(LIBS)
|
||||
|
||||
t-002$(EXEEXT): $(t_002_OBJECTS) $(t_002_DEPENDENCIES) $(EXTRA_t_002_DEPENDENCIES)
|
||||
@rm -f t-002$(EXEEXT)
|
||||
$(AM_V_CCLD)$(LINK) $(t_002_OBJECTS) $(t_002_LDADD) $(LIBS)
|
||||
|
||||
mostlyclean-compile:
|
||||
-rm -f *.$(OBJEXT)
|
||||
|
||||
@ -438,6 +447,7 @@ distclean-compile:
|
||||
-rm -f *.tab.c
|
||||
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/t-001.Po@am__quote@
|
||||
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/t-002.Po@am__quote@
|
||||
|
||||
.c.o:
|
||||
@am__fastdepCC_TRUE@ $(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
|
||||
|
||||
35
moo/t/t-002.c
Normal file
35
moo/t/t-002.c
Normal file
@ -0,0 +1,35 @@
|
||||
/* test bit position functions */
|
||||
|
||||
#include <moo-utl.h>
|
||||
#include <stdio.h>
|
||||
#include "t.h"
|
||||
|
||||
int main ()
|
||||
{
|
||||
int i, j;
|
||||
moo_oow_t v;
|
||||
|
||||
printf ("QSE_OOW_BITS => %d, sizeof(moo_oow_t)=%d\n", (int)MOO_OOW_BITS, (int)sizeof(moo_oow_t));
|
||||
for (i = 0; i < MOO_OOW_BITS; i++)
|
||||
{
|
||||
v = ((moo_oow_t)1 << i);
|
||||
j = moo_get_pos_of_msb_set_pow2(v);
|
||||
printf ("msb(pow2) %d %d ==> %llx\n", i, j, (long long int)v);
|
||||
T_ASSERT1 (i == j, "msb(pow2) position tester");
|
||||
}
|
||||
|
||||
for (i = 0; i < MOO_OOW_BITS; i++)
|
||||
{
|
||||
v = ((moo_oow_t)1 << i);
|
||||
v |= 1;
|
||||
j = moo_get_pos_of_msb_set(v);
|
||||
printf ("msb %d %d ==> %llx\n", i, j, (long long int)v);
|
||||
T_ASSERT1 (i == j, "msb position tester");
|
||||
}
|
||||
|
||||
|
||||
return 0;
|
||||
|
||||
oops:
|
||||
return -1;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user