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riscv-gcc-1
Commit d83dd29a by Torbjorn Granlund
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*** empty log message *** 

From-SVN: r1046
parent c2a47e48
Showing with 361 additions and 202 deletions
gcc/longlong.h
/* longlong.h -- definitions for mixed size 32/64 bit arithmetic. /* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
Copyright (C) 1991 Free Software Foundation, Inc. Copyright (C) 1991, 1992 Free Software Foundation, Inc.
This definition file is free software; you can redistribute it This definition file is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public and/or modify it under the terms of the GNU General Public
...@@ -68,7 +68,17 @@ ...@@ -68,7 +68,17 @@
Please add support for more CPUs here, or improve the current support Please add support for more CPUs here, or improve the current support
for the CPUs below! for the CPUs below!
(E.g. WE32100, HP-PA (xmpyu?), i960, IBM360, TRON.) */ (E.g. WE32100, i960, IBM360.) */
/* We sometimes need to clobber "cc" with gcc2, but that would not be
understood by gcc1. Use cpp to avoid major code duplication. */
#if __GNUC__ < 2
#define __CLOBBER_CC
#define __AND_CLOBBER_CC
#else /* __GNUC__ >= 2 */
#define __CLOBBER_CC : "cc"
#define __AND_CLOBBER_CC , "cc"
#endif /* __GNUC__ < 2 */
#if defined (__GNUC__) && !defined (NO_ASM) #if defined (__GNUC__) && !defined (NO_ASM)
...@@ -76,30 +86,43 @@ ...@@ -76,30 +86,43 @@
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add %1,%4,%5 __asm__ ("add %1,%4,%5
addc %0,%2,%3" \ addc %0,%2,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl)) \ : "=r" ((unsigned long int)(sh)), \
: "%r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)), \ "=&r" ((unsigned long int)(sl)) \
"%r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl))) : "%r" ((unsigned long int)(ah)), \
"rI" ((unsigned long int)(bh)), \
"%r" ((unsigned long int)(al)), \
"rI" ((unsigned long int)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("sub %1,%4,%5 __asm__ ("sub %1,%4,%5
subc %0,%2,%3" \ subc %0,%2,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl)) \ : "=r" ((unsigned long int)(sh)), \
: "r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)), \ "=&r" ((unsigned long int)(sl)) \
"r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl))) : "r" ((unsigned long int)(ah)), \
"rI" ((unsigned long int)(bh)), \
"r" ((unsigned long int)(al)), \
"rI" ((unsigned long int)(bl)))
#define umul_ppmm(xh, xl, m0, m1) \ #define umul_ppmm(xh, xl, m0, m1) \
do { \ do { \
unsigned long int __m0 = (m0), __m1 = (m1); \ unsigned long int __m0 = (m0), __m1 = (m1); \
__asm__ ("multiplu %0,%1,%2" : "=r" ((unsigned long int)(xl)) \ __asm__ ("multiplu %0,%1,%2" \
: "r" (__m0), "r" (__m1)); \ : "=r" ((unsigned long int)(xl)) \
__asm__ ("multmu %0,%1,%2" : "=r" ((unsigned long int)(xh)) \ : "r" (__m0), \
: "r" (__m0), "r" (__m1)); \ "r" (__m1)); \
__asm__ ("multmu %0,%1,%2" \
: "=r" ((unsigned long int)(xh)) \
: "r" (__m0), \
"r" (__m1)); \
} while (0) } while (0)
#define udiv_qrnnd(q, r, n1, n0, d) \ #define udiv_qrnnd(q, r, n1, n0, d) \
__asm__ ("dividu %0,%3,%4" \ __asm__ ("dividu %0,%3,%4" \
: "=r" ((unsigned long int)(q)), "=q" ((unsigned long int)(r)) \ : "=r" ((unsigned long int)(q)), \
: "1" ((unsigned long int)(n1)), "r" ((unsigned long int)(n0)), \ "=q" ((unsigned long int)(r)) \
"r" ((unsigned long int)(d))) : "1" ((unsigned long int)(n1)), \
"r" ((unsigned long int)(n0)), \
"r" ((unsigned long int)(d)))
#define count_leading_zeros(count, x) \ #define count_leading_zeros(count, x) \
__asm__ ("clz %0,%1" : "=r" ((unsigned long int)(count)) \ __asm__ ("clz %0,%1" \
: "=r" ((unsigned long int)(count)) \
: "r" ((unsigned long int)(x))) : "r" ((unsigned long int)(x)))
#endif /* __a29k__ */ #endif /* __a29k__ */
...@@ -107,82 +130,135 @@ ...@@ -107,82 +130,135 @@
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("adds %1,%4,%5 __asm__ ("adds %1,%4,%5
adc %0,%2,%3" \ adc %0,%2,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl)) \ : "=r" ((unsigned long int)(sh)), \
: "%r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)), \ "=&r" ((unsigned long int)(sl)) \
"%r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl))) : "%r" ((unsigned long int)(ah)), \
"rI" ((unsigned long int)(bh)), \
"%r" ((unsigned long int)(al)), \
"rI" ((unsigned long int)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("subs %1,%4,%5 __asm__ ("subs %1,%4,%5
sbc %0,%2,%3" \ sbc %0,%2,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl)) \ : "=r" ((unsigned long int)(sh)), \
: "r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)), \ "=&r" ((unsigned long int)(sl)) \
"r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl))) : "r" ((unsigned long int)(ah)), \
"rI" ((unsigned long int)(bh)), \
"r" ((unsigned long int)(al)), \
"rI" ((unsigned long int)(bl)))
#endif /* __arm__ */ #endif /* __arm__ */
#if defined (__gmicro__) #if defined (__gmicro__)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add.w %5,%1 __asm__ ("add.w %5,%1
addx %3,%0" \ addx %3,%0" \
: "=g" ((unsigned long int)(sh)), "=&g" ((unsigned long int)(sl))\ : "=g" ((unsigned long int)(sh)), \
: "%0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \ "=&g" ((unsigned long int)(sl)) \
"%1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl))) : "%0" ((unsigned long int)(ah)), \
"g" ((unsigned long int)(bh)), \
"%1" ((unsigned long int)(al)), \
"g" ((unsigned long int)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("sub.w %5,%1 __asm__ ("sub.w %5,%1
subx %3,%0" \ subx %3,%0" \
: "=g" ((unsigned long int)(sh)), "=&g" ((unsigned long int)(sl))\ : "=g" ((unsigned long int)(sh)), \
: "0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \ "=&g" ((unsigned long int)(sl)) \
"1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl))) : "0" ((unsigned long int)(ah)), \
"g" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), \
"g" ((unsigned long int)(bl)))
#define umul_ppmm(ph, pl, m0, m1) \ #define umul_ppmm(ph, pl, m0, m1) \
__asm__ ("mulx %3,%0,%1" \ __asm__ ("mulx %3,%0,%1" \
: "=g" ((unsigned long int)(ph)), "=r" ((unsigned long int)(pl))\ : "=g" ((unsigned long int)(ph)), \
: "%0" ((unsigned long int)(m0)), "g" ((unsigned long int)(m1))) "=r" ((unsigned long int)(pl)) \
: "%0" ((unsigned long int)(m0)), \
"g" ((unsigned long int)(m1)))
#define udiv_qrnnd(q, r, nh, nl, d) \ #define udiv_qrnnd(q, r, nh, nl, d) \
__asm__ ("divx %4,%0,%1" \ __asm__ ("divx %4,%0,%1" \
: "=g" ((unsigned long int)(q)), "=r" ((unsigned long int)(r)) \ : "=g" ((unsigned long int)(q)), \
: "1" ((unsigned long int)(nh)), "0" ((unsigned long int)(nl)), \ "=r" ((unsigned long int)(r)) \
"g" ((unsigned long int)(d))) : "1" ((unsigned long int)(nh)), \
"0" ((unsigned long int)(nl)), \
"g" ((unsigned long int)(d)))
#define count_leading_zeros(count, x) \ #define count_leading_zeros(count, x) \
__asm__ ("bsch/1 %1,%0" \ __asm__ ("bsch/1 %1,%0" \
: "=g" (count) \ : "=g" (count) \
: "g" ((unsigned long int)(x)), "0" (0UL)) : "g" ((unsigned long int)(x)), \
"0" (0UL))
#endif #endif
#if defined (__hppa) #if defined (__hppa)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add %4,%5,%1 __asm__ ("add %4,%5,%1
addc %2,%3,%0" \ addc %2,%3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "%r" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)),\ "=&r" ((unsigned long int)(sl)) \
"%r" ((unsigned long int)(al)), "r" ((unsigned long int)(bl))) : "%rM" ((unsigned long int)(ah)), \
"rM" ((unsigned long int)(bh)), \
"%rM" ((unsigned long int)(al)), \
"rM" ((unsigned long int)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("sub %5,%4,%1 __asm__ ("sub %5,%4,%1
subb %3,%2,%0" \ subb %3,%2,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "r" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)), \ "=&r" ((unsigned long int)(sl)) \
"r" ((unsigned long int)(al)), "r" ((unsigned long int)(bl))) : "rM" ((unsigned long int)(ah)), \
"rM" ((unsigned long int)(bh)), \
"rM" ((unsigned long int)(al)), \
"rM" ((unsigned long int)(bl)))
#if defined (_PA_RISC1_1)
#define umul_ppmm(w1, w0, u, v) \
do { \
union \
{ \
long long __f; \
struct {unsigned long int __w1, __w0;} __w1w0; \
} __t; \
__asm__ ("xmpyu %1,%2,%0" \
: "=x" (__t.__f) \
: "x" ((u)), \
"x" ((v))); \
(w1) = __t.__w1w0.__w1; \
(w0) = __t.__w1w0.__w0; \
} while (0)
#define UMUL_TIME 8
#else
#define UMUL_TIME 30
#endif
#define UDIV_TIME 40
#endif #endif
#if defined (__i386__) || defined (__i486__) #if defined (__i386__) || defined (__i486__)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addl %5,%1 __asm__ ("addl %5,%1
adcl %3,%0" \ adcl %3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "%0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \ "=&r" ((unsigned long int)(sl)) \
"%1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl))) : "%0" ((unsigned long int)(ah)), \
"g" ((unsigned long int)(bh)), \
"%1" ((unsigned long int)(al)), \
"g" ((unsigned long int)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("subl %5,%1 __asm__ ("subl %5,%1
sbbl %3,%0" \ sbbl %3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \ "=&r" ((unsigned long int)(sl)) \
"1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl))) : "0" ((unsigned long int)(ah)), \
"g" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), \
"g" ((unsigned long int)(bl)))
#define umul_ppmm(w1, w0, u, v) \ #define umul_ppmm(w1, w0, u, v) \
__asm__ ("mull %3" \ __asm__ ("mull %3" \
: "=a" ((unsigned long int)(w0)), "=d" ((unsigned long int)(w1))\ : "=a" ((unsigned long int)(w0)), \
: "%0" ((unsigned long int)(u)), "rm" ((unsigned long int)(v))) "=d" ((unsigned long int)(w1)) \
: "%0" ((unsigned long int)(u)), \
"rm" ((unsigned long int)(v)))
#define udiv_qrnnd(q, r, n1, n0, d) \ #define udiv_qrnnd(q, r, n1, n0, d) \
__asm__ ("divl %4" \ __asm__ ("divl %4" \
: "=a" ((unsigned long int)(q)), "=d" ((unsigned long int)(r)) \ : "=a" ((unsigned long int)(q)), \
: "0" ((unsigned long int)(n0)), "1" ((unsigned long int)(n1)), \ "=d" ((unsigned long int)(r)) \
"rm" ((unsigned long int)(d))) : "0" ((unsigned long int)(n0)), \
"1" ((unsigned long int)(n1)), \
"rm" ((unsigned long int)(d)))
#define count_leading_zeros(count, x) \ #define count_leading_zeros(count, x) \
do { \ do { \
unsigned long int __cbtmp; \ unsigned long int __cbtmp; \
...@@ -190,6 +266,8 @@ ...@@ -190,6 +266,8 @@
: "=r" (__cbtmp) : "rm" ((unsigned long int)(x))); \ : "=r" (__cbtmp) : "rm" ((unsigned long int)(x))); \
(count) = __cbtmp ^ 31; \ (count) = __cbtmp ^ 31; \
} while (0) } while (0)
#define UMUL_TIME 40
#define UDIV_TIME 40
#endif /* 80x86 */ #endif /* 80x86 */
#if defined (__i860__) #if defined (__i860__)
...@@ -229,109 +307,99 @@ ...@@ -229,109 +307,99 @@
#if defined (___IBMR2__) /* IBM RS6000 */ #if defined (___IBMR2__) /* IBM RS6000 */
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("a %1,%4,%5 __asm__ ("a%I5 %1,%4,%5
ae %0,%2,%3" \ ae %0,%2,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "%r" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)),\ "=&r" ((unsigned long int)(sl)) \
"%r" ((unsigned long int)(al)), "r" ((unsigned long int)(bl))) : "%r" ((unsigned long int)(ah)), \
"r" ((unsigned long int)(bh)), \
"%r" ((unsigned long int)(al)), \
"rI" ((unsigned long int)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("sf %1,%5,%4 __asm__ ("sf%I4 %1,%5,%4
sfe %0,%3,%2" \ sfe %0,%3,%2" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "r" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)), \ "=&r" ((unsigned long int)(sl)) \
"r" ((unsigned long int)(al)), "r" ((unsigned long int)(bl))) : "r" ((unsigned long int)(ah)), \
"r" ((unsigned long int)(bh)), \
"rI" ((unsigned long int)(al)), \
"r" ((unsigned long int)(bl)))
#define umul_ppmm(xh, xl, m0, m1) \ #define umul_ppmm(xh, xl, m0, m1) \
do { \ do { \
unsigned long int __m0 = (m0), __m1 = (m1); \ unsigned long int __m0 = (m0), __m1 = (m1); \
__asm__ ("mul %0,%2,%3" \ __asm__ ("mul %0,%2,%3" \
: "=r" ((unsigned long int)(xh)), "=q" ((unsigned long int)(xl))\ : "=r" ((unsigned long int)(xh)), \
: "r" (__m0), "r" (__m1)); \ "=q" ((unsigned long int)(xl)) \
: "r" (__m0), \
"r" (__m1)); \
(xh) += ((((signed long int) __m0 >> 31) & __m1) \ (xh) += ((((signed long int) __m0 >> 31) & __m1) \
+ (((signed long int) __m1 >> 31) & __m0)); \ + (((signed long int) __m1 >> 31) & __m0)); \
} while (0) } while (0)
#define smul_ppmm(xh, xl, m0, m1) \
__asm__ ("mul %0,%2,%3" \
: "=r" ((unsigned long int)(xh)), \
"=q" ((unsigned long int)(xl)) \
: "r" (m0), \
"r" (m1))
#define UMUL_TIME 8 #define UMUL_TIME 8
#if 0 /* Overflow for nh>=FFFFFFFE, d==FFFFFFFF. Find a good fix later. */ #define sdiv_qrnnd(q, r, nh, nl, d) \
#define udiv_qrnnd(q, r, nh, nl, d) \ __asm__ ("div %0,%2,%4" \
do { /* Use the signed "div" insn, and adjust the result. */ \ : "=r" (q), "=q" (r) \
unsigned long int __q, __r, __nh, __nl, __d, __xh, __xl; \ : "r" (nh), "1" (nl), "r" (d))
__nh = 0; \
__nl = (((unsigned long int)(nh)) << 30) | ((unsigned long int)(nl) >> 2);\
__nh = (unsigned long int)(nh) >> 2; \
__d = ((unsigned long int)(d) >> 1); \
__asm__ ("div %0,%2,%4" \
: "=r" (__q), "=q" (__r) \
: "r" (__nh), "1" (__nl), "r" (__d)); \
__q <<= 1; \
__asm__ ("mul %0,%2,%3" \
: "=r" (__xh), "=q" (__xl) \
: "r" (__q), "r" ((unsigned long int)(d))); \
__xh += (((signed long int) __q >> 31) & (d)) + __q; \
if ((nh) < __xh || ((nh) == __xh && (nl) < __xl)) \
{ \
do \
{ \
sub_ddmmss (__xh, __xl, __xh, __xl, 0, (d)); \
__q--; \
} \
while ((nh) < __xh || ((nh) == __xh && (nl) < __xl)); \
__xl = (nl) - __xl; \
} \
else \
{ \
sub_ddmmss (__xh, __xl, (nh), (nl), __xh, __xl); \
if (__xh != 0) \
{ \
do \
{ \
sub_ddmmss (__xh, __xl, __xh, __xl, 0, (d)); \
__q++; \
} \
while (__xh != 0); \
} \
if (__xl >= (d)) \
{ \
__xl -= (d); \
__q++; \
} \
} \
(q) = __q; \
(r) = __xl; \
} while (0)
#define UDIV_TIME 40 #define UDIV_TIME 40
#define UDIV_NEEDS_NORMALIZATION 1 #define UDIV_NEEDS_NORMALIZATION 1
#endif
#define count_leading_zeros(count, x) \ #define count_leading_zeros(count, x) \
__asm__ ("cntlz %0,%1" \ __asm__ ("cntlz %0,%1" \
: "=r" ((unsigned long int)(count)) : "r" ((unsigned long int)(x))) : "=r" ((unsigned long int)(count)) \
: "r" ((unsigned long int)(x)))
#endif /* ___IBMR2__ */ #endif /* ___IBMR2__ */
#if defined (__mc68000__) #if defined (__mc68000__)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add%.l %5,%1 __asm__ ("add%.l %5,%1
addx%.l %3,%0" \ addx%.l %3,%0" \
: "=d" ((unsigned long int)(sh)), "=&d" ((unsigned long int)(sl))\ : "=d" ((unsigned long int)(sh)), \
: "%0" ((unsigned long int)(ah)), "d" ((unsigned long int)(bh)), \ "=&d" ((unsigned long int)(sl)) \
"%1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl))) : "%0" ((unsigned long int)(ah)), \
"d" ((unsigned long int)(bh)), \
"%1" ((unsigned long int)(al)), \
"g" ((unsigned long int)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("sub%.l %5,%1 __asm__ ("sub%.l %5,%1
subx%.l %3,%0" \ subx%.l %3,%0" \
: "=d" ((unsigned long int)(sh)), "=&d" ((unsigned long int)(sl))\ : "=d" ((unsigned long int)(sh)), \
: "0" ((unsigned long int)(ah)), "d" ((unsigned long int)(bh)), \ "=&d" ((unsigned long int)(sl)) \
"1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl))) : "0" ((unsigned long int)(ah)), \
"d" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), \
"g" ((unsigned long int)(bl)))
#if defined (__mc68020__) || defined (__NeXT__) || defined(mc68020) #if defined (__mc68020__) || defined (__NeXT__) || defined(mc68020)
#define umul_ppmm(w1, w0, u, v) \ #define umul_ppmm(w1, w0, u, v) \
__asm__ ("mulu%.l %3,%1:%0" \ __asm__ ("mulu%.l %3,%1:%0" \
: "=d" ((unsigned long int)(w0)), "=d" ((unsigned long int)(w1))\ : "=d" ((unsigned long int)(w0)), \
: "%0" ((unsigned long int)(u)), "dmi" ((unsigned long int)(v))) "=d" ((unsigned long int)(w1)) \
: "%0" ((unsigned long int)(u)), \
"dmi" ((unsigned long int)(v)))
#define UMUL_TIME 45
#define udiv_qrnnd(q, r, n1, n0, d) \ #define udiv_qrnnd(q, r, n1, n0, d) \
__asm__ ("divu%.l %4,%1:%0" \ __asm__ ("divu%.l %4,%1:%0" \
: "=d" ((unsigned long int)(q)), "=d" ((unsigned long int)(r)) \ : "=d" ((unsigned long int)(q)), \
: "0" ((unsigned long int)(n0)), "1" ((unsigned long int)(n1)), \ "=d" ((unsigned long int)(r)) \
"dmi" ((unsigned long int)(d))) : "0" ((unsigned long int)(n0)), \
"1" ((unsigned long int)(n1)), \
"dmi" ((unsigned long int)(d)))
#define UDIV_TIME 90
#define sdiv_qrnnd(q, r, n1, n0, d) \
__asm__ ("divs%.l %4,%1:%0" \
: "=d" ((unsigned long int)(q)), \
"=d" ((unsigned long int)(r)) \
: "0" ((unsigned long int)(n0)), \
"1" ((unsigned long int)(n1)), \
"dmi" ((unsigned long int)(d)))
#define count_leading_zeros(count, x) \ #define count_leading_zeros(count, x) \
__asm__ ("bfffo %1{%b2:%b2},%0" \ __asm__ ("bfffo %1{%b2:%b2},%0" \
: "=d" ((unsigned long int)(count)) \ : "=d" ((unsigned long int)(count)) \
: "od" ((unsigned long int)(x)), "n" (0)) : "od" ((unsigned long int)(x)), "n" (0))
#else /* not mc68020 */ #else /* not mc68020 */
#define umul_ppmm(xh, xl, a, b) \ #define umul_ppmm(xh, xl, a, b) \
__asm__ ("| Inlined umul_ppmm __asm__ ("| Inlined umul_ppmm
...@@ -360,9 +428,13 @@ ...@@ -360,9 +428,13 @@
movel d2,%1 movel d2,%1
addl d1,d0 addl d1,d0
movel d0,%0" \ movel d0,%0" \
: "=g" ((unsigned long int)(xh)), "=g" ((unsigned long int)(xl)) \ : "=g" ((unsigned long int)(xh)), \
:"g" ((unsigned long int)(a)), "g" ((unsigned long int)(b)) \ "=g" ((unsigned long int)(xl)) \
: "d0", "d1", "d2", "d3", "d4") : "g" ((unsigned long int)(a)), \
"g" ((unsigned long int)(b)) \
: "d0", "d1", "d2", "d3", "d4")
#define UMUL_TIME 100
#define UDIV_TIME 400
#endif /* not mc68020 */ #endif /* not mc68020 */
#endif /* mc68000 */ #endif /* mc68000 */
...@@ -370,24 +442,55 @@ ...@@ -370,24 +442,55 @@
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addu.co %1,%r4,%r5 __asm__ ("addu.co %1,%r4,%r5
addu.ci %0,%r2,%r3" \ addu.ci %0,%r2,%r3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "%rJ" ((unsigned long int)(ah)), "rJ" ((unsigned long int)(bh)),\ "=&r" ((unsigned long int)(sl)) \
"%rJ" ((unsigned long int)(al)), "rJ" ((unsigned long int)(bl))) : "%rJ" ((unsigned long int)(ah)), \
"rJ" ((unsigned long int)(bh)), \
"%rJ" ((unsigned long int)(al)), \
"rJ" ((unsigned long int)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("subu.co %1,%r4,%r5 __asm__ ("subu.co %1,%r4,%r5
subu.ci %0,%r2,%r3" \ subu.ci %0,%r2,%r3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "rJ" ((unsigned long int)(ah)), "rJ" ((unsigned long int)(bh)),\ "=&r" ((unsigned long int)(sl)) \
"rJ" ((unsigned long int)(al)), "rJ" ((unsigned long int)(bl))) : "rJ" ((unsigned long int)(ah)), \
"rJ" ((unsigned long int)(bh)), \
"rJ" ((unsigned long int)(al)), \
"rJ" ((unsigned long int)(bl)))
#define UMUL_TIME 17 #define UMUL_TIME 17
#define UDIV_TIME 150 #define UDIV_TIME 150
#define count_leading_zeros(count, x) \ #define count_leading_zeros(count, x) \
do { \ do { \
unsigned long int __cbtmp; \ unsigned long int __cbtmp; \
__asm__ ("ff1 %0,%1" \ __asm__ ("ff1 %0,%1" \
: "=r" (__cbtmp) : "r" ((unsigned long int)(x))); \ : "=r" (__cbtmp) \
: "r" ((unsigned long int)(x))); \
(count) = __cbtmp ^ 31; \ (count) = __cbtmp ^ 31; \
} while (0) } while (0)
#if defined (__mc88110__)
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("mulu.d r10,%2,%3
or %0,r10,0
or %1,r11,0" \
: "=r" (w1), \
"=r" (w0) \
: "r" (u), \
"r" (v) \
: "r10", "r11")
#define udiv_qrnnd(q, r, n1, n0, d) \
__asm__ ("or r10,%2,0
or r11,%3,0
divu.d r10,r10,%4
mulu %1,%4,r11
subu %1,%3,%1
or %0,r11,0" \
: "=r" (q), \
"=&r" (r) \
: "r" (n1), \
"r" (n0), \
"r" (d) \
: "r10", "r11")
#endif
#endif /* __m88000__ */ #endif /* __m88000__ */
#if defined (__mips__) #if defined (__mips__)
...@@ -395,8 +498,10 @@ ...@@ -395,8 +498,10 @@
__asm__ ("multu %2,%3 __asm__ ("multu %2,%3
mflo %0 mflo %0
mfhi %1" \ mfhi %1" \
: "=r" ((unsigned long int)(w0)), "=r" ((unsigned long int)(w1))\ : "=r" ((unsigned long int)(w0)), \
: "r" ((unsigned long int)(u)), "r" ((unsigned long int)(v))) "=r" ((unsigned long int)(w1)) \
: "r" ((unsigned long int)(u)), \
"r" ((unsigned long int)(v)))
#define UMUL_TIME 5 #define UMUL_TIME 5
#define UDIV_TIME 100 #define UDIV_TIME 100
#endif /* __mips__ */ #endif /* __mips__ */
...@@ -404,57 +509,75 @@ ...@@ -404,57 +509,75 @@
#if defined (__ns32000__) #if defined (__ns32000__)
#define __umulsidi3(u, v) \ #define __umulsidi3(u, v) \
({long long int __w; \ ({long long int __w; \
__asm__ ("meid %2,%0" : "=g" (__w) \ __asm__ ("meid %2,%0" \
: "%0" ((unsigned long int)(u)), "g" ((unsigned long int)(v))); \ : "=g" (__w) \
__w; }) : "%0" ((unsigned long int)(u)), \
"g" ((unsigned long int)(v))); \
__w; })
#define div_qrnnd(q, r, n1, n0, d) \ #define div_qrnnd(q, r, n1, n0, d) \
__asm__ ("movd %2,r0 __asm__ ("movd %2,r0
movd %3,r1 movd %3,r1
deid %4,r0 deid %4,r0
movd r1,%0 movd r1,%0
movd r0,%1" \ movd r0,%1" \
: "=g" ((unsigned long int)(q)), "=g" ((unsigned long int)(r)) \ : "=g" ((unsigned long int)(q)), \
: "g" ((unsigned long int)(n0)), "g" ((unsigned long int)(n1)), \ "=g" ((unsigned long int)(r)) \
"g" ((unsigned long int)(d)) : "r0", "r1") : "g" ((unsigned long int)(n0)), \
"g" ((unsigned long int)(n1)), \
"g" ((unsigned long int)(d)) \
: "r0", "r1")
#endif /* __ns32000__ */ #endif /* __ns32000__ */
#if defined (__pyr__) #if defined (__pyr__)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addw %5,%1 __asm__ ("addw %5,%1
addwc %3,%0" \ addwc %3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "%0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)),\ "=&r" ((unsigned long int)(sl)) \
"%1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl))) : "%0" ((unsigned long int)(ah)), \
"g" ((unsigned long int)(bh)), \
"%1" ((unsigned long int)(al)), \
"g" ((unsigned long int)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("subw %5,%1 __asm__ ("subw %5,%1
subwb %3,%0" \ subwb %3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \ "=&r" ((unsigned long int)(sl)) \
"1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl))) : "0" ((unsigned long int)(ah)), \
"g" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), \
"g" ((unsigned long int)(bl)))
/* This insn doesn't work on ancient pyramids. */ /* This insn doesn't work on ancient pyramids. */
#define umul_ppmm(w1, w0, u, v) \ #define umul_ppmm(w1, w0, u, v) \
__asm__ ("movw %2,tr11 ({union {long long int ll;struct {unsigned long int h, l;} i;} __xx; \
uemul %3,tr10 __xx.i.l = u; \
movw tr10,%0 __asm__ ("uemul %3,%0" \
movw tr11,%1" \ : "=r" (__xx.i.h), \
: "=r" ((unsigned long int)(w1)), "=r" ((unsigned long int)(w0))\ "=r" (__xx.i.l) \
: "r" ((unsigned long int)(u)), "r" ((unsigned long int)(v)) \ : "1" (__xx.i.l), \
: "tr10", "tr11") "g" (v)); \
(w1) = __xx.i.h; (w0) = __xx.i.l;})
#endif /* __pyr__ */ #endif /* __pyr__ */
#if defined (__ibm032__) /* RT/ROMP */ #if defined (__ibm032__) /* RT/ROMP */
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("a %1,%5 __asm__ ("a %1,%5
ae %0,%3" \ ae %0,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "%0" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)),\ "=&r" ((unsigned long int)(sl)) \
"%1" ((unsigned long int)(al)), "r" ((unsigned long int)(bl))) : "%0" ((unsigned long int)(ah)), \
"r" ((unsigned long int)(bh)), \
"%1" ((unsigned long int)(al)), \
"r" ((unsigned long int)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("s %1,%5 __asm__ ("s %1,%5
se %0,%3" \ se %0,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "0" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)), \ "=&r" ((unsigned long int)(sl)) \
"1" ((unsigned long int)(al)), "r" ((unsigned long int)(bl))) : "0" ((unsigned long int)(ah)), \
"r" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), \
"r" ((unsigned long int)(bl)))
#define umul_ppmm(ph, pl, m0, m1) \ #define umul_ppmm(ph, pl, m0, m1) \
do { \ do { \
unsigned long int __m0 = (m0), __m1 = (m1); \ unsigned long int __m0 = (m0), __m1 = (m1); \
...@@ -479,12 +602,16 @@ ...@@ -479,12 +602,16 @@
m r2,%3 m r2,%3
cas %0,r2,r0 cas %0,r2,r0
mfs r10,%1" \ mfs r10,%1" \
: "=r" ((unsigned long int)(ph)), "=r" ((unsigned long int)(pl)) \ : "=r" ((unsigned long int)(ph)), \
: "%r" (__m0), "r" (__m1) \ "=r" ((unsigned long int)(pl)) \
: "r2"); \ : "%r" (__m0), \
"r" (__m1) \
: "r2"); \
(ph) += ((((signed long int) __m0 >> 31) & __m1) \ (ph) += ((((signed long int) __m0 >> 31) & __m1) \
+ (((signed long int) __m1 >> 31) & __m0)); \ + (((signed long int) __m1 >> 31) & __m0)); \
} while (0) } while (0)
#define UMUL_TIME 20
#define UDIV_TIME 200
#define count_leading_zeros(count, x) \ #define count_leading_zeros(count, x) \
do { \ do { \
if ((x) >= 0x10000) \ if ((x) >= 0x10000) \
...@@ -505,25 +632,37 @@ ...@@ -505,25 +632,37 @@
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addcc %4,%5,%1 __asm__ ("addcc %4,%5,%1
addx %2,%3,%0" \ addx %2,%3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "%r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)),\ "=&r" ((unsigned long int)(sl)) \
"%r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl))) : "%r" ((unsigned long int)(ah)), \
"rI" ((unsigned long int)(bh)), \
"%r" ((unsigned long int)(al)), \
"rI" ((unsigned long int)(bl)) \
__CLOBBER_CC)
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("subcc %4,%5,%1 __asm__ ("subcc %4,%5,%1
subx %2,%3,%0" \ subx %2,%3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\ : "=r" ((unsigned long int)(sh)), \
: "r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)),\ "=&r" ((unsigned long int)(sl)) \
"r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl))) : "r" ((unsigned long int)(ah)), \
"rI" ((unsigned long int)(bh)), \
"r" ((unsigned long int)(al)), \
"rI" ((unsigned long int)(bl)) \
__CLOBBER_CC)
#if defined (__sparc8__) /* How do we recog. version 8 SPARC? */ #if defined (__sparc8__) /* How do we recog. version 8 SPARC? */
#define umul_ppmm(w1, w0, u, v) \ #define umul_ppmm(w1, w0, u, v) \
__asm__ ("umul %2,%3,%1;rd %%y,%0" \ __asm__ ("umul %2,%3,%1;rd %%y,%0" \
: "=r" ((unsigned long int)(w1)), "=r" ((unsigned long int)(w0))\ : "=r" ((unsigned long int)(w1)), \
: "r" ((unsigned long int)(u)), "r" ((unsigned long int)(v))) "=r" ((unsigned long int)(w0)) \
: "r" ((unsigned long int)(u)), \
"r" ((unsigned long int)(v)))
#define udiv_qrnnd(q, r, n1, n0, d) \ #define udiv_qrnnd(q, r, n1, n0, d) \
__asm__ ("mov %2,%%y;nop;nop;nop;udiv %3,%4,%0;umul %0,%4,%1;sub %3,%1,%1"\ __asm__ ("mov %2,%%y;nop;nop;nop;udiv %3,%4,%0;umul %0,%4,%1;sub %3,%1,%1"\
: "=&r" ((unsigned long int)(q)), "=&r" ((unsigned long int)(r))\ : "=&r" ((unsigned long int)(q)), \
: "r" ((unsigned long int)(n1)), "r" ((unsigned long int)(n0)), \ "=&r" ((unsigned long int)(r)) \
"r" ((unsigned long int)(d))) : "r" ((unsigned long int)(n1)), \
"r" ((unsigned long int)(n0)), \
"r" ((unsigned long int)(d)))
#else #else
/* SPARC without integer multiplication and divide instructions. /* SPARC without integer multiplication and divide instructions.
(i.e. at least Sun4/20,40,60,65,75,110,260,280,330,360,380,470,490) */ (i.e. at least Sun4/20,40,60,65,75,110,260,280,330,360,380,470,490) */
...@@ -568,9 +707,11 @@ ...@@ -568,9 +707,11 @@
mulscc %%g1,0,%%g1 mulscc %%g1,0,%%g1
add %%g1,%%g2,%0 add %%g1,%%g2,%0
rd %%y,%1" \ rd %%y,%1" \
: "=r" ((unsigned long int)(w1)), "=r" ((unsigned long int)(w0))\ : "=r" ((unsigned long int)(w1)), \
: "%rI" ((unsigned long int)(u)), "r" ((unsigned long int)(v)) \ "=r" ((unsigned long int)(w0)) \
: "%g1", "%g2") : "%rI" ((unsigned long int)(u)), \
"r" ((unsigned long int)(v)) \
: "%g1", "%g2" __AND_CLOBBER_CC)
#define UMUL_TIME 39 /* 39 instructions */ #define UMUL_TIME 39 /* 39 instructions */
/* It's quite necessary to add this much assembler for the sparc. /* It's quite necessary to add this much assembler for the sparc.
The default udiv_qrnnd (in C) is more than 10 times slower! */ The default udiv_qrnnd (in C) is more than 10 times slower! */
...@@ -599,32 +740,42 @@ ...@@ -599,32 +740,42 @@
sub %1,%2,%1 sub %1,%2,%1
3: xnor %0,0,%0 3: xnor %0,0,%0
! End of inline udiv_qrnnd" \ ! End of inline udiv_qrnnd" \
: "=r&" ((unsigned long int)(q)), "=r&" ((unsigned long int)(r))\ : "=&r" ((unsigned long int)(q)), \
: "r" ((unsigned long int)(d)), "1" ((unsigned long int)(n1)), \ "=&r" ((unsigned long int)(r)) \
"0" ((unsigned long int)(n0)) : "%g1") : "r" ((unsigned long int)(d)), \
"1" ((unsigned long int)(n1)), \
"0" ((unsigned long int)(n0)) : "%g1" __AND_CLOBBER_CC)
#define UDIV_TIME (3+7*32) /* 7 instructions/iteration. 32 iterations. */ #define UDIV_TIME (3+7*32) /* 7 instructions/iteration. 32 iterations. */
#endif
#endif /* __sparc8__ */ #endif /* __sparc8__ */
#endif /* __sparc__ */
#if defined (__vax__) #if defined (__vax__)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addl2 %5,%1 __asm__ ("addl2 %5,%1
adwc %3,%0" \ adwc %3,%0" \
: "=g" ((unsigned long int)(sh)), "=&g" ((unsigned long int)(sl))\ : "=g" ((unsigned long int)(sh)), \
: "%0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)),\ "=&g" ((unsigned long int)(sl)) \
"%1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl))) : "%0" ((unsigned long int)(ah)), \
"g" ((unsigned long int)(bh)), \
"%1" ((unsigned long int)(al)), \
"g" ((unsigned long int)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("subl2 %5,%1 __asm__ ("subl2 %5,%1
sbwc %3,%0" \ sbwc %3,%0" \
: "=g" ((unsigned long int)(sh)), "=&g" ((unsigned long int)(sl))\ : "=g" ((unsigned long int)(sh)), \
: "0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \ "=&g" ((unsigned long int)(sl)) \
"1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl))) : "0" ((unsigned long int)(ah)), \
"g" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), \
"g" ((unsigned long int)(bl)))
#define umul_ppmm(xh, xl, m0, m1) \ #define umul_ppmm(xh, xl, m0, m1) \
do { \ do { \
union {long long int ll;struct {unsigned long int l, h;} i;} __xx; \ union {long long int ll;struct {unsigned long int l, h;} i;} __xx; \
unsigned long int __m0 = (m0), __m1 = (m1); \ unsigned long int __m0 = (m0), __m1 = (m1); \
__asm__ ("emul %1,%2,$0,%0" \ __asm__ ("emul %1,%2,$0,%0" \
: "=r" (__xx.ll) : "g" (__m0), "g" (__m1)); \ : "=r" (__xx.ll) \
: "g" (__m0), \
"g" (__m1)); \
(xh) = __xx.i.h; (xl) = __xx.i.l; \ (xh) = __xx.i.h; (xl) = __xx.i.l; \
(xh) += ((((signed long int) __m0 >> 31) & __m1) \ (xh) += ((((signed long int) __m0 >> 31) & __m1) \
+ (((signed long int) __m1 >> 31) & __m0)); \ + (((signed long int) __m1 >> 31) & __m0)); \
...@@ -688,12 +839,8 @@ ...@@ -688,12 +839,8 @@
__w.ll; }) __w.ll; })
#endif #endif
#if !defined (udiv_qrnnd) || defined (__LLDEBUG__) /* Define this unconditionally, so it can be used for debugging. */
#define UDIV_NEEDS_NORMALIZATION 1 #define __udiv_qrnnd_c(q, r, n1, n0, d) \
#ifndef __LLDEBUG__
#define udiv_qrnnd udiv_qrnnd_c
#endif
#define udiv_qrnnd_c(q, r, n1, n0, d) \
do { \ do { \
unsigned int __d1, __d0, __q1, __q0; \ unsigned int __d1, __d0, __q1, __q0; \
unsigned long int __r1, __r0, __m; \ unsigned long int __r1, __r0, __m; \
...@@ -729,21 +876,33 @@ ...@@ -729,21 +876,33 @@
(q) = (unsigned long int) __q1 * __ll_B | __q0; \ (q) = (unsigned long int) __q1 * __ll_B | __q0; \
(r) = __r0; \ (r) = __r0; \
} while (0) } while (0)
/* If udiv_qrnnd was not defined for this processor, use __udiv_qrnnd_c. */
#if !defined (udiv_qrnnd)
#define UDIV_NEEDS_NORMALIZATION 1
#define udiv_qrnnd __udiv_qrnnd_c
#endif #endif
#if !defined (count_leading_zeros) #if !defined (count_leading_zeros)
extern const unsigned char __clz_tab[]; extern const unsigned char __clz_tab[];
#define count_leading_zeros(count, x) \ #define count_leading_zeros(count, x) \
do { \ do { \
unsigned long int xr = (x); \ unsigned long int __xr = (x); \
unsigned int a; \ unsigned int __a; \
\ \
a = xr < (1<<2*__BITS4) \ if (LONG_TYPE_SIZE <= 32) \
? (xr < (1<<__BITS4) ? 0 : __BITS4) \ { \
: (xr < (1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \ __a = __xr < (1<<2*__BITS4) \
? (__xr < (1<<__BITS4) ? 0 : __BITS4) \
: (__xr < (1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \
} \
else \
{ \
for (__a = LONG_TYPE_SIZE - 8; __a > 0; __a -= 8) \
if (((__xr >> __a) & 0xff) != 0) \
break; \
} \
\ \
(count) = 4*__BITS4 - (__clz_tab[xr >> a] + a); \ (count) = LONG_TYPE_SIZE - (__clz_tab[__xr >> __a] + __a); \
} while (0) } while (0)
#endif #endif
......
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