Skip to content

R
riscv-gcc-1
Commit d83dd29a by Torbjorn Granlund
Options

*** 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.
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
and/or modify it under the terms of the GNU General Public
......@@ -68,7 +68,17 @@
Please add support for more CPUs here, or improve the current support
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)
......@@ -76,30 +86,43 @@
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add %1,%4,%5
addc %0,%2,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl)) \
: "%r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)), \
"%r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("sub %1,%4,%5
subc %0,%2,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl)) \
: "r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)), \
"r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "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) \
do { \
unsigned long int __m0 = (m0), __m1 = (m1); \
__asm__ ("multiplu %0,%1,%2" : "=r" ((unsigned long int)(xl)) \
: "r" (__m0), "r" (__m1)); \
__asm__ ("multmu %0,%1,%2" : "=r" ((unsigned long int)(xh)) \
: "r" (__m0), "r" (__m1)); \
__asm__ ("multiplu %0,%1,%2" \
: "=r" ((unsigned long int)(xl)) \
: "r" (__m0), \
"r" (__m1)); \
__asm__ ("multmu %0,%1,%2" \
: "=r" ((unsigned long int)(xh)) \
: "r" (__m0), \
"r" (__m1)); \
} while (0)
#define udiv_qrnnd(q, r, n1, n0, d) \
__asm__ ("dividu %0,%3,%4" \
: "=r" ((unsigned long int)(q)), "=q" ((unsigned long int)(r)) \
: "1" ((unsigned long int)(n1)), "r" ((unsigned long int)(n0)), \
"r" ((unsigned long int)(d)))
: "=r" ((unsigned long int)(q)), \
"=q" ((unsigned long int)(r)) \
: "1" ((unsigned long int)(n1)), \
"r" ((unsigned long int)(n0)), \
"r" ((unsigned long int)(d)))
#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)))
#endif /* __a29k__ */
......@@ -107,82 +130,135 @@
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("adds %1,%4,%5
adc %0,%2,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl)) \
: "%r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)), \
"%r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("subs %1,%4,%5
sbc %0,%2,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl)) \
: "r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)), \
"r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "r" ((unsigned long int)(ah)), \
"rI" ((unsigned long int)(bh)), \
"r" ((unsigned long int)(al)), \
"rI" ((unsigned long int)(bl)))
#endif /* __arm__ */
#if defined (__gmicro__)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add.w %5,%1
addx %3,%0" \
: "=g" ((unsigned long int)(sh)), "=&g" ((unsigned long int)(sl))\
: "%0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \
"%1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl)))
: "=g" ((unsigned long int)(sh)), \
"=&g" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("sub.w %5,%1
subx %3,%0" \
: "=g" ((unsigned long int)(sh)), "=&g" ((unsigned long int)(sl))\
: "0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl)))
: "=g" ((unsigned long int)(sh)), \
"=&g" ((unsigned long int)(sl)) \
: "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) \
__asm__ ("mulx %3,%0,%1" \
: "=g" ((unsigned long int)(ph)), "=r" ((unsigned long int)(pl))\
: "%0" ((unsigned long int)(m0)), "g" ((unsigned long int)(m1)))
: "=g" ((unsigned long int)(ph)), \
"=r" ((unsigned long int)(pl)) \
: "%0" ((unsigned long int)(m0)), \
"g" ((unsigned long int)(m1)))
#define udiv_qrnnd(q, r, nh, nl, d) \
__asm__ ("divx %4,%0,%1" \
: "=g" ((unsigned long int)(q)), "=r" ((unsigned long int)(r)) \
: "1" ((unsigned long int)(nh)), "0" ((unsigned long int)(nl)), \
"g" ((unsigned long int)(d)))
: "=g" ((unsigned long int)(q)), \
"=r" ((unsigned long int)(r)) \
: "1" ((unsigned long int)(nh)), \
"0" ((unsigned long int)(nl)), \
"g" ((unsigned long int)(d)))
#define count_leading_zeros(count, x) \
__asm__ ("bsch/1 %1,%0" \
: "=g" (count) \
: "g" ((unsigned long int)(x)), "0" (0UL))
: "=g" (count) \
: "g" ((unsigned long int)(x)), \
"0" (0UL))
#endif
#if defined (__hppa)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add %4,%5,%1
addc %2,%3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "%r" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)),\
"%r" ((unsigned long int)(al)), "r" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("sub %5,%4,%1
subb %3,%2,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "r" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)), \
"r" ((unsigned long int)(al)), "r" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "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
#if defined (__i386__) || defined (__i486__)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addl %5,%1
adcl %3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "%0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \
"%1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("subl %5,%1
sbbl %3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "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) \
__asm__ ("mull %3" \
: "=a" ((unsigned long int)(w0)), "=d" ((unsigned long int)(w1))\
: "%0" ((unsigned long int)(u)), "rm" ((unsigned long int)(v)))
: "=a" ((unsigned long int)(w0)), \
"=d" ((unsigned long int)(w1)) \
: "%0" ((unsigned long int)(u)), \
"rm" ((unsigned long int)(v)))
#define udiv_qrnnd(q, r, n1, n0, d) \
__asm__ ("divl %4" \
: "=a" ((unsigned long int)(q)), "=d" ((unsigned long int)(r)) \
: "0" ((unsigned long int)(n0)), "1" ((unsigned long int)(n1)), \
"rm" ((unsigned long int)(d)))
: "=a" ((unsigned long int)(q)), \
"=d" ((unsigned long int)(r)) \
: "0" ((unsigned long int)(n0)), \
"1" ((unsigned long int)(n1)), \
"rm" ((unsigned long int)(d)))
#define count_leading_zeros(count, x) \
do { \
unsigned long int __cbtmp; \
......@@ -190,6 +266,8 @@
: "=r" (__cbtmp) : "rm" ((unsigned long int)(x))); \
(count) = __cbtmp ^ 31; \
} while (0)
#define UMUL_TIME 40
#define UDIV_TIME 40
#endif /* 80x86 */
#if defined (__i860__)
......@@ -229,109 +307,99 @@
#if defined (___IBMR2__) /* IBM RS6000 */
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("a %1,%4,%5
__asm__ ("a%I5 %1,%4,%5
ae %0,%2,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "%r" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)),\
"%r" ((unsigned long int)(al)), "r" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("sf %1,%5,%4
__asm__ ("sf%I4 %1,%5,%4
sfe %0,%3,%2" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "r" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)), \
"r" ((unsigned long int)(al)), "r" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "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) \
do { \
unsigned long int __m0 = (m0), __m1 = (m1); \
__asm__ ("mul %0,%2,%3" \
: "=r" ((unsigned long int)(xh)), "=q" ((unsigned long int)(xl))\
: "r" (__m0), "r" (__m1)); \
: "=r" ((unsigned long int)(xh)), \
"=q" ((unsigned long int)(xl)) \
: "r" (__m0), \
"r" (__m1)); \
(xh) += ((((signed long int) __m0 >> 31) & __m1) \
+ (((signed long int) __m1 >> 31) & __m0)); \
} 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
#if 0 /* Overflow for nh>=FFFFFFFE, d==FFFFFFFF. Find a good fix later. */
#define udiv_qrnnd(q, r, nh, nl, d) \
do { /* Use the signed "div" insn, and adjust the result. */ \
unsigned long int __q, __r, __nh, __nl, __d, __xh, __xl; \
__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 sdiv_qrnnd(q, r, nh, nl, d) \
__asm__ ("div %0,%2,%4" \
: "=r" (q), "=q" (r) \
: "r" (nh), "1" (nl), "r" (d))
#define UDIV_TIME 40
#define UDIV_NEEDS_NORMALIZATION 1
#endif
#define count_leading_zeros(count, x) \
__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__ */
#if defined (__mc68000__)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("add%.l %5,%1
addx%.l %3,%0" \
: "=d" ((unsigned long int)(sh)), "=&d" ((unsigned long int)(sl))\
: "%0" ((unsigned long int)(ah)), "d" ((unsigned long int)(bh)), \
"%1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl)))
: "=d" ((unsigned long int)(sh)), \
"=&d" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("sub%.l %5,%1
subx%.l %3,%0" \
: "=d" ((unsigned long int)(sh)), "=&d" ((unsigned long int)(sl))\
: "0" ((unsigned long int)(ah)), "d" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl)))
: "=d" ((unsigned long int)(sh)), \
"=&d" ((unsigned long int)(sl)) \
: "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)
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("mulu%.l %3,%1:%0" \
: "=d" ((unsigned long int)(w0)), "=d" ((unsigned long int)(w1))\
: "%0" ((unsigned long int)(u)), "dmi" ((unsigned long int)(v)))
: "=d" ((unsigned long int)(w0)), \
"=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) \
__asm__ ("divu%.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)))
: "=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 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) \
__asm__ ("bfffo %1{%b2:%b2},%0" \
: "=d" ((unsigned long int)(count)) \
: "od" ((unsigned long int)(x)), "n" (0))
: "=d" ((unsigned long int)(count)) \
: "od" ((unsigned long int)(x)), "n" (0))
#else /* not mc68020 */
#define umul_ppmm(xh, xl, a, b) \
__asm__ ("| Inlined umul_ppmm
......@@ -360,9 +428,13 @@
movel d2,%1
addl d1,d0
movel d0,%0" \
: "=g" ((unsigned long int)(xh)), "=g" ((unsigned long int)(xl)) \
:"g" ((unsigned long int)(a)), "g" ((unsigned long int)(b)) \
: "d0", "d1", "d2", "d3", "d4")
: "=g" ((unsigned long int)(xh)), \
"=g" ((unsigned long int)(xl)) \
: "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 /* mc68000 */
......@@ -370,24 +442,55 @@
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addu.co %1,%r4,%r5
addu.ci %0,%r2,%r3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "%rJ" ((unsigned long int)(ah)), "rJ" ((unsigned long int)(bh)),\
"%rJ" ((unsigned long int)(al)), "rJ" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("subu.co %1,%r4,%r5
subu.ci %0,%r2,%r3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "rJ" ((unsigned long int)(ah)), "rJ" ((unsigned long int)(bh)),\
"rJ" ((unsigned long int)(al)), "rJ" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "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 UDIV_TIME 150
#define count_leading_zeros(count, x) \
do { \
unsigned long int __cbtmp; \
__asm__ ("ff1 %0,%1" \
: "=r" (__cbtmp) : "r" ((unsigned long int)(x))); \
: "=r" (__cbtmp) \
: "r" ((unsigned long int)(x))); \
(count) = __cbtmp ^ 31; \
} 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__ */
#if defined (__mips__)
......@@ -395,8 +498,10 @@
__asm__ ("multu %2,%3
mflo %0
mfhi %1" \
: "=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)(w1)) \
: "r" ((unsigned long int)(u)), \
"r" ((unsigned long int)(v)))
#define UMUL_TIME 5
#define UDIV_TIME 100
#endif /* __mips__ */
......@@ -404,57 +509,75 @@
#if defined (__ns32000__)
#define __umulsidi3(u, v) \
({long long int __w; \
__asm__ ("meid %2,%0" : "=g" (__w) \
: "%0" ((unsigned long int)(u)), "g" ((unsigned long int)(v))); \
__w; })
__asm__ ("meid %2,%0" \
: "=g" (__w) \
: "%0" ((unsigned long int)(u)), \
"g" ((unsigned long int)(v))); \
__w; })
#define div_qrnnd(q, r, n1, n0, d) \
__asm__ ("movd %2,r0
movd %3,r1
deid %4,r0
movd r1,%0
movd r0,%1" \
: "=g" ((unsigned long int)(q)), "=g" ((unsigned long int)(r)) \
: "g" ((unsigned long int)(n0)), "g" ((unsigned long int)(n1)), \
"g" ((unsigned long int)(d)) : "r0", "r1")
: "=g" ((unsigned long int)(q)), \
"=g" ((unsigned long int)(r)) \
: "g" ((unsigned long int)(n0)), \
"g" ((unsigned long int)(n1)), \
"g" ((unsigned long int)(d)) \
: "r0", "r1")
#endif /* __ns32000__ */
#if defined (__pyr__)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addw %5,%1
addwc %3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "%0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)),\
"%1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("subw %5,%1
subwb %3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "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. */
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("movw %2,tr11
uemul %3,tr10
movw tr10,%0
movw tr11,%1" \
: "=r" ((unsigned long int)(w1)), "=r" ((unsigned long int)(w0))\
: "r" ((unsigned long int)(u)), "r" ((unsigned long int)(v)) \
: "tr10", "tr11")
({union {long long int ll;struct {unsigned long int h, l;} i;} __xx; \
__xx.i.l = u; \
__asm__ ("uemul %3,%0" \
: "=r" (__xx.i.h), \
"=r" (__xx.i.l) \
: "1" (__xx.i.l), \
"g" (v)); \
(w1) = __xx.i.h; (w0) = __xx.i.l;})
#endif /* __pyr__ */
#if defined (__ibm032__) /* RT/ROMP */
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("a %1,%5
ae %0,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "%0" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)),\
"%1" ((unsigned long int)(al)), "r" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("s %1,%5
se %0,%3" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "0" ((unsigned long int)(ah)), "r" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), "r" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "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) \
do { \
unsigned long int __m0 = (m0), __m1 = (m1); \
......@@ -479,12 +602,16 @@
m r2,%3
cas %0,r2,r0
mfs r10,%1" \
: "=r" ((unsigned long int)(ph)), "=r" ((unsigned long int)(pl)) \
: "%r" (__m0), "r" (__m1) \
: "r2"); \
: "=r" ((unsigned long int)(ph)), \
"=r" ((unsigned long int)(pl)) \
: "%r" (__m0), \
"r" (__m1) \
: "r2"); \
(ph) += ((((signed long int) __m0 >> 31) & __m1) \
+ (((signed long int) __m1 >> 31) & __m0)); \
} while (0)
#define UMUL_TIME 20
#define UDIV_TIME 200
#define count_leading_zeros(count, x) \
do { \
if ((x) >= 0x10000) \
......@@ -505,25 +632,37 @@
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addcc %4,%5,%1
addx %2,%3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "%r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)),\
"%r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("subcc %4,%5,%1
subx %2,%3,%0" \
: "=r" ((unsigned long int)(sh)), "=&r" ((unsigned long int)(sl))\
: "r" ((unsigned long int)(ah)), "rI" ((unsigned long int)(bh)),\
"r" ((unsigned long int)(al)), "rI" ((unsigned long int)(bl)))
: "=r" ((unsigned long int)(sh)), \
"=&r" ((unsigned long int)(sl)) \
: "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? */
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("umul %2,%3,%1;rd %%y,%0" \
: "=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)(w0)) \
: "r" ((unsigned long int)(u)), \
"r" ((unsigned long int)(v)))
#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"\
: "=&r" ((unsigned long int)(q)), "=&r" ((unsigned long int)(r))\
: "r" ((unsigned long int)(n1)), "r" ((unsigned long int)(n0)), \
"r" ((unsigned long int)(d)))
: "=&r" ((unsigned long int)(q)), \
"=&r" ((unsigned long int)(r)) \
: "r" ((unsigned long int)(n1)), \
"r" ((unsigned long int)(n0)), \
"r" ((unsigned long int)(d)))
#else
/* 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) */
......@@ -568,9 +707,11 @@
mulscc %%g1,0,%%g1
add %%g1,%%g2,%0
rd %%y,%1" \
: "=r" ((unsigned long int)(w1)), "=r" ((unsigned long int)(w0))\
: "%rI" ((unsigned long int)(u)), "r" ((unsigned long int)(v)) \
: "%g1", "%g2")
: "=r" ((unsigned long int)(w1)), \
"=r" ((unsigned long int)(w0)) \
: "%rI" ((unsigned long int)(u)), \
"r" ((unsigned long int)(v)) \
: "%g1", "%g2" __AND_CLOBBER_CC)
#define UMUL_TIME 39 /* 39 instructions */
/* It's quite necessary to add this much assembler for the sparc.
The default udiv_qrnnd (in C) is more than 10 times slower! */
......@@ -599,32 +740,42 @@
sub %1,%2,%1
3: xnor %0,0,%0
! End of inline udiv_qrnnd" \
: "=r&" ((unsigned long int)(q)), "=r&" ((unsigned long int)(r))\
: "r" ((unsigned long int)(d)), "1" ((unsigned long int)(n1)), \
"0" ((unsigned long int)(n0)) : "%g1")
: "=&r" ((unsigned long int)(q)), \
"=&r" ((unsigned long int)(r)) \
: "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. */
#endif
#endif /* __sparc8__ */
#endif /* __sparc__ */
#if defined (__vax__)
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addl2 %5,%1
adwc %3,%0" \
: "=g" ((unsigned long int)(sh)), "=&g" ((unsigned long int)(sl))\
: "%0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)),\
"%1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl)))
: "=g" ((unsigned long int)(sh)), \
"=&g" ((unsigned long int)(sl)) \
: "%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) \
__asm__ ("subl2 %5,%1
sbwc %3,%0" \
: "=g" ((unsigned long int)(sh)), "=&g" ((unsigned long int)(sl))\
: "0" ((unsigned long int)(ah)), "g" ((unsigned long int)(bh)), \
"1" ((unsigned long int)(al)), "g" ((unsigned long int)(bl)))
: "=g" ((unsigned long int)(sh)), \
"=&g" ((unsigned long int)(sl)) \
: "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) \
do { \
union {long long int ll;struct {unsigned long int l, h;} i;} __xx; \
unsigned long int __m0 = (m0), __m1 = (m1); \
__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) += ((((signed long int) __m0 >> 31) & __m1) \
+ (((signed long int) __m1 >> 31) & __m0)); \
......@@ -688,12 +839,8 @@
__w.ll; })
#endif
#if !defined (udiv_qrnnd) || defined (__LLDEBUG__)
#define UDIV_NEEDS_NORMALIZATION 1
#ifndef __LLDEBUG__
#define udiv_qrnnd udiv_qrnnd_c
#endif
#define udiv_qrnnd_c(q, r, n1, n0, d) \
/* Define this unconditionally, so it can be used for debugging. */
#define __udiv_qrnnd_c(q, r, n1, n0, d) \
do { \
unsigned int __d1, __d0, __q1, __q0; \
unsigned long int __r1, __r0, __m; \
......@@ -729,21 +876,33 @@
(q) = (unsigned long int) __q1 * __ll_B | __q0; \
(r) = __r0; \
} 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
#if !defined (count_leading_zeros)
extern const unsigned char __clz_tab[];
#define count_leading_zeros(count, x) \
do { \
unsigned long int xr = (x); \
unsigned int a; \
unsigned long int __xr = (x); \
unsigned int __a; \
\
a = xr < (1<<2*__BITS4) \
? (xr < (1<<__BITS4) ? 0 : __BITS4) \
: (xr < (1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \
if (LONG_TYPE_SIZE <= 32) \
{ \
__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)
#endif
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment