diff options
Diffstat (limited to 'longlong.h')
| -rw-r--r-- | longlong.h | 65 |
1 files changed, 64 insertions, 1 deletions
diff --git a/longlong.h b/longlong.h index 3eb75c234..5a2637a19 100644 --- a/longlong.h +++ b/longlong.h @@ -1,7 +1,7 @@ /* longlong.h -- definitions for mixed size 32/64 bit arithmetic. Copyright 1991, 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001, 2002, 2003, -2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc. +2004, 2005, 2007, 2008, 2009, 2011 Free Software Foundation, Inc. This file is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free @@ -677,6 +677,69 @@ extern UWtype __MPN(udiv_qrnnd) _PROTO ((UWtype *, UWtype, UWtype, UWtype)); } while (0) #endif +#if defined (__s390x__) && W_TYPE_SIZE == 64 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ + do { \ + if (__builtin_constant_p (bl) && (UDItype)(bl) < 0x100000000ul) \ + __asm__ ("algfi\t%1, %5\n\talcgr\t%0, %3" \ + : "=r" (sh), "=&r" (sl) \ + : "0" ((UDItype)(ah)), "r" ((UDItype)(bh)), \ + "%1" ((UDItype)(al)), "n" ((UDItype)(bl))); \ + else \ + __asm__ ("algr\t%1, %5\n\talcgr\t%0, %3" \ + : "=r" (sh), "=&r" (sl) \ + : "0" ((UDItype)(ah)), "r" ((UDItype)(bh)), \ + "%1" ((UDItype)(al)), "r" ((UDItype)(bl))); \ + } while (0) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ + do { \ + if (__builtin_constant_p (bl) && (UDItype)(bl) < 0x100000000ul) \ + __asm__ ("slgfi\t%1, %n5\n\tslbgr\t%0, %3" \ + : "=r" (sh), "=&r" (sl) \ + : "0" ((UDItype)(ah)), "r" ((UDItype)(bh)), \ + "1" ((UDItype)(al)), "n" ((UDItype)(bl))); \ + else if (__builtin_constant_p (bl) && -(UDItype)(bl) < 0x100000000ul) \ + __asm__ ("algfi\t%1, %n5\n\tslbgr\t%0, %3" \ + : "=r" (sh), "=&r" (sl) \ + : "0" ((UDItype)(ah)), "r" ((UDItype)(bh)), \ + "1" ((UDItype)(al)), "n" (-(UDItype)(bl))); \ + else \ + __asm__ ("slgr\t%1, %5\n\tslbgr\t%0, %3" \ + : "=r" (sh), "=&r" (sl) \ + : "0" ((UDItype)(ah)), "r" ((UDItype)(bh)), \ + "1" ((UDItype)(al)), "r" ((UDItype)(bl))); \ + } while (0) +#define umul_ppmm(xh, xl, m0, m1) \ + do { \ + union {unsigned int __attribute__ ((mode(TI))) __ll; \ + struct {UDItype __h, __l;} __i; \ + } __x; \ + __asm__ ("mlgr\t%0, %2" \ + : "=&r" (__x.__ll) \ + : "%0" ((UDItype)(m0)), "r" ((UDItype)(m1))); \ + (xh) = __x.__i.__h; (xl) = __x.__i.__l; \ + } while (0) +#define udiv_qrnnd(q, r, n1, n0, d) \ + do { \ + union {unsigned int __attribute__ ((mode(TI))) __ll; \ + struct {UDItype __h, __l;} __i; \ + } __x; \ + __x.__i.__h = n1; __x.__i.__l = n0; \ + __asm__ ("dlgr\t%0, %2" \ + : "=r" (__x.__ll) \ + : "0" (__x.__ll), "r" (d)); \ + (q) = __x.__i.__l; (r) = __x.__i.__h; \ + } while (0) +#define count_leading_zeros(cnt, x) \ + do { \ + union {unsigned int __attribute__ ((mode(TI))) __ll; \ + struct {UDItype __h, __l;} __i; \ + } __clr_cnt; \ + __asm__ ("flogr\t%0, %1" : "=r" (__clr_cnt.__ll) : "r" (x)); \ + (cnt) = __clr_cnt.__i.__h; \ + } while (0) +#endif + #if (defined (__i386__) || defined (__i486__)) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("addl %5,%k1\n\tadcl %3,%k0" \ |