X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Flonglong.h;h=6c24564bd3e846db05c16ca367df25e093e3fa63;hb=0c8e56a848b9ad7a1008870b974b017c59efc2a4;hp=0f5d05ffe2d357df2d546b96670bd4839e2043f3;hpb=8e80b4520e259086551b61242488a1c9f1000f47;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/longlong.h b/gcc/longlong.h index 0f5d05ffe2d..6c24564bd3e 100644 --- a/gcc/longlong.h +++ b/gcc/longlong.h @@ -1,11 +1,11 @@ /* longlong.h -- definitions for mixed size 32/64 bit arithmetic. - Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2004 - Free Software Foundation, Inc. + Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2004, + 2005, 2007 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 License as published by the Free Software Foundation; either - version 2, or (at your option) any later version. + version 3, or (at your option) any later version. This definition file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied @@ -13,9 +13,8 @@ See the GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + along with this program; see the file COPYING3. If not see + . */ /* You have to define the following before including this file: @@ -29,8 +28,7 @@ DItype, UDItype -- Signed and unsigned 64 bit types. On a 32 bit machine UWtype should typically be USItype; - on a 64 bit machine, UWtype should typically be UDItype. -*/ + on a 64 bit machine, UWtype should typically be UDItype. */ #define __BITS4 (W_TYPE_SIZE / 4) #define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2)) @@ -44,10 +42,12 @@ #define UDWtype UDItype #endif +extern const UQItype __clz_tab[256]; + /* Define auxiliary asm macros. - 1) umul_ppmm(high_prod, low_prod, multipler, multiplicand) multiplies two - UWtype integers MULTIPLER and MULTIPLICAND, and generates a two UWtype + 1) umul_ppmm(high_prod, low_prod, multiplier, multiplicand) multiplies two + UWtype integers MULTIPLIER and MULTIPLICAND, and generates a two UWtype word product in HIGH_PROD and LOW_PROD. 2) __umulsidi3(a,b) multiplies two UWtype integers A and B, and returns a @@ -129,7 +129,6 @@ extern UDItype __udiv_qrnnd (UDItype *, UDItype, UDItype, UDItype); #define count_trailing_zeros(COUNT,X) ((COUNT) = __builtin_ctzl (X)) #define COUNT_LEADING_ZEROS_0 64 #else -extern const UQItype __clz_tab[] ATTRIBUTE_HIDDEN; #define count_leading_zeros(COUNT,X) \ do { \ UDItype __xr = (X), __t, __a; \ @@ -194,7 +193,7 @@ UDItype __umulsidi3 (USItype, USItype); : "%r" ((USItype) (ah)), \ "rI" ((USItype) (bh)), \ "%r" ((USItype) (al)), \ - "rI" ((USItype) (bl))) + "rI" ((USItype) (bl)) __CLOBBER_CC) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("subs %1, %4, %5\n\tsbc %0, %2, %3" \ : "=r" ((USItype) (sh)), \ @@ -202,7 +201,7 @@ UDItype __umulsidi3 (USItype, USItype); : "r" ((USItype) (ah)), \ "rI" ((USItype) (bh)), \ "r" ((USItype) (al)), \ - "rI" ((USItype) (bl))) + "rI" ((USItype) (bl)) __CLOBBER_CC) #define umul_ppmm(xh, xl, a, b) \ {register USItype __t0, __t1, __t2; \ __asm__ ("%@ Inlined umul_ppmm\n" \ @@ -222,11 +221,18 @@ UDItype __umulsidi3 (USItype, USItype); "=r" ((USItype) (xl)), \ "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ : "r" ((USItype) (a)), \ - "r" ((USItype) (b)));} + "r" ((USItype) (b)) __CLOBBER_CC );} #define UMUL_TIME 20 #define UDIV_TIME 100 #endif /* __arm__ */ +#if defined (__CRIS__) && __CRIS_arch_version >= 3 +#define count_leading_zeros(COUNT, X) ((COUNT) = __builtin_clz (X)) +#if __CRIS_arch_version >= 8 +#define count_trailing_zeros(COUNT, X) ((COUNT) = __builtin_ctz (X)) +#endif +#endif /* __CRIS__ */ + #if defined (__hppa) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("add %4,%5,%1\n\taddc %2,%3,%0" \ @@ -313,7 +319,7 @@ UDItype __umulsidi3 (USItype, USItype); #if (defined (__i386__) || defined (__i486__)) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("addl %5,%1\n\tadcl %3,%0" \ + __asm__ ("add{l} {%5,%1|%1,%5}\n\tadc{l} {%3,%0|%0,%3}" \ : "=r" ((USItype) (sh)), \ "=&r" ((USItype) (sl)) \ : "%0" ((USItype) (ah)), \ @@ -321,7 +327,7 @@ UDItype __umulsidi3 (USItype, USItype); "%1" ((USItype) (al)), \ "g" ((USItype) (bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("subl %5,%1\n\tsbbl %3,%0" \ + __asm__ ("sub{l} {%5,%1|%1,%5}\n\tsbb{l} {%3,%0|%0,%3}" \ : "=r" ((USItype) (sh)), \ "=&r" ((USItype) (sl)) \ : "0" ((USItype) (ah)), \ @@ -329,31 +335,60 @@ UDItype __umulsidi3 (USItype, USItype); "1" ((USItype) (al)), \ "g" ((USItype) (bl))) #define umul_ppmm(w1, w0, u, v) \ - __asm__ ("mull %3" \ + __asm__ ("mul{l} %3" \ : "=a" ((USItype) (w0)), \ "=d" ((USItype) (w1)) \ : "%0" ((USItype) (u)), \ "rm" ((USItype) (v))) #define udiv_qrnnd(q, r, n1, n0, dv) \ - __asm__ ("divl %4" \ + __asm__ ("div{l} %4" \ : "=a" ((USItype) (q)), \ "=d" ((USItype) (r)) \ : "0" ((USItype) (n0)), \ "1" ((USItype) (n1)), \ "rm" ((USItype) (dv))) -#define count_leading_zeros(count, x) \ - do { \ - USItype __cbtmp; \ - __asm__ ("bsrl %1,%0" \ - : "=r" (__cbtmp) : "rm" ((USItype) (x))); \ - (count) = __cbtmp ^ 31; \ - } while (0) -#define count_trailing_zeros(count, x) \ - __asm__ ("bsfl %1,%0" : "=r" (count) : "rm" ((USItype)(x))) +#define count_leading_zeros(count, x) ((count) = __builtin_clz (x)) +#define count_trailing_zeros(count, x) ((count) = __builtin_ctz (x)) #define UMUL_TIME 40 #define UDIV_TIME 40 #endif /* 80x86 */ +#if (defined (__x86_64__) || defined (__i386__)) && W_TYPE_SIZE == 64 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ + __asm__ ("add{q} {%5,%1|%1,%5}\n\tadc{q} {%3,%0|%0,%3}" \ + : "=r" ((UDItype) (sh)), \ + "=&r" ((UDItype) (sl)) \ + : "%0" ((UDItype) (ah)), \ + "rme" ((UDItype) (bh)), \ + "%1" ((UDItype) (al)), \ + "rme" ((UDItype) (bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ + __asm__ ("sub{q} {%5,%1|%1,%5}\n\tsbb{q} {%3,%0|%0,%3}" \ + : "=r" ((UDItype) (sh)), \ + "=&r" ((UDItype) (sl)) \ + : "0" ((UDItype) (ah)), \ + "rme" ((UDItype) (bh)), \ + "1" ((UDItype) (al)), \ + "rme" ((UDItype) (bl))) +#define umul_ppmm(w1, w0, u, v) \ + __asm__ ("mul{q} %3" \ + : "=a" ((UDItype) (w0)), \ + "=d" ((UDItype) (w1)) \ + : "%0" ((UDItype) (u)), \ + "rm" ((UDItype) (v))) +#define udiv_qrnnd(q, r, n1, n0, dv) \ + __asm__ ("div{q} %4" \ + : "=a" ((UDItype) (q)), \ + "=d" ((UDItype) (r)) \ + : "0" ((UDItype) (n0)), \ + "1" ((UDItype) (n1)), \ + "rm" ((UDItype) (dv))) +#define count_leading_zeros(count, x) ((count) = __builtin_clzl (x)) +#define count_trailing_zeros(count, x) ((count) = __builtin_ctzl (x)) +#define UMUL_TIME 40 +#define UDIV_TIME 40 +#endif /* x86_64 */ + #if defined (__i960__) && W_TYPE_SIZE == 32 #define umul_ppmm(w1, w0, u, v) \ ({union {UDItype __ll; \ @@ -376,17 +411,17 @@ UDItype __umulsidi3 (USItype, USItype); #if defined (__M32R__) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ /* The cmp clears the condition bit. */ \ - __asm__ ("cmp %0,%0\n\taddx %%5,%1\n\taddx %%3,%0" \ + __asm__ ("cmp %0,%0\n\taddx %1,%5\n\taddx %0,%3" \ : "=r" ((USItype) (sh)), \ "=&r" ((USItype) (sl)) \ - : "%0" ((USItype) (ah)), \ + : "0" ((USItype) (ah)), \ "r" ((USItype) (bh)), \ - "%1" ((USItype) (al)), \ + "1" ((USItype) (al)), \ "r" ((USItype) (bl)) \ : "cbit") #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ /* The cmp clears the condition bit. */ \ - __asm__ ("cmp %0,%0\n\tsubx %5,%1\n\tsubx %3,%0" \ + __asm__ ("cmp %0,%0\n\tsubx %1,%5\n\tsubx %0,%3" \ : "=r" ((USItype) (sh)), \ "=&r" ((USItype) (sl)) \ : "0" ((USItype) (ah)), \ @@ -521,6 +556,11 @@ UDItype __umulsidi3 (USItype, USItype); __asm__ ("bfffo %1{%b2:%b2},%0" \ : "=d" ((USItype) (count)) \ : "od" ((USItype) (x)), "n" (0)) +/* Some ColdFire architectures have a ff1 instruction supported via + __builtin_clz. */ +#elif defined (__mcfisaaplus__) || defined (__mcfisac__) +#define count_leading_zeros(count,x) ((count) = __builtin_clz (x)) +#define COUNT_LEADING_ZEROS_0 32 #endif #endif /* mc68000 */ @@ -591,6 +631,11 @@ UDItype __umulsidi3 (USItype, USItype); "d" ((USItype) (v))) #define UMUL_TIME 10 #define UDIV_TIME 100 + +#if (__mips == 32 || __mips == 64) && ! __mips16 +#define count_leading_zeros(COUNT,X) ((COUNT) = __builtin_clz (X)) +#define COUNT_LEADING_ZEROS_0 32 +#endif #endif /* __mips__ */ #if defined (__ns32000__) && W_TYPE_SIZE == 32 @@ -639,7 +684,9 @@ UDItype __umulsidi3 (USItype, USItype); || defined (__powerpc__) /* gcc */ \ || defined (__POWERPC__) /* BEOS */ \ || defined (__ppc__) /* Darwin */ \ - || defined (PPC) /* GNU/Linux, SysV */ \ + || (defined (PPC) && ! defined (CPU_FAMILY)) /* gcc 2.7.x GNU&SysV */ \ + || (defined (PPC) && defined (CPU_FAMILY) /* VxWorks */ \ + && CPU_FAMILY == PPC) \ ) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ do { \ @@ -677,7 +724,10 @@ UDItype __umulsidi3 (USItype, USItype); __asm__ ("{cntlz|cntlzw} %0,%1" : "=r" (count) : "r" (x)) #define COUNT_LEADING_ZEROS_0 32 #if defined (_ARCH_PPC) || defined (__powerpc__) || defined (__POWERPC__) \ - || defined (__ppc__) || defined (PPC) + || defined (__ppc__) \ + || (defined (PPC) && ! defined (CPU_FAMILY)) /* gcc 2.7.x GNU&SysV */ \ + || (defined (PPC) && defined (CPU_FAMILY) /* VxWorks */ \ + && CPU_FAMILY == PPC) #define umul_ppmm(ph, pl, m0, m1) \ do { \ USItype __m0 = (m0), __m1 = (m1); \ @@ -826,18 +876,51 @@ UDItype __umulsidi3 (USItype, USItype); } while (0) #endif -#if defined (__sh2__) && W_TYPE_SIZE == 32 +#if defined(__sh__) && !__SHMEDIA__ && W_TYPE_SIZE == 32 +#ifndef __sh1__ #define umul_ppmm(w1, w0, u, v) \ __asm__ ( \ - "dmulu.l %2,%3\n\tsts macl,%1\n\tsts mach,%0" \ - : "=r" ((USItype)(w1)), \ - "=r" ((USItype)(w0)) \ + "dmulu.l %2,%3\n\tsts%M1 macl,%1\n\tsts%M0 mach,%0" \ + : "=r<" ((USItype)(w1)), \ + "=r<" ((USItype)(w0)) \ : "r" ((USItype)(u)), \ "r" ((USItype)(v)) \ : "macl", "mach") #define UMUL_TIME 5 #endif +/* This is the same algorithm as __udiv_qrnnd_c. */ +#define UDIV_NEEDS_NORMALIZATION 1 + +#define udiv_qrnnd(q, r, n1, n0, d) \ + do { \ + extern UWtype __udiv_qrnnd_16 (UWtype, UWtype) \ + __attribute__ ((visibility ("hidden"))); \ + /* r0: rn r1: qn */ /* r0: n1 r4: n0 r5: d r6: d1 */ /* r2: __m */ \ + __asm__ ( \ + "mov%M4 %4,r5\n" \ +" swap.w %3,r4\n" \ +" swap.w r5,r6\n" \ +" jsr @%5\n" \ +" shll16 r6\n" \ +" swap.w r4,r4\n" \ +" jsr @%5\n" \ +" swap.w r1,%0\n" \ +" or r1,%0" \ + : "=r" (q), "=&z" (r) \ + : "1" (n1), "r" (n0), "rm" (d), "r" (&__udiv_qrnnd_16) \ + : "r1", "r2", "r4", "r5", "r6", "pr"); \ + } while (0) + +#define UDIV_TIME 80 + +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ + __asm__ ("clrt;subc %5,%1; subc %4,%0" \ + : "=r" (sh), "=r" (sl) \ + : "0" (ah), "1" (al), "r" (bh), "r" (bl)) + +#endif /* __sh__ */ + #if defined (__SH5__) && __SHMEDIA__ && W_TYPE_SIZE == 32 #define __umulsidi3(u,v) ((UDItype)(USItype)u*(USItype)v) #define count_leading_zeros(count, x) \ @@ -1151,6 +1234,23 @@ UDItype __umulsidi3 (USItype, USItype); } while (0) #endif /* __vax__ */ +#if defined (__xtensa__) && W_TYPE_SIZE == 32 +/* This code is not Xtensa-configuration-specific, so rely on the compiler + to expand builtin functions depending on what configuration features + are available. This avoids library calls when the operation can be + performed in-line. */ +#define umul_ppmm(w1, w0, u, v) \ + do { \ + DWunion __w; \ + __w.ll = __builtin_umulsidi3 (u, v); \ + w1 = __w.s.high; \ + w0 = __w.s.low; \ + } while (0) +#define __umulsidi3(u, v) __builtin_umulsidi3 (u, v) +#define count_leading_zeros(COUNT, X) ((COUNT) = __builtin_clz (X)) +#define count_trailing_zeros(COUNT, X) ((COUNT) = __builtin_ctz (X)) +#endif /* __xtensa__ */ + #if defined (__z8000__) && W_TYPE_SIZE == 16 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("add %H1,%H5\n\tadc %H0,%H3" \ @@ -1312,7 +1412,6 @@ UDItype __umulsidi3 (USItype, USItype); #endif #if !defined (count_leading_zeros) -extern const UQItype __clz_tab[] ATTRIBUTE_HIDDEN; #define count_leading_zeros(count, x) \ do { \ UWtype __xr = (x); \