I have tried to compile Mozilla 1.0 from the sources for the UltraSPARC platform. It got stuck at the following file: gcc -o e_pow.o -c -DOSTYPE=\"SunOS5\" -DOSARCH=\"SunOS\" -DOJI -I../../../dist/include/js -I../../../dist/include -I/net/jabba.opt/combi/gawrilow/mozilla/dist/include/nspr -I/usr/lib/include -I/usr/openwin/include -fPIC -I/usr/openwin/include -pedantic -Wno-long-long -mcpu=ultrasparc -fshort-wchar -pthreads -DNDEBUG -DTRIMMED -O3 -D_IEEE_LIBM -I/usr/openwin/include -include ../../../config-defs.h -DMOZILLA_CLIENT -Wp,-MD,.deps/e_pow.pp e_pow.c e_pow.c: In function `__ieee754_pow': e_pow.c:376: insn does not satisfy its constraints: (insn 1875 777 1878 (set (reg:DI 34 %f2) (reg/v:DI 64 %f32 [112])) 58 {*movdi_insn_sp32_v9} (nil) (nil)) e_pow.c:376: Internal compiler error in reload_cse_simplify_operands, at reload1.c:8368 Release: 3.1 Environment: System: SunOS jabba 5.8 Generic_108528-13 sun4u sparc SUNW,UltraAX-MP Architecture: sun4 host: sparc-sun-solaris2.8 build: sparc-sun-solaris2.8 target: sparc-sun-solaris2.8 configured with: /homes/combi/gawrilow/tmp/gcc-3.1/configure --prefix=/usr/site-local/experimental --with-local-prefix=/usr/site-local --with-gxx-include-dir=/usr/site-local/share/include/g++ --enable-shared --enable-libgcj --enable-languages=c++,java --with-cpu=ultrasparc How-To-Repeat: # 1 "e_pow.c" # 1 "<built-in>" # 1 "<command line>" # 1 "../../../config-defs.h" 1 /* List of defines generated by configure. Included with preprocessor flag, * -include, to avoid long list of -D defines on the compile command-line. * Do not edit. */ # 2 "<command line>" 2 # 1 "e_pow.c" /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is Mozilla Communicator client code, released * March 31, 1998. * * The Initial Developer of the Original Code is Sun Microsystems, * Inc. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the * terms of the GNU Public License (the "GPL"), in which case the * provisions of the GPL are applicable instead of those above. * If you wish to allow use of your version of this file only * under the terms of the GPL and not to allow others to use your * version of this file under the NPL, indicate your decision by * deleting the provisions above and replace them with the notice * and other provisions required by the GPL. If you do not delete * the provisions above, a recipient may use your version of this * file under either the NPL or the GPL. */ /* @(#)e_pow.c 1.3 95/01/18 */ /* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunSoft, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ /* __ieee754_pow(x,y) return x**y * * n * Method: Let x = 2 * (1+f) * 1. Compute and return log2(x) in two pieces: * log2(x) = w1 + w2, * where w1 has 53-24 = 29 bit trailing zeros. * 2. Perform y*log2(x) = n+y' by simulating muti-precision * arithmetic, where |y'|<=0.5. * 3. Return x**y = 2**n*exp(y'*log2) * * Special cases: * 1. (anything) ** 0 is 1 * 2. (anything) ** 1 is itself * 3. (anything) ** NAN is NAN * 4. NAN ** (anything except 0) is NAN * 5. +-(|x| > 1) ** +INF is +INF * 6. +-(|x| > 1) ** -INF is +0 * 7. +-(|x| < 1) ** +INF is +0 * 8. +-(|x| < 1) ** -INF is +INF * 9. +-1 ** +-INF is NAN * 10. +0 ** (+anything except 0, NAN) is +0 * 11. -0 ** (+anything except 0, NAN, odd integer) is +0 * 12. +0 ** (-anything except 0, NAN) is +INF * 13. -0 ** (-anything except 0, NAN, odd integer) is +INF * 14. -0 ** (odd integer) = -( +0 ** (odd integer) ) * 15. +INF ** (+anything except 0,NAN) is +INF * 16. +INF ** (-anything except 0,NAN) is +0 * 17. -INF ** (anything) = -0 ** (-anything) * 18. (-anything) ** (integer) is (-1)**(integer)*(+anything**integer) * 19. (-anything except 0 and inf) ** (non-integer) is NAN * * Accuracy: * pow(x,y) returns x**y nearly rounded. In particular * pow(integer,integer) * always returns the correct integer provided it is * representable. * * Constants : * The hexadecimal values are the intended ones for the following * constants. The decimal values may be used, provided that the * compiler will convert from decimal to binary accurately enough * to produce the hexadecimal values shown. */ # 1 "fdlibm.h" 1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is Mozilla Communicator client code, released * March 31, 1998. * * The Initial Developer of the Original Code is Sun Microsystems, * Inc. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the * terms of the GNU Public License (the "GPL"), in which case the * provisions of the GPL are applicable instead of those above. * If you wish to allow use of your version of this file only * under the terms of the GPL and not to allow others to use your * version of this file under the NPL, indicate your decision by * deleting the provisions above and replace them with the notice * and other provisions required by the GPL. If you do not delete * the provisions above, a recipient may use your version of this * file under either the NPL or the GPL. */ /* @(#)fdlibm.h 1.5 95/01/18 */ /* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunSoft, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ /* Modified defines start here.. */ # 63 "fdlibm.h" /* End here. The rest is the standard file. */ # 72 "fdlibm.h" typedef union { struct { int hi, lo; } ints; double d; } fd_twoints; # 91 "fdlibm.h" /* * ANSI/POSIX */ extern int signgam; enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix}; /* if global variable _LIB_VERSION is not desirable, one may * change the following to be a constant by: * #define _LIB_VERSION_TYPE const enum version * In that case, after one initializes the value _LIB_VERSION (see * s_lib_version.c) during compile time, it cannot be modified * in the middle of a program */ extern enum fdversion _fdlib_version; struct exception { int type; char *name; double arg1; double arg2; double retval; }; /* * set X_TLOSS = pi*2**52, which is possibly defined in <values.h> * (one may replace the following line by "#include <values.h>") */ # 142 "fdlibm.h" /* * ANSI/POSIX */ extern double fd_acos (double); extern double fd_asin (double); extern double fd_atan (double); extern double fd_atan2 (double, double); extern double fd_cos (double); extern double fd_sin (double); extern double fd_tan (double); extern double fd_cosh (double); extern double fd_sinh (double); extern double fd_tanh (double); extern double fd_exp (double); extern double fd_frexp (double, int *); extern double fd_ldexp (double, int); extern double fd_log (double); extern double fd_log10 (double); extern double fd_modf (double, double *); extern double fd_pow (double, double); extern double fd_sqrt (double); extern double fd_ceil (double); extern double fd_fabs (double); extern double fd_floor (double); extern double fd_fmod (double, double); extern double fd_erf (double); extern double fd_erfc (double); extern double fd_gamma (double); extern double fd_hypot (double, double); extern int fd_isnan (double); extern int fd_finite (double); extern double fd_j0 (double); extern double fd_j1 (double); extern double fd_jn (int, double); extern double fd_lgamma (double); extern double fd_y0 (double); extern double fd_y1 (double); extern double fd_yn (int, double); extern double fd_acosh (double); extern double fd_asinh (double); extern double fd_atanh (double); extern double fd_cbrt (double); extern double fd_logb (double); extern double fd_nextafter (double, double); extern double fd_remainder (double, double); extern double fd_scalb (double, double); extern int fd_matherr (struct exception *); /* * IEEE Test Vector */ extern double significand (double); /* * Functions callable from C, intended to support IEEE arithmetic. */ extern double fd_copysign (double, double); extern int fd_ilogb (double); extern double fd_rint (double); extern double fd_scalbn (double, int); /* * BSD math library entry points */ extern double fd_expm1 (double); extern double fd_log1p (double); /* * Reentrant version of gamma & lgamma; passes signgam back by reference * as the second argument; user must allocate space for signgam. */ extern double gamma_r (double, int *); extern double lgamma_r (double, int *); /* ieee style elementary functions */ extern double __ieee754_sqrt (double); extern double __ieee754_acos (double); extern double __ieee754_acosh (double); extern double __ieee754_log (double); extern double __ieee754_atanh (double); extern double __ieee754_asin (double); extern double __ieee754_atan2 (double,double); extern double __ieee754_exp (double); extern double __ieee754_cosh (double); extern double __ieee754_fmod (double,double); extern double __ieee754_pow (double,double); extern double __ieee754_lgamma_r (double,int *); extern double __ieee754_gamma_r (double,int *); extern double __ieee754_lgamma (double); extern double __ieee754_gamma (double); extern double __ieee754_log10 (double); extern double __ieee754_sinh (double); extern double __ieee754_hypot (double,double); extern double __ieee754_j0 (double); extern double __ieee754_j1 (double); extern double __ieee754_y0 (double); extern double __ieee754_y1 (double); extern double __ieee754_jn (int,double); extern double __ieee754_yn (int,double); extern double __ieee754_remainder (double,double); extern int __ieee754_rem_pio2 (double,double*); extern double __ieee754_scalb (double,double); /* fdlibm kernel function */ extern double __kernel_standard (double,double,int,int*); extern double __kernel_sin (double,double,int); extern double __kernel_cos (double,double); extern double __kernel_tan (double,double,int); extern int __kernel_rem_pio2 (double*,double*,int,int,int,const int*); # 93 "e_pow.c" 2 static const double bp[] = {1.0, 1.5,}, dp_h[] = { 0.0, 5.84962487220764160156e-01,}, /* 0x3FE2B803, 0x40000000 */ dp_l[] = { 0.0, 1.35003920212974897128e-08,}, /* 0x3E4CFDEB, 0x43CFD006 */ zero = 0.0, one = 1.0, two = 2.0, two53 = 9007199254740992.0, /* 0x43400000, 0x00000000 */ really_big = 1.0e300, tiny = 1.0e-300, /* poly coefs for (3/2)*(log(x)-2s-2/3*s**3 */ L1 = 5.99999999999994648725e-01, /* 0x3FE33333, 0x33333303 */ L2 = 4.28571428578550184252e-01, /* 0x3FDB6DB6, 0xDB6FABFF */ L3 = 3.33333329818377432918e-01, /* 0x3FD55555, 0x518F264D */ L4 = 2.72728123808534006489e-01, /* 0x3FD17460, 0xA91D4101 */ L5 = 2.30660745775561754067e-01, /* 0x3FCD864A, 0x93C9DB65 */ L6 = 2.06975017800338417784e-01, /* 0x3FCA7E28, 0x4A454EEF */ P1 = 1.66666666666666019037e-01, /* 0x3FC55555, 0x5555553E */ P2 = -2.77777777770155933842e-03, /* 0xBF66C16C, 0x16BEBD93 */ P3 = 6.61375632143793436117e-05, /* 0x3F11566A, 0xAF25DE2C */ P4 = -1.65339022054652515390e-06, /* 0xBEBBBD41, 0xC5D26BF1 */ P5 = 4.13813679705723846039e-08, /* 0x3E663769, 0x72BEA4D0 */ lg2 = 6.93147180559945286227e-01, /* 0x3FE62E42, 0xFEFA39EF */ lg2_h = 6.93147182464599609375e-01, /* 0x3FE62E43, 0x00000000 */ lg2_l = -1.90465429995776804525e-09, /* 0xBE205C61, 0x0CA86C39 */ ovt = 8.0085662595372944372e-0017, /* -(1024-log2(ovfl+.5ulp)) */ cp = 9.61796693925975554329e-01, /* 0x3FEEC709, 0xDC3A03FD =2/(3ln2) */ cp_h = 9.61796700954437255859e-01, /* 0x3FEEC709, 0xE0000000 =(float)cp */ cp_l = -7.02846165095275826516e-09, /* 0xBE3E2FE0, 0x145B01F5 =tail of cp_h*/ ivln2 = 1.44269504088896338700e+00, /* 0x3FF71547, 0x652B82FE =1/ln2 */ ivln2_h = 1.44269502162933349609e+00, /* 0x3FF71547, 0x60000000 =24b 1/ln2*/ ivln2_l = 1.92596299112661746887e-08; /* 0x3E54AE0B, 0xF85DDF44 =1/ln2 tail*/ double __ieee754_pow(double x, double y) { fd_twoints ux, uy, uz; double y1,t1,p_h,t,z,ax; double z_h,z_l,p_l; double t2,r,s,u,v,w; int i,j,k,yisint,n; int hx,hy,ix,iy; unsigned lx,ly; ux.d = x; uy.d = y; hx = ux.ints.hi; lx = ux.ints.lo; hy = uy.ints.hi; ly = uy.ints.lo; ix = hx&0x7fffffff; iy = hy&0x7fffffff; /* y==zero: x**0 = 1 */ if((iy|ly)==0) return one; /* +-NaN return x+y */ if(ix > 0x7ff00000 || ((ix==0x7ff00000)&&(lx!=0)) || iy > 0x7ff00000 || ((iy==0x7ff00000)&&(ly!=0))) return x+y; /* determine if y is an odd int when x < 0 * yisint = 0 ... y is not an integer * yisint = 1 ... y is an odd int * yisint = 2 ... y is an even int */ yisint = 0; if(hx<0) { if(iy>=0x43400000) yisint = 2; /* even integer y */ else if(iy>=0x3ff00000) { k = (iy>>20)-0x3ff; /* exponent */ if(k>20) { j = ly>>(52-k); if((j<<(52-k))==(int)ly) yisint = 2-(j&1); } else if(ly==0) { j = iy>>(20-k); if((j<<(20-k))==iy) yisint = 2-(j&1); } } } /* special value of y */ if(ly==0) { if (iy==0x7ff00000) { /* y is +-inf */ if(((ix-0x3ff00000)|lx)==0) return y - y; /* inf**+-1 is NaN */ else if (ix >= 0x3ff00000)/* (|x|>1)**+-inf = inf,0 */ return (hy>=0)? y: zero; else /* (|x|<1)**-,+inf = inf,0 */ return (hy<0)?-y: zero; } if(iy==0x3ff00000) { /* y is +-1 */ if(hy<0) return one/x; else return x; } if(hy==0x40000000) return x*x; /* y is 2 */ if(hy==0x3fe00000) { /* y is 0.5 */ if(hx>=0) /* x >= +0 */ return fd_sqrt(x); } } ax = fd_fabs(x); /* special value of x */ if(lx==0) { if(ix==0x7ff00000||ix==0||ix==0x3ff00000){ z = ax; /*x is +-0,+-inf,+-1*/ if(hy<0) z = one/z; /* z = (1/|x|) */ if(hx<0) { if(((ix-0x3ff00000)|yisint)==0) { z = (z-z)/(z-z); /* (-1)**non-int is NaN */ } else if(yisint==1) { z = -z; /* (x<0)**odd = -(|x|**odd) */ } } return z; } } /* (x<0)**(non-int) is NaN */ if((((hx>>31)+1)|yisint)==0) return (x-x)/(x-x); /* |y| is really_big */ if(iy>0x41e00000) { /* if |y| > 2**31 */ if(iy>0x43f00000){ /* if |y| > 2**64, must o/uflow */ if(ix<=0x3fefffff) return (hy<0)? really_big*really_big:tiny*tiny; if(ix>=0x3ff00000) return (hy>0)? really_big*really_big:tiny*tiny; } /* over/underflow if x is not close to one */ if(ix<0x3fefffff) return (hy<0)? really_big*really_big:tiny*tiny; if(ix>0x3ff00000) return (hy>0)? really_big*really_big:tiny*tiny; /* now |1-x| is tiny <= 2**-20, suffice to compute log(x) by x-x^2/2+x^3/3-x^4/4 */ t = x-1; /* t has 20 trailing zeros */ w = (t*t)*(0.5-t*(0.3333333333333333333333-t*0.25)); u = ivln2_h*t; /* ivln2_h has 21 sig. bits */ v = t*ivln2_l-w*ivln2; t1 = u+v; uz.d = t1; uz.ints.lo = 0; t1 = uz.d; t2 = v-(t1-u); } else { double s_h,t_h; double s2,s_l,t_l; n = 0; /* take care subnormal number */ if(ix<0x00100000) {ax *= two53; n -= 53; uz.d = ax; ix = uz.ints.hi; } n += ((ix)>>20)-0x3ff; j = ix&0x000fffff; /* determine interval */ ix = j|0x3ff00000; /* normalize ix */ if(j<=0x3988E) k=0; /* |x|<sqrt(3/2) */ else if(j<0xBB67A) k=1; /* |x|<sqrt(3) */ else {k=0;n+=1;ix -= 0x00100000;} uz.d = ax; uz.ints.hi = ix; ax = uz.d; /* compute s = s_h+s_l = (x-1)/(x+1) or (x-1.5)/(x+1.5) */ u = ax-bp[k]; /* bp[0]=1.0, bp[1]=1.5 */ v = one/(ax+bp[k]); s = u*v; s_h = s; uz.d = s_h; uz.ints.lo = 0; s_h = uz.d; /* t_h=ax+bp[k] High */ t_h = zero; uz.d = t_h; uz.ints.hi=((ix>>1)|0x20000000)+0x00080000+(k<<18); t_h = uz.d; t_l = ax - (t_h-bp[k]); s_l = v*((u-s_h*t_h)-s_h*t_l); /* compute log(ax) */ s2 = s*s; r = s2*s2*(L1+s2*(L2+s2*(L3+s2*(L4+s2*(L5+s2*L6))))); r += s_l*(s_h+s); s2 = s_h*s_h; t_h = 3.0+s2+r; uz.d = t_h; uz.ints.lo = 0; t_h = uz.d; t_l = r-((t_h-3.0)-s2); /* u+v = s*(1+...) */ u = s_h*t_h; v = s_l*t_h+t_l*s; /* 2/(3log2)*(s+...) */ p_h = u+v; uz.d = p_h; uz.ints.lo = 0; p_h = uz.d; p_l = v-(p_h-u); z_h = cp_h*p_h; /* cp_h+cp_l = 2/(3*log2) */ z_l = cp_l*p_h+p_l*cp+dp_l[k]; /* log2(ax) = (s+..)*2/(3*log2) = n + dp_h + z_h + z_l */ t = (double)n; t1 = (((z_h+z_l)+dp_h[k])+t); uz.d = t1; uz.ints.lo = 0; t1 = uz.d; t2 = z_l-(((t1-t)-dp_h[k])-z_h); } s = one; /* s (sign of result -ve**odd) = -1 else = 1 */ if((((hx>>31)+1)|(yisint-1))==0) s = -one;/* (-ve)**(odd int) */ /* split up y into y1+y2 and compute (y1+y2)*(t1+t2) */ y1 = y; uy.d = y1; uy.ints.lo = 0; y1 = uy.d; p_l = (y-y1)*t1+y*t2; p_h = y1*t1; z = p_l+p_h; uz.d = z; j = uz.ints.hi; i = uz.ints.lo; if (j>=0x40900000) { /* z >= 1024 */ if(((j-0x40900000)|i)!=0) /* if z > 1024 */ return s*really_big*really_big; /* overflow */ else { if(p_l+ovt>z-p_h) return s*really_big*really_big; /* overflow */ } } else if((j&0x7fffffff)>=0x4090cc00 ) { /* z <= -1075 */ if(((j-0xc090cc00)|i)!=0) /* z < -1075 */ return s*tiny*tiny; /* underflow */ else { if(p_l<=z-p_h) return s*tiny*tiny; /* underflow */ } } /* * compute 2**(p_h+p_l) */ i = j&0x7fffffff; k = (i>>20)-0x3ff; n = 0; if(i>0x3fe00000) { /* if |z| > 0.5, set n = [z+0.5] */ n = j+(0x00100000>>(k+1)); k = ((n&0x7fffffff)>>20)-0x3ff; /* new k for n */ t = zero; uz.d = t; uz.ints.hi = (n&~(0x000fffff>>k)); t = uz.d; n = ((n&0x000fffff)|0x00100000)>>(20-k); if(j<0) n = -n; p_h -= t; } t = p_l+p_h; uz.d = t; uz.ints.lo = 0; t = uz.d; u = t*lg2_h; v = (p_l-(t-p_h))*lg2+t*lg2_l; z = u+v; w = v-(z-u); t = z*z; t1 = z - t*(P1+t*(P2+t*(P3+t*(P4+t*P5)))); r = (z*t1)/(t1-two)-(w+z*w); z = one-(r-z); uz.d = z; j = uz.ints.hi; j += (n<<20); if((j>>20)<=0) z = fd_scalbn(z,n); /* subnormal output */ else { uz.d = z; uz.ints.hi += (n<<20); z = uz.d; } return s*z; }
Fix: Compilation with -mcpu=supersparc succeeded.
State-Changed-From-To: open->closed State-Changed-Why: Fixed in mainline and 3.2 branch, fix will appear in the upcoming 3.2.1 release in a few weeks.
From: Uros Bizjak <uros@kss-loka.si> To: gcc-gnats@gcc.gnu.org, gcc-bugs@gcc.gnu.org, nobody@gcc.gnu.org, gcc-prs@gcc.gnu.org, gawrilow@math.TU-Berlin.DE Cc: Subject: Re: middle-end/7151: ICE when compiling for UltraSPARC Date: Thu, 06 Feb 2003 14:05:06 +0100 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7151 This bug is not fixed in 3.2.2 release. PR7151 and PR8281 describe the same bug (PR8281 has a nice testcase included, PR8654 has another testcase for the same problem) and with gcc 3.2.2 I got segmentation fault instead of ICE in line 43: > gcc -O2 -c -fPIC -mcpu=ultrasparc 8281.c 8281.c: In function `__ieee754_pow': 8281.c:43: internal error: Segmentation Fault Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions > gcc -v Reading specs from /usr/local/lib/gcc-lib/sparc-sun-solaris2.8/3.2.2/specs Configured with: ../gcc-3.2.2/configure --with-gnu-ld Thread model: posix gcc version 3.2.2 Uros.
State-Changed-From-To: closed->open State-Changed-Why: Apparently not fixed. Should be re-evaluated with someone with an ultrasparc
*** This bug has been marked as a duplicate of 8281 ***