--- gforth/prim 2010/07/11 19:56:00 1.252 +++ gforth/prim 2011/12/19 19:43:29 1.263 @@ -1,6 +1,6 @@ \ Gforth primitives -\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc. +\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -612,6 +612,24 @@ SET_IP((Xt *)a_target); cell+ THEN >r ; +(try1) ( ... a_oldhandler a_recovery -- R:a_recovery R:a_sp R:f_fp R:c_lp R:a_oldhandler a_newhandler ) gforth paren_try1 +a_sp = sp-1; +f_fp = fp; +c_lp = lp; +a_newhandler = rp-5; + +(throw1) ( ... wball a_handler -- ... wball ) gforth paren_throw1 +rp = a_handler; +lp = (Address)rp[1]; +fp = (Float *)rp[2]; +sp = (Cell *)rp[3]; +#ifndef NO_IP +ip=IP; +#endif +SUPER_END; +VM_JUMP(EXEC1(*(Xt *)rp[4])); + + \+ \ don't make any assumptions where the return stack is!! @@ -1085,6 +1103,22 @@ lshift ( u1 n -- u2 ) core l_shift : 0 ?DO 2* LOOP ; +umax ( u1 u2 -- u ) core +if (u1 IF swap THEN drop ; + \g compare \ comparisons(prefix, args, prefix, arg1, arg2, wordsets...) @@ -1786,6 +1820,8 @@ if (a_addr1==NULL) else a_addr2 = (Cell *)realloc(a_addr1, u); wior = IOR(a_addr2==NULL); /* !! Define a return code */ +if (a_addr2==NULL) + a_addr2 = a_addr1; strerror ( n -- c_addr u ) gforth c_addr = (Char *)strerror(n); @@ -2013,6 +2049,19 @@ duser = timeval2us(&time1); dsystem = DZERO; #endif +ntime ( -- dtime ) gforth +""Report the current time in nanoseconds since some epoch."" +struct timespec time1; +#ifdef HAVE_CLOCK_GETTIME +clock_gettime(CLOCK_REALTIME,&time1); +#else +struct timeval time2; +gettimeofday(&time2,NULL); +time1.tv_sec = time2.tv_sec; +time1.tv_nsec = time2.tv_usec*1000; +#endif +dtime = timespec2ns(&time1); + \+ \+floating @@ -2504,17 +2553,6 @@ c_addr[1] = w >> 16; c_addr[2] = w >> 8; c_addr[3] = w; -be-x! ( w c_addr -- ) gforth x_store_be -""Store the bottom 64 bits of @i{w} at @i{c_addr} in big endian format."" -c_addr[0] = w >> 56; -c_addr[1] = w >> 48; -c_addr[2] = w >> 40; -c_addr[3] = w >> 32; -c_addr[4] = w >> 24; -c_addr[5] = w >> 16; -c_addr[6] = w >> 8; -c_addr[7] = w; - le-w! ( w c_addr -- ) gforth w_store_le ""Store the bottom 16 bits of @i{w} at @i{c_addr} in big endian format."" c_addr[1] = w >> 8; @@ -2527,7 +2565,48 @@ c_addr[2] = w >> 16; c_addr[1] = w >> 8; c_addr[0] = w; -le-x! ( w c_addr -- ) gforth x_store_le +be-uw@ ( c_addr -- u ) gforth w_fetch_be +""@i{u} is the zero-extended 16-bit big endian value stored at @i{c_addr}."" +u = (c_addr[0] << 8) | (c_addr[1]); + +be-ul@ ( c_addr -- u ) gforth l_fetch_be +""@i{u} is the zero-extended 32-bit big endian value stored at @i{c_addr}."" +u = (c_addr[0] << 24) | (c_addr[1] << 16) | (c_addr[2] << 8) | (c_addr[3]); + +le-uw@ ( c_addr -- u ) gforth w_fetch_le +""@i{u} is the zero-extended 16-bit little endian value stored at @i{c_addr}."" +u = (c_addr[1] << 8) | (c_addr[0]); + +le-ul@ ( c_addr -- u ) gforth l_fetch_le +""@i{u} is the zero-extended 32-bit little endian value stored at @i{c_addr}."" +u = (c_addr[3] << 24) | (c_addr[2] << 16) | (c_addr[1] << 8) | (c_addr[0]); + +\+64bit + +x! ( w c_addr -- ) gforth x_store +""Store the bottom 64 bits of @i{w} at 64-bit-aligned @i{c_addr}."" +*(UOctabyte *)c_addr = w; + +ux@ ( c_addr -- u ) gforth u_x_fetch +""@i{u} is the zero-extended 64-bit value stored at 64-bit-aligned @i{c_addr}."" +u = *(UOctabyte *)c_addr; + +sx@ ( c_addr -- n ) gforth s_x_fetch +""@i{u} is the sign-extended 64-bit value stored at 64-bit-aligned @i{c_addr}."" +n = *(Octabyte *)c_addr; + +be-x! ( w c_addr -- ) gforth b_e_x_store +""Store the bottom 64 bits of @i{w} at @i{c_addr} in big endian format."" +c_addr[0] = w >> 56; +c_addr[1] = w >> 48; +c_addr[2] = w >> 40; +c_addr[3] = w >> 32; +c_addr[4] = w >> 24; +c_addr[5] = w >> 16; +c_addr[6] = w >> 8; +c_addr[7] = w; + +le-x! ( w c_addr -- ) gforth l_e_x_store ""Store the bottom 64 bits of @i{w} at @i{c_addr} in big endian format."" c_addr[7] = w >> 56; c_addr[6] = w >> 48; @@ -2538,15 +2617,7 @@ c_addr[2] = w >> 16; c_addr[1] = w >> 8; c_addr[0] = w; -be-w@ ( c_addr -- u ) gforth w_fetch_be -""@i{u} is the zero-extended 16-bit big endian value stored at @i{c_addr}."" -u = (c_addr[0] << 8) | (c_addr[1]); - -be-l@ ( c_addr -- u ) gforth l_fetch_be -""@i{u} is the zero-extended 32-bit big endian value stored at @i{c_addr}."" -u = (c_addr[0] << 24) | (c_addr[1] << 16) | (c_addr[2] << 8) | (c_addr[3]); - -be-x@ ( c_addr -- u ) gforth x_fetch_be +be-ux@ ( c_addr -- u ) gforth b_e_u_x_fetch ""@i{u} is the zero-extended 64-bit big endian value stored at @i{c_addr}."" u = (((Cell)(c_addr[0]) << 56) | ((Cell)(c_addr[1]) << 48) | @@ -2557,15 +2628,7 @@ u = (((Cell)(c_addr[0]) << 56) | ((Cell)(c_addr[6]) << 8) | ((Cell)(c_addr[7]))); -le-w@ ( c_addr -- u ) gforth w_fetch_le -""@i{u} is the zero-extended 16-bit little endian value stored at @i{c_addr}."" -u = (c_addr[1] << 8) | (c_addr[0]); - -le-l@ ( c_addr -- u ) gforth l_fetch_le -""@i{u} is the zero-extended 32-bit little endian value stored at @i{c_addr}."" -u = (c_addr[3] << 24) | (c_addr[2] << 16) | (c_addr[1] << 8) | (c_addr[0]); - -le-x@ ( c_addr -- u ) gforth x_fetch_le +le-ux@ ( c_addr -- u ) gforth l_e_u_x_fetch ""@i{u} is the zero-extended 64-bit little endian value stored at @i{c_addr}."" u = (((Cell)(c_addr[7]) << 56) | ((Cell)(c_addr[6]) << 48) | @@ -2577,6 +2640,7 @@ u = (((Cell)(c_addr[7]) << 56) | ((Cell)(c_addr[0]))); \+ +\+ \g peephole \+peephole