version 1.162, 2005/01/25 22:16:29
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version 1.170, 2005/03/17 18:49:03
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Line 249 execute ( xt -- ) core
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Line 249 execute ( xt -- ) core
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#ifndef NO_IP |
#ifndef NO_IP |
ip=IP; |
ip=IP; |
#endif |
#endif |
IF_spTOS(spTOS = sp[0]); /* inst_tail would produce a NEXT_P1 */ |
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SUPER_END; |
SUPER_END; |
VM_JUMP(EXEC1(xt)); |
VM_JUMP(EXEC1(xt)); |
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Line 259 perform ( a_addr -- ) gforth
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Line 258 perform ( a_addr -- ) gforth
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#ifndef NO_IP |
#ifndef NO_IP |
ip=IP; |
ip=IP; |
#endif |
#endif |
IF_spTOS(spTOS = sp[0]); /* inst_tail would produce a NEXT_P1 */ |
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SUPER_END; |
SUPER_END; |
VM_JUMP(EXEC1(*(Xt *)a_addr)); |
VM_JUMP(EXEC1(*(Xt *)a_addr)); |
: |
: |
Line 521 if (nstart == nlimit) {
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Line 519 if (nstart == nlimit) {
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JUMP(a_target); |
JUMP(a_target); |
#else |
#else |
SET_IP((Xt *)a_target); |
SET_IP((Xt *)a_target); |
INST_TAIL; NEXT_P2; |
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#endif |
#endif |
} |
} |
SUPER_CONTINUE; |
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: |
: |
2dup = |
2dup = |
IF r> swap rot >r >r |
IF r> swap rot >r >r |
Line 544 if (nstart >= nlimit) {
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Line 540 if (nstart >= nlimit) {
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JUMP(a_target); |
JUMP(a_target); |
#else |
#else |
SET_IP((Xt *)a_target); |
SET_IP((Xt *)a_target); |
INST_TAIL; NEXT_P2; |
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#endif |
#endif |
} |
} |
SUPER_CONTINUE; |
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: |
: |
swap 2dup |
swap 2dup |
r> swap >r swap >r |
r> swap >r swap >r |
Line 567 if (ustart >= ulimit) {
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Line 561 if (ustart >= ulimit) {
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JUMP(a_target); |
JUMP(a_target); |
#else |
#else |
SET_IP((Xt *)a_target); |
SET_IP((Xt *)a_target); |
INST_TAIL; NEXT_P2; |
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#endif |
#endif |
} |
} |
SUPER_CONTINUE; |
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: |
: |
swap 2dup |
swap 2dup |
r> swap >r swap >r |
r> swap >r swap >r |
Line 590 if (nstart <= nlimit) {
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Line 582 if (nstart <= nlimit) {
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JUMP(a_target); |
JUMP(a_target); |
#else |
#else |
SET_IP((Xt *)a_target); |
SET_IP((Xt *)a_target); |
INST_TAIL; NEXT_P2; |
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#endif |
#endif |
} |
} |
SUPER_CONTINUE; |
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: |
: |
swap 2dup |
swap 2dup |
r> swap >r swap >r |
r> swap >r swap >r |
Line 613 if (ustart <= ulimit) {
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Line 603 if (ustart <= ulimit) {
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JUMP(a_target); |
JUMP(a_target); |
#else |
#else |
SET_IP((Xt *)a_target); |
SET_IP((Xt *)a_target); |
INST_TAIL; NEXT_P2; |
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#endif |
#endif |
} |
} |
SUPER_CONTINUE; |
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: |
: |
swap 2dup |
swap 2dup |
r> swap >r swap >r |
r> swap >r swap >r |
Line 817 n = n1*n2;
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Line 805 n = n1*n2;
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/ ( n1 n2 -- n ) core slash |
/ ( n1 n2 -- n ) core slash |
n = n1/n2; |
n = n1/n2; |
if(FLOORED_DIV && (n1 < 0) != (n2 < 0) && (n1%n2 != 0)) n--; |
if(FLOORED_DIV && ((n1^n2) < 0) && (n1%n2 != 0)) n--; |
: |
: |
/mod nip ; |
/mod nip ; |
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mod ( n1 n2 -- n ) core |
mod ( n1 n2 -- n ) core |
n = n1%n2; |
n = n1%n2; |
if(FLOORED_DIV && (n1 < 0) != (n2 < 0) && n!=0) n += n2; |
if(FLOORED_DIV && ((n1^n2) < 0) && n!=0) n += n2; |
: |
: |
/mod drop ; |
/mod drop ; |
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/mod ( n1 n2 -- n3 n4 ) core slash_mod |
/mod ( n1 n2 -- n3 n4 ) core slash_mod |
n4 = n1/n2; |
n4 = n1/n2; |
n3 = n1%n2; /* !! is this correct? look into C standard! */ |
n3 = n1%n2; /* !! is this correct? look into C standard! */ |
if (FLOORED_DIV && (n1<0) != (n2<0) && n3!=0) { |
if (FLOORED_DIV && ((n1^n2) < 0) && n3!=0) { |
n4--; |
n4--; |
n3+=n2; |
n3+=n2; |
} |
} |
Line 852 n5=DLO(r);
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Line 840 n5=DLO(r);
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/* assumes that the processor uses either floored or symmetric division */ |
/* assumes that the processor uses either floored or symmetric division */ |
n5 = d/n3; |
n5 = d/n3; |
n4 = d%n3; |
n4 = d%n3; |
if (FLOORED_DIV && (d<0) != (n3<0) && n4!=0) { |
if (FLOORED_DIV && ((DHI(d)^n3)<0) && n4!=0) { |
n5--; |
n5--; |
n4+=n3; |
n4+=n3; |
} |
} |
Line 869 DCell d = (DCell)n1 * (DCell)n2;
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Line 857 DCell d = (DCell)n1 * (DCell)n2;
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#endif |
#endif |
#ifdef BUGGY_LL_DIV |
#ifdef BUGGY_LL_DIV |
DCell r = fmdiv(d,n3); |
DCell r = fmdiv(d,n3); |
n4=DHI(r); |
n4=DLO(r); |
#else |
#else |
/* assumes that the processor uses either floored or symmetric division */ |
/* assumes that the processor uses either floored or symmetric division */ |
n4 = d/n3; |
n4 = d/n3; |
if (FLOORED_DIV && (d<0) != (n3<0) && (d%n3)!=0) n4--; |
if (FLOORED_DIV && ((DHI(d)^n3)<0) && (d%n3)!=0) n4--; |
#endif |
#endif |
: |
: |
*/mod nip ; |
*/mod nip ; |
Line 898 n2 = n1>>1;
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Line 886 n2 = n1>>1;
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fm/mod ( d1 n1 -- n2 n3 ) core f_m_slash_mod |
fm/mod ( d1 n1 -- n2 n3 ) core f_m_slash_mod |
""Floored division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, @i{n1}>@i{n2}>=0 or 0>=@i{n2}>@i{n1}."" |
""Floored division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, @i{n1}>@i{n2}>=0 or 0>=@i{n2}>@i{n1}."" |
#ifdef BUGGY_LL_DIV |
#ifdef BUGGY_LL_DIV |
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#ifdef ASM_SM_SLASH_REM |
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ASM_SM_SLASH_REM(d1.lo, d1.hi, n1, n2, n3); |
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if (((DHI(d1)^n1)<0) && n2!=0) { |
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n3--; |
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n2+=n1; |
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} |
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#else /* !defined(ASM_SM_SLASH_REM) */ |
DCell r = fmdiv(d1,n1); |
DCell r = fmdiv(d1,n1); |
n2=DHI(r); |
n2=DHI(r); |
n3=DLO(r); |
n3=DLO(r); |
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#endif /* !defined(ASM_SM_SLASH_REM) */ |
#else |
#else |
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#ifdef ASM_SM_SLASH_REM4 |
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ASM_SM_SLASH_REM4(d1, n1, n2, n3); |
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if (((DHI(d1)^n1)<0) && n2!=0) { |
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n3--; |
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n2+=n1; |
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} |
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#else /* !defined(ASM_SM_SLASH_REM4) */ |
/* assumes that the processor uses either floored or symmetric division */ |
/* assumes that the processor uses either floored or symmetric division */ |
n3 = d1/n1; |
n3 = d1/n1; |
n2 = d1%n1; |
n2 = d1%n1; |
/* note that this 1%-3>0 is optimized by the compiler */ |
/* note that this 1%-3>0 is optimized by the compiler */ |
if (1%-3>0 && (d1<0) != (n1<0) && n2!=0) { |
if (1%-3>0 && ((DHI(d1)^n1)<0) && n2!=0) { |
n3--; |
n3--; |
n2+=n1; |
n2+=n1; |
} |
} |
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#endif /* !defined(ASM_SM_SLASH_REM4) */ |
#endif |
#endif |
: |
: |
dup >r dup 0< IF negate >r dnegate r> THEN |
dup >r dup 0< IF negate >r dnegate r> THEN |
Line 920 if (1%-3>0 && (d1<0) != (n1<0) && n2!=0)
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Line 924 if (1%-3>0 && (d1<0) != (n1<0) && n2!=0)
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sm/rem ( d1 n1 -- n2 n3 ) core s_m_slash_rem |
sm/rem ( d1 n1 -- n2 n3 ) core s_m_slash_rem |
""Symmetric division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, sign(@i{n2})=sign(@i{d1}) or 0."" |
""Symmetric division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, sign(@i{n2})=sign(@i{d1}) or 0."" |
#ifdef BUGGY_LL_DIV |
#ifdef BUGGY_LL_DIV |
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#ifdef ASM_SM_SLASH_REM |
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ASM_SM_SLASH_REM(d1.lo, d1.hi, n1, n2, n3); |
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#else /* !defined(ASM_SM_SLASH_REM) */ |
DCell r = smdiv(d1,n1); |
DCell r = smdiv(d1,n1); |
n2=DHI(r); |
n2=DHI(r); |
n3=DLO(r); |
n3=DLO(r); |
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#endif /* !defined(ASM_SM_SLASH_REM) */ |
#else |
#else |
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#ifdef ASM_SM_SLASH_REM4 |
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ASM_SM_SLASH_REM4(d1, n1, n2, n3); |
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#else /* !defined(ASM_SM_SLASH_REM4) */ |
/* assumes that the processor uses either floored or symmetric division */ |
/* assumes that the processor uses either floored or symmetric division */ |
n3 = d1/n1; |
n3 = d1/n1; |
n2 = d1%n1; |
n2 = d1%n1; |
/* note that this 1%-3<0 is optimized by the compiler */ |
/* note that this 1%-3<0 is optimized by the compiler */ |
if (1%-3<0 && (d1<0) != (n1<0) && n2!=0) { |
if (1%-3<0 && ((DHI(d1)^n1)<0) && n2!=0) { |
n3++; |
n3++; |
n2-=n1; |
n2-=n1; |
} |
} |
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#endif /* !defined(ASM_SM_SLASH_REM4) */ |
#endif |
#endif |
: |
: |
over >r dup >r abs -rot |
over >r dup >r abs -rot |
Line 969 ud = (UDCell)u1 * (UDCell)u2;
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Line 981 ud = (UDCell)u1 * (UDCell)u2;
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um/mod ( ud u1 -- u2 u3 ) core u_m_slash_mod |
um/mod ( ud u1 -- u2 u3 ) core u_m_slash_mod |
""ud=u3*u1+u2, u1>u2>=0"" |
""ud=u3*u1+u2, u1>u2>=0"" |
#ifdef BUGGY_LL_DIV |
#ifdef BUGGY_LL_DIV |
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#ifdef ASM_UM_SLASH_MOD |
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ASM_UM_SLASH_MOD(ud.lo, ud.hi, u1, u2, u3); |
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#else /* !defined(ASM_UM_SLASH_MOD) */ |
UDCell r = umdiv(ud,u1); |
UDCell r = umdiv(ud,u1); |
u2=DHI(r); |
u2=DHI(r); |
u3=DLO(r); |
u3=DLO(r); |
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#endif /* !defined(ASM_UM_SLASH_MOD) */ |
#else |
#else |
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#ifdef ASM_UM_SLASH_MOD4 |
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ASM_UM_SLASH_MOD4(ud, u1, u2, u3); |
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#else /* !defined(ASM_UM_SLASH_MOD4) */ |
u3 = ud/u1; |
u3 = ud/u1; |
u2 = ud%u1; |
u2 = ud%u1; |
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#endif /* !defined(ASM_UM_SLASH_MOD4) */ |
#endif |
#endif |
: |
: |
0 swap [ 8 cells 1 + ] literal 0 |
0 swap [ 8 cells 1 + ] literal 0 |
Line 2130 f2=FLAG(isdigit((unsigned)(sig[0]))!=0);
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Line 2150 f2=FLAG(isdigit((unsigned)(sig[0]))!=0);
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siglen=strlen(sig); |
siglen=strlen(sig); |
if (siglen>u) /* happens in glibc-2.1.3 if 999.. is rounded up */ |
if (siglen>u) /* happens in glibc-2.1.3 if 999.. is rounded up */ |
siglen=u; |
siglen=u; |
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if (!f2) /* workaround Cygwin trailing 0s for Inf and Nan */ |
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for (; sig[siglen-1]=='0'; siglen--); |
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; |
memcpy(c_addr,sig,siglen); |
memcpy(c_addr,sig,siglen); |
memset(c_addr+siglen,f2?'0':' ',u-siglen); |
memset(c_addr+siglen,f2?'0':' ',u-siglen); |
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