version 1.143, 2003/09/01 22:12:46
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version 1.149, 2003/11/08 20:29:03
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Line 136
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Line 136
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\ throw execute, cfa and NEXT1 out? |
\ throw execute, cfa and NEXT1 out? |
\ macroize *ip, ip++, *ip++ (pipelining)? |
\ macroize *ip, ip++, *ip++ (pipelining)? |
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\ Stack caching setup |
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ifdef(`M4_ENGINE_FAST', `include(cache1.vmg)', `include(cache0.vmg)') |
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\ these m4 macros would collide with identifiers |
\ these m4 macros would collide with identifiers |
undefine(`index') |
undefine(`index') |
undefine(`shift') |
undefine(`shift') |
Line 148 undefine(`symbols')
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Line 152 undefine(`symbols')
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(docol) ( -- R:a_retaddr ) gforth-internal paren_docol |
(docol) ( -- R:a_retaddr ) gforth-internal paren_docol |
""run-time routine for colon definitions"" |
""run-time routine for colon definitions"" |
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#ifdef NO_IP |
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a_retaddr = next_code; |
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INST_TAIL; |
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goto **(Label *)PFA(CFA); |
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#else /* !defined(NO_IP) */ |
a_retaddr = (Cell *)IP; |
a_retaddr = (Cell *)IP; |
SET_IP((Xt *)PFA(CFA)); |
SET_IP((Xt *)PFA(CFA)); |
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#endif /* !defined(NO_IP) */ |
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(docon) ( -- w ) gforth-internal paren_docon |
(docon) ( -- w ) gforth-internal paren_docon |
""run-time routine for constants"" |
""run-time routine for constants"" |
w = *(Cell *)PFA(CFA); |
w = *(Cell *)PFA(CFA); |
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#ifdef NO_IP |
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INST_TAIL; |
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goto *next_code; |
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#endif /* defined(NO_IP) */ |
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(dovar) ( -- a_body ) gforth-internal paren_dovar |
(dovar) ( -- a_body ) gforth-internal paren_dovar |
""run-time routine for variables and CREATEd words"" |
""run-time routine for variables and CREATEd words"" |
a_body = PFA(CFA); |
a_body = PFA(CFA); |
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#ifdef NO_IP |
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INST_TAIL; |
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goto *next_code; |
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#endif /* defined(NO_IP) */ |
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(douser) ( -- a_user ) gforth-internal paren_douser |
(douser) ( -- a_user ) gforth-internal paren_douser |
""run-time routine for constants"" |
""run-time routine for constants"" |
a_user = (Cell *)(up+*(Cell *)PFA(CFA)); |
a_user = (Cell *)(up+*(Cell *)PFA(CFA)); |
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#ifdef NO_IP |
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INST_TAIL; |
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goto *next_code; |
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#endif /* defined(NO_IP) */ |
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(dodefer) ( -- ) gforth-internal paren_dodefer |
(dodefer) ( -- ) gforth-internal paren_dodefer |
""run-time routine for deferred words"" |
""run-time routine for deferred words"" |
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#ifndef NO_IP |
ip=IP; /* undo any ip updating that may have been performed by NEXT_P0 */ |
ip=IP; /* undo any ip updating that may have been performed by NEXT_P0 */ |
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#endif /* !defined(NO_IP) */ |
SUPER_END; /* !! probably unnecessary and may lead to measurement errors */ |
SUPER_END; /* !! probably unnecessary and may lead to measurement errors */ |
EXEC(*(Xt *)PFA(CFA)); |
EXEC(*(Xt *)PFA(CFA)); |
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(dofield) ( n1 -- n2 ) gforth-internal paren_field |
(dofield) ( n1 -- n2 ) gforth-internal paren_field |
""run-time routine for fields"" |
""run-time routine for fields"" |
n2 = n1 + *(Cell *)PFA(CFA); |
n2 = n1 + *(Cell *)PFA(CFA); |
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#ifdef NO_IP |
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INST_TAIL; |
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goto *next_code; |
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#endif /* defined(NO_IP) */ |
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(dodoes) ( -- a_body R:a_retaddr ) gforth-internal paren_dodoes |
(dodoes) ( -- a_body R:a_retaddr ) gforth-internal paren_dodoes |
""run-time routine for @code{does>}-defined words"" |
""run-time routine for @code{does>}-defined words"" |
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#ifdef NO_IP |
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a_retaddr = next_code; |
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a_body = PFA(CFA); |
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INST_TAIL; |
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goto **(Label *)DOES_CODE1(CFA); |
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#else /* !defined(NO_IP) */ |
a_retaddr = (Cell *)IP; |
a_retaddr = (Cell *)IP; |
a_body = PFA(CFA); |
a_body = PFA(CFA); |
SET_IP(DOES_CODE1(CFA)); |
SET_IP(DOES_CODE1(CFA)); |
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#endif /* !defined(NO_IP) */ |
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(does-handler) ( -- ) gforth-internal paren_does_handler |
(does-handler) ( -- ) gforth-internal paren_does_handler |
""just a slot to have an encoding for the DOESJUMP, |
""just a slot to have an encoding for the DOESJUMP, |
Line 194 noop ( -- ) gforth
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Line 229 noop ( -- ) gforth
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call ( #a_callee -- R:a_retaddr ) new |
call ( #a_callee -- R:a_retaddr ) new |
""Call callee (a variant of docol with inline argument)."" |
""Call callee (a variant of docol with inline argument)."" |
#ifdef NO_IP |
#ifdef NO_IP |
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assert(0); |
INST_TAIL; |
INST_TAIL; |
JUMP(a_callee); |
JUMP(a_callee); |
#else |
#else |
Line 397 condbranch((+loop),n R:nlimit R:n1 -- R:
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Line 433 condbranch((+loop),n R:nlimit R:n1 -- R:
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/* dependent upon two's complement arithmetic */ |
/* dependent upon two's complement arithmetic */ |
Cell olddiff = n1-nlimit; |
Cell olddiff = n1-nlimit; |
n2=n1+n; |
n2=n1+n; |
,if ((olddiff^(olddiff+n))>=0 /* the limit is not crossed */ |
,if (((olddiff^(olddiff+n)) /* the limit is not crossed */ |
|| (olddiff^n)>=0 /* it is a wrap-around effect */) { |
&(olddiff^n)) /* OR it is a wrap-around effect */ |
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>=0) { /* & is used to avoid having two branches for gforth-native */ |
,: |
,: |
r> swap |
r> swap |
r> r> 2dup - >r |
r> r> 2dup - >r |
Line 427 if (n<0) {
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Line 464 if (n<0) {
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newdiff = -newdiff; |
newdiff = -newdiff; |
} |
} |
n2=n1+n; |
n2=n1+n; |
,if (diff>=0 || newdiff<0) { |
,if (((~diff)|newdiff)<0) { /* use | to avoid two branches for gforth-native */ |
,) |
,) |
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\+ |
\+ |
Line 1400 longname2=listlfind(c_addr, u, longname1
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Line 1437 longname2=listlfind(c_addr, u, longname1
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REPEAT THEN nip nip ; |
REPEAT THEN nip nip ; |
: (findl-samelen) ( u longname1 -- u longname2/0 ) |
: (findl-samelen) ( u longname1 -- u longname2/0 ) |
BEGIN 2dup cell+ @ lcount-mask and <> WHILE @ dup 0= UNTIL THEN ; |
BEGIN 2dup cell+ @ lcount-mask and <> WHILE @ dup 0= UNTIL THEN ; |
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: capscomp ( c_addr1 u c_addr2 -- n ) |
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swap bounds |
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?DO dup c@ I c@ <> |
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IF dup c@ toupper I c@ toupper = |
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ELSE true THEN WHILE 1+ LOOP drop 0 |
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ELSE c@ toupper I c@ toupper - unloop THEN sgn ; |
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: sgn ( n -- -1/0/1 ) |
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dup 0= IF EXIT THEN 0< 2* 1+ ; |
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\+hash |
\+hash |
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Line 2482 compile_prim1(a_prim);
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Line 2527 compile_prim1(a_prim);
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finish-code ( -- ) gforth finish_code |
finish-code ( -- ) gforth finish_code |
""Perform delayed steps in code generation (branch resolution, I-cache |
""Perform delayed steps in code generation (branch resolution, I-cache |
flushing)."" |
flushing)."" |
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IF_spTOS(sp[0]=spTOS); /* workaround for failing to save spTOS |
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(gcc-2.95.1, gforth-fast --enable-force-reg) */ |
finish_code(); |
finish_code(); |
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IF_spTOS(spTOS=sp[0]); |
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forget-dyncode ( c_code -- f ) gforth-internal forget_dyncode |
forget-dyncode ( c_code -- f ) gforth-internal forget_dyncode |
f = forget_dyncode(c_code); |
f = forget_dyncode(c_code); |
Line 2517 a_addr = groups;
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Line 2565 a_addr = groups;
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\g static_super |
\g static_super |
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\C #if !defined(GFORTH_DEBUGGING) && !defined(INDIRECT_THREADED) && !defined(DOUBLY_INDIRECT) && !defined(VM_PROFILING) |
ifdef(`M4_ENGINE_FAST', |
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`include(peeprules.vmg)') |
include(peeprules.vmg) |
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\C #endif |
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\g end |
\g end |