adding the ability for the VM to use computed goto where available
with gcc v4.3.2 I found the combination of -O2 and computed goto to give the best performance; with -O3 performance was a little worse and computed goto was a wash.
This commit is contained in:
JeffBezanson
parent
b5897e0ad1
commit
3844191d70
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@ -8,11 +8,11 @@ EXENAME = $(NAME)
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LLTDIR = ../llt
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LLTDIR = ../llt
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LLT = $(LLTDIR)/libllt.a
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LLT = $(LLTDIR)/libllt.a
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FLAGS = -falign-functions -Wall -Wextra -Wno-strict-aliasing -I$(LLTDIR) $(CFLAGS)
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FLAGS = -falign-functions -Wall -Wextra -Wno-strict-aliasing -I$(LLTDIR) $(CFLAGS) -DUSE_COMPUTED_GOTO
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LIBS = $(LLT) -lm
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LIBS = $(LLT) -lm
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DEBUGFLAGS = -g -DDEBUG $(FLAGS)
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DEBUGFLAGS = -g -DDEBUG $(FLAGS)
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SHIPFLAGS = -O3 -DNDEBUG -fomit-frame-pointer -march=native $(FLAGS)
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SHIPFLAGS = -O2 -DNDEBUG -fomit-frame-pointer -march=native $(FLAGS)
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default: release test
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default: release test
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@ -832,6 +832,16 @@ static value_t do_trycatch()
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#define PUT_INT32(a,i) (*(int32_t*)(a) = (int32_t)(i))
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#define PUT_INT32(a,i) (*(int32_t*)(a) = (int32_t)(i))
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#endif
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#endif
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#ifdef USE_COMPUTED_GOTO
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#define OP(x) L_##x:
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#define NEXT_OP goto *vm_labels[*ip++]
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#define DISPATCH goto *vm_labels[op]
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#else
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#define OP(x) case x:
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#define NEXT_OP goto next_op
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#define DISPATCH goto dispatch
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#endif
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/*
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/*
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stack on entry: <func> <up to MAX_ARGS args...> <arglist if nargs>MAX_ARGS>
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stack on entry: <func> <up to MAX_ARGS args...> <arglist if nargs>MAX_ARGS>
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caller's responsibility:
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caller's responsibility:
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@ -847,9 +857,10 @@ static value_t do_trycatch()
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*/
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*/
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static value_t apply_cl(uint32_t nargs)
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static value_t apply_cl(uint32_t nargs)
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{
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{
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VM_LABELS;
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// frame variables
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// frame variables
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uint32_t n, captured;
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uint32_t n, captured;
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value_t *bp;
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uint32_t bp;
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const uint8_t *ip;
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const uint8_t *ip;
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fixnum_t s, hi;
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fixnum_t s, hi;
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@ -871,15 +882,20 @@ static value_t apply_cl(uint32_t nargs)
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lerror(MemoryError, "stack overflow");
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lerror(MemoryError, "stack overflow");
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ip += 4;
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ip += 4;
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bp = &Stack[SP-nargs];
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bp = SP-nargs;
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PUSH(fn_env(func));
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PUSH(fn_env(func));
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{
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{
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#ifdef USE_COMPUTED_GOTO
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{
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NEXT_OP;
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#else
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next_op:
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next_op:
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op = *ip++;
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op = *ip++;
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dispatch:
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dispatch:
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switch (op) {
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switch (op) {
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case OP_ARGC:
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#endif
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OP(OP_ARGC)
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n = *ip++;
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n = *ip++;
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if (nargs != n) {
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if (nargs != n) {
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if (nargs > n)
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if (nargs > n)
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@ -887,13 +903,13 @@ static value_t apply_cl(uint32_t nargs)
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else
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else
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lerror(ArgError, "apply: too few arguments");
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lerror(ArgError, "apply: too few arguments");
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}
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}
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goto next_op;
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NEXT_OP;
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case OP_VARGC:
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OP(OP_VARGC)
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i = *ip++;
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i = *ip++;
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s = (fixnum_t)nargs - (fixnum_t)i;
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s = (fixnum_t)nargs - (fixnum_t)i;
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v = NIL;
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v = NIL;
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if (s > 0) {
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if (s > 0) {
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v = list(&bp[i], s);
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v = list(&Stack[bp+i], s);
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if (nargs > MAX_ARGS) {
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if (nargs > MAX_ARGS) {
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if (s == 1) {
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if (s == 1) {
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v = car_(v);
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v = car_(v);
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@ -903,8 +919,8 @@ static value_t apply_cl(uint32_t nargs)
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(c-2)->cdr = (c-1)->car;
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(c-2)->cdr = (c-1)->car;
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}
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}
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}
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}
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bp[i] = v;
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Stack[bp+i] = v;
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bp[i+1] = bp[nargs];
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Stack[bp+i+1] = Stack[bp+nargs];
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}
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}
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else if (s < 0) {
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else if (s < 0) {
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lerror(ArgError, "apply: too few arguments");
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lerror(ArgError, "apply: too few arguments");
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@ -915,9 +931,9 @@ static value_t apply_cl(uint32_t nargs)
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Stack[SP-2] = NIL;
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Stack[SP-2] = NIL;
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}
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}
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nargs = i+1;
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nargs = i+1;
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goto next_op;
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NEXT_OP;
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case OP_LARGC:
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OP(OP_LARGC)
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case OP_LVARGC:
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OP(OP_LVARGC)
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// move extra arguments from list to stack
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// move extra arguments from list to stack
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i = GET_INT32(ip); ip+=4;
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i = GET_INT32(ip); ip+=4;
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e = POP(); // cloenv
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e = POP(); // cloenv
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@ -933,7 +949,7 @@ static value_t apply_cl(uint32_t nargs)
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nargs++;
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nargs++;
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v = cdr_(v);
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v = cdr_(v);
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}
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}
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if (op == OP_LVARGC) {
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if (ip[-5] == OP_LVARGC) {
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PUSH(v);
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PUSH(v);
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nargs++;
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nargs++;
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}
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}
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@ -942,27 +958,27 @@ static value_t apply_cl(uint32_t nargs)
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lerror(ArgError, "apply: too many arguments");
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lerror(ArgError, "apply: too many arguments");
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}
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}
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PUSH(e);
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PUSH(e);
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goto next_op;
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NEXT_OP;
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case OP_LET:
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OP(OP_LET)
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// last arg is closure environment to use
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// last arg is closure environment to use
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nargs--;
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nargs--;
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POPN(1);
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POPN(1);
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goto next_op;
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NEXT_OP;
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case OP_NOP: goto next_op;
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OP(OP_NOP) NEXT_OP;
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case OP_DUP: SP++; Stack[SP-1] = Stack[SP-2]; goto next_op;
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OP(OP_DUP) SP++; Stack[SP-1] = Stack[SP-2]; NEXT_OP;
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case OP_POP: POPN(1); goto next_op;
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OP(OP_POP) POPN(1); NEXT_OP;
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case OP_TCALL:
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OP(OP_TCALL)
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n = *ip++; // nargs
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n = *ip++; // nargs
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do_tcall:
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do_tcall:
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if (isfunction(Stack[SP-n-1])) {
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if (isfunction(Stack[SP-n-1])) {
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for(s=-1; s < (fixnum_t)n; s++)
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for(s=-1; s < (fixnum_t)n; s++)
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bp[s] = Stack[SP-n+s];
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Stack[bp+s] = Stack[SP-n+s];
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SP = (bp-Stack)+n;
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SP = bp+n;
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nargs = n;
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nargs = n;
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goto apply_cl_top;
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goto apply_cl_top;
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}
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}
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goto do_call;
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goto do_call;
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case OP_CALL:
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OP(OP_CALL)
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n = *ip++; // nargs
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n = *ip++; // nargs
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do_call:
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do_call:
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func = Stack[SP-n-1];
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func = Stack[SP-n-1];
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@ -994,7 +1010,7 @@ static value_t apply_cl(uint32_t nargs)
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case OP_MUL: goto apply_mul;
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case OP_MUL: goto apply_mul;
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case OP_DIV: goto apply_div;
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case OP_DIV: goto apply_div;
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default:
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default:
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goto dispatch;
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DISPATCH;
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}
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}
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}
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}
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}
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}
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@ -1006,35 +1022,35 @@ static value_t apply_cl(uint32_t nargs)
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}
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}
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SP = s-n;
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SP = s-n;
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Stack[SP-1] = v;
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Stack[SP-1] = v;
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goto next_op;
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NEXT_OP;
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case OP_JMP: ip += (ptrint_t)GET_INT16(ip); goto next_op;
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OP(OP_JMP) ip += (ptrint_t)GET_INT16(ip); NEXT_OP;
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case OP_BRF:
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OP(OP_BRF)
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v = POP();
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v = POP();
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if (v == FL_F) ip += (ptrint_t)GET_INT16(ip);
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if (v == FL_F) ip += (ptrint_t)GET_INT16(ip);
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else ip += 2;
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else ip += 2;
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goto next_op;
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NEXT_OP;
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case OP_BRT:
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OP(OP_BRT)
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v = POP();
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v = POP();
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if (v != FL_F) ip += (ptrint_t)GET_INT16(ip);
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if (v != FL_F) ip += (ptrint_t)GET_INT16(ip);
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else ip += 2;
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else ip += 2;
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goto next_op;
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NEXT_OP;
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case OP_JMPL: ip += (ptrint_t)GET_INT32(ip); goto next_op;
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OP(OP_JMPL) ip += (ptrint_t)GET_INT32(ip); NEXT_OP;
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case OP_BRFL:
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OP(OP_BRFL)
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v = POP();
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v = POP();
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if (v == FL_F) ip += (ptrint_t)GET_INT32(ip);
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if (v == FL_F) ip += (ptrint_t)GET_INT32(ip);
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else ip += 4;
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else ip += 4;
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goto next_op;
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NEXT_OP;
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case OP_BRTL:
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OP(OP_BRTL)
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v = POP();
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v = POP();
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if (v != FL_F) ip += (ptrint_t)GET_INT32(ip);
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if (v != FL_F) ip += (ptrint_t)GET_INT32(ip);
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else ip += 4;
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else ip += 4;
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goto next_op;
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NEXT_OP;
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case OP_RET: v = POP(); return v;
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OP(OP_RET) v = POP(); return v;
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case OP_EQ:
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OP(OP_EQ)
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Stack[SP-2] = ((Stack[SP-2] == Stack[SP-1]) ? FL_T : FL_F);
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Stack[SP-2] = ((Stack[SP-2] == Stack[SP-1]) ? FL_T : FL_F);
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POPN(1); goto next_op;
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POPN(1); NEXT_OP;
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case OP_EQV:
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OP(OP_EQV)
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if (Stack[SP-2] == Stack[SP-1]) {
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if (Stack[SP-2] == Stack[SP-1]) {
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v = FL_T;
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v = FL_T;
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}
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}
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@ -1045,8 +1061,8 @@ static value_t apply_cl(uint32_t nargs)
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v = equal(Stack[SP-2], Stack[SP-1]);
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v = equal(Stack[SP-2], Stack[SP-1]);
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}
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}
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Stack[SP-2] = v; POPN(1);
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Stack[SP-2] = v; POPN(1);
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goto next_op;
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NEXT_OP;
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case OP_EQUAL:
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OP(OP_EQUAL)
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if (Stack[SP-2] == Stack[SP-1]) {
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if (Stack[SP-2] == Stack[SP-1]) {
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v = FL_T;
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v = FL_T;
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}
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}
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@ -1054,42 +1070,42 @@ static value_t apply_cl(uint32_t nargs)
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v = equal(Stack[SP-2], Stack[SP-1]);
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v = equal(Stack[SP-2], Stack[SP-1]);
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}
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}
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Stack[SP-2] = v; POPN(1);
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Stack[SP-2] = v; POPN(1);
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goto next_op;
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NEXT_OP;
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case OP_PAIRP:
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OP(OP_PAIRP)
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Stack[SP-1] = (iscons(Stack[SP-1]) ? FL_T : FL_F); goto next_op;
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Stack[SP-1] = (iscons(Stack[SP-1]) ? FL_T : FL_F); NEXT_OP;
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case OP_ATOMP:
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OP(OP_ATOMP)
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Stack[SP-1] = (iscons(Stack[SP-1]) ? FL_F : FL_T); goto next_op;
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Stack[SP-1] = (iscons(Stack[SP-1]) ? FL_F : FL_T); NEXT_OP;
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case OP_NOT:
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OP(OP_NOT)
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Stack[SP-1] = ((Stack[SP-1]==FL_F) ? FL_T : FL_F); goto next_op;
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Stack[SP-1] = ((Stack[SP-1]==FL_F) ? FL_T : FL_F); NEXT_OP;
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case OP_NULLP:
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OP(OP_NULLP)
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Stack[SP-1] = ((Stack[SP-1]==NIL) ? FL_T : FL_F); goto next_op;
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Stack[SP-1] = ((Stack[SP-1]==NIL) ? FL_T : FL_F); NEXT_OP;
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case OP_BOOLEANP:
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OP(OP_BOOLEANP)
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v = Stack[SP-1];
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v = Stack[SP-1];
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Stack[SP-1] = ((v == FL_T || v == FL_F) ? FL_T:FL_F); goto next_op;
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Stack[SP-1] = ((v == FL_T || v == FL_F) ? FL_T:FL_F); NEXT_OP;
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case OP_SYMBOLP:
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OP(OP_SYMBOLP)
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Stack[SP-1] = (issymbol(Stack[SP-1]) ? FL_T : FL_F); goto next_op;
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Stack[SP-1] = (issymbol(Stack[SP-1]) ? FL_T : FL_F); NEXT_OP;
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case OP_NUMBERP:
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OP(OP_NUMBERP)
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v = Stack[SP-1];
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v = Stack[SP-1];
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Stack[SP-1] = (isfixnum(v) || iscprim(v) ? FL_T:FL_F); goto next_op;
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Stack[SP-1] = (isfixnum(v) || iscprim(v) ? FL_T:FL_F); NEXT_OP;
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case OP_FIXNUMP:
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OP(OP_FIXNUMP)
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Stack[SP-1] = (isfixnum(Stack[SP-1]) ? FL_T : FL_F); goto next_op;
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Stack[SP-1] = (isfixnum(Stack[SP-1]) ? FL_T : FL_F); NEXT_OP;
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case OP_BOUNDP:
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OP(OP_BOUNDP)
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sym = tosymbol(Stack[SP-1], "bound?");
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sym = tosymbol(Stack[SP-1], "bound?");
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Stack[SP-1] = ((sym->binding == UNBOUND) ? FL_F : FL_T);
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Stack[SP-1] = ((sym->binding == UNBOUND) ? FL_F : FL_T);
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goto next_op;
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NEXT_OP;
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||||||
case OP_BUILTINP:
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OP(OP_BUILTINP)
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v = Stack[SP-1];
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v = Stack[SP-1];
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Stack[SP-1] = (isbuiltin(v) || iscbuiltin(v)) ? FL_T : FL_F;
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Stack[SP-1] = (isbuiltin(v) || iscbuiltin(v)) ? FL_T : FL_F;
|
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goto next_op;
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NEXT_OP;
|
||||||
case OP_FUNCTIONP:
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OP(OP_FUNCTIONP)
|
||||||
v = Stack[SP-1];
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v = Stack[SP-1];
|
||||||
Stack[SP-1] = ((tag(v)==TAG_FUNCTION &&v!=FL_F&&v!=FL_T&&v!=NIL) ||
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Stack[SP-1] = ((tag(v)==TAG_FUNCTION &&v!=FL_F&&v!=FL_T&&v!=NIL) ||
|
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iscbuiltin(v)) ? FL_T : FL_F;
|
iscbuiltin(v)) ? FL_T : FL_F;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_VECTORP:
|
OP(OP_VECTORP)
|
||||||
Stack[SP-1] = (isvector(Stack[SP-1]) ? FL_T : FL_F); goto next_op;
|
Stack[SP-1] = (isvector(Stack[SP-1]) ? FL_T : FL_F); NEXT_OP;
|
||||||
|
|
||||||
case OP_CONS:
|
OP(OP_CONS)
|
||||||
if (curheap > lim)
|
if (curheap > lim)
|
||||||
gc(0);
|
gc(0);
|
||||||
c = (cons_t*)curheap;
|
c = (cons_t*)curheap;
|
||||||
|
|
@ -1097,24 +1113,24 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
c->car = Stack[SP-2];
|
c->car = Stack[SP-2];
|
||||||
c->cdr = Stack[SP-1];
|
c->cdr = Stack[SP-1];
|
||||||
Stack[SP-2] = tagptr(c, TAG_CONS);
|
Stack[SP-2] = tagptr(c, TAG_CONS);
|
||||||
POPN(1); goto next_op;
|
POPN(1); NEXT_OP;
|
||||||
case OP_CAR:
|
OP(OP_CAR)
|
||||||
v = Stack[SP-1];
|
v = Stack[SP-1];
|
||||||
if (!iscons(v)) type_error("car", "cons", v);
|
if (!iscons(v)) type_error("car", "cons", v);
|
||||||
Stack[SP-1] = car_(v);
|
Stack[SP-1] = car_(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_CDR:
|
OP(OP_CDR)
|
||||||
v = Stack[SP-1];
|
v = Stack[SP-1];
|
||||||
if (!iscons(v)) type_error("cdr", "cons", v);
|
if (!iscons(v)) type_error("cdr", "cons", v);
|
||||||
Stack[SP-1] = cdr_(v);
|
Stack[SP-1] = cdr_(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_SETCAR:
|
OP(OP_SETCAR)
|
||||||
car(Stack[SP-2]) = Stack[SP-1];
|
car(Stack[SP-2]) = Stack[SP-1];
|
||||||
POPN(1); goto next_op;
|
POPN(1); NEXT_OP;
|
||||||
case OP_SETCDR:
|
OP(OP_SETCDR)
|
||||||
cdr(Stack[SP-2]) = Stack[SP-1];
|
cdr(Stack[SP-2]) = Stack[SP-1];
|
||||||
POPN(1); goto next_op;
|
POPN(1); NEXT_OP;
|
||||||
case OP_LIST:
|
OP(OP_LIST)
|
||||||
n = *ip++;
|
n = *ip++;
|
||||||
apply_list:
|
apply_list:
|
||||||
if (n > 0) {
|
if (n > 0) {
|
||||||
|
|
@ -1125,10 +1141,13 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
else {
|
else {
|
||||||
PUSH(NIL);
|
PUSH(NIL);
|
||||||
}
|
}
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
|
|
||||||
case OP_TAPPLY:
|
OP(OP_TAPPLY)
|
||||||
case OP_APPLY:
|
OP(OP_APPLY)
|
||||||
|
#ifdef USE_COMPUTED_GOTO
|
||||||
|
op = ip[-1];
|
||||||
|
#endif
|
||||||
n = *ip++;
|
n = *ip++;
|
||||||
apply_apply:
|
apply_apply:
|
||||||
v = POP(); // arglist
|
v = POP(); // arglist
|
||||||
|
|
@ -1148,7 +1167,7 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
if (op==OP_TAPPLY) goto do_tcall;
|
if (op==OP_TAPPLY) goto do_tcall;
|
||||||
else goto do_call;
|
else goto do_call;
|
||||||
|
|
||||||
case OP_ADD:
|
OP(OP_ADD)
|
||||||
n = *ip++;
|
n = *ip++;
|
||||||
apply_add:
|
apply_add:
|
||||||
s = 0;
|
s = 0;
|
||||||
|
|
@ -1172,8 +1191,8 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
v = fixnum(s);
|
v = fixnum(s);
|
||||||
POPN(n);
|
POPN(n);
|
||||||
PUSH(v);
|
PUSH(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_ADD2:
|
OP(OP_ADD2)
|
||||||
if (bothfixnums(Stack[SP-1], Stack[SP-2])) {
|
if (bothfixnums(Stack[SP-1], Stack[SP-2])) {
|
||||||
s = numval(Stack[SP-1]) + numval(Stack[SP-2]);
|
s = numval(Stack[SP-1]) + numval(Stack[SP-2]);
|
||||||
if (fits_fixnum(s))
|
if (fits_fixnum(s))
|
||||||
|
|
@ -1186,8 +1205,8 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
}
|
}
|
||||||
POPN(1);
|
POPN(1);
|
||||||
Stack[SP-1] = v;
|
Stack[SP-1] = v;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_SUB:
|
OP(OP_SUB)
|
||||||
n = *ip++;
|
n = *ip++;
|
||||||
apply_sub:
|
apply_sub:
|
||||||
if (n == 2) goto do_sub2;
|
if (n == 2) goto do_sub2;
|
||||||
|
|
@ -1202,15 +1221,15 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
v = fl_add_any(&Stack[i], 2, 0);
|
v = fl_add_any(&Stack[i], 2, 0);
|
||||||
POPN(n);
|
POPN(n);
|
||||||
PUSH(v);
|
PUSH(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_NEG:
|
OP(OP_NEG)
|
||||||
do_neg:
|
do_neg:
|
||||||
if (isfixnum(Stack[SP-1]))
|
if (isfixnum(Stack[SP-1]))
|
||||||
Stack[SP-1] = fixnum(-numval(Stack[SP-1]));
|
Stack[SP-1] = fixnum(-numval(Stack[SP-1]));
|
||||||
else
|
else
|
||||||
Stack[SP-1] = fl_neg(Stack[SP-1]);
|
Stack[SP-1] = fl_neg(Stack[SP-1]);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_SUB2:
|
OP(OP_SUB2)
|
||||||
do_sub2:
|
do_sub2:
|
||||||
if (bothfixnums(Stack[SP-2], Stack[SP-1])) {
|
if (bothfixnums(Stack[SP-2], Stack[SP-1])) {
|
||||||
s = numval(Stack[SP-2]) - numval(Stack[SP-1]);
|
s = numval(Stack[SP-2]) - numval(Stack[SP-1]);
|
||||||
|
|
@ -1225,8 +1244,8 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
}
|
}
|
||||||
POPN(1);
|
POPN(1);
|
||||||
Stack[SP-1] = v;
|
Stack[SP-1] = v;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_MUL:
|
OP(OP_MUL)
|
||||||
n = *ip++;
|
n = *ip++;
|
||||||
apply_mul:
|
apply_mul:
|
||||||
accum = 1;
|
accum = 1;
|
||||||
|
|
@ -1250,8 +1269,8 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
}
|
}
|
||||||
POPN(n);
|
POPN(n);
|
||||||
PUSH(v);
|
PUSH(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_DIV:
|
OP(OP_DIV)
|
||||||
n = *ip++;
|
n = *ip++;
|
||||||
apply_div:
|
apply_div:
|
||||||
i = SP-n;
|
i = SP-n;
|
||||||
|
|
@ -1269,8 +1288,8 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
POPN(n);
|
POPN(n);
|
||||||
PUSH(v);
|
PUSH(v);
|
||||||
}
|
}
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_IDIV:
|
OP(OP_IDIV)
|
||||||
v = Stack[SP-2]; e = Stack[SP-1];
|
v = Stack[SP-2]; e = Stack[SP-1];
|
||||||
if (bothfixnums(v, e)) {
|
if (bothfixnums(v, e)) {
|
||||||
if (e==0) DivideByZeroError();
|
if (e==0) DivideByZeroError();
|
||||||
|
|
@ -1280,8 +1299,8 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
v = fl_idiv2(v, e);
|
v = fl_idiv2(v, e);
|
||||||
POPN(1);
|
POPN(1);
|
||||||
Stack[SP-1] = v;
|
Stack[SP-1] = v;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_NUMEQ:
|
OP(OP_NUMEQ)
|
||||||
v = Stack[SP-2]; e = Stack[SP-1];
|
v = Stack[SP-2]; e = Stack[SP-1];
|
||||||
if (bothfixnums(v, e))
|
if (bothfixnums(v, e))
|
||||||
v = (v == e) ? FL_T : FL_F;
|
v = (v == e) ? FL_T : FL_F;
|
||||||
|
|
@ -1289,8 +1308,8 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
v = (!numeric_compare(v,e,1,0,"=")) ? FL_T : FL_F;
|
v = (!numeric_compare(v,e,1,0,"=")) ? FL_T : FL_F;
|
||||||
POPN(1);
|
POPN(1);
|
||||||
Stack[SP-1] = v;
|
Stack[SP-1] = v;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_LT:
|
OP(OP_LT)
|
||||||
if (bothfixnums(Stack[SP-2], Stack[SP-1])) {
|
if (bothfixnums(Stack[SP-2], Stack[SP-1])) {
|
||||||
v = (numval(Stack[SP-2]) < numval(Stack[SP-1])) ? FL_T : FL_F;
|
v = (numval(Stack[SP-2]) < numval(Stack[SP-1])) ? FL_T : FL_F;
|
||||||
}
|
}
|
||||||
|
|
@ -1300,13 +1319,13 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
}
|
}
|
||||||
POPN(1);
|
POPN(1);
|
||||||
Stack[SP-1] = v;
|
Stack[SP-1] = v;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_COMPARE:
|
OP(OP_COMPARE)
|
||||||
Stack[SP-2] = compare(Stack[SP-2], Stack[SP-1]);
|
Stack[SP-2] = compare(Stack[SP-2], Stack[SP-1]);
|
||||||
POPN(1);
|
POPN(1);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
|
|
||||||
case OP_VECTOR:
|
OP(OP_VECTOR)
|
||||||
n = *ip++;
|
n = *ip++;
|
||||||
apply_vector:
|
apply_vector:
|
||||||
if (n > MAX_ARGS) {
|
if (n > MAX_ARGS) {
|
||||||
|
|
@ -1328,9 +1347,9 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
PUSH(v);
|
PUSH(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
|
|
||||||
case OP_AREF:
|
OP(OP_AREF)
|
||||||
v = Stack[SP-2];
|
v = Stack[SP-2];
|
||||||
if (isvector(v)) {
|
if (isvector(v)) {
|
||||||
i = tofixnum(Stack[SP-1], "aref");
|
i = tofixnum(Stack[SP-1], "aref");
|
||||||
|
|
@ -1346,8 +1365,8 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
}
|
}
|
||||||
POPN(1);
|
POPN(1);
|
||||||
Stack[SP-1] = v;
|
Stack[SP-1] = v;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_ASET:
|
OP(OP_ASET)
|
||||||
e = Stack[SP-3];
|
e = Stack[SP-3];
|
||||||
if (isvector(e)) {
|
if (isvector(e)) {
|
||||||
i = tofixnum(Stack[SP-2], "aset!");
|
i = tofixnum(Stack[SP-2], "aset!");
|
||||||
|
|
@ -1363,8 +1382,8 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
}
|
}
|
||||||
POPN(2);
|
POPN(2);
|
||||||
Stack[SP-1] = v;
|
Stack[SP-1] = v;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_FOR:
|
OP(OP_FOR)
|
||||||
s = tofixnum(Stack[SP-3], "for");
|
s = tofixnum(Stack[SP-3], "for");
|
||||||
hi = tofixnum(Stack[SP-2], "for");
|
hi = tofixnum(Stack[SP-2], "for");
|
||||||
//f = Stack[SP-1];
|
//f = Stack[SP-1];
|
||||||
|
|
@ -1379,31 +1398,31 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
}
|
}
|
||||||
POPN(4);
|
POPN(4);
|
||||||
Stack[SP-1] = v;
|
Stack[SP-1] = v;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
|
|
||||||
case OP_LOADT: PUSH(FL_T); goto next_op;
|
OP(OP_LOADT) PUSH(FL_T); NEXT_OP;
|
||||||
case OP_LOADF: PUSH(FL_F); goto next_op;
|
OP(OP_LOADF) PUSH(FL_F); NEXT_OP;
|
||||||
case OP_LOADNIL: PUSH(NIL); goto next_op;
|
OP(OP_LOADNIL) PUSH(NIL); NEXT_OP;
|
||||||
case OP_LOAD0: PUSH(fixnum(0)); goto next_op;
|
OP(OP_LOAD0) PUSH(fixnum(0)); NEXT_OP;
|
||||||
case OP_LOAD1: PUSH(fixnum(1)); goto next_op;
|
OP(OP_LOAD1) PUSH(fixnum(1)); NEXT_OP;
|
||||||
case OP_LOADI8: s = (int8_t)*ip++; PUSH(fixnum(s)); goto next_op;
|
OP(OP_LOADI8) s = (int8_t)*ip++; PUSH(fixnum(s)); NEXT_OP;
|
||||||
case OP_LOADV:
|
OP(OP_LOADV)
|
||||||
v = fn_vals(bp[-1]);
|
v = fn_vals(Stack[bp-1]);
|
||||||
assert(*ip < vector_size(v));
|
assert(*ip < vector_size(v));
|
||||||
v = vector_elt(v, *ip); ip++;
|
v = vector_elt(v, *ip); ip++;
|
||||||
PUSH(v);
|
PUSH(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_LOADVL:
|
OP(OP_LOADVL)
|
||||||
v = fn_vals(bp[-1]);
|
v = fn_vals(Stack[bp-1]);
|
||||||
v = vector_elt(v, GET_INT32(ip)); ip+=4;
|
v = vector_elt(v, GET_INT32(ip)); ip+=4;
|
||||||
PUSH(v);
|
PUSH(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_LOADGL:
|
OP(OP_LOADGL)
|
||||||
v = fn_vals(bp[-1]);
|
v = fn_vals(Stack[bp-1]);
|
||||||
v = vector_elt(v, GET_INT32(ip)); ip+=4;
|
v = vector_elt(v, GET_INT32(ip)); ip+=4;
|
||||||
goto do_loadg;
|
goto do_loadg;
|
||||||
case OP_LOADG:
|
OP(OP_LOADG)
|
||||||
v = fn_vals(bp[-1]);
|
v = fn_vals(Stack[bp-1]);
|
||||||
assert(*ip < vector_size(v));
|
assert(*ip < vector_size(v));
|
||||||
v = vector_elt(v, *ip); ip++;
|
v = vector_elt(v, *ip); ip++;
|
||||||
do_loadg:
|
do_loadg:
|
||||||
|
|
@ -1412,14 +1431,14 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
if (sym->binding == UNBOUND)
|
if (sym->binding == UNBOUND)
|
||||||
raise(list2(UnboundError, v));
|
raise(list2(UnboundError, v));
|
||||||
PUSH(sym->binding);
|
PUSH(sym->binding);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
|
|
||||||
case OP_SETGL:
|
OP(OP_SETGL)
|
||||||
v = fn_vals(bp[-1]);
|
v = fn_vals(Stack[bp-1]);
|
||||||
v = vector_elt(v, GET_INT32(ip)); ip+=4;
|
v = vector_elt(v, GET_INT32(ip)); ip+=4;
|
||||||
goto do_setg;
|
goto do_setg;
|
||||||
case OP_SETG:
|
OP(OP_SETG)
|
||||||
v = fn_vals(bp[-1]);
|
v = fn_vals(Stack[bp-1]);
|
||||||
assert(*ip < vector_size(v));
|
assert(*ip < vector_size(v));
|
||||||
v = vector_elt(v, *ip); ip++;
|
v = vector_elt(v, *ip); ip++;
|
||||||
do_setg:
|
do_setg:
|
||||||
|
|
@ -1428,103 +1447,113 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
v = Stack[SP-1];
|
v = Stack[SP-1];
|
||||||
if (sym->syntax != TAG_CONST)
|
if (sym->syntax != TAG_CONST)
|
||||||
sym->binding = v;
|
sym->binding = v;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
|
|
||||||
case OP_LOADA:
|
OP(OP_LOADA)
|
||||||
assert(nargs > 0);
|
assert(nargs > 0);
|
||||||
i = *ip++;
|
i = *ip++;
|
||||||
if (captured) {
|
if (captured) {
|
||||||
e = *bp;
|
e = Stack[bp];
|
||||||
assert(isvector(e));
|
assert(isvector(e));
|
||||||
assert(i < vector_size(e));
|
assert(i < vector_size(e));
|
||||||
v = vector_elt(e, i);
|
v = vector_elt(e, i);
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
v = bp[i];
|
v = Stack[bp+i];
|
||||||
}
|
}
|
||||||
PUSH(v);
|
PUSH(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_LOADA0:
|
OP(OP_LOADA0)
|
||||||
if (captured)
|
if (captured)
|
||||||
v = vector_elt(*bp, 0);
|
v = vector_elt(Stack[bp], 0);
|
||||||
else
|
else
|
||||||
v = *bp;
|
v = Stack[bp];
|
||||||
PUSH(v);
|
PUSH(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_LOADA1:
|
OP(OP_LOADA1)
|
||||||
if (captured)
|
if (captured)
|
||||||
v = vector_elt(*bp, 1);
|
v = vector_elt(Stack[bp], 1);
|
||||||
else
|
else
|
||||||
v = bp[1];
|
v = Stack[bp+1];
|
||||||
PUSH(v);
|
PUSH(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_LOADAL:
|
OP(OP_LOADAL)
|
||||||
assert(nargs > 0);
|
assert(nargs > 0);
|
||||||
i = GET_INT32(ip); ip+=4;
|
i = GET_INT32(ip); ip+=4;
|
||||||
if (captured)
|
if (captured)
|
||||||
v = vector_elt(*bp, i);
|
v = vector_elt(Stack[bp], i);
|
||||||
else
|
else
|
||||||
v = bp[i];
|
v = Stack[bp+i];
|
||||||
PUSH(v);
|
PUSH(v);
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_SETA:
|
OP(OP_SETA)
|
||||||
assert(nargs > 0);
|
assert(nargs > 0);
|
||||||
v = Stack[SP-1];
|
v = Stack[SP-1];
|
||||||
i = *ip++;
|
i = *ip++;
|
||||||
if (captured) {
|
if (captured) {
|
||||||
e = *bp;
|
e = Stack[bp];
|
||||||
assert(isvector(e));
|
assert(isvector(e));
|
||||||
assert(i < vector_size(e));
|
assert(i < vector_size(e));
|
||||||
vector_elt(e, i) = v;
|
vector_elt(e, i) = v;
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
bp[i] = v;
|
Stack[bp+i] = v;
|
||||||
}
|
}
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_SETAL:
|
OP(OP_SETAL)
|
||||||
assert(nargs > 0);
|
assert(nargs > 0);
|
||||||
v = Stack[SP-1];
|
v = Stack[SP-1];
|
||||||
i = GET_INT32(ip); ip+=4;
|
i = GET_INT32(ip); ip+=4;
|
||||||
if (captured)
|
if (captured)
|
||||||
vector_elt(*bp, i) = v;
|
vector_elt(Stack[bp], i) = v;
|
||||||
else
|
else
|
||||||
bp[i] = v;
|
Stack[bp+i] = v;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_LOADC:
|
OP(OP_LOADC)
|
||||||
case OP_SETC:
|
|
||||||
s = *ip++;
|
s = *ip++;
|
||||||
i = *ip++;
|
i = *ip++;
|
||||||
v = bp[nargs];
|
v = Stack[bp+nargs];
|
||||||
while (s--)
|
while (s--)
|
||||||
v = vector_elt(v, vector_size(v)-1);
|
v = vector_elt(v, vector_size(v)-1);
|
||||||
assert(isvector(v));
|
assert(isvector(v));
|
||||||
assert(i < vector_size(v));
|
assert(i < vector_size(v));
|
||||||
if (op == OP_SETC)
|
|
||||||
vector_elt(v, i) = Stack[SP-1];
|
|
||||||
else
|
|
||||||
PUSH(vector_elt(v, i));
|
PUSH(vector_elt(v, i));
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
case OP_LOADC00:
|
OP(OP_SETC)
|
||||||
PUSH(vector_elt(bp[nargs], 0));
|
s = *ip++;
|
||||||
goto next_op;
|
i = *ip++;
|
||||||
case OP_LOADC01:
|
v = Stack[bp+nargs];
|
||||||
PUSH(vector_elt(bp[nargs], 1));
|
|
||||||
goto next_op;
|
|
||||||
case OP_LOADCL:
|
|
||||||
case OP_SETCL:
|
|
||||||
s = GET_INT32(ip); ip+=4;
|
|
||||||
i = GET_INT32(ip); ip+=4;
|
|
||||||
v = bp[nargs];
|
|
||||||
while (s--)
|
while (s--)
|
||||||
v = vector_elt(v, vector_size(v)-1);
|
v = vector_elt(v, vector_size(v)-1);
|
||||||
if (op == OP_SETCL)
|
assert(isvector(v));
|
||||||
|
assert(i < vector_size(v));
|
||||||
vector_elt(v, i) = Stack[SP-1];
|
vector_elt(v, i) = Stack[SP-1];
|
||||||
else
|
NEXT_OP;
|
||||||
|
OP(OP_LOADC00)
|
||||||
|
PUSH(vector_elt(Stack[bp+nargs], 0));
|
||||||
|
NEXT_OP;
|
||||||
|
OP(OP_LOADC01)
|
||||||
|
PUSH(vector_elt(Stack[bp+nargs], 1));
|
||||||
|
NEXT_OP;
|
||||||
|
OP(OP_LOADCL)
|
||||||
|
s = GET_INT32(ip); ip+=4;
|
||||||
|
i = GET_INT32(ip); ip+=4;
|
||||||
|
v = Stack[bp+nargs];
|
||||||
|
while (s--)
|
||||||
|
v = vector_elt(v, vector_size(v)-1);
|
||||||
PUSH(vector_elt(v, i));
|
PUSH(vector_elt(v, i));
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
|
OP(OP_SETCL)
|
||||||
|
s = GET_INT32(ip); ip+=4;
|
||||||
|
i = GET_INT32(ip); ip+=4;
|
||||||
|
v = Stack[bp+nargs];
|
||||||
|
while (s--)
|
||||||
|
v = vector_elt(v, vector_size(v)-1);
|
||||||
|
vector_elt(v, i) = Stack[SP-1];
|
||||||
|
NEXT_OP;
|
||||||
|
|
||||||
case OP_CLOSURE:
|
OP(OP_CLOSURE)
|
||||||
case OP_COPYENV:
|
OP(OP_COPYENV)
|
||||||
// build a closure (lambda args body . env)
|
// build a closure (lambda args body . env)
|
||||||
if (nargs > 0 && !captured) {
|
if (nargs > 0 && !captured) {
|
||||||
// save temporary environment to the heap
|
// save temporary environment to the heap
|
||||||
|
|
@ -1534,17 +1563,17 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
pv[0] = fixnum(n+1);
|
pv[0] = fixnum(n+1);
|
||||||
pv++;
|
pv++;
|
||||||
do {
|
do {
|
||||||
pv[n] = bp[n];
|
pv[n] = Stack[bp+n];
|
||||||
} while (n--);
|
} while (n--);
|
||||||
// environment representation changed; install
|
// environment representation changed; install
|
||||||
// the new representation so everybody can see it
|
// the new representation so everybody can see it
|
||||||
captured = 1;
|
captured = 1;
|
||||||
*bp = Stack[SP-1];
|
Stack[bp] = Stack[SP-1];
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
PUSH(*bp); // env has already been captured; share
|
PUSH(Stack[bp]); // env has already been captured; share
|
||||||
}
|
}
|
||||||
if (op == OP_CLOSURE) {
|
if (ip[-1] == OP_CLOSURE) {
|
||||||
pv = alloc_words(4);
|
pv = alloc_words(4);
|
||||||
e = Stack[SP-2]; // closure to copy
|
e = Stack[SP-2]; // closure to copy
|
||||||
assert(isfunction(e));
|
assert(isfunction(e));
|
||||||
|
|
@ -1554,19 +1583,25 @@ static value_t apply_cl(uint32_t nargs)
|
||||||
POPN(1);
|
POPN(1);
|
||||||
Stack[SP-1] = tagptr(pv, TAG_FUNCTION);
|
Stack[SP-1] = tagptr(pv, TAG_FUNCTION);
|
||||||
}
|
}
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
|
|
||||||
case OP_TRYCATCH:
|
OP(OP_TRYCATCH)
|
||||||
v = do_trycatch();
|
v = do_trycatch();
|
||||||
POPN(1);
|
POPN(1);
|
||||||
Stack[SP-1] = v;
|
Stack[SP-1] = v;
|
||||||
goto next_op;
|
NEXT_OP;
|
||||||
|
|
||||||
|
#ifndef USE_COMPUTED_GOTO
|
||||||
default:
|
default:
|
||||||
goto dispatch;
|
goto dispatch;
|
||||||
|
#endif
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
#ifdef USE_COMPUTED_GOTO
|
||||||
|
return UNBOUND; // not reached
|
||||||
|
#else
|
||||||
goto dispatch;
|
goto dispatch;
|
||||||
|
#endif
|
||||||
}
|
}
|
||||||
|
|
||||||
static uint32_t compute_maxstack(uint8_t *code, size_t len)
|
static uint32_t compute_maxstack(uint8_t *code, size_t len)
|
||||||
|
|
|
||||||
|
|
@ -32,4 +32,44 @@ enum {
|
||||||
N_OPCODES
|
N_OPCODES
|
||||||
};
|
};
|
||||||
|
|
||||||
|
#ifdef USE_COMPUTED_GOTO
|
||||||
|
#define VM_LABELS \
|
||||||
|
static void *vm_labels[] = { \
|
||||||
|
&&L_OP_NOP, &&L_OP_DUP, &&L_OP_POP, &&L_OP_CALL, &&L_OP_TCALL, &&L_OP_JMP, \
|
||||||
|
&&L_OP_BRF, &&L_OP_BRT, \
|
||||||
|
&&L_OP_JMPL, &&L_OP_BRFL, &&L_OP_BRTL, &&L_OP_RET, \
|
||||||
|
\
|
||||||
|
&&L_OP_EQ, &&L_OP_EQV, &&L_OP_EQUAL, &&L_OP_ATOMP, &&L_OP_NOT, \
|
||||||
|
&&L_OP_NULLP, &&L_OP_BOOLEANP, \
|
||||||
|
&&L_OP_SYMBOLP, &&L_OP_NUMBERP, &&L_OP_BOUNDP, &&L_OP_PAIRP, \
|
||||||
|
&&L_OP_BUILTINP, &&L_OP_VECTORP, \
|
||||||
|
&&L_OP_FIXNUMP, &&L_OP_FUNCTIONP, \
|
||||||
|
\
|
||||||
|
&&L_OP_CONS, &&L_OP_LIST, &&L_OP_CAR, &&L_OP_CDR, &&L_OP_SETCAR, \
|
||||||
|
&&L_OP_SETCDR, &&L_OP_APPLY, \
|
||||||
|
\
|
||||||
|
&&L_OP_ADD, &&L_OP_SUB, &&L_OP_MUL, &&L_OP_DIV, &&L_OP_IDIV, &&L_OP_NUMEQ, \
|
||||||
|
&&L_OP_LT, &&L_OP_COMPARE, \
|
||||||
|
\
|
||||||
|
&&L_OP_VECTOR, &&L_OP_AREF, &&L_OP_ASET, \
|
||||||
|
\
|
||||||
|
&&L_OP_LOADT, &&L_OP_LOADF, &&L_OP_LOADNIL, &&L_OP_LOAD0, &&L_OP_LOAD1, \
|
||||||
|
&&L_OP_LOADI8, \
|
||||||
|
&&L_OP_LOADV, &&L_OP_LOADVL, \
|
||||||
|
&&L_OP_LOADG, &&L_OP_LOADGL, \
|
||||||
|
&&L_OP_LOADA, &&L_OP_LOADAL, &&L_OP_LOADC, &&L_OP_LOADCL, \
|
||||||
|
&&L_OP_SETG, &&L_OP_SETGL, \
|
||||||
|
&&L_OP_SETA, &&L_OP_SETAL, &&L_OP_SETC, &&L_OP_SETCL, \
|
||||||
|
\
|
||||||
|
&&L_OP_CLOSURE, &&L_OP_ARGC, &&L_OP_VARGC, &&L_OP_TRYCATCH, \
|
||||||
|
&&L_OP_COPYENV, \
|
||||||
|
&&L_OP_LET, &&L_OP_FOR, \
|
||||||
|
&&L_OP_TAPPLY, &&L_OP_ADD2, &&L_OP_SUB2, &&L_OP_NEG, &&L_OP_LARGC, \
|
||||||
|
&&L_OP_LVARGC, \
|
||||||
|
&&L_OP_LOADA0, &&L_OP_LOADA1, &&L_OP_LOADC00, &&L_OP_LOADC01 \
|
||||||
|
}
|
||||||
|
#else
|
||||||
|
#define VM_LABELS
|
||||||
|
#endif
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue