modyfications in search for more speed

This commit is contained in:
ceriel 1988-10-31 15:54:54 +00:00
parent 7851ff900f
commit 8fab3192b6
2 changed files with 48 additions and 377 deletions

View file

@ -27,318 +27,59 @@ extern short em_ptyp[]; /* One per parameter kind: indicates parameter type */
static char *C_error;
char *C_tmpdir;
static int listtype = 0; /* indicates pseudo when generating code for
variable length argument lists
(only for MES)
*/
#ifdef CHECKING
/* c_getarg: Check the argument indicated by "args".
The argument must be of a type allowed by "typset".
Return a pointer to the next argument.
*/
PRIVATE
checkarg(arg, typset)
register struct e_arg *arg;
{
if (((!typset) && arg->ema_argtype) ||
((!arg->ema_argtype) && typset)) {
/* End of arguments expected, but there are more, or
an argument expected, but there is none
*/
C_error = "Illegal number of parameters";
return 0;
}
if (!(arg->ema_argtype & typset)) {
/* Type error */
C_error = "Illegal parameter type";
return 0;
}
return 1;
}
#else not CHECKING
#define checkarg(arg, x) 1
#endif CHECKING
/* EM_doinstr: An EM instruction
*/
PRIVATE
EM_doinstr(p)
EXPORT int
C_out(p)
register struct e_instr *p;
{
C_error = 0;
switch(p->em_type) {
default:
C_error = "Illegal EM line";
break;
case EM_MNEM:
/* normal instruction */
{
register int parametertype; /* parametertype of the instruction */
parametertype = em_flag[p->em_opcode-sp_fmnem] & EM_PAR;
#ifdef CHECKING
if (parametertype != PAR_NO && parametertype != PAR_W) {
if (p->em_argtype == 0) {
C_error = "Illegal number of parameters";
return;
}
}
#endif CHECKING
switch(parametertype) {
case PAR_NO:
break;
default:
if (! checkarg(&(p->em_arg), em_ptyp[parametertype])) {
return;
}
break;
case PAR_W:
if (p->em_argtype != 0) {
if (! checkarg(&(p->em_arg), cst_ptyp)) return;
}
else {
#include "C_mnem_narg"
return;
}
break;
}
#include "C_mnem"
}
break;
case EM_DEFILB:
/* defining occurrence of an instruction label */
C_df_ilb(p->em_ilb);
break;
#ifdef ____
PRIVATE
EM_dopseudo(p)
register struct e_instr *p;
{
switch(p->em_opcode) {
case ps_exc: {
C_exc(p->em_exc1, p->em_exc2);
case EM_DEFDLB:
/* defining occurrence of a global data label */
C_df_dlb(p->em_dlb);
break;
}
case ps_hol: {
if (! checkarg(&(p->em_arg), par_ptyp)) break;
switch(p->em_argtype) {
case cst_ptyp:
C_hol_cst(EM_holsize,
p->em_cst,
EM_holinit);
case EM_DEFDNAM:
/* defining occurrence of a non-numeric data label */
C_df_dnam(p->em_dnam);
break;
case ico_ptyp:
C_hol_icon(EM_holsize,
p->em_string,
p->em_size,
EM_holinit);
case EM_PSEU:
/* pseudo */
EM_dopseudo(p);
break;
case uco_ptyp:
C_hol_ucon(EM_holsize,
p->em_string,
p->em_size,
EM_holinit);
break;
case fco_ptyp:
C_hol_fcon(EM_holsize,
p->em_string,
p->em_size,
EM_holinit);
break;
case sof_ptyp:
C_hol_dnam(EM_holsize,
p->em_dnam,
p->em_off,
EM_holinit);
break;
case nof_ptyp:
C_hol_dlb(EM_holsize,
p->em_dlb,
p->em_off,
EM_holinit);
break;
case ilb_ptyp:
C_hol_ilb(EM_holsize,
p->em_ilb,
EM_holinit);
break;
case pro_ptyp:
C_hol_pnam(EM_holsize,
p->em_pnam,
EM_holinit);
break;
default:
C_error = "Illegal parameter type";
break;
}
break;
}
case ps_bss: {
if (! checkarg(&(p->em_arg), par_ptyp)) break;
switch(p->em_argtype) {
case cst_ptyp:
C_bss_cst(EM_bsssize,
p->em_cst,
EM_bssinit);
break;
case ico_ptyp:
C_bss_icon(EM_bsssize,
p->em_string,
p->em_size,
EM_bssinit);
break;
case uco_ptyp:
C_bss_ucon(EM_bsssize,
p->em_string,
p->em_size,
EM_bssinit);
break;
case fco_ptyp:
C_bss_fcon(EM_bsssize,
p->em_string,
p->em_size,
EM_bssinit);
break;
case sof_ptyp:
C_bss_dnam(EM_bsssize,
p->em_dnam,
p->em_off,
EM_bssinit);
break;
case nof_ptyp:
C_bss_dlb(EM_bsssize,
p->em_dlb,
p->em_off,
EM_bssinit);
break;
case ilb_ptyp:
C_bss_ilb(EM_bsssize,
p->em_ilb,
EM_bssinit);
break;
case pro_ptyp:
C_bss_pnam(EM_bsssize,
p->em_pnam,
EM_bssinit);
break;
default:
C_error = "Illegal parameter type";
break;
}
break;
}
case ps_end:
if (p->em_argtype != 0) {
if (! checkarg(&(p->em_arg), cst_ptyp)) break;
C_end(p->em_cst);
break;
}
C_end_narg();
break;
case ps_exa:
case ps_ina:
if (! checkarg(&(p->em_arg), lab_ptyp)) break;
if (p->em_argtype == nof_ptyp) {
if (p->em_opcode == ps_exa) {
C_exa_dlb(p->em_dlb);
}
else C_ina_dlb(p->em_dlb);
break;
}
if (p->em_opcode == ps_exa) {
C_exa_dnam(p->em_dnam);
}
else C_ina_dnam(p->em_dnam);
break;
case ps_exp:
if (! checkarg(&(p->em_arg), pro_ptyp)) break;
C_exp(p->em_pnam);
break;
case ps_inp:
if (! checkarg(&(p->em_arg), pro_ptyp)) break;
C_inp(p->em_pnam);
break;
case ps_pro:
if (! checkarg(&(p->em_arg), pro_ptyp)) break;
if (p->em_nlocals >= 0) {
C_pro(p->em_pnam, p->em_nlocals);
}
else C_pro_narg(p->em_pnam);
break;
case ps_con:
if (! checkarg(&(p->em_arg), val_ptyp)) break;
switch(p->em_argtype) {
case ilb_ptyp:
C_con_ilb(p->em_ilb);
break;
case nof_ptyp:
C_con_dlb(p->em_dlb, p->em_off);
break;
case sof_ptyp:
C_con_dnam(p->em_dnam, p->em_off);
break;
case cst_ptyp:
C_con_cst(p->em_cst);
break;
case pro_ptyp:
C_con_pnam(p->em_pnam);
break;
case str_ptyp:
C_con_scon(p->em_string, p->em_size);
break;
case ico_ptyp:
C_con_icon(p->em_string, p->em_size);
break;
case uco_ptyp:
C_con_ucon(p->em_string, p->em_size);
break;
case fco_ptyp:
C_con_fcon(p->em_string, p->em_size);
break;
default:
C_error = "Illegal argument type";
return;
}
break;
case ps_rom:
if (! checkarg(&(p->em_arg), val_ptyp)) break;
switch(p->em_argtype) {
case ilb_ptyp:
C_rom_ilb(p->em_ilb);
break;
case nof_ptyp:
C_rom_dlb(p->em_dlb, p->em_off);
break;
case sof_ptyp:
C_rom_dnam(p->em_dnam, p->em_off);
break;
case cst_ptyp:
C_rom_cst(p->em_cst);
break;
case pro_ptyp:
C_rom_pnam(p->em_pnam);
break;
case str_ptyp:
C_rom_scon(p->em_string, p->em_size);
break;
case ico_ptyp:
C_rom_icon(p->em_string, p->em_size);
break;
case uco_ptyp:
C_rom_ucon(p->em_string, p->em_size);
break;
case fco_ptyp:
C_rom_fcon(p->em_string, p->em_size);
break;
default:
C_error = "Illegal argument type";
return;
}
break;
default:
C_error = "Illegal pseudo instruction";
break;
}
}
#endif
PRIVATE
EM_docon(p)
register struct e_instr *p;
{
checkarg(&(p->em_arg), val_ptyp);
case EM_STARTMES:
/* start of a MES pseudo */
C_mes_begin((int) (p->em_cst));
break;
case EM_MESARG:
switch(p->em_argtype) {
case ilb_ptyp:
C_ilb(p->em_ilb);
@ -371,78 +112,9 @@ EM_docon(p)
C_error = "Illegal argument type";
break;
}
}
PRIVATE
EM_dostartmes(p)
register struct e_instr *p;
{
if (listtype) {
C_error = "Message not ended";
return;
}
if (! checkarg(&(p->em_arg), cst_ptyp)) return;
C_mes_begin((int) (p->em_cst));
listtype = ps_mes;
}
EXPORT int
C_out(line)
register struct e_instr *line;
{
#ifdef CHECKING
if (listtype && line->em_type != EM_MESARG && line->em_type != EM_ENDMES) {
C_error = "Message not ended";
return 0;
}
#endif CHECKING
C_error = 0;
switch(line->em_type) {
default:
C_error = "Illegal EM line";
break;
case EM_MNEM:
/* normal instruction */
EM_doinstr(line);
break;
case EM_DEFILB:
/* defining occurrence of an instruction label */
C_df_ilb(line->em_ilb);
break;
#ifdef ____
case EM_DEFDLB:
/* defining occurrence of a global data label */
C_df_dlb(line->em_dlb);
break;
case EM_DEFDNAM:
/* defining occurrence of a non-numeric data label */
C_df_dnam(line->em_dnam);
break;
case EM_PSEU:
/* pseudo */
EM_dopseudo(line);
break;
#endif
case EM_STARTMES:
/* start of a MES pseudo */
EM_dostartmes(line);
break;
case EM_MESARG:
case EM_ENDMES:
#ifdef CHECKING
if (!listtype) {
C_error = "Message not started";
return 0;
}
#endif
if (line->em_type == EM_MESARG) {
EM_docon(line);
break;
}
C_mes_end();
listtype = 0;
break;
}
if (C_error) return 0;

View file

@ -1,4 +1,4 @@
trap "rm -f tmp$$" 1 2 3 15
trap "rm -f tmp$$" 0 1 2 3 15
cp C_out_skel.c tmp$$
ed - tmp$$ <<'EOF'
/^#include "C_mnem_narg"/d
@ -9,4 +9,3 @@ w
q
EOF
cat tmp$$
rm -f tmp$$