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This commit is contained in:
ceriel 1986-12-05 17:17:03 +00:00
parent 8fd1977ab0
commit 4b3e6a8ab6
2 changed files with 43 additions and 13 deletions
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5
mach/i86/as/mach0.c
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@ -1,4 +1,3 @@
#define DUK
#define RCSID0 "$Header$" #define RCSID0 "$Header$"
/* /*
@ -6,5 +5,5 @@
*/ */
#define THREE_PASS /* branch and offset optimization */ #define THREE_PASS /* branch and offset optimization */
#define LISTING /* enable listing facilities */ #define LISTING /* enable listing facilities */
#define RELOCATION #define RELOCATION /* generate relocation info */
#define NOLD #define DEBUG 0

51
mach/i86/as/mach5.c
View file

@ -11,7 +11,7 @@ ea_1(param) {
emit1(mrg_1 | param); emit1(mrg_1 | param);
switch(mrg_1 >> 6) { switch(mrg_1 >> 6) {
case 0: case 0:
if (mrg_1 == 6) { if (mrg_1 == 6 || (mrg_1 & 040)) {
#ifdef RELOCATION #ifdef RELOCATION
RELOMOVE(relonami, rel_1); RELOMOVE(relonami, rel_1);
newrelo(exp_1.typ, RELO2); newrelo(exp_1.typ, RELO2);
@ -138,7 +138,12 @@ addop(opc) register opc; {
if (mrg_2 >= 0300) { if (mrg_2 >= 0300) {
emit1(opc); ea_1((mrg_2&7)<<3); emit1(opc); ea_1((mrg_2&7)<<3);
} else if ((mrg_2 & 040) && mrg_1 == 0300) { } else if ((mrg_2 & 040) && mrg_1 == 0300) {
emit1(opc | 4); emitx((opc&1)+1,exp_2.val); emit1(opc | 4);
#ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
} else if (mrg_2 & 040) { } else if (mrg_2 & 040) {
if ((opc&1) == 0) { if ((opc&1) == 0) {
emit1(0200); emit1(0200);
@ -148,9 +153,15 @@ addop(opc) register opc; {
} else { } else {
emit1(0203); opc &= ~1; emit1(0203); opc &= ~1;
} }
ea_1(opc & 070); emitx((opc&1)+1,exp_2.val); ea_1(opc & 070);
#ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
} else if (mrg_1 >= 0300) { } else if (mrg_1 >= 0300) {
emit1(opc | 2); ea_2((mrg_1&7)<<3); emit1(opc | 2);
ea_2((mrg_1&7)<<3);
} else } else
badsyntax(); badsyntax();
} }
@ -185,6 +196,7 @@ callop(opc) register opc; {
regsize(1); regsize(1);
if (mrg_1 & 040) { if (mrg_1 & 040) {
if (opc == (040+(0351<<8))) { if (opc == (040+(0351<<8))) {
RELOMOVE(relonami, rel_1);
branch(0353,exp_1); branch(0353,exp_1);
} else { } else {
exp_1.val -= (DOTVAL+3); exp_1.val -= (DOTVAL+3);
@ -219,9 +231,20 @@ test(opc) register opc; {
if ((mrg_1 & 040) || mrg_2 >= 0300) if ((mrg_1 & 040) || mrg_2 >= 0300)
reverse(); reverse();
if ((mrg_2 & 040) && mrg_1 == 0300) { if ((mrg_2 & 040) && mrg_1 == 0300) {
emit1(0250 | opc); emitx((opc&1)+1,exp_2.val); emit1(0250 | opc);
#ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
} else if (mrg_2 & 040) { } else if (mrg_2 & 040) {
emit1(0366 | opc); ea_1(0<<3); emitx((opc&1)+1,exp_2.val); emit1(0366 | opc);
ea_1(0<<3);
#ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
} else if (mrg_1 >= 0300) { } else if (mrg_1 >= 0300) {
emit1(0204 | opc); ea_2((mrg_1&7)<<3); emit1(0204 | opc); ea_2((mrg_1&7)<<3);
} else } else
@ -238,10 +261,18 @@ mov(opc) register opc; {
} else if (mrg_2 & 040) { } else if (mrg_2 & 040) {
if (mrg_1 >= 0300) { if (mrg_1 >= 0300) {
emit1(0260 | opc<<3 | (mrg_1&7)); emit1(0260 | opc<<3 | (mrg_1&7));
emitx((opc&1)+1,exp_2.val); #ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
} else { } else {
emit1(0306 | opc); ea_1(0<<3); emit1(0306 | opc); ea_1(0<<3);
emitx((opc&1)+1,exp_2.val); #ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
} }
} else if (mrg_2 == 0300 && mrg_1 == 6) { } else if (mrg_2 == 0300 && mrg_1 == 6) {
emit1(0242 | opc); emit1(0242 | opc);
@ -253,8 +284,8 @@ mov(opc) register opc; {
} else if (mrg_1 == 0300 && mrg_2 == 6) { } else if (mrg_1 == 0300 && mrg_2 == 6) {
emit1(0240 | opc); emit1(0240 | opc);
#ifdef RELOCATION #ifdef RELOCATION
RELOMOVE(relonami, rel_1); RELOMOVE(relonami, rel_2);
newrelo(exp_1.typ, RELO2); newrelo(exp_2.typ, RELO2);
#endif #endif
emit2(exp_2.val); emit2(exp_2.val);
} else if (mrg_2 >= 0300) { } else if (mrg_2 >= 0300) {