| Line 67... |
Line 67... |
/* Prints out instructions */
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/* Prints out instructions */
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void print_cuc_insns (char *s, int verbose)
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void print_cuc_insns (char *s, int verbose)
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{
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{
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int i, j;
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int i, j;
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PRINTF ("****************** %s ******************\n", s);
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PRINTF ("****************** %s ******************\n", s);
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print_insns (insn, num_insn,verbose);
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print_insns (0, insn, num_insn,verbose);
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PRINTF ("\n\n");
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PRINTF ("\n\n");
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}
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}
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|
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void xchg_insn (int i, int j)
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void xchg_insn (int i, int j)
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{
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{
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| Line 229... |
Line 229... |
void expand_branch ()
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void expand_branch ()
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{
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{
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int i, j, num_bra = 0, d;
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int i, j, num_bra = 0, d;
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for (i = 0; i < num_insn; i++) if (insn[i].type & IT_BRANCH) num_bra++;
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for (i = 0; i < num_insn; i++) if (insn[i].type & IT_BRANCH) num_bra++;
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|
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d = num_insn + num_bra;
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d = num_insn + 2 * num_bra;
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assert (d < MAX_INSNS);
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assert (d < MAX_INSNS);
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|
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/* Add nop before branch */
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/* Add nop before branch */
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for (i = num_insn - 1; i >= 0; i--) if (insn[i].type & IT_BRANCH) {
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for (i = num_insn - 1; i >= 0; i--) if (insn[i].type & IT_BRANCH) {
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insn[--d] = insn[i];
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insn[--d] = insn[i]; // for delay slot (later)
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insn[--d] = insn[i];
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if (insn[d].opt[1] & OPT_REGISTER) {
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reloc[i] = d;
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assert (insn[d].op[1] == FLAG_REG);
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insn[d].op[1] = i; insn[d].opt[1] = OPT_REF;
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}
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insn[--d] = insn[i]; // for branch
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change_insn_type (&insn[d], II_NOP);
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change_insn_type (&insn[d], II_NOP);
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insn[--d] = insn[i]; // save flag & negation of conditional, if required
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change_insn_type (&insn[d], II_CMOV);
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insn[d].op[0] = -1; insn[d].opt[0] = OPT_REGISTER | OPT_DEST;
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insn[d].op[1] = insn[d].type & IT_FLAG1 ? 0 : 1; insn[d].opt[1] = OPT_CONST;
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insn[d].op[2] = insn[d].type & IT_FLAG1 ? 1 : 0; insn[d].opt[2] = OPT_CONST;
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insn[d].op[3] = FLAG_REG; insn[d].opt[3] = OPT_REGISTER;
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insn[d].type = IT_COND;
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if (insn[d].type)
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reloc[i] = d;
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} else {
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} else {
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insn[--d] = insn[i];
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insn[--d] = insn[i];
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reloc[i] = d;
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reloc[i] = d;
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}
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}
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num_insn += num_bra;
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num_insn += 2 * num_bra;
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for (i = 0; i < num_insn; i++)
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for (i = 0; i < num_insn; i++)
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for (j = 0; j < MAX_OPERANDS; j++)
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for (j = 0; j < MAX_OPERANDS; j++)
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if (insn[i].opt[j] & OPT_REF || insn[i].opt[j] & OPT_JUMP)
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if (insn[i].opt[j] & OPT_REF || insn[i].opt[j] & OPT_JUMP)
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insn[i].op[j] = reloc[insn[i].op[j]];
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insn[i].op[j] = reloc[insn[i].op[j]];
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}
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}
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| Line 441... |
Line 453... |
change_insn_type (&insn[i], II_BF);
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change_insn_type (&insn[i], II_BF);
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insn[i].op[0] = i + insn[i].op[0]; insn[i].opt[0] = OPT_JUMP;
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insn[i].op[0] = i + insn[i].op[0]; insn[i].opt[0] = OPT_JUMP;
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insn[i].op[1] = 1; insn[i].opt[1] = OPT_CONST;
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insn[i].op[1] = 1; insn[i].opt[1] = OPT_CONST;
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insn[i].type |= IT_BRANCH | IT_VOLATILE;
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insn[i].type |= IT_BRANCH | IT_VOLATILE;
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} else {
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} else {
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i--;
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/* repair params */
|
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insn[i].op[2] = insn[i].op[1]; insn[i].opt[2] = insn[i].opt[1] & ~OPT_DEST;
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insn[i].op[1] = insn[i].op[0]; insn[i].opt[1] = insn[i].opt[0] & ~OPT_DEST;
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insn[i].op[0] = FLAG_REG; insn[i].opt[0] = OPT_DEST | OPT_REGISTER;
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insn[i].opt[3] = OPT_NONE;
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insn[i].type |= IT_COND;
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if (f) negate_conditional (&insn[i]);
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i++;
|
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change_insn_type (&insn[i], II_BF);
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change_insn_type (&insn[i], II_BF);
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insn[i].op[0] = i + insn[i].op[0]; insn[i].opt[0] = OPT_JUMP;
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insn[i].op[0] = i + insn[i].op[0]; insn[i].opt[0] = OPT_JUMP;
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insn[i].op[1] = FLAG_REG; insn[i].opt[1] = OPT_REGISTER;
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insn[i].op[1] = FLAG_REG; insn[i].opt[1] = OPT_REGISTER;
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insn[i].type |= IT_BRANCH | IT_VOLATILE;
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insn[i].type |= IT_BRANCH | IT_VOLATILE;
|
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if (f) insn[i].type |= IT_FLAG1;
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}
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}
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} else {
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} else {
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insn[i].index = -1;
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insn[i].index = -1;
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for (j = 0; j < sizeof (conv) / sizeof (cuc_conv); j++)
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for (j = 0; j < sizeof (conv) / sizeof (cuc_conv); j++)
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if (strcmp (conv[j].from, name) == 0) {
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if (strcmp (conv[j].from, name) == 0) {
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| Line 470... |
Line 474... |
if (strcmp (name, "l.movhi") == 0) {
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if (strcmp (name, "l.movhi") == 0) {
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insn[i].op[1] <<= 16;
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insn[i].op[1] <<= 16;
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insn[i].op[2] = 0;
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insn[i].op[2] = 0;
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insn[i].opt[2] = OPT_CONST;
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insn[i].opt[2] = OPT_CONST;
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}
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}
|
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if (insn[i].index == II_SFEQ || insn[i].index == II_SFNE
|
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|| insn[i].index == II_SFLE || insn[i].index == II_SFGT
|
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|| insn[i].index == II_SFGE || insn[i].index == II_SFLT) {
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/* repair params */
|
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insn[i].op[2] = insn[i].op[1]; insn[i].opt[2] = insn[i].opt[1] & ~OPT_DEST;
|
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insn[i].op[1] = insn[i].op[0]; insn[i].opt[1] = insn[i].opt[0] & ~OPT_DEST;
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insn[i].op[0] = FLAG_REG; insn[i].opt[0] = OPT_DEST | OPT_REGISTER;
|
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insn[i].opt[3] = OPT_NONE;
|
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insn[i].type |= IT_COND;
|
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}
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if (insn[i].index < 0 || insn[i].index == II_NOP && insn[i].op[0] != 0) {
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if (insn[i].index < 0 || insn[i].index == II_NOP && insn[i].op[0] != 0) {
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cucdebug (1, "Instruction #%i: \"%s\" not supported (2).\n", i, name);
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cucdebug (1, "Instruction #%i: \"%s\" not supported (2).\n", i, name);
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log ("Instruction #%i: \"%s\" not supported (2).\n", i, name);
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log ("Instruction #%i: \"%s\" not supported (2).\n", i, name);
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return 1;
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return 1;
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}
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}
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