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Rev 915 |
Rev 924 |
Line 512... |
Line 512... |
case 2:
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case 2:
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f->bb[pred].next[0] = f->bb[succ].next[0];
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f->bb[pred].next[0] = f->bb[succ].next[0];
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f->bb[pred].next[1] = f->bb[succ].next[1];
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f->bb[pred].next[1] = f->bb[succ].next[1];
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break;
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break;
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}
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}
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if (f->bb[pred].next[0] < 0) f->bb[pred].next[0] = f->bb[pred].next[1];
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if (f->bb[pred].next[0] == f->bb[pred].next[1]) f->bb[pred].next[1] = -1;
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if (f->bb[pred].next[0] == f->bb[pred].next[1]) f->bb[pred].next[1] = -1;
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f->bb[succ].type = BB_DEAD;
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f->bb[succ].type = BB_DEAD;
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//printf (" %x %x %x %x %x\n", f->bb[pred].next[0], f->bb[pred].next[1], f->bb[succ].next[0], f->bb[succ].next[1], insn[ninsn - 1].type);
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/* remove branch instruction, if there is only one successor */
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/* remove branch instruction, if there is only one successor */
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if (f->bb[pred].next[1] < 0 && insn[ninsn - 1].type & IT_BRANCH
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if (f->bb[pred].next[1] < 0 && insn[ninsn - 1].type & IT_BRANCH
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&& f->bb[pred].next[0] != pred) /* not when end BB, loop */
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&& f->bb[pred].next[0] != pred) /* not when end BB, loop */
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change_insn_type (&insn[ninsn - 1], II_NOP);
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change_insn_type (&insn[ninsn - 1], II_NOP);
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