contrib/gcc/gcse.c

1693 hash_scan_set (rtx pat, rtx insn, struct hash_table *table)
1695   rtx src = SET_SRC (pat);
1696   rtx dest = SET_DEST (pat);
1716 	src = XEXP (note, 0), pat = gen_rtx_SET (VOIDmode, dest, src);
1730 	  && ! set_noop_p (pat)
1765 		       && oprs_available_p (pat, tmp))))
1766 	insert_set_in_table (pat, insn, table);
1788 	   && ! set_noop_p (pat)
1843   rtx pat = PATTERN (insn);
1852   if (GET_CODE (pat) == SET)
1853     hash_scan_set (pat, insn, table);
1854   else if (GET_CODE (pat) == PARALLEL)
1855     for (i = 0; i < XVECLEN (pat, 0); i++)
1857 	rtx x = XVECEXP (pat, 0, i);
1867   else if (GET_CODE (pat) == CLOBBER)
1868     hash_scan_clobber (pat, insn, table);
1869   else if (GET_CODE (pat) == CALL)
1870     hash_scan_call (pat, insn, table);
2327 mark_set (rtx pat, rtx insn)
2329   rtx dest = SET_DEST (pat);
2341   if (GET_CODE (SET_SRC (pat)) == CALL)
2348 mark_clobber (rtx pat, rtx insn)
2350   rtx clob = XEXP (pat, 0);
2367   rtx pat = PATTERN (insn);
2370   if (GET_CODE (pat) == SET)
2371     mark_set (pat, insn);
2372   else if (GET_CODE (pat) == PARALLEL)
2373     for (i = 0; i < XVECLEN (pat, 0); i++)
2375 	rtx x = XVECEXP (pat, 0, i);
2385   else if (GET_CODE (pat) == CLOBBER)
2386     mark_clobber (pat, insn);
2387   else if (GET_CODE (pat) == CALL)
2943       rtx pat, src;
2962       pat = set->expr;
2964       gcc_assert (GET_CODE (pat) == SET);
2966       src = SET_SRC (pat);
3656 		  rtx pat = PATTERN (setcc);
3657 		  if (!CC0_P (SET_DEST (pat)))
3658 		    insert_insn_on_edge (copy_insn (pat), e);
3967   rtx pat;
3988   pat = get_insns ();
3991   return pat;
4009   rtx pat, pat_end;
4011   pat = process_insert_insn (expr);
4012   gcc_assert (pat && INSN_P (pat));
4014   pat_end = pat;
4060       new_insn = emit_insn_before_noloc (pat, insn);
4099       new_insn = emit_insn_before_noloc (pat, insn);
4102     new_insn = emit_insn_after_noloc (pat, insn);
4106       if (INSN_P (pat))
4108 	  add_label_notes (PATTERN (pat), new_insn);
4109 	  note_stores (PATTERN (pat), record_set_info, pat);
4111       if (pat == pat_end)
4113       pat = NEXT_INSN (pat);
4231   rtx pat = PATTERN (insn);
4237   switch (GET_CODE (pat))
4240       set = pat;
4248       for (i = 0; i < XVECLEN (pat, 0); i++)
4250 	  rtx x = XVECEXP (pat, 0, i);
5434 	  rtx pat = PATTERN (insn);
5435 	  rtx src = SET_SRC (pat);
5452 	  copy = gen_move_insn ( reg, copy_rtx (SET_SRC (pat)));
5455 	  SET_SRC (pat) = reg;
5755   rtx insn, pat, tmp;
5791 	  pat = PATTERN (insn);
5793 	  note_stores (pat, reg_set_info, reg_set_in_block[bb->index]);
5811 	  pat = PATTERN (insn);
5812 	  note_stores (pat, reg_set_info, NULL);
5819 	  note_stores (pat, reg_clear_last_set, last_set_in);
5962       rtx pat = PATTERN (insn);
5963       rtx dest = SET_DEST (pat);
5983       if (find_loads (SET_SRC (pat), x, after))