366 straighten_stack (rtx_insn *insn, stack_ptr regstack)  in straighten_stack()  argument
375   if (regstack->top <= 0)  in straighten_stack()
378   temp_stack.reg_set = regstack->reg_set;  in straighten_stack()
380   for (top = temp_stack.top = regstack->top; top >= 0; top--)  in straighten_stack()
383   change_stack (insn, regstack, &temp_stack, EMIT_BEFORE);  in straighten_stack()
389 pop_stack (stack_ptr regstack, int regno)  in pop_stack()  argument
391   int top = regstack->top;  in pop_stack()
393   CLEAR_HARD_REG_BIT (regstack->reg_set, regno);  in pop_stack()
394   regstack->top--;  in pop_stack()
396   if (regstack->reg [top] != regno)  in pop_stack()
399       for (i = regstack->top; i >= 0; i--)  in pop_stack()
400 	if (regstack->reg [i] == regno)  in pop_stack()
404 	      regstack->reg [j] = regstack->reg [j + 1];  in pop_stack()
757 get_hard_regnum (stack_ptr regstack, rtx reg)  in get_hard_regnum()  argument
763   for (i = regstack->top; i >= 0; i--)  in get_hard_regnum()
764     if (regstack->reg[i] == REGNO (reg))  in get_hard_regnum()
767   return i >= 0 ? (FIRST_STACK_REG + regstack->top - i) : -1;  in get_hard_regnum()
778 emit_pop_insn (rtx_insn *insn, stack_ptr regstack, rtx reg,  in emit_pop_insn()  argument
794       if (get_hard_regnum (regstack, reg1) >= 0)  in emit_pop_insn()
795 	pop_insn = emit_pop_insn (insn, regstack, reg1, where);  in emit_pop_insn()
796       if (get_hard_regnum (regstack, reg2) >= 0)  in emit_pop_insn()
797 	pop_insn = emit_pop_insn (insn, regstack, reg2, where);  in emit_pop_insn()
802   hard_regno = get_hard_regnum (regstack, reg);  in emit_pop_insn()
816   regstack->reg[regstack->top - (hard_regno - FIRST_STACK_REG)]  in emit_pop_insn()
817     = regstack->reg[regstack->top];  in emit_pop_insn()
818   regstack->top -= 1;  in emit_pop_insn()
819   CLEAR_HARD_REG_BIT (regstack->reg_set, REGNO (reg));  in emit_pop_insn()
832 emit_swap_insn (rtx_insn *insn, stack_ptr regstack, rtx reg)  in emit_swap_insn()  argument
839   hard_regno = get_hard_regnum (regstack, reg);  in emit_swap_insn()
850       regstack->reg[++regstack->top] = REGNO (reg);  in emit_swap_insn()
855   other_reg = regstack->top - (hard_regno - FIRST_STACK_REG);  in emit_swap_insn()
856   std::swap (regstack->reg[regstack->top], regstack->reg[other_reg]);  in emit_swap_insn()
987       BLOCK_INFO (current_block)->stack_in = *regstack;  in emit_swap_insn()
1017 swap_to_top (rtx_insn *insn, stack_ptr regstack, rtx src1, rtx src2)  in swap_to_top()  argument
1022   temp_stack = *regstack;  in swap_to_top()
1046   change_stack (insn, regstack, &temp_stack, EMIT_BEFORE);  in swap_to_top()
1054 move_for_stack_reg (rtx_insn *insn, stack_ptr regstack, rtx pat)  in move_for_stack_reg()  argument
1077 	  for (i = regstack->top; i >= 0; i--)  in move_for_stack_reg()
1078 	    if (regstack->reg[i] == REGNO (src))  in move_for_stack_reg()
1082 	  gcc_assert (get_hard_regnum (regstack, dest) < FIRST_STACK_REG);  in move_for_stack_reg()
1087 	    return move_nan_for_stack_reg (insn, regstack, dest);  in move_for_stack_reg()
1093 	    emit_pop_insn (insn, regstack, src, EMIT_AFTER);  in move_for_stack_reg()
1096 	      regstack->reg[i] = REGNO (dest);  in move_for_stack_reg()
1097 	      SET_HARD_REG_BIT (regstack->reg_set, REGNO (dest));  in move_for_stack_reg()
1098 	      CLEAR_HARD_REG_BIT (regstack->reg_set, REGNO (src));  in move_for_stack_reg()
1116 	    emit_pop_insn (insn, regstack, dest, EMIT_AFTER);  in move_for_stack_reg()
1124       if (get_hard_regnum (regstack, dest) >= FIRST_STACK_REG)  in move_for_stack_reg()
1128 	  replace_reg (psrc, get_hard_regnum (regstack, src));  in move_for_stack_reg()
1130 	  regstack->reg[++regstack->top] = REGNO (dest);  in move_for_stack_reg()
1131 	  SET_HARD_REG_BIT (regstack->reg_set, REGNO (dest));  in move_for_stack_reg()
1141       emit_swap_insn (insn, regstack, src);  in move_for_stack_reg()
1147 	  regstack->top--;  in move_for_stack_reg()
1148 	  CLEAR_HARD_REG_BIT (regstack->reg_set, REGNO (src));  in move_for_stack_reg()
1151 	       && regstack->top < REG_STACK_SIZE - 1)  in move_for_stack_reg()
1190 	emit_swap_insn (insn, regstack, dest);  in move_for_stack_reg()
1192 	gcc_assert (get_hard_regnum (regstack, dest) < FIRST_STACK_REG  in move_for_stack_reg()
1195       gcc_assert (regstack->top < REG_STACK_SIZE);  in move_for_stack_reg()
1197       regstack->reg[++regstack->top] = REGNO (dest);  in move_for_stack_reg()
1198       SET_HARD_REG_BIT (regstack->reg_set, REGNO (dest));  in move_for_stack_reg()
1209 move_nan_for_stack_reg (rtx_insn *insn, stack_ptr regstack, rtx dest)  in move_nan_for_stack_reg()  argument
1218   return move_for_stack_reg (insn, regstack, pat);  in move_nan_for_stack_reg()
1375 compare_for_stack_reg (rtx_insn *insn, stack_ptr regstack,  in compare_for_stack_reg()  argument
1389 	   && get_hard_regnum (regstack, *src2) == FIRST_STACK_REG))  in compare_for_stack_reg()
1418   emit_swap_insn (insn, regstack, *src1);  in compare_for_stack_reg()
1423     replace_reg (src2, get_hard_regnum (regstack, *src2));  in compare_for_stack_reg()
1431 	  emit_pop_insn (insn, regstack, XEXP (src1_note, 0),  in compare_for_stack_reg()
1436 	  pop_stack (regstack, REGNO (XEXP (src1_note, 0)));  in compare_for_stack_reg()
1454       if (get_hard_regnum (regstack, XEXP (src2_note, 0)) == FIRST_STACK_REG  in compare_for_stack_reg()
1457 	  pop_stack (regstack, REGNO (XEXP (src2_note, 0)));  in compare_for_stack_reg()
1466 	  emit_pop_insn (insn, regstack, XEXP (src2_note, 0),  in compare_for_stack_reg()
1477 subst_all_stack_regs_in_debug_insn (rtx_insn *insn, struct stack_def *regstack)  in subst_all_stack_regs_in_debug_insn()  argument
1486 	  int hard_regno = get_hard_regnum (regstack, x);  in subst_all_stack_regs_in_debug_insn()
1507 subst_stack_regs_pat (rtx_insn *insn, stack_ptr regstack, rtx pat)  in subst_stack_regs_pat()  argument
1523           if (TEST_HARD_REG_BIT (regstack->reg_set, REGNO (*src)))  in subst_stack_regs_pat()
1524 	    emit_pop_insn (insn, regstack, *src, EMIT_AFTER);  in subst_stack_regs_pat()
1561 		  emit_pop_insn (insn, regstack, *dest, EMIT_BEFORE);  in subst_stack_regs_pat()
1581 			if (get_hard_regnum (regstack, u) == -1)  in subst_stack_regs_pat()
1586 			      |= move_nan_for_stack_reg (insn2, regstack, u);  in subst_stack_regs_pat()
1589 		    if (get_hard_regnum (regstack, t) == -1)  in subst_stack_regs_pat()
1591 			|= move_nan_for_stack_reg (insn, regstack, t);  in subst_stack_regs_pat()
1614 	    control_flow_insn_deleted |= move_for_stack_reg (insn, regstack, pat);  in subst_stack_regs_pat()
1625 		  regstack->reg[++regstack->top] = REGNO (*dest) + count;  in subst_stack_regs_pat()
1626 		  SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest) + count);  in subst_stack_regs_pat()
1651 	    emit_swap_insn (insn, regstack, *src1);  in subst_stack_regs_pat()
1661 		regstack->top--;  in subst_stack_regs_pat()
1662 		CLEAR_HARD_REG_BIT (regstack->reg_set, REGNO (*src1));  in subst_stack_regs_pat()
1698 	      emit_swap_insn (insn, regstack, *dest);  in subst_stack_regs_pat()
1707 		src1_hard_regnum = get_hard_regnum (regstack, *src1);  in subst_stack_regs_pat()
1708 		src2_hard_regnum = get_hard_regnum (regstack, *src2);  in subst_stack_regs_pat()
1717 		      |= move_nan_for_stack_reg (insn2, regstack, *src1);  in subst_stack_regs_pat()
1724 		      |= move_nan_for_stack_reg (insn2, regstack, *src2);  in subst_stack_regs_pat()
1729 		  emit_swap_insn (insn, regstack, *dest);  in subst_stack_regs_pat()
1733 	      replace_reg (src1, get_hard_regnum (regstack, *src1));  in subst_stack_regs_pat()
1735 	      replace_reg (src2, get_hard_regnum (regstack, *src2));  in subst_stack_regs_pat()
1747 		if (REGNO (src1_reg) == regstack->reg[regstack->top])  in subst_stack_regs_pat()
1749 		    SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest));  in subst_stack_regs_pat()
1750 		    replace_reg (dest, get_hard_regnum (regstack, *dest));  in subst_stack_regs_pat()
1754 		    int regno = get_hard_regnum (regstack, src1_reg);  in subst_stack_regs_pat()
1756 		    SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest));  in subst_stack_regs_pat()
1759 		    regstack->reg[regstack->top - (regno - FIRST_STACK_REG)]  in subst_stack_regs_pat()
1760 		      = regstack->reg[regstack->top];  in subst_stack_regs_pat()
1763 		CLEAR_HARD_REG_BIT (regstack->reg_set,  in subst_stack_regs_pat()
1766 		regstack->top--;  in subst_stack_regs_pat()
1771 		if (REGNO (src2_reg) == regstack->reg[regstack->top])  in subst_stack_regs_pat()
1773 		    SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest));  in subst_stack_regs_pat()
1774 		    replace_reg (dest, get_hard_regnum (regstack, *dest));  in subst_stack_regs_pat()
1778 		    int regno = get_hard_regnum (regstack, src2_reg);  in subst_stack_regs_pat()
1780 		    SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest));  in subst_stack_regs_pat()
1783 		    regstack->reg[regstack->top - (regno - FIRST_STACK_REG)]  in subst_stack_regs_pat()
1784 		      = regstack->reg[regstack->top];  in subst_stack_regs_pat()
1787 		CLEAR_HARD_REG_BIT (regstack->reg_set,  in subst_stack_regs_pat()
1790 		regstack->top--;  in subst_stack_regs_pat()
1794 		SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest));  in subst_stack_regs_pat()
1795 		replace_reg (dest, get_hard_regnum (regstack, *dest));  in subst_stack_regs_pat()
1821 		emit_swap_insn (insn, regstack, *src1);  in subst_stack_regs_pat()
1831 		    regstack->top--;  in subst_stack_regs_pat()
1832 		    CLEAR_HARD_REG_BIT (regstack->reg_set, REGNO (*src1));  in subst_stack_regs_pat()
1843 		emit_swap_insn (insn, regstack, *src1);  in subst_stack_regs_pat()
1853 		    emit_pop_insn (insn, regstack, XEXP (src1_note, 0),  in subst_stack_regs_pat()
1879 		emit_swap_insn (insn, regstack, *src1);  in subst_stack_regs_pat()
1897 		regstack->top++;  in subst_stack_regs_pat()
1907 		regstack->reg[regstack->top]  in subst_stack_regs_pat()
1908 		  = regstack->reg[regstack->top - 1];  in subst_stack_regs_pat()
1912 		regstack->reg[regstack->top - 1] = REGNO (*dest);  in subst_stack_regs_pat()
1913 		SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest));  in subst_stack_regs_pat()
1932 		swap_to_top (insn, regstack, *src1, *src2);  in subst_stack_regs_pat()
1943 		CLEAR_HARD_REG_BIT (regstack->reg_set,  in subst_stack_regs_pat()
1944 				    regstack->reg[regstack->top]);  in subst_stack_regs_pat()
1945 		CLEAR_HARD_REG_BIT (regstack->reg_set,  in subst_stack_regs_pat()
1946 				    regstack->reg[regstack->top - 1]);  in subst_stack_regs_pat()
1947 		regstack->top -= 2;  in subst_stack_regs_pat()
1950 		regstack->reg[++regstack->top] = REGNO (*dest);  in subst_stack_regs_pat()
1951 		SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest));  in subst_stack_regs_pat()
1972 		swap_to_top (insn, regstack, *src1, *src2);  in subst_stack_regs_pat()
1978 		    regstack->reg[regstack->top] = REGNO (*dest);  in subst_stack_regs_pat()
1979 		    SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest));  in subst_stack_regs_pat()
2000 		    regstack->reg[regstack->top - 1] = REGNO (*dest);  in subst_stack_regs_pat()
2001 		    SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest));  in subst_stack_regs_pat()
2045 	    compare_for_stack_reg (insn, regstack, pat_src,  in subst_stack_regs_pat()
2063 	    if (get_hard_regnum (regstack, *dest) >= FIRST_STACK_REG  in subst_stack_regs_pat()
2064 		&& REGNO (*dest) != regstack->reg[regstack->top])  in subst_stack_regs_pat()
2069 		if ((REGNO (*src1) == regstack->reg[regstack->top]  in subst_stack_regs_pat()
2071 		    || (REGNO (*src2) == regstack->reg[regstack->top]  in subst_stack_regs_pat()
2074 		    int idx1 = (get_hard_regnum (regstack, *src1)  in subst_stack_regs_pat()
2076 		    int idx2 = (get_hard_regnum (regstack, *src2)  in subst_stack_regs_pat()
2081 		    regstack->reg[regstack->top - idx1] = REGNO (*src2);  in subst_stack_regs_pat()
2082 		    regstack->reg[regstack->top - idx2] = REGNO (*src1);  in subst_stack_regs_pat()
2090 	          emit_swap_insn (insn, regstack, *dest);  in subst_stack_regs_pat()
2102 		replace_reg (src1, get_hard_regnum (regstack, *src1));  in subst_stack_regs_pat()
2104 		replace_reg (src2, get_hard_regnum (regstack, *src2));  in subst_stack_regs_pat()
2115 		    gcc_assert (regno != regstack->reg[regstack->top]);  in subst_stack_regs_pat()
2117 		    emit_pop_insn (insn, regstack, XEXP (src_note[i], 0),  in subst_stack_regs_pat()
2124 	    if (get_hard_regnum (regstack, *dest) < FIRST_STACK_REG)  in subst_stack_regs_pat()
2125 	      regstack->reg[++regstack->top] = REGNO (*dest);  in subst_stack_regs_pat()
2126 	    SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest));  in subst_stack_regs_pat()
2154 subst_asm_stack_regs (rtx_insn *insn, stack_ptr regstack)  in subst_asm_stack_regs()  argument
2259   temp_stack = *regstack;  in subst_asm_stack_regs()
2298   change_stack (insn, regstack, &temp_stack, EMIT_BEFORE);  in subst_asm_stack_regs()
2306 	int regnum = get_hard_regnum (regstack, recog_data.operand[i]);  in subst_asm_stack_regs()
2316 	int regnum = get_hard_regnum (regstack, note_reg[i]);  in subst_asm_stack_regs()
2327       int regnum = get_hard_regnum (regstack, clobber_reg[i]);  in subst_asm_stack_regs()
2354 	    CLEAR_HARD_REG_BIT (regstack->reg_set,  in subst_asm_stack_regs()
2355 				regstack->reg[regstack->top]);  in subst_asm_stack_regs()
2356 	    regstack->top--;  in subst_asm_stack_regs()
2373 	    regstack->reg[++regstack->top] = i;  in subst_asm_stack_regs()
2374 	    SET_HARD_REG_BIT (regstack->reg_set, i);  in subst_asm_stack_regs()
2395 	      insn = emit_pop_insn (insn, regstack, recog_data.operand[i],  in subst_asm_stack_regs()
2409 	      && TEST_HARD_REG_BIT (regstack->reg_set,  in subst_asm_stack_regs()
2412 	      insn = emit_pop_insn (insn, regstack, recog_data.operand[i],  in subst_asm_stack_regs()
2426 subst_stack_regs (rtx_insn *insn, stack_ptr regstack)  in subst_stack_regs()  argument
2434       int top = regstack->top;  in subst_stack_regs()
2442 	  straighten_stack (insn, regstack);  in subst_stack_regs()
2446 	  while (regstack->top >= 0)  in subst_stack_regs()
2448 	      CLEAR_HARD_REG_BIT (regstack->reg_set, FIRST_STACK_REG + regstack->top);  in subst_stack_regs()
2449 	      regstack->top--;  in subst_stack_regs()
2469 	  subst_asm_stack_regs (insn, regstack);  in subst_stack_regs()
2482 		  |= subst_stack_regs_pat (insn, regstack,  in subst_stack_regs()
2488 	  |= subst_stack_regs_pat (insn, regstack, PATTERN (insn));  in subst_stack_regs()
2502       regstack->top = -1;  in subst_stack_regs()
2503       CLEAR_HARD_REG_SET (regstack->reg_set);  in subst_stack_regs()
2517 	insn = emit_pop_insn (insn, regstack, XEXP (note, 0), EMIT_AFTER);  in subst_stack_regs()
2892   struct stack_def regstack;  in compensate_edge()  local
2949   regstack = *source_stack;  in compensate_edge()
2958       change_stack (BB_END (source), &regstack, target_stack,  in compensate_edge()
2972       change_stack (after, &regstack, target_stack, EMIT_BEFORE);  in compensate_edge()
3040   struct stack_def regstack;  in convert_regs_1()  local
3084   regstack = bi->stack_in;  in convert_regs_1()
3105 	      subst_all_stack_regs_in_debug_insn (insn, &regstack);  in convert_regs_1()
3122 	      print_stack (dump_file, &regstack);  in convert_regs_1()
3124 	  control_flow_insn_deleted |= subst_stack_regs (insn, &regstack);  in convert_regs_1()
3154       print_stack (dump_file, &regstack);  in convert_regs_1()
3168 	  && ! TEST_HARD_REG_BIT (regstack.reg_set, reg))  in convert_regs_1()
3177 	  control_flow_insn_deleted |= subst_stack_regs (insn, &regstack);  in convert_regs_1()
3205   gcc_assert (regstack.reg_set == bi->out_reg_set || any_malformed_asm);  in convert_regs_1()
3206   bi->stack_out = regstack;  in convert_regs_1()