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c4x.c (group1_reg_operand, [...]): Do not check register number before reload.

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* c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
	c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
	number before reload.
	(c4x_adjust_cost): Return zero before reload.
	* c4x.md (load_immed_address+1, load_immed_address+2): Do not
	split before reload.

From-SVN: r39420
This commit is contained in:
Herman A.J. ten Brugge 2001-02-03 02:34:27 +01:00 committed by Michael Hayes
parent 40eef75742
commit d001969e22
3 changed files with 33 additions and 24 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
* c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
number before reload.
(c4x_adjust_cost): Return zero before reload.
* c4x.md (load_immed_address+1, load_immed_address+2): Do not
split before reload.
2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
* c4x.c (c4x_hard_regno_rename_ok): New.

30
gcc/config/c4x/c4x.c
View File

@ -4102,7 +4102,7 @@ group1_reg_operand (op, mode)
return 0;
if (GET_CODE (op) == SUBREG)
op = SUBREG_REG (op);
return REG_P (op) && IS_GROUP1_REG (op);
return REG_P (op) && (! reload_completed || IS_GROUP1_REG (op));
}
@ -4122,11 +4122,11 @@ group1_mem_operand (op, mode)
rtx op0 = XEXP (op, 0);
rtx op1 = XEXP (op, 1);
if (((GET_CODE (op0) == REG) && IS_GROUP1_REG (op0))
|| ((GET_CODE (op1) == REG) && IS_GROUP1_REG (op1)))
if ((REG_P (op0) && (! reload_completed || IS_GROUP1_REG (op0)))
|| (REG_P (op1) && (! reload_completed || IS_GROUP1_REG (op1))))
return 1;
}
else if ((REG_P (op)) && IS_GROUP1_REG (op))
else if ((REG_P (op)) && (! reload_completed || IS_GROUP1_REG (op)))
return 1;
}
@ -4145,7 +4145,7 @@ arx_reg_operand (op, mode)
return 0;
if (GET_CODE (op) == SUBREG)
op = SUBREG_REG (op);
return REG_P (op) && IS_ADDR_REG (op);
return REG_P (op) && (! reload_completed || IS_ADDR_REG (op));
}
@ -4159,7 +4159,7 @@ c4x_arn_reg_operand (op, mode, regno)
return 0;
if (GET_CODE (op) == SUBREG)
op = SUBREG_REG (op);
return REG_P (op) && (REGNO (op) == regno);
return REG_P (op) && (! reload_completed || (REGNO (op) == regno));
}
@ -4184,16 +4184,16 @@ c4x_arn_mem_operand (op, mode, regno)
op = XEXP (op, 0);
case REG:
if (REG_P (op) && (REGNO (op) == regno))
return 1;
break;
return REG_P (op) && (! reload_completed || (REGNO (op) == regno));
case PRE_MODIFY:
case POST_MODIFY:
if (REG_P (XEXP (op, 0)) && (REGNO (XEXP (op, 0)) == regno))
if (REG_P (XEXP (op, 0)) && (! reload_completed
|| (REGNO (XEXP (op, 0)) == regno)))
return 1;
if (REG_P (XEXP (XEXP (op, 1), 1))
&& (REGNO (XEXP (XEXP (op, 1), 1)) == regno))
&& (! reload_completed
|| (REGNO (XEXP (XEXP (op, 1), 1)) == regno)))
return 1;
break;
@ -4202,8 +4202,10 @@ c4x_arn_mem_operand (op, mode, regno)
rtx op0 = XEXP (op, 0);
rtx op1 = XEXP (op, 1);
if (((GET_CODE (op0) == REG) && (REGNO (op0) == regno))
|| ((GET_CODE (op1) == REG) && (REGNO (op1) == regno)))
if ((REG_P (op0) && (! reload_completed
|| (REGNO (op0) == regno)))
|| (REG_P (op1) && (! reload_completed
|| (REGNO (op1) == regno))))
return 1;
}
break;
@ -4899,7 +4901,7 @@ c4x_adjust_cost (insn, link, dep_insn, cost)
{
/* Don't worry about this until we know what registers have been
assigned. */
if (! reload_completed)
if (flag_schedule_insns == 0 && ! reload_completed)
return 0;
/* How do we handle dependencies where a read followed by another

18
gcc/config/c4x/c4x.md
View File

@ -966,7 +966,7 @@
(define_split
[(set (match_operand:QI 0 "std_reg_operand" "")
(match_operand:QI 1 "symbolic_address_operand" ""))]
"! TARGET_C3X && ! TARGET_TI"
"reload_completed && ! TARGET_C3X && ! TARGET_TI"
[(set (match_dup 0) (high:QI (match_dup 1)))
(set (match_dup 0) (lo_sum:QI (match_dup 0) (match_dup 1)))]
"")
@ -1207,7 +1207,7 @@
[(set (match_operand:QI 0 "std_reg_operand" "")
(match_operand:QI 1 "symbolic_address_operand" ""))
(clobber (reg:QI 16))]
"! TARGET_C3X && ! TARGET_TI"
"reload_completed && ! TARGET_C3X && ! TARGET_TI"
[(set (match_dup 0) (high:QI (match_dup 1)))
(set (match_dup 0) (lo_sum:QI (match_dup 0) (match_dup 1)))]
"")
@ -1220,10 +1220,9 @@
[(set (match_operand:QI 0 "reg_operand" "")
(match_operand:QI 1 "symbolic_address_operand" ""))
(clobber (reg:QI 16))]
"! TARGET_SMALL
&& (TARGET_C3X || TARGET_TI
|| (reload_completed
&& ! std_reg_operand (operands[0], QImode)))"
"reload_completed
&& ! TARGET_SMALL
&& (TARGET_C3X || TARGET_TI || ! std_reg_operand (operands[0], QImode))"
[(set (match_dup 2) (high:QI (match_dup 3)))
(set (match_dup 0) (match_dup 4))
(use (match_dup 1))]
@ -1244,10 +1243,9 @@
[(set (match_operand:QI 0 "reg_operand" "")
(match_operand:QI 1 "symbolic_address_operand" ""))
(clobber (reg:QI 16))]
"TARGET_SMALL
&& (TARGET_C3X || TARGET_TI
|| (reload_completed
&& ! std_reg_operand (operands[0], QImode)))"
"reload_completed
&& TARGET_SMALL
&& (TARGET_C3X || TARGET_TI || ! std_reg_operand (operands[0], QImode))"
[(set (match_dup 0) (match_dup 2))
(use (match_dup 1))]
"