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mips.md (addsi3, adddi3): Remove special handling of $sp adds.

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* config/mips/mips.md (addsi3, adddi3): Remove special handling
	of $sp adds.  Remove REGNO checks from mips16 patterns.

From-SVN: r84816
This commit is contained in:
Richard Sandiford 2004-07-16 12:32:19 +00:00 • committed by Richard Sandiford
parent 090ad434b0
commit 5eb00b77df
2 changed files with 9 additions and 72 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-07-16 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips.md (addsi3, adddi3): Remove special handling
of $sp adds. Remove REGNO checks from mips16 patterns.
2004-07-16 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips.md: Delete outdated comment.

76
gcc/config/mips/mips.md
View file

@ -426,29 +426,7 @@
[(set (match_operand:SI 0 "register_operand")
(plus:SI (match_operand:SI 1 "reg_or_0_operand")
(match_operand:SI 2 "arith_operand")))]
""
{
/* If a large stack adjustment was forced into a register, we may be
asked to generate rtx such as:
(set (reg:SI sp) (plus:SI (reg:SI sp) (reg:SI pseudo)))
but no such instruction is available in mips16. Handle it by
using a temporary. */
if (TARGET_MIPS16
&& REGNO (operands[0]) == STACK_POINTER_REGNUM
&& ((GET_CODE (operands[1]) == REG
&& REGNO (operands[1]) != STACK_POINTER_REGNUM)
|| GET_CODE (operands[2]) != CONST_INT))
{
rtx tmp = gen_reg_rtx (SImode);
emit_move_insn (tmp, operands[1]);
emit_insn (gen_addsi3 (tmp, tmp, operands[2]));
emit_move_insn (operands[0], tmp);
DONE;
}
})
"")
(define_insn "addsi3_internal"
[(set (match_operand:SI 0 "register_operand" "=d,d")
@ -493,19 +471,7 @@
[(set (match_operand:SI 0 "register_operand" "=d,d,d")
(plus:SI (match_operand:SI 1 "register_operand" "0,d,d")
(match_operand:SI 2 "arith_operand" "Q,O,d")))]
"TARGET_MIPS16
&& (GET_CODE (operands[1]) != REG
|| REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER
|| M16_REG_P (REGNO (operands[1]))
|| REGNO (operands[1]) == ARG_POINTER_REGNUM
|| REGNO (operands[1]) == FRAME_POINTER_REGNUM
|| REGNO (operands[1]) == STACK_POINTER_REGNUM)
&& (GET_CODE (operands[2]) != REG
|| REGNO (operands[2]) >= FIRST_PSEUDO_REGISTER
|| M16_REG_P (REGNO (operands[2]))
|| REGNO (operands[2]) == ARG_POINTER_REGNUM
|| REGNO (operands[2]) == FRAME_POINTER_REGNUM
|| REGNO (operands[2]) == STACK_POINTER_REGNUM)"
"TARGET_MIPS16"
{
if (REGNO (operands[0]) == REGNO (operands[1]))
return "addu\t%0,%2";
@ -595,29 +561,7 @@
[(set (match_operand:DI 0 "register_operand")
(plus:DI (match_operand:DI 1 "register_operand")
(match_operand:DI 2 "arith_operand")))]
"TARGET_64BIT"
{
/* If a large stack adjustment was forced into a register, we may be
asked to generate rtx such as:
(set (reg:DI sp) (plus:DI (reg:DI sp) (reg:DI pseudo)))
but no such instruction is available in mips16. Handle it by
using a temporary. */
if (TARGET_MIPS16
&& REGNO (operands[0]) == STACK_POINTER_REGNUM
&& ((GET_CODE (operands[1]) == REG
&& REGNO (operands[1]) != STACK_POINTER_REGNUM)
|| GET_CODE (operands[2]) != CONST_INT))
{
rtx tmp = gen_reg_rtx (DImode);
emit_move_insn (tmp, operands[1]);
emit_insn (gen_adddi3 (tmp, tmp, operands[2]));
emit_move_insn (operands[0], tmp);
DONE;
}
})
"TARGET_64BIT")
(define_insn "adddi3_internal"
[(set (match_operand:DI 0 "register_operand" "=d,d")
@ -662,19 +606,7 @@
[(set (match_operand:DI 0 "register_operand" "=d,d,d")
(plus:DI (match_operand:DI 1 "register_operand" "0,d,d")
(match_operand:DI 2 "arith_operand" "Q,O,d")))]
"TARGET_MIPS16 && TARGET_64BIT
&& (GET_CODE (operands[1]) != REG
|| REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER
|| M16_REG_P (REGNO (operands[1]))
|| REGNO (operands[1]) == ARG_POINTER_REGNUM
|| REGNO (operands[1]) == FRAME_POINTER_REGNUM
|| REGNO (operands[1]) == STACK_POINTER_REGNUM)
&& (GET_CODE (operands[2]) != REG
|| REGNO (operands[2]) >= FIRST_PSEUDO_REGISTER
|| M16_REG_P (REGNO (operands[2]))
|| REGNO (operands[2]) == ARG_POINTER_REGNUM
|| REGNO (operands[2]) == FRAME_POINTER_REGNUM
|| REGNO (operands[2]) == STACK_POINTER_REGNUM)"
"TARGET_MIPS16 && TARGET_64BIT"
{
if (REGNO (operands[0]) == REGNO (operands[1]))
return "daddu\t%0,%2";