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arm.md (arm_cmpsi_insn): Compute attr "length".

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* config/arm/arm.md (arm_cmpsi_insn): Compute attr "length".
	(arm_cond_branch): Likewise.
	(arm_cond_branch_reversed): Likewise.
	(arm_jump): Likewise.
	(push_multi): Likewise.
	* config/arm/constraints.md (Py): New constraint.

From-SVN: r172017
This commit is contained in:
Wei Guozhi 2011-04-06 02:24:16 +00:00 • committed by Wei Guozhi
parent f55dfa2fe1
commit 4925d0d5e5
3 changed files with 70 additions and 8 deletions
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10
gcc/ChangeLog
View file

@ -1,3 +1,13 @@
2011-04-06 Wei Guozhi <carrot@google.com>
PR target/47855
* config/arm/arm.md (arm_cmpsi_insn): Compute attr "length".
(arm_cond_branch): Likewise.
(arm_cond_branch_reversed): Likewise.
(arm_jump): Likewise.
(push_multi): Likewise.
* config/arm/constraints.md (Py): New constraint.
2011-04-05 Nathan Froyd <froydnj@codesourcery.com>
PR bootstrap/48471

61
gcc/config/arm/arm.md
View file

@ -7115,13 +7115,17 @@
(define_insn "*arm_cmpsi_insn"
[(set (reg:CC CC_REGNUM)
(compare:CC (match_operand:SI 0 "s_register_operand" "r,r")
(match_operand:SI 1 "arm_add_operand" "rI,L")))]
(compare:CC (match_operand:SI 0 "s_register_operand" "l,r,r,r")
(match_operand:SI 1 "arm_add_operand" "Py,r,rI,L")))]
"TARGET_32BIT"
"@
cmp%?\\t%0, %1
cmp%?\\t%0, %1
cmp%?\\t%0, %1
cmn%?\\t%0, #%n1"
[(set_attr "conds" "set")]
[(set_attr "conds" "set")
(set_attr "arch" "t2,t2,any,any")
(set_attr "length" "2,2,4,4")]
)
(define_insn "*cmpsi_shiftsi"
@ -7292,7 +7296,14 @@
return \"b%d1\\t%l0\";
"
[(set_attr "conds" "use")
(set_attr "type" "branch")]
(set_attr "type" "branch")
(set (attr "length")
(if_then_else
(and (ne (symbol_ref "TARGET_THUMB2") (const_int 0))
(and (ge (minus (match_dup 0) (pc)) (const_int -250))
(le (minus (match_dup 0) (pc)) (const_int 256))))
(const_int 2)
(const_int 4)))]
)
(define_insn "*arm_cond_branch_reversed"
@ -7311,7 +7322,14 @@
return \"b%D1\\t%l0\";
"
[(set_attr "conds" "use")
(set_attr "type" "branch")]
(set_attr "type" "branch")
(set (attr "length")
(if_then_else
(and (ne (symbol_ref "TARGET_THUMB2") (const_int 0))
(and (ge (minus (match_dup 0) (pc)) (const_int -250))
(le (minus (match_dup 0) (pc)) (const_int 256))))
(const_int 2)
(const_int 4)))]
)
@ -7763,7 +7781,14 @@
return \"b%?\\t%l0\";
}
"
[(set_attr "predicable" "yes")]
[(set_attr "predicable" "yes")
(set (attr "length")
(if_then_else
(and (ne (symbol_ref "TARGET_THUMB2") (const_int 0))
(and (ge (minus (match_dup 0) (pc)) (const_int -2044))
(le (minus (match_dup 0) (pc)) (const_int 2048))))
(const_int 2)
(const_int 4)))]
)
(define_insn "*thumb_jump"
@ -10263,7 +10288,29 @@
return \"\";
}"
[(set_attr "type" "store4")]
[(set_attr "type" "store4")
(set (attr "length")
(if_then_else
(and (ne (symbol_ref "TARGET_THUMB2") (const_int 0))
(ne (symbol_ref "{
/* Check if there are any high register (except lr)
references in the list. KEEP the following iteration
in sync with the template above. */
int i, regno, hi_reg;
int num_saves = XVECLEN (operands[2], 0);
regno = REGNO (operands[1]);
hi_reg = (REGNO_REG_CLASS (regno) == HI_REGS)
&& (regno != LR_REGNUM);
for (i = 1; i < num_saves && !hi_reg; i++)
{
regno = REGNO (XEXP (XVECEXP (operands[2], 0, i), 0));
hi_reg |= (REGNO_REG_CLASS (regno) == HI_REGS)
&& (regno != LR_REGNUM);
}
!hi_reg; }")
(const_int 0)))
(const_int 2)
(const_int 4)))]
)
(define_insn "stack_tie"

7
gcc/config/arm/constraints.md
View file

@ -31,7 +31,7 @@
;; The following multi-letter normal constraints have been used:
;; in ARM/Thumb-2 state: Da, Db, Dc, Dn, Dl, DL, Dv, Dy, Di, Dz
;; in Thumb-1 state: Pa, Pb, Pc, Pd
;; in Thumb-2 state: Ps, Pt, Pu, Pv, Pw, Px
;; in Thumb-2 state: Ps, Pt, Pu, Pv, Pw, Px, Py
;; The following memory constraints have been used:
;; in ARM/Thumb-2 state: Q, Ut, Uv, Uy, Un, Um, Us
@ -189,6 +189,11 @@
(and (match_code "const_int")
(match_test "TARGET_THUMB2 && ival >= -7 && ival <= -1")))
(define_constraint "Py"
"@internal In Thumb-2 state a constant in the range 0 to 255"
(and (match_code "const_int")
(match_test "TARGET_THUMB2 && ival >= 0 && ival <= 255")))
(define_constraint "G"
"In ARM/Thumb-2 state a valid FPA immediate constant."
(and (match_code "const_double")