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thumb2.md (thumb2_movdi, [...]): Delete patterns.

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* config/arm/thumb2.md (thumb2_movdi, thumb2_movsf_soft_insn,
	thumb2_movdf_soft_insn): Delete patterns.
	* config/arm/arm.md (arm_pool_range, thumb2_pool_range,
	arm_neg_pool_range, thumb2_neg_pool_range): New attributes.
	(pool_range, neg_pool_range): Use them to define defaults.
	(movdi, arm_movsf_soft_insn, arm_movdf_soft_insn): Define them
	and allow for TARGET_32BIT.

From-SVN: r162814
This commit is contained in:
Bernd Schmidt 2010-08-02 09:53:58 +00:00 committed by Bernd Schmidt
parent 906668bb6f
commit 0bd44ba2e1
3 changed files with 34 additions and 77 deletions
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8
gcc/ChangeLog
View File

@ -37,6 +37,14 @@
(movsi_cbranchsi4 peepholes): Rewrite to generate a sequence of
one subtract and one cbranch insn.
* config/arm/thumb2.md (thumb2_movdi, thumb2_movsf_soft_insn,
thumb2_movdf_soft_insn): Delete patterns.
* config/arm/arm.md (arm_pool_range, thumb2_pool_range,
arm_neg_pool_range, thumb2_neg_pool_range): New attributes.
(pool_range, neg_pool_range): Use them to define defaults.
(movdi, arm_movsf_soft_insn, arm_movdf_soft_insn): Define them
and allow for TARGET_32BIT.
2010-08-02 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
* config/arm/arm.c (COSTS_N_INSNS): Remove definition.

38
gcc/config/arm/arm.md
View File

@ -172,8 +172,17 @@
; reference the pool.
; NEG_POOL_RANGE is nonzero for insns that can reference a constant pool entry
; before its address.
(define_attr "pool_range" "" (const_int 0))
(define_attr "neg_pool_range" "" (const_int 0))
(define_attr "arm_pool_range" "" (const_int 0))
(define_attr "thumb2_pool_range" "" (const_int 0))
(define_attr "arm_neg_pool_range" "" (const_int 0))
(define_attr "thumb2_neg_pool_range" "" (const_int 0))
(define_attr "pool_range" ""
(cond [(eq_attr "is_thumb" "yes") (attr "thumb2_pool_range")]
(attr "arm_pool_range")))
(define_attr "neg_pool_range" ""
(cond [(eq_attr "is_thumb" "yes") (attr "thumb2_neg_pool_range")]
(attr "arm_neg_pool_range")))
; An assembler sequence may clobber the condition codes without us knowing.
; If such an insn references the pool, then we have no way of knowing how,
@ -4775,7 +4784,7 @@
(define_insn "*arm_movdi"
[(set (match_operand:DI 0 "nonimmediate_di_operand" "=r, r, r, r, m")
(match_operand:DI 1 "di_operand" "rDa,Db,Dc,mi,r"))]
"TARGET_ARM
"TARGET_32BIT
&& !(TARGET_HARD_FLOAT && (TARGET_MAVERICK || TARGET_VFP))
&& !TARGET_IWMMXT
&& ( register_operand (operands[0], DImode)
@ -4793,8 +4802,10 @@
"
[(set_attr "length" "8,12,16,8,8")
(set_attr "type" "*,*,*,load2,store2")
(set_attr "pool_range" "*,*,*,1020,*")
(set_attr "neg_pool_range" "*,*,*,1008,*")]
(set_attr "arm_pool_range" "*,*,*,1020,*")
(set_attr "arm_neg_pool_range" "*,*,*,1008,*")
(set_attr "thumb2_pool_range" "*,*,*,4096,*")
(set_attr "thumb2_neg_pool_range" "*,*,*,0,*")]
)
(define_split
@ -5695,7 +5706,7 @@
;; Pattern to recognize insn generated default case above
(define_insn "*movhi_insn_arch4"
[(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,m,r")
[(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,m,r")
(match_operand:HI 1 "general_operand" "rI,K,r,m"))]
"TARGET_ARM
&& arm_arch4
@ -6019,7 +6030,7 @@
(define_insn "*arm_movsf_soft_insn"
[(set (match_operand:SF 0 "nonimmediate_operand" "=r,r,m")
(match_operand:SF 1 "general_operand" "r,mE,r"))]
"TARGET_ARM
"TARGET_32BIT
&& TARGET_SOFT_FLOAT
&& (GET_CODE (operands[0]) != MEM
|| register_operand (operands[1], SFmode))"
@ -6027,11 +6038,11 @@
mov%?\\t%0, %1
ldr%?\\t%0, %1\\t%@ float
str%?\\t%1, %0\\t%@ float"
[(set_attr "length" "4,4,4")
(set_attr "predicable" "yes")
[(set_attr "predicable" "yes")
(set_attr "type" "*,load1,store1")
(set_attr "pool_range" "*,4096,*")
(set_attr "neg_pool_range" "*,4084,*")]
(set_attr "arm_neg_pool_range" "*,4084,*")
(set_attr "thumb2_neg_pool_range" "*,0,*")]
)
;;; ??? This should have alternatives for constants.
@ -6123,7 +6134,7 @@
(define_insn "*movdf_soft_insn"
[(set (match_operand:DF 0 "nonimmediate_soft_df_operand" "=r,r,r,r,m")
(match_operand:DF 1 "soft_df_operand" "rDa,Db,Dc,mF,r"))]
"TARGET_ARM && TARGET_SOFT_FLOAT
"TARGET_32BIT && TARGET_SOFT_FLOAT
&& ( register_operand (operands[0], DFmode)
|| register_operand (operands[1], DFmode))"
"*
@ -6139,8 +6150,9 @@
"
[(set_attr "length" "8,12,16,8,8")
(set_attr "type" "*,*,*,load2,store2")
(set_attr "pool_range" "1020")
(set_attr "neg_pool_range" "1008")]
(set_attr "pool_range" "*,*,*,1020,*")
(set_attr "arm_neg_pool_range" "*,*,*,1008,*")
(set_attr "thumb2_neg_pool_range" "*,*,*,0,*")]
)
;;; ??? This should have alternatives for constants.

65
gcc/config/arm/thumb2.md
View File

@ -200,29 +200,6 @@
(set_attr "length" "10,8")]
)
(define_insn "*thumb2_movdi"
[(set (match_operand:DI 0 "nonimmediate_di_operand" "=r, r, r, r, m")
(match_operand:DI 1 "di_operand" "rDa,Db,Dc,mi,r"))]
"TARGET_THUMB2
&& !(TARGET_HARD_FLOAT && (TARGET_MAVERICK || TARGET_VFP))
&& !TARGET_IWMMXT"
"*
switch (which_alternative)
{
case 0:
case 1:
case 2:
return \"#\";
default:
return output_move_double (operands);
}
"
[(set_attr "length" "8,12,16,8,8")
(set_attr "type" "*,*,*,load2,store2")
(set_attr "pool_range" "*,*,*,4096,*")
(set_attr "neg_pool_range" "*,*,*,0,*")]
)
;; We have two alternatives here for memory loads (and similarly for stores)
;; to reflect the fact that the permissible constant pool ranges differ
;; between ldr instructions taking low regs and ldr instructions taking high
@ -269,7 +246,7 @@
;; Thumb-2 always has load/store halfword instructions, so we can avoid a lot
;; of the messiness associated with the ARM patterns.
(define_insn "*thumb2_movhi_insn"
[(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,m,r")
[(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,m,r")
(match_operand:HI 1 "general_operand" "rI,n,r,m"))]
"TARGET_THUMB2"
"@
@ -283,46 +260,6 @@
(set_attr "neg_pool_range" "*,*,*,250")]
)
(define_insn "*thumb2_movsf_soft_insn"
[(set (match_operand:SF 0 "nonimmediate_operand" "=r,r,m")
(match_operand:SF 1 "general_operand" "r,mE,r"))]
"TARGET_THUMB2
&& TARGET_SOFT_FLOAT
&& (GET_CODE (operands[0]) != MEM
|| register_operand (operands[1], SFmode))"
"@
mov%?\\t%0, %1
ldr%?\\t%0, %1\\t%@ float
str%?\\t%1, %0\\t%@ float"
[(set_attr "predicable" "yes")
(set_attr "type" "*,load1,store1")
(set_attr "pool_range" "*,4096,*")
(set_attr "neg_pool_range" "*,0,*")]
)
(define_insn "*thumb2_movdf_soft_insn"
[(set (match_operand:DF 0 "nonimmediate_soft_df_operand" "=r,r,r,r,m")
(match_operand:DF 1 "soft_df_operand" "rDa,Db,Dc,mF,r"))]
"TARGET_THUMB2 && TARGET_SOFT_FLOAT
&& ( register_operand (operands[0], DFmode)
|| register_operand (operands[1], DFmode))"
"*
switch (which_alternative)
{
case 0:
case 1:
case 2:
return \"#\";
default:
return output_move_double (operands);
}
"
[(set_attr "length" "8,12,16,8,8")
(set_attr "type" "*,*,*,load2,store2")
(set_attr "pool_range" "*,*,*,1020,*")
(set_attr "neg_pool_range" "*,*,*,0,*")]
)
(define_insn "*thumb2_cmpsi_shiftsi"
[(set (reg:CC CC_REGNUM)
(compare:CC (match_operand:SI 0 "s_register_operand" "r")