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rewriteARM.go
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rewriteARM.go
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// autogenerated from gen/ARM.rules: do not edit!
// generated with: cd gen; go run *.go
package ssa
import "math"
var _ = math.MinInt8 // in case not otherwise used
func rewriteValueARM(v *Value, config *Config) bool {
switch v.Op {
case OpARMADD:
return rewriteValueARM_OpARMADD(v, config)
case OpAdd32:
return rewriteValueARM_OpAdd32(v, config)
case OpAddr:
return rewriteValueARM_OpAddr(v, config)
case OpConst32:
return rewriteValueARM_OpConst32(v, config)
case OpLess32:
return rewriteValueARM_OpLess32(v, config)
case OpLoad:
return rewriteValueARM_OpLoad(v, config)
case OpARMMOVWload:
return rewriteValueARM_OpARMMOVWload(v, config)
case OpARMMOVWstore:
return rewriteValueARM_OpARMMOVWstore(v, config)
case OpOffPtr:
return rewriteValueARM_OpOffPtr(v, config)
case OpStaticCall:
return rewriteValueARM_OpStaticCall(v, config)
case OpStore:
return rewriteValueARM_OpStore(v, config)
}
return false
}
func rewriteValueARM_OpARMADD(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (ADD (MOVWconst [c]) x)
// cond:
// result: (ADDconst [c] x)
for {
v_0 := v.Args[0]
if v_0.Op != OpARMMOVWconst {
break
}
c := v_0.AuxInt
x := v.Args[1]
v.reset(OpARMADDconst)
v.AuxInt = c
v.AddArg(x)
return true
}
// match: (ADD x (MOVWconst [c]))
// cond:
// result: (ADDconst [c] x)
for {
x := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARMMOVWconst {
break
}
c := v_1.AuxInt
v.reset(OpARMADDconst)
v.AuxInt = c
v.AddArg(x)
return true
}
return false
}
func rewriteValueARM_OpAdd32(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (Add32 x y)
// cond:
// result: (ADD x y)
for {
x := v.Args[0]
y := v.Args[1]
v.reset(OpARMADD)
v.AddArg(x)
v.AddArg(y)
return true
}
}
func rewriteValueARM_OpAddr(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (Addr {sym} base)
// cond:
// result: (ADDconst {sym} base)
for {
sym := v.Aux
base := v.Args[0]
v.reset(OpARMADDconst)
v.Aux = sym
v.AddArg(base)
return true
}
}
func rewriteValueARM_OpConst32(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (Const32 [val])
// cond:
// result: (MOVWconst [val])
for {
val := v.AuxInt
v.reset(OpARMMOVWconst)
v.AuxInt = val
return true
}
}
func rewriteValueARM_OpLess32(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (Less32 x y)
// cond:
// result: (LessThan (CMP x y))
for {
x := v.Args[0]
y := v.Args[1]
v.reset(OpARMLessThan)
v0 := b.NewValue0(v.Line, OpARMCMP, TypeFlags)
v0.AddArg(x)
v0.AddArg(y)
v.AddArg(v0)
return true
}
}
func rewriteValueARM_OpLoad(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (Load <t> ptr mem)
// cond: is32BitInt(t)
// result: (MOVWload ptr mem)
for {
t := v.Type
ptr := v.Args[0]
mem := v.Args[1]
if !(is32BitInt(t)) {
break
}
v.reset(OpARMMOVWload)
v.AddArg(ptr)
v.AddArg(mem)
return true
}
return false
}
func rewriteValueARM_OpARMMOVWload(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVWload [off1] {sym1} (ADDconst [off2] {sym2} ptr) mem)
// cond: canMergeSym(sym1,sym2)
// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
for {
off1 := v.AuxInt
sym1 := v.Aux
v_0 := v.Args[0]
if v_0.Op != OpARMADDconst {
break
}
off2 := v_0.AuxInt
sym2 := v_0.Aux
ptr := v_0.Args[0]
mem := v.Args[1]
if !(canMergeSym(sym1, sym2)) {
break
}
v.reset(OpARMMOVWload)
v.AuxInt = off1 + off2
v.Aux = mergeSym(sym1, sym2)
v.AddArg(ptr)
v.AddArg(mem)
return true
}
return false
}
func rewriteValueARM_OpARMMOVWstore(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVWstore [off1] {sym1} (ADDconst [off2] {sym2} ptr) val mem)
// cond: canMergeSym(sym1,sym2)
// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
for {
off1 := v.AuxInt
sym1 := v.Aux
v_0 := v.Args[0]
if v_0.Op != OpARMADDconst {
break
}
off2 := v_0.AuxInt
sym2 := v_0.Aux
ptr := v_0.Args[0]
val := v.Args[1]
mem := v.Args[2]
if !(canMergeSym(sym1, sym2)) {
break
}
v.reset(OpARMMOVWstore)
v.AuxInt = off1 + off2
v.Aux = mergeSym(sym1, sym2)
v.AddArg(ptr)
v.AddArg(val)
v.AddArg(mem)
return true
}
return false
}
func rewriteValueARM_OpOffPtr(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (OffPtr [off] ptr)
// cond:
// result: (ADD (MOVWconst <config.Frontend().TypeInt32()> [off]) ptr)
for {
off := v.AuxInt
ptr := v.Args[0]
v.reset(OpARMADD)
v0 := b.NewValue0(v.Line, OpARMMOVWconst, config.Frontend().TypeInt32())
v0.AuxInt = off
v.AddArg(v0)
v.AddArg(ptr)
return true
}
}
func rewriteValueARM_OpStaticCall(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (StaticCall [argwid] {target} mem)
// cond:
// result: (CALLstatic [argwid] {target} mem)
for {
argwid := v.AuxInt
target := v.Aux
mem := v.Args[0]
v.reset(OpARMCALLstatic)
v.AuxInt = argwid
v.Aux = target
v.AddArg(mem)
return true
}
}
func rewriteValueARM_OpStore(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (Store [4] ptr val mem)
// cond:
// result: (MOVWstore ptr val mem)
for {
if v.AuxInt != 4 {
break
}
ptr := v.Args[0]
val := v.Args[1]
mem := v.Args[2]
v.reset(OpARMMOVWstore)
v.AddArg(ptr)
v.AddArg(val)
v.AddArg(mem)
return true
}
return false
}
func rewriteBlockARM(b *Block) bool {
switch b.Kind {
case BlockIf:
// match: (If (LessThan cc) yes no)
// cond:
// result: (LT cc yes no)
for {
v := b.Control
if v.Op != OpARMLessThan {
break
}
cc := v.Args[0]
yes := b.Succs[0]
no := b.Succs[1]
b.Kind = BlockARMLT
b.SetControl(cc)
_ = yes
_ = no
return true
}
}
return false
}