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-rw-r--r--src/main/scala/Chisel/Bits.scala50
-rw-r--r--src/main/scala/Chisel/Data.scala10
-rw-r--r--src/main/scala/Chisel/Mem.scala7
-rw-r--r--src/main/scala/Chisel/Module.scala8
-rw-r--r--src/main/scala/Chisel/Reg.scala10
-rw-r--r--src/main/scala/Chisel/internal/firrtl/Emitter.scala5
-rw-r--r--src/main/scala/Chisel/internal/firrtl/IR.scala12
-rw-r--r--src/test/scala/chiselTests/EnableShiftRegister.scala4
-rw-r--r--src/test/scala/chiselTests/LFSR16.scala6
-rw-r--r--src/test/scala/chiselTests/MemorySearch.scala4
-rw-r--r--src/test/scala/chiselTests/Module.scala18
-rw-r--r--src/test/scala/chiselTests/Padding.scala2
-rw-r--r--src/test/scala/chiselTests/Risc.scala10
-rw-r--r--src/test/scala/chiselTests/SIntOps.scala4
-rw-r--r--src/test/scala/chiselTests/Stack.scala4
-rw-r--r--src/test/scala/chiselTests/UIntOps.scala4
16 files changed, 88 insertions, 70 deletions
diff --git a/src/main/scala/Chisel/Bits.scala b/src/main/scala/Chisel/Bits.scala
index fbc1586f..b800644d 100644
--- a/src/main/scala/Chisel/Bits.scala
+++ b/src/main/scala/Chisel/Bits.scala
@@ -29,6 +29,24 @@ sealed abstract class Bits(dirArg: Direction, width: Width, override val litArg:
override def <> (that: Data): Unit = this := that
+ def tail(n: Int): UInt = {
+ val w = width match {
+ case KnownWidth(x) =>
+ require(x >= n, s"Can't tail($n) for width $x < $n")
+ Width(x - n)
+ case UnknownWidth() => Width()
+ }
+ binop(UInt(width = w), TailOp, n)
+ }
+
+ def head(n: Int): UInt = {
+ width match {
+ case KnownWidth(x) => require(x >= n, s"Can't head($n) for width $x < $n")
+ case UnknownWidth() =>
+ }
+ binop(UInt(width = n), HeadOp, n)
+ }
+
/** Returns the specified bit on this wire as a [[Bool]], statically
* addressed.
*/
@@ -39,7 +57,7 @@ sealed abstract class Bits(dirArg: Direction, width: Width, override val litArg:
if (isLit()) {
Bool(((litValue() >> x.toInt) & 1) == 1)
} else {
- pushOp(DefPrim(Bool(), BitSelectOp, this.ref, ILit(x)))
+ pushOp(DefPrim(Bool(), BitsExtractOp, this.ref, ILit(x), ILit(x)))
}
}
@@ -92,9 +110,6 @@ sealed abstract class Bits(dirArg: Direction, width: Width, override val litArg:
private[Chisel] def redop(op: PrimOp): Bool =
pushOp(DefPrim(Bool(), op, this.ref))
- /** Returns this wire bitwise-inverted. */
- def unary_~ : this.type = unop(cloneTypeWidth(width), BitNotOp)
-
/** Returns this wire zero padded up to the specified width.
*
* @note for SInts only, this does sign extension
@@ -279,19 +294,22 @@ sealed class UInt private[Chisel] (dir: Direction, width: Width, lit: Option[ULi
def unary_-% : UInt = UInt(0) -% this
def +& (other: UInt): UInt = binop(UInt((this.width max other.width) + 1), AddOp, other)
def + (other: UInt): UInt = this +% other
- def +% (other: UInt): UInt = binop(UInt(this.width max other.width), AddModOp, other)
+ def +% (other: UInt): UInt = (this +& other) tail 1
def -& (other: UInt): UInt = binop(UInt((this.width max other.width) + 1), SubOp, other)
def - (other: UInt): UInt = this -% other
- def -% (other: UInt): UInt = binop(UInt(this.width max other.width), SubModOp, other)
+ def -% (other: UInt): UInt = (this -& other) tail 1
def * (other: UInt): UInt = binop(UInt(this.width + other.width), TimesOp, other)
def * (other: SInt): SInt = other * this
def / (other: UInt): UInt = binop(UInt(this.width), DivideOp, other)
- def % (other: UInt): UInt = binop(UInt(this.width), ModOp, other)
+ def % (other: UInt): UInt = binop(UInt(this.width), RemOp, other)
def & (other: UInt): UInt = binop(UInt(this.width max other.width), BitAndOp, other)
def | (other: UInt): UInt = binop(UInt(this.width max other.width), BitOrOp, other)
def ^ (other: UInt): UInt = binop(UInt(this.width max other.width), BitXorOp, other)
+ /** Returns this wire bitwise-inverted. */
+ def unary_~ : UInt = unop(UInt(width = width), BitNotOp)
+
// REVIEW TODO: Can this be defined on Bits?
def orR: Bool = this != UInt(0)
def andR: Bool = ~this === UInt(0)
@@ -410,21 +428,24 @@ sealed class SInt private (dir: Direction, width: Width, lit: Option[SLit] = Non
/** add (default - no growth) operator */
def + (other: SInt): SInt = this +% other
/** add (no growth) operator */
- def +% (other: SInt): SInt = binop(SInt(this.width max other.width), AddModOp, other)
+ def +% (other: SInt): SInt = (this +& other).tail(1).asSInt
/** subtract (width +1) operator */
def -& (other: SInt): SInt = binop(SInt((this.width max other.width) + 1), SubOp, other)
/** subtract (default - no growth) operator */
def - (other: SInt): SInt = this -% other
/** subtract (no growth) operator */
- def -% (other: SInt): SInt = binop(SInt(this.width max other.width), SubModOp, other)
+ def -% (other: SInt): SInt = (this -& other).tail(1).asSInt
def * (other: SInt): SInt = binop(SInt(this.width + other.width), TimesOp, other)
def * (other: UInt): SInt = binop(SInt(this.width + other.width), TimesOp, other)
def / (other: SInt): SInt = binop(SInt(this.width), DivideOp, other)
- def % (other: SInt): SInt = binop(SInt(this.width), ModOp, other)
+ def % (other: SInt): SInt = binop(SInt(this.width), RemOp, other)
- def & (other: SInt): SInt = binop(SInt(this.width max other.width), BitAndOp, other)
- def | (other: SInt): SInt = binop(SInt(this.width max other.width), BitOrOp, other)
- def ^ (other: SInt): SInt = binop(SInt(this.width max other.width), BitXorOp, other)
+ def & (other: SInt): SInt = binop(UInt(this.width max other.width), BitAndOp, other).asSInt
+ def | (other: SInt): SInt = binop(UInt(this.width max other.width), BitOrOp, other).asSInt
+ def ^ (other: SInt): SInt = binop(UInt(this.width max other.width), BitXorOp, other).asSInt
+
+ /** Returns this wire bitwise-inverted. */
+ def unary_~ : SInt = unop(UInt(width = width), BitNotOp).asSInt
def < (other: SInt): Bool = compop(LessOp, other)
def > (other: SInt): Bool = compop(GreaterOp, other)
@@ -490,6 +511,9 @@ sealed class Bool(dir: Direction, lit: Option[ULit] = None) extends UInt(dir, Wi
def | (other: Bool): Bool = binop(Bool(), BitOrOp, other)
def ^ (other: Bool): Bool = binop(Bool(), BitXorOp, other)
+ /** Returns this wire bitwise-inverted. */
+ override def unary_~ : Bool = unop(Bool(), BitNotOp)
+
/** Outputs the logical OR of two Bools.
*/
def || (that: Bool): Bool = this | that
diff --git a/src/main/scala/Chisel/Data.scala b/src/main/scala/Chisel/Data.scala
index 1011fe47..0ac3ee32 100644
--- a/src/main/scala/Chisel/Data.scala
+++ b/src/main/scala/Chisel/Data.scala
@@ -119,7 +119,7 @@ object Wire {
if (init != null) {
x := init
} else {
- x.flatten.foreach(e => e := e.fromInt(0))
+ pushCommand(DefInvalid(x.ref))
}
x
}
@@ -141,11 +141,3 @@ sealed class Clock(dirArg: Direction) extends Element(dirArg, Width(1)) {
case _ => this badConnect that
}
}
-
-// TODO: check with FIRRTL specs, how much official implementation flexibility
-// is there?
-/** A source of garbage data, used to initialize Wires to a don't-care value. */
-private object Poison extends Command {
- def apply[T <: Data](t: T): T =
- pushCommand(DefPoison(t.cloneType)).id
-}
diff --git a/src/main/scala/Chisel/Mem.scala b/src/main/scala/Chisel/Mem.scala
index 3bbb1151..21284607 100644
--- a/src/main/scala/Chisel/Mem.scala
+++ b/src/main/scala/Chisel/Mem.scala
@@ -113,6 +113,9 @@ object SeqMem {
* result is undefined (unlike Vec, where the last assignment wins)
*/
sealed class SeqMem[T <: Data](t: T, n: Int) extends MemBase[T](t, n) {
- def read(addr: UInt, enable: Bool): T =
- read(Mux(enable, addr, Poison(addr)))
+ def read(addr: UInt, enable: Bool): T = {
+ val a = Wire(UInt())
+ when (enable) { a := addr }
+ read(a)
+ }
}
diff --git a/src/main/scala/Chisel/Module.scala b/src/main/scala/Chisel/Module.scala
index 2a0f29db..463c2f81 100644
--- a/src/main/scala/Chisel/Module.scala
+++ b/src/main/scala/Chisel/Module.scala
@@ -20,16 +20,12 @@ object Module {
def apply[T <: Module](bc: => T): T = {
val parent = dynamicContext.currentModule
val m = bc.setRefs()
- // init module outputs
- m._commands prependAll (for (p <- m.io.flatten; if p.dir == OUTPUT)
- yield Connect(p.lref, p.fromInt(0).ref))
+ m._commands.prepend(DefInvalid(m.io.ref)) // init module outputs
dynamicContext.currentModule = parent
val ports = m.computePorts
Builder.components += Component(m, m.name, ports, m._commands)
pushCommand(DefInstance(m, ports))
- // init instance inputs
- for (p <- m.io.flatten; if p.dir == INPUT)
- p := p.fromInt(0)
+ pushCommand(DefInvalid(m.io.ref)) // init instance inputs
m.connectImplicitIOs()
}
}
diff --git a/src/main/scala/Chisel/Reg.scala b/src/main/scala/Chisel/Reg.scala
index f166c84b..e69061c5 100644
--- a/src/main/scala/Chisel/Reg.scala
+++ b/src/main/scala/Chisel/Reg.scala
@@ -45,10 +45,12 @@ object Reg {
// to resolve all use cases. If the type inferencer / implicit resolution
// system improves, this may be changed.
val x = makeType(t, next, init)
- val (resetEn, resetVal) =
- if (init != null) (Node(x._parent.get.reset), init)
- else (ULit(0, Width(1)), x)
- pushCommand(DefRegister(x, Node(x._parent.get.clock), resetEn, resetVal.ref)) // TODO multi-clock
+ val clock = Node(x._parent.get.clock) // TODO multi-clock
+ if (init == null) {
+ pushCommand(DefReg(x, clock))
+ } else {
+ pushCommand(DefRegInit(x, clock, Node(x._parent.get.reset), init.ref))
+ }
if (next != null) {
x := next
}
diff --git a/src/main/scala/Chisel/internal/firrtl/Emitter.scala b/src/main/scala/Chisel/internal/firrtl/Emitter.scala
index 0c5da829..c2391f97 100644
--- a/src/main/scala/Chisel/internal/firrtl/Emitter.scala
+++ b/src/main/scala/Chisel/internal/firrtl/Emitter.scala
@@ -11,8 +11,8 @@ private class Emitter(circuit: Circuit) {
private def emit(e: Command, ctx: Component): String = e match {
case e: DefPrim[_] => s"node ${e.name} = ${e.op.name}(${e.args.map(_.fullName(ctx)).reduce(_ + ", " + _)})"
case e: DefWire => s"wire ${e.name} : ${e.id.toType}"
- case e: DefPoison[_] => s"poison ${e.name} : ${e.id.toType}"
- case e: DefRegister => s"reg ${e.name} : ${e.id.toType}, ${e.clock.fullName(ctx)}, ${e.reset.fullName(ctx)}, ${e.init.fullName(ctx)}"
+ case e: DefReg => s"reg ${e.name} : ${e.id.toType}, ${e.clock.fullName(ctx)}"
+ case e: DefRegInit => s"reg ${e.name} : ${e.id.toType}, ${e.clock.fullName(ctx)} with : (reset => (${e.reset.fullName(ctx)}, ${e.init.fullName(ctx)}))"
case e: DefMemory => s"cmem ${e.name} : ${e.t.toType}[${e.size}]"
case e: DefSeqMemory => s"smem ${e.name} : ${e.t.toType}[${e.size}]"
case e: DefMemPort[_] => s"${e.dir} mport ${e.name} = ${e.source.fullName(ctx)}[${e.index.fullName(ctx)}], ${e.clock.fullName(ctx)}"
@@ -20,6 +20,7 @@ private class Emitter(circuit: Circuit) {
case e: BulkConnect => s"${e.loc1.fullName(ctx)} <- ${e.loc2.fullName(ctx)}"
case e: Stop => s"stop(${e.clk.fullName(ctx)}, UInt<1>(1), ${e.ret})"
case e: Printf => s"""printf(${e.clk.fullName(ctx)}, UInt<1>(1), "${e.format}"${e.ids.map(_.fullName(ctx)).fold(""){_ + ", " + _}})"""
+ case e: DefInvalid => s"${e.arg.fullName(ctx)} is invalid"
case e: DefInstance => {
val modName = moduleMap.get(e.id.name).get
s"inst ${e.name} of $modName"
diff --git a/src/main/scala/Chisel/internal/firrtl/IR.scala b/src/main/scala/Chisel/internal/firrtl/IR.scala
index 5612f1af..7bb273c0 100644
--- a/src/main/scala/Chisel/internal/firrtl/IR.scala
+++ b/src/main/scala/Chisel/internal/firrtl/IR.scala
@@ -10,12 +10,12 @@ case class PrimOp(val name: String) {
object PrimOp {
val AddOp = PrimOp("add")
- val AddModOp = PrimOp("addw")
val SubOp = PrimOp("sub")
- val SubModOp = PrimOp("subw")
+ val TailOp = PrimOp("tail")
+ val HeadOp = PrimOp("head")
val TimesOp = PrimOp("mul")
val DivideOp = PrimOp("div")
- val ModOp = PrimOp("mod")
+ val RemOp = PrimOp("rem")
val ShiftLeftOp = PrimOp("shl")
val ShiftRightOp = PrimOp("shr")
val DynamicShiftLeftOp = PrimOp("dshl")
@@ -25,7 +25,6 @@ object PrimOp {
val BitXorOp = PrimOp("xor")
val BitNotOp = PrimOp("not")
val ConcatOp = PrimOp("cat")
- val BitSelectOp = PrimOp("bit")
val BitsExtractOp = PrimOp("bits")
val LessOp = PrimOp("lt")
val LessEqOp = PrimOp("leq")
@@ -148,13 +147,14 @@ abstract class Definition extends Command {
def name: String = id.getRef.name
}
case class DefPrim[T <: Data](id: T, op: PrimOp, args: Arg*) extends Definition
+case class DefInvalid(arg: Arg) extends Command
case class DefWire(id: Data) extends Definition
-case class DefRegister(id: Data, clock: Arg, reset: Arg, init: Arg) extends Definition
+case class DefReg(id: Data, clock: Arg) extends Definition
+case class DefRegInit(id: Data, clock: Arg, reset: Arg, init: Arg) extends Definition
case class DefMemory(id: HasId, t: Data, size: Int) extends Definition
case class DefSeqMemory(id: HasId, t: Data, size: Int) extends Definition
case class DefMemPort[T <: Data](id: T, source: Node, dir: MemPortDirection, index: Arg, clock: Arg) extends Definition
case class DefInstance(id: Module, ports: Seq[Port]) extends Definition
-case class DefPoison[T <: Data](id: T) extends Definition
case class WhenBegin(pred: Arg) extends Command
case class WhenEnd() extends Command
case class Connect(loc: Node, exp: Arg) extends Command
diff --git a/src/test/scala/chiselTests/EnableShiftRegister.scala b/src/test/scala/chiselTests/EnableShiftRegister.scala
index b19fe3d9..6600df2a 100644
--- a/src/test/scala/chiselTests/EnableShiftRegister.scala
+++ b/src/test/scala/chiselTests/EnableShiftRegister.scala
@@ -29,7 +29,7 @@ class EnableShiftRegisterTester(c: EnableShiftRegister) extends Tester(c) {
for (t <- 0 until 16) {
val in = rnd.nextInt(16)
val shift = rnd.nextInt(2)
- println("SHIFT " + shift + " IN " + in)
+ println("SHIFT " + shift + " IN " + in) // scalastyle:ignore regex
poke(c.io.in, in)
poke(c.io.shift, shift)
step(1)
@@ -44,7 +44,7 @@ class EnableShiftRegisterTester(c: EnableShiftRegister) extends Tester(c) {
*/
class EnableShiftRegisterSpec extends ChiselPropSpec {
-
+
property("EnableShiftRegister should elaborate") {
elaborate { new EnableShiftRegister }
}
diff --git a/src/test/scala/chiselTests/LFSR16.scala b/src/test/scala/chiselTests/LFSR16.scala
index dcc3a403..ed76a296 100644
--- a/src/test/scala/chiselTests/LFSR16.scala
+++ b/src/test/scala/chiselTests/LFSR16.scala
@@ -10,8 +10,8 @@ class LFSR16 extends Module {
val out = UInt(OUTPUT, 16)
}
val res = Reg(init = UInt(1, 16))
- when (io.inc) {
- val nxt_res = Cat(res(0)^res(2)^res(3)^res(5), res(15,1))
+ when (io.inc) {
+ val nxt_res = Cat(res(0)^res(2)^res(3)^res(5), res(15,1))
res := nxt_res
}
io.out := res
@@ -37,7 +37,7 @@ class LFSR16Tester(c: LFSR16) extends Tester(c) {
//TODO: Use chisel.util version instead?
class LFSRSpec extends ChiselPropSpec {
-
+
property("LFSR16 should elaborate") {
elaborate { new LFSR16 }
}
diff --git a/src/test/scala/chiselTests/MemorySearch.scala b/src/test/scala/chiselTests/MemorySearch.scala
index ec48c666..55b704a0 100644
--- a/src/test/scala/chiselTests/MemorySearch.scala
+++ b/src/test/scala/chiselTests/MemorySearch.scala
@@ -41,14 +41,14 @@ class MemorySearchTester(c: MemorySearch) extends Tester(c) {
step(1)
} while (peek(c.io.done) == 0 && t < maxT)
val addr = peek(c.io.address).toInt
- expect(addr == list.length || list(addr) == target,
+ expect(addr == list.length || list(addr) == target,
"LOOKING FOR " + target + " FOUND " + addr)
}
}
*/
class MemorySearchSpec extends ChiselPropSpec {
-
+
property("MemorySearch should elaborate") {
elaborate { new EnableShiftRegister }
}
diff --git a/src/test/scala/chiselTests/Module.scala b/src/test/scala/chiselTests/Module.scala
index 4191eea7..27fd5125 100644
--- a/src/test/scala/chiselTests/Module.scala
+++ b/src/test/scala/chiselTests/Module.scala
@@ -21,7 +21,7 @@ class ModuleVec(val n: Int) extends Module {
val pluses = Vec.fill(n){ Module(new PlusOne).io }
for (i <- 0 until n) {
pluses(i).in := io.ins(i)
- io.outs(i) := pluses(i).out
+ io.outs(i) := pluses(i).out
}
}
@@ -29,10 +29,10 @@ class ModuleVec(val n: Int) extends Module {
class ModuleVecTester(c: ModuleVec) extends Tester(c) {
for (t <- 0 until 16) {
val test_ins = Array.fill(c.n){ rnd.nextInt(256) }
- for (i <- 0 until c.n)
+ for (i <- 0 until c.n)
poke(c.io.ins(i), test_ins(i))
step(1)
- for (i <- 0 until c.n)
+ for (i <- 0 until c.n)
expect(c.io.outs(i), test_ins(i) + 1)
}
}
@@ -42,7 +42,7 @@ class ModuleWire extends Module {
val io = new SimpleIO
val inc = Wire(Module(new PlusOne).io)
inc.in := io.in
- io.out := inc.out
+ io.out := inc.out
}
/*
@@ -61,27 +61,27 @@ class ModuleWhen extends Module {
val s = new SimpleIO
val en = Bool()
}
- when(io.en) {
+ when(io.en) {
val inc = Module(new PlusOne).io
inc.in := io.s.in
- io.s.out := inc.out
+ io.s.out := inc.out
} otherwise { io.s.out := io.s.in }
}
class ModuleSpec extends ChiselPropSpec {
-
+
property("ModuleVec should elaborate") {
elaborate { new ModuleVec(2) }
}
ignore("ModuleVecTester should return the correct result") { }
-
+
property("ModuleWire should elaborate") {
elaborate { new ModuleWire }
}
ignore("ModuleWireTester should return the correct result") { }
-
+
property("ModuleWhen should elaborate") {
elaborate { new ModuleWhen }
}
diff --git a/src/test/scala/chiselTests/Padding.scala b/src/test/scala/chiselTests/Padding.scala
index 35a4c4a6..93a2c39f 100644
--- a/src/test/scala/chiselTests/Padding.scala
+++ b/src/test/scala/chiselTests/Padding.scala
@@ -32,7 +32,7 @@ class PadsTester(c: Pads) extends Tester(c) {
*/
class PadderSpec extends ChiselPropSpec {
-
+
property("Padder should elaborate") {
elaborate { new Padder }
}
diff --git a/src/test/scala/chiselTests/Risc.scala b/src/test/scala/chiselTests/Risc.scala
index b33b896b..ad5cf762 100644
--- a/src/test/scala/chiselTests/Risc.scala
+++ b/src/test/scala/chiselTests/Risc.scala
@@ -15,7 +15,7 @@ class Risc extends Module {
val file = Mem(Bits(width = 32), 256)
val code = Mem(Bits(width = 32), 256)
val pc = Reg(init=UInt(0, 8))
-
+
val add_op :: imm_op :: Nil = Enum(Bits(width = 8), 2)
val inst = code(pc)
@@ -72,7 +72,7 @@ class RiscTester(c: Risc) extends Tester(c) {
def I (op: UInt, rc: Int, ra: Int, rb: Int) = {
// val cr = Cat(op, UInt(rc, 8), UInt(ra, 8), UInt(rb, 8)).litValue()
val cr = op.litValue() << 24 | rc << 16 | ra << 8 | rb
- println("I = " + cr)
+ println("I = " + cr) // scalastyle:ignore regex
cr
}
@@ -81,10 +81,10 @@ class RiscTester(c: Risc) extends Tester(c) {
I(c.add_op, 1, 1, 1), // r1 <- r1 + r1
I(c.add_op, 255, 1, 0)) // rh <- r1
wr(0, 0) // skip reset
- for (addr <- 0 until app.length)
+ for (addr <- 0 until app.length)
wr(addr, app(addr))
def dump(k: Int) {
- println("K = " + k)
+ println("K = " + k) // scalastyle:ignore regex
peek(c.ra)
peek(c.rb)
peek(c.rc)
@@ -110,7 +110,7 @@ class RiscTester(c: Risc) extends Tester(c) {
*/
class RiscSpec extends ChiselPropSpec {
-
+
property("Risc should elaborate") {
elaborate { new Risc }
}
diff --git a/src/test/scala/chiselTests/SIntOps.scala b/src/test/scala/chiselTests/SIntOps.scala
index 4a87a2d2..0835fb4d 100644
--- a/src/test/scala/chiselTests/SIntOps.scala
+++ b/src/test/scala/chiselTests/SIntOps.scala
@@ -29,7 +29,7 @@ class SIntOps extends Module {
io.addout := a +% b
io.subout := a -% b
- // TODO:
+ // TODO:
//io.timesout := (a * b)(15, 0)
//io.divout := a / Mux(b === SInt(0), SInt(1), b)
//io.divout := (a / b)(15, 0)
@@ -83,7 +83,7 @@ class SIntOpsTester(c: SIntOps) extends Tester(c) {
*/
class SIntOpsSpec extends ChiselPropSpec {
-
+
property("SIntOps should elaborate") {
elaborate { new SIntOps }
}
diff --git a/src/test/scala/chiselTests/Stack.scala b/src/test/scala/chiselTests/Stack.scala
index 0110550d..600934aa 100644
--- a/src/test/scala/chiselTests/Stack.scala
+++ b/src/test/scala/chiselTests/Stack.scala
@@ -14,7 +14,7 @@ class ChiselStack(val depth: Int) extends Module {
}
val stack_mem = Mem(UInt(width = 32), depth)
- val sp = Reg(init = UInt(0, width = log2Up(depth+1)))
+ val sp = Reg(init = UInt(0, width = log2Up(depth + 1)))
val out = Reg(init = UInt(0, width = 32))
when (io.en) {
@@ -66,7 +66,7 @@ class StackTester(c: Stack) extends Tester(c) {
*/
class StackSpec extends ChiselPropSpec {
-
+
property("Stack should elaborate") {
elaborate { new ChiselStack(2) }
}
diff --git a/src/test/scala/chiselTests/UIntOps.scala b/src/test/scala/chiselTests/UIntOps.scala
index 9affb511..bb0b0f06 100644
--- a/src/test/scala/chiselTests/UIntOps.scala
+++ b/src/test/scala/chiselTests/UIntOps.scala
@@ -32,7 +32,7 @@ class UIntOps extends Module {
io.timesout := (a * b)(15, 0)
io.divout := a / Mux(b === UInt(0), UInt(1), b)
// io.modout := a % b
- // TODO:
+ // TODO:
io.modout := UInt(0)
io.lshiftout := (a << b(3, 0))(15, 0)
io.rshiftout := a >> b
@@ -99,7 +99,7 @@ class UIntOpsSpec extends ChiselPropSpec with Matchers {
property("Bools cannot be created from >1 bit UInts") {
a [Exception] should be thrownBy { elaborate(new BadBoolConversion) }
}
-
+
property("UIntOps should elaborate") {
elaborate { new UIntOps }
}