From: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Date: Mon, 9 Apr 2012 18:40:35 +0000 (+0200)
Subject: nv50/ir: make Instruction::src/def container private
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9362d4bc0a03860ec386156cf499e855a9c2d2a5;p=mesa.git

nv50/ir: make Instruction::src/def container private
---

diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir.cpp b/src/gallium/drivers/nv50/codegen/nv50_ir.cpp
index ebcdff4fb79..4e270c583f6 100644
--- a/src/gallium/drivers/nv50/codegen/nv50_ir.cpp
+++ b/src/gallium/drivers/nv50/codegen/nv50_ir.cpp
@@ -555,44 +555,44 @@ Instruction::~Instruction()
 void
 Instruction::setDef(int i, Value *val)
 {
-   int size = def.size();
+   int size = defs.size();
    if (i >= size) {
-      def.resize(i + 1);
+      defs.resize(i + 1);
       while (size <= i)
-         def[size++].setInsn(this);
+         defs[size++].setInsn(this);
    }
-   def[i].set(val);
+   defs[i].set(val);
 }
 
 void
 Instruction::setSrc(int s, Value *val)
 {
-   int size = src.size();
+   int size = srcs.size();
    if (s >= size) {
-      src.resize(s + 1);
+      srcs.resize(s + 1);
       while (size <= s)
-         src[size++].setInsn(this);
+         srcs[size++].setInsn(this);
    }
-   src[s].set(val);
+   srcs[s].set(val);
 }
 
 void
 Instruction::setSrc(int s, const ValueRef& ref)
 {
    setSrc(s, ref.get());
-   src[s].mod = ref.mod;
+   srcs[s].mod = ref.mod;
 }
 
 void
 Instruction::swapSources(int a, int b)
 {
-   Value *value = src[a].get();
-   Modifier m = src[a].mod;
+   Value *value = srcs[a].get();
+   Modifier m = srcs[a].mod;
 
-   setSrc(a, src[b]);
+   setSrc(a, srcs[b]);
 
-   src[b].set(value);
-   src[b].mod = m;
+   srcs[b].set(value);
+   srcs[b].mod = m;
 }
 
 void
@@ -663,7 +663,7 @@ Instruction::cloneBase(Instruction *insn, bool deep) const
    }
 
    for (int s = 0; this->srcExists(s); ++s)
-      insn->setSrc(s, this->src[s]);
+      insn->setSrc(s, this->srcs[s]);
 
    insn->predSrc = this->predSrc;
    insn->flagsDef = this->flagsDef;
@@ -695,15 +695,17 @@ Instruction::setIndirect(int s, int dim, Value *value)
 {
    assert(this->srcExists(s));
 
-   int p = src[s].indirect[dim];
+   int p = srcs[s].indirect[dim];
    if (p < 0) {
       if (!value)
          return true;
-      p = src.size();
+      p = srcs.size();
+      while (p > 0 && !srcExists(p - 1))
+         --p;
    }
    setSrc(p, value);
-   src[p].usedAsPtr = (value != 0);
-   src[s].indirect[dim] = value ? p : -1;
+   srcs[p].usedAsPtr = (value != 0);
+   srcs[s].indirect[dim] = value ? p : -1;
    return true;
 }
 
@@ -714,14 +716,17 @@ Instruction::setPredicate(CondCode ccode, Value *value)
 
    if (!value) {
       if (predSrc >= 0) {
-         src[predSrc] = 0;
+         srcs[predSrc].set(NULL);
          predSrc = -1;
       }
       return true;
    }
 
-   if (predSrc < 0)
-      predSrc = src.size();
+   if (predSrc < 0) {
+      predSrc = srcs.size();
+      while (predSrc > 0 && !srcExists(predSrc - 1))
+         --predSrc;
+   }
 
    setSrc(predSrc, value);
    return true;
diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir.h b/src/gallium/drivers/nv50/codegen/nv50_ir.h
index ddd066df7f8..32511f64e88 100644
--- a/src/gallium/drivers/nv50/codegen/nv50_ir.h
+++ b/src/gallium/drivers/nv50/codegen/nv50_ir.h
@@ -385,8 +385,6 @@ public:
    ValueRef(const ValueRef&);
    ~ValueRef();
 
-   inline ValueRef& operator=(Value *val) { this->set(val); return *this; }
-
    inline bool exists() const { return value != NULL; }
 
    void set(Value *);
@@ -408,7 +406,7 @@ public:
 
 public:
    Modifier mod;
-   int8_t indirect[2]; // >= 0 if relative to lvalue in insn->src[indirect[i]]
+   int8_t indirect[2]; // >= 0 if relative to lvalue in insn->src(indirect[i])
    uint8_t swizzle;
 
    bool usedAsPtr; // for printing
@@ -425,8 +423,6 @@ public:
    ValueDef(const ValueDef&);
    ~ValueDef();
 
-   inline ValueDef& operator=(Value *val) { this->set(val); return *this; }
-
    inline bool exists() const { return value != NULL; }
 
    inline Value *get() const { return value; }
@@ -461,6 +457,8 @@ public:
    virtual bool equals(const Value *, bool strict = false) const;
    virtual bool interfers(const Value *) const;
 
+   inline Value *rep() const { return join; }
+
    inline Instruction *getUniqueInsn() const;
    inline Instruction *getInsn() const; // use when uniqueness is certain
 
@@ -584,17 +582,22 @@ public:
    void swapSources(int a, int b);
    bool setIndirect(int s, int dim, Value *);
 
-   inline Value *getDef(int d) const { return def[d].get(); }
-   inline Value *getSrc(int s) const { return src[s].get(); }
+   inline ValueRef& src(int s) { return srcs[s]; }
+   inline ValueDef& def(int s) { return defs[s]; }
+   inline const ValueRef& src(int s) const { return srcs[s]; }
+   inline const ValueDef& def(int s) const { return defs[s]; }
+
+   inline Value *getDef(int d) const { return defs[d].get(); }
+   inline Value *getSrc(int s) const { return srcs[s].get(); }
    inline Value *getIndirect(int s, int dim) const;
 
    inline bool defExists(unsigned d) const
    {
-      return d < def.size() && def[d].exists();
+      return d < defs.size() && defs[d].exists();
    }
    inline bool srcExists(unsigned s) const
    {
-      return s < src.size() && src[s].exists();
+      return s < srcs.size() && srcs[s].exists();
    }
 
    inline bool constrainedDefs() const { return defExists(1); }
@@ -606,7 +609,9 @@ public:
    inline void setFlagsSrc(int s, Value *);
    inline void setFlagsDef(int d, Value *);
 
+   unsigned int defCount() const { return defs.size(); };
    unsigned int defCount(unsigned int mask) const;
+   unsigned int srcCount() const { return srcs.size(); };
    unsigned int srcCount(unsigned int mask) const;
 
    // save & remove / set indirect[0,1] and predicate source
@@ -671,11 +676,12 @@ public:
    int8_t flagsDef;
    int8_t flagsSrc;
 
-   std::deque<ValueDef> def; // no gaps !
-   std::deque<ValueRef> src; // no gaps !
-
    BasicBlock *bb;
 
+protected:
+   std::deque<ValueDef> defs; // no gaps !
+   std::deque<ValueRef> srcs; // no gaps !
+
    // instruction specific methods:
    // (don't want to subclass, would need more constructors and memory pools)
 public:
diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nv50/codegen/nv50_ir_from_tgsi.cpp
index 8889b492946..5b2ee690454 100644
--- a/src/gallium/drivers/nv50/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nv50/codegen/nv50_ir_from_tgsi.cpp
@@ -1553,8 +1553,8 @@ Converter::handleTEX(Value *dst[4], int R, int S, int L, int C, int Dx, int Dy)
 
    if (texi->op == OP_TXD) {
       for (c = 0; c < tgt.getDim(); ++c) {
-         texi->dPdx[c] = fetchSrc(Dx >> 4, (Dx & 3) + c);
-         texi->dPdy[c] = fetchSrc(Dy >> 4, (Dy & 3) + c);
+         texi->dPdx[c].set(fetchSrc(Dx >> 4, (Dx & 3) + c));
+         texi->dPdy[c].set(fetchSrc(Dy >> 4, (Dy & 3) + c));
       }
    }
 
diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir_inlines.h b/src/gallium/drivers/nv50/codegen/nv50_ir_inlines.h
index d511c93232a..713653175fd 100644
--- a/src/gallium/drivers/nv50/codegen/nv50_ir_inlines.h
+++ b/src/gallium/drivers/nv50/codegen/nv50_ir_inlines.h
@@ -115,7 +115,7 @@ static inline bool isSignedType(DataType ty)
 
 const ValueRef *ValueRef::getIndirect(int dim) const
 {
-   return isIndirect(dim) ? &insn->src[indirect[dim]] : NULL;
+   return isIndirect(dim) ? &insn->src(indirect[dim]) : NULL;
 }
 
 DataFile ValueRef::getFile() const
@@ -194,7 +194,7 @@ Instruction *Value::getUniqueInsn() const
 
 Value *Instruction::getIndirect(int s, int dim) const
 {
-   return src[s].isIndirect(dim) ? getSrc(src[s].indirect[dim]) : NULL;
+   return srcs[s].isIndirect(dim) ? getSrc(srcs[s].indirect[dim]) : NULL;
 }
 
 Value *Instruction::getPredicate() const
diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nv50/codegen/nv50_ir_peephole.cpp
index 046f04bbf35..93ba4c5b6ae 100644
--- a/src/gallium/drivers/nv50/codegen/nv50_ir_peephole.cpp
+++ b/src/gallium/drivers/nv50/codegen/nv50_ir_peephole.cpp
@@ -40,18 +40,18 @@ Instruction::isNop() const
    if (!fixed && op == OP_NOP)
       return true;
 
-   if (defExists(0) && def[0].rep()->reg.data.id < 0) {
+   if (defExists(0) && def(0).rep()->reg.data.id < 0) {
       for (int d = 1; defExists(d); ++d)
-         if (def[d].rep()->reg.data.id >= 0)
+         if (def(d).rep()->reg.data.id >= 0)
             WARN("part of vector result is unused !\n");
       return true;
    }
 
    if (op == OP_MOV || op == OP_UNION) {
-      if (!def[0].rep()->equals(getSrc(0)))
+      if (!def(0).rep()->equals(getSrc(0)))
          return false;
       if (op == OP_UNION)
-         if (!def[0].rep()->equals(getSrc(1)))
+         if (!def(0).rep()->equals(getSrc(1)))
             return false;
       return true;
    }
@@ -100,7 +100,7 @@ CopyPropagation::visit(BasicBlock *bb)
       si = mov->getSrc(0)->getInsn();
       if (mov->getDef(0)->reg.data.id < 0 && si && si->op != OP_PHI) {
          // propagate
-         mov->def[0].replace(mov->getSrc(0), false);
+         mov->def(0).replace(mov->getSrc(0), false);
          delete_Instruction(prog, mov);
       }
    }
@@ -123,7 +123,7 @@ private:
 bool
 LoadPropagation::isCSpaceLoad(Instruction *ld)
 {
-   return ld && ld->op == OP_LOAD && ld->src[0].getFile() == FILE_MEMORY_CONST;
+   return ld && ld->op == OP_LOAD && ld->src(0).getFile() == FILE_MEMORY_CONST;
 }
 
 bool
@@ -131,7 +131,7 @@ LoadPropagation::isImmd32Load(Instruction *ld)
 {
    if (!ld || (ld->op != OP_MOV) || (typeSizeof(ld->dType) != 4))
       return false;
-   return ld->src[0].getFile() == FILE_IMMEDIATE;
+   return ld->src(0).getFile() == FILE_IMMEDIATE;
 }
 
 void
@@ -140,7 +140,7 @@ LoadPropagation::checkSwapSrc01(Instruction *insn)
    if (!prog->getTarget()->getOpInfo(insn).commutative)
       if (insn->op != OP_SET && insn->op != OP_SLCT)
          return;
-   if (insn->src[1].getFile() != FILE_GPR)
+   if (insn->src(1).getFile() != FILE_GPR)
       return;
 
    Instruction *i0 = insn->getSrc(0)->getInsn();
@@ -190,7 +190,7 @@ LoadPropagation::visit(BasicBlock *bb)
 
          // propagate !
          i->setSrc(s, ld->getSrc(0));
-         if (ld->src[0].isIndirect(0))
+         if (ld->src(0).isIndirect(0))
             i->setIndirect(s, 0, ld->getIndirect(0, 0));
 
          if (ld->getDef(0)->refCount() == 0)
@@ -249,8 +249,8 @@ ConstantFolding::visit(BasicBlock *bb)
       if (i->op == OP_MOV) // continue early, MOV appears frequently
          continue;
 
-      ImmediateValue *src0 = i->srcExists(0) ? i->src[0].getImmediate() : NULL;
-      ImmediateValue *src1 = i->srcExists(1) ? i->src[1].getImmediate() : NULL;
+      ImmediateValue *src0 = i->srcExists(0) ? i->src(0).getImmediate() : NULL;
+      ImmediateValue *src1 = i->srcExists(1) ? i->src(1).getImmediate() : NULL;
 
       if (src0 && src1)
          expr(i, src0, src1);
@@ -372,8 +372,8 @@ ConstantFolding::expr(Instruction *i,
    struct Storage res;
    struct Storage *const a = &imm0.reg, *const b = &imm1.reg;
 
-   i->src[0].mod.applyTo(imm0);
-   i->src[1].mod.applyTo(imm1);
+   i->src(0).mod.applyTo(imm0);
+   i->src(1).mod.applyTo(imm1);
 
    switch (i->op) {
    case OP_MAD:
@@ -474,8 +474,8 @@ ConstantFolding::expr(Instruction *i,
    }
    ++foldCount;
 
-   i->src[0].mod = Modifier(0);
-   i->src[1].mod = Modifier(0);
+   i->src(0).mod = Modifier(0);
+   i->src(1).mod = Modifier(0);
 
    i->setSrc(0, new_ImmediateValue(i->bb->getProgram(), res.data.u32));
    i->setSrc(1, NULL);
@@ -486,12 +486,11 @@ ConstantFolding::expr(Instruction *i,
       i->op = OP_ADD;
 
       i->setSrc(1, i->getSrc(0));
+      i->src(1).mod = i->src(2).mod;
       i->setSrc(0, i->getSrc(2));
       i->setSrc(2, NULL);
 
-      i->src[1].mod = i->src[2].mod;
-
-      src0 = i->src[0].getImmediate();
+      src0 = i->src(0).getImmediate();
       if (src0)
          expr(i, src0, i->getSrc(1)->asImm());
    } else {
@@ -526,7 +525,7 @@ ConstantFolding::unary(Instruction *i, const ImmediateValue &imm)
    }
    i->op = OP_MOV;
    i->setSrc(0, new_ImmediateValue(i->bb->getProgram(), res.data.f32));
-   i->src[0].mod = Modifier(0);
+   i->src(0).mod = Modifier(0);
 }
 
 void
@@ -547,28 +546,28 @@ ConstantFolding::tryCollapseChainedMULs(Instruction *mul2,
          mul1 = insn;
       if (mul1) {
          int s1 = 0;
-         ImmediateValue *imm = mul1->src[s1].getImmediate();
+         ImmediateValue *imm = mul1->src(s1).getImmediate();
          if (!imm) {
             s1 = 1;
-            imm = mul1->src[s1].getImmediate();
+            imm = mul1->src(s1).getImmediate();
          }
          if (imm) {
             bld.setPosition(mul1, false);
             // a = mul r, imm1
             // d = mul a, imm2 -> d = mul r, (imm1 * imm2)
-            ImmediateValue imm1(mul1->src[s1].getImmediate(), TYPE_F32);
-            mul1->src[s1].mod.applyTo(imm1);
-            mul1->src[s1].mod = Modifier(0);
+            ImmediateValue imm1(mul1->src(s1).getImmediate(), TYPE_F32);
+            mul1->src(s1).mod.applyTo(imm1);
+            mul1->src(s1).mod = Modifier(0);
             mul1->setSrc(s1, bld.loadImm(NULL, f * imm1.reg.data.f32));
-            mul2->def[0].replace(mul1->getDef(0), false);
+            mul2->def(0).replace(mul1->getDef(0), false);
          } else
          if (prog->getTarget()->isPostMultiplySupported(OP_MUL, f, e)) {
             // c = mul a, b
             // d = mul c, imm   -> d = mul_x_imm a, b
             mul1->postFactor = e;
-            mul2->def[0].replace(mul1->getDef(0), false);
+            mul2->def(0).replace(mul1->getDef(0), false);
             if (f < 0)
-               mul1->src[0].mod = mul1->src[0].mod ^ Modifier(NV50_IR_MOD_NEG);
+               mul1->src(0).mod = mul1->src(0).mod ^ Modifier(NV50_IR_MOD_NEG);
          }
          return;
       }
@@ -585,13 +584,13 @@ ConstantFolding::tryCollapseChainedMULs(Instruction *mul2,
       s2 = insn->getSrc(0) == mul1->getDef(0) ? 0 : 1;
       t2 = s2 ? 0 : 1;
       if (insn->op == OP_MUL && insn->dType == TYPE_F32)
-         if (!insn->src[t2].getImmediate())
+         if (!insn->src(t2).getImmediate())
             mul2 = insn;
       if (mul2 && prog->getTarget()->isPostMultiplySupported(OP_MUL, f, e)) {
          mul2->postFactor = e;
-         mul2->setSrc(s2, mul1->src[t]);
+         mul2->setSrc(s2, mul1->src(t));
          if (f < 0)
-            mul2->src[s2].mod = mul2->src[s2].mod ^ Modifier(NV50_IR_MOD_NEG);
+            mul2->src(s2).mod = mul2->src(s2).mod ^ Modifier(NV50_IR_MOD_NEG);
       }
    }
 }
@@ -604,7 +603,7 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue *src, int s)
 
    ImmediateValue imm(src, i->sType);
 
-   i->src[s].mod.applyTo(imm);
+   i->src(s).mod.applyTo(imm);
 
    switch (i->op) {
    case OP_MUL:
@@ -618,23 +617,23 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue *src, int s)
       } else
       if (imm.isInteger(1) || imm.isInteger(-1)) {
          if (imm.isNegative())
-            i->src[t].mod = i->src[t].mod ^ Modifier(NV50_IR_MOD_NEG);
-         i->op = i->src[t].mod.getOp();
+            i->src(t).mod = i->src(t).mod ^ Modifier(NV50_IR_MOD_NEG);
+         i->op = i->src(t).mod.getOp();
          if (s == 0) {
             i->setSrc(0, i->getSrc(1));
-            i->src[0].mod = i->src[1].mod;
-            i->src[1].mod = 0;
+            i->src(0).mod = i->src(1).mod;
+            i->src(1).mod = 0;
          }
          if (i->op != OP_CVT)
-            i->src[0].mod = 0;
+            i->src(0).mod = 0;
          i->setSrc(1, NULL);
       } else
       if (imm.isInteger(2) || imm.isInteger(-2)) {
          if (imm.isNegative())
-            i->src[t].mod = i->src[t].mod ^ Modifier(NV50_IR_MOD_NEG);
+            i->src(t).mod = i->src(t).mod ^ Modifier(NV50_IR_MOD_NEG);
          i->op = OP_ADD;
          i->setSrc(s, i->getSrc(t));
-         i->src[s].mod = i->src[t].mod;
+         i->src(s).mod = i->src(t).mod;
       } else
       if (!isFloatType(i->sType) && !imm.isNegative() && imm.isPow2()) {
          i->op = OP_SHL;
@@ -646,12 +645,12 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue *src, int s)
       if (imm.isInteger(0)) {
          if (s == 0) {
             i->setSrc(0, i->getSrc(1));
-            i->src[0].mod = i->src[1].mod;
+            i->src(0).mod = i->src(1).mod;
          }
          i->setSrc(1, NULL);
-         i->op = i->src[0].mod.getOp();
+         i->op = i->src(0).mod.getOp();
          if (i->op != OP_CVT)
-            i->src[0].mod = Modifier(0);
+            i->src(0).mod = Modifier(0);
       }
       break;
 
@@ -747,7 +746,7 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue *src, int s)
    {
       CmpInstruction *si = findOriginForTestWithZero(i->getSrc(t));
       CondCode cc, ccZ;
-      if (i->src[t].mod != Modifier(0))
+      if (i->src(t).mod != Modifier(0))
          return;
       if (imm.reg.data.u32 != 0 || !si || si->op != OP_SET)
          return;
@@ -766,22 +765,22 @@ ConstantFolding::opnd(Instruction *i, ImmediateValue *src, int s)
          return;
       }
       i->asCmp()->setCond = cc;
-      i->setSrc(0, si->src[0]);
-      i->setSrc(1, si->src[1]);
+      i->setSrc(0, si->src(0));
+      i->setSrc(1, si->src(1));
       i->sType = si->sType;
    }
       break;
 
    case OP_SHL:
    {
-      if (s != 1 || i->src[0].mod != Modifier(0))
+      if (s != 1 || i->src(0).mod != Modifier(0))
          break;
       // try to concatenate shifts
       Instruction *si = i->getSrc(0)->getInsn();
       if (!si ||
-          si->op != OP_SHL || si->src[1].mod != Modifier(0))
+          si->op != OP_SHL || si->src(1).mod != Modifier(0))
          break;
-      ImmediateValue *siImm = si->src[1].getImmediate();
+      ImmediateValue *siImm = si->src(1).getImmediate();
       if (siImm) {
          bld.setPosition(i, false);
          i->setSrc(0, si->getSrc(0));
@@ -834,7 +833,7 @@ ModifierFolding::visit(BasicBlock *bb)
       if (0 && i->op == OP_SUB) {
          // turn "sub" into "add neg" (do we really want this ?)
          i->op = OP_ADD;
-         i->src[0].mod = i->src[0].mod ^ Modifier(NV50_IR_MOD_NEG);
+         i->src(0).mod = i->src(0).mod ^ Modifier(NV50_IR_MOD_NEG);
       }
 
       for (int s = 0; s < 3 && i->srcExists(s); ++s) {
@@ -854,9 +853,9 @@ ModifierFolding::visit(BasicBlock *bb)
          }
          if ((mod = Modifier(mi->op)) == Modifier(0))
             continue;
-         mod = mod * mi->src[0].mod;
+         mod = mod * mi->src(0).mod;
 
-         if ((i->op == OP_ABS) || i->src[s].mod.abs()) {
+         if ((i->op == OP_ABS) || i->src(s).mod.abs()) {
             // abs neg [abs] = abs
             mod = mod & Modifier(~(NV50_IR_MOD_NEG | NV50_IR_MOD_ABS));
          } else
@@ -873,7 +872,7 @@ ModifierFolding::visit(BasicBlock *bb)
 
          if (target->isModSupported(i, s, mod)) {
             i->setSrc(s, mi->getSrc(0));
-            i->src[s].mod = i->src[s].mod * mod;
+            i->src(s).mod = i->src(s).mod * mod;
          }
       }
 
@@ -945,10 +944,10 @@ AlgebraicOpt::handleADD(Instruction *add)
    if (src->getInsn()->postFactor)
       return;
 
-   mod[0] = add->src[0].mod;
-   mod[1] = add->src[1].mod;
-   mod[2] = src->getUniqueInsn()->src[0].mod;
-   mod[3] = src->getUniqueInsn()->src[1].mod;
+   mod[0] = add->src(0).mod;
+   mod[1] = add->src(1).mod;
+   mod[2] = src->getUniqueInsn()->src(0).mod;
+   mod[3] = src->getUniqueInsn()->src(1).mod;
 
    if (((mod[0] | mod[1]) | (mod[2] | mod[3])) & Modifier(~NV50_IR_MOD_NEG))
       return;
@@ -956,12 +955,12 @@ AlgebraicOpt::handleADD(Instruction *add)
    add->op = OP_MAD;
    add->subOp = src->getInsn()->subOp; // potentially mul-high
 
-   add->setSrc(2, add->src[s ? 0 : 1]);
+   add->setSrc(2, add->src(s ? 0 : 1));
 
    add->setSrc(0, src->getInsn()->getSrc(0));
-   add->src[0].mod = mod[2] ^ mod[s];
+   add->src(0).mod = mod[2] ^ mod[s];
    add->setSrc(1, src->getInsn()->getSrc(1));
-   add->src[1].mod = mod[3];
+   add->src(1).mod = mod[3];
 }
 
 void
@@ -972,12 +971,12 @@ AlgebraicOpt::handleMINMAX(Instruction *minmax)
 
    if (src0 != src1 || src0->reg.file != FILE_GPR)
       return;
-   if (minmax->src[0].mod == minmax->src[1].mod) {
-      if (minmax->src[0].mod) {
+   if (minmax->src(0).mod == minmax->src(1).mod) {
+      if (minmax->src(0).mod) {
          minmax->op = OP_CVT;
          minmax->setSrc(1, NULL);
       } else {
-         minmax->def[0].replace(minmax->getSrc(0), false);
+         minmax->def(0).replace(minmax->getSrc(0), false);
          minmax->bb->remove(minmax);
       }
    } else {
@@ -997,7 +996,7 @@ AlgebraicOpt::handleRCP(Instruction *rcp)
    Instruction *si = rcp->getSrc(0)->getUniqueInsn();
 
    if (si && si->op == OP_RCP) {
-      Modifier mod = rcp->src[0].mod * si->src[0].mod;
+      Modifier mod = rcp->src(0).mod * si->src(0).mod;
       rcp->op = mod.getOp();
       rcp->setSrc(0, si->getSrc(0));
    }
@@ -1028,11 +1027,11 @@ AlgebraicOpt::handleLOGOP(Instruction *logop)
       return;
 
    if (src0 == src1) {
-      if (logop->src[0].mod != Modifier(0) ||
-          logop->src[1].mod != Modifier(0))
+      if (logop->src(0).mod != Modifier(0) ||
+          logop->src(1).mod != Modifier(0))
          return;
       if (logop->op == OP_AND || logop->op == OP_OR) {
-         logop->def[0].replace(logop->getSrc(0), false);
+         logop->def(0).replace(logop->getSrc(0), false);
          delete_Instruction(prog, logop);
       }
    } else {
@@ -1092,12 +1091,12 @@ void
 AlgebraicOpt::handleCVT(Instruction *cvt)
 {
    if (cvt->sType != TYPE_F32 ||
-       cvt->dType != TYPE_S32 || cvt->src[0].mod != Modifier(0))
+       cvt->dType != TYPE_S32 || cvt->src(0).mod != Modifier(0))
       return;
    Instruction *insn = cvt->getSrc(0)->getInsn();
    if (!insn || insn->op != OP_NEG || insn->dType != TYPE_F32)
       return;
-   if (insn->src[0].mod != Modifier(0))
+   if (insn->src(0).mod != Modifier(0))
       return;
    insn = insn->getSrc(0)->getInsn();
    if (!insn || insn->op != OP_SET || insn->dType != TYPE_F32)
@@ -1386,8 +1385,8 @@ MemoryOpt::Record **
 MemoryOpt::getList(const Instruction *insn)
 {
    if (insn->op == OP_LOAD || insn->op == OP_VFETCH)
-      return &loads[insn->src[0].getFile()];
-   return &stores[insn->src[0].getFile()];
+      return &loads[insn->src(0).getFile()];
+   return &stores[insn->src(0).getFile()];
 }
 
 void
@@ -1458,7 +1457,7 @@ MemoryOpt::replaceLdFromSt(Instruction *ld, Record *rec)
          return false;
       if (st->getSrc(s)->reg.file != FILE_GPR)
          return false;
-      ld->def[d].replace(st->getSrc(s), false);
+      ld->def(d).replace(st->getSrc(s), false);
    }
    ld->bb->remove(ld);
    return true;
@@ -1481,7 +1480,7 @@ MemoryOpt::replaceLdFromLd(Instruction *ldE, Record *rec)
    for (dE = 0; ldE->defExists(dE) && ldR->defExists(dR); ++dE, ++dR) {
       if (ldE->getDef(dE)->reg.size != ldR->getDef(dR)->reg.size)
          return false;
-      ldE->def[dE].replace(ldR->getDef(dR), false);
+      ldE->def(dE).replace(ldR->getDef(dR), false);
    }
 
    delete_Instruction(prog, ldE);
@@ -1567,7 +1566,7 @@ MemoryOpt::Record::overlaps(const Instruction *ldst) const
 void
 MemoryOpt::lockStores(Instruction *const ld)
 {
-   for (Record *r = stores[ld->src[0].getFile()]; r; r = r->next)
+   for (Record *r = stores[ld->src(0).getFile()]; r; r = r->next)
       if (!r->locked && r->overlaps(ld))
          r->locked = true;
 }
@@ -1579,7 +1578,7 @@ void
 MemoryOpt::purgeRecords(Instruction *const st, DataFile f)
 {
    if (st)
-      f = st->src[0].getFile();
+      f = st->src(0).getFile();
 
    for (Record *r = loads[f]; r; r = r->next)
       if (!st || r->overlaps(st))
@@ -1639,7 +1638,7 @@ MemoryOpt::runOpt(BasicBlock *bb)
          continue;
 
       if (isLoad) {
-         DataFile file = ldst->src[0].getFile();
+         DataFile file = ldst->src(0).getFile();
 
          // if ld l[]/g[] look for previous store to eliminate the reload
          if (file == FILE_MEMORY_GLOBAL || file == FILE_MEMORY_LOCAL) {
@@ -1712,11 +1711,11 @@ FlatteningPass::isConstantCondition(Value *pred)
       if (ld) {
          if (ld->op != OP_MOV && ld->op != OP_LOAD)
             return false;
-         if (ld->src[0].isIndirect(0))
+         if (ld->src(0).isIndirect(0))
             return false;
-         file = ld->src[0].getFile();
+         file = ld->src(0).getFile();
       } else {
-         file = insn->src[s].getFile();
+         file = insn->src(s).getFile();
          // catch $r63 on NVC0
          if (file == FILE_GPR && insn->getSrc(s)->reg.data.id > prog->maxGPR)
             file = FILE_IMMEDIATE;
@@ -1991,7 +1990,7 @@ Instruction::isResultEqual(const Instruction *that) const
    for (s = 0; this->srcExists(s); ++s) {
       if (!that->srcExists(s))
          return false;
-      if (this->src[s].mod != that->src[s].mod)
+      if (this->src(s).mod != that->src(s).mod)
          return false;
       if (!this->getSrc(s)->equals(that->getSrc(s), true))
          return false;
@@ -2000,7 +1999,7 @@ Instruction::isResultEqual(const Instruction *that) const
       return false;
 
    if (op == OP_LOAD || op == OP_VFETCH) {
-      switch (src[0].getFile()) {
+      switch (src(0).getFile()) {
       case FILE_MEMORY_CONST:
       case FILE_SHADER_INPUT:
          return true;
@@ -2052,7 +2051,7 @@ LocalCSE::tryReplace(Instruction **ptr, Instruction *i)
    if (!old->isResultEqual(i))
       return false;
    for (int d = 0; old->defExists(d); ++d)
-      old->def[d].replace(i->getDef(d), false);
+      old->def(d).replace(i->getDef(d), false);
    delete_Instruction(prog, old);
    *ptr = NULL;
    return true;
diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir_print.cpp b/src/gallium/drivers/nv50/codegen/nv50_ir_print.cpp
index 904b9c0ca69..acb5be58801 100644
--- a/src/gallium/drivers/nv50/codegen/nv50_ir_print.cpp
+++ b/src/gallium/drivers/nv50/codegen/nv50_ir_print.cpp
@@ -418,7 +418,7 @@ void Instruction::print() const
       }
       if (pos > pre + 1)
          SPACE();
-      pos += src[predSrc].get()->print(&buf[pos], BUFSZ - pos);
+      pos += getSrc(predSrc)->print(&buf[pos], BUFSZ - pos);
       PRINT(" %s", colour[TXT_INSN]);
    }
 
@@ -455,7 +455,7 @@ void Instruction::print() const
       PRINT(" {");
    for (d = 0; defExists(d); ++d) {
       SPACE();
-      pos += def[d].get()->print(&buf[pos], size - pos);
+      pos += getDef(d)->print(&buf[pos], size - pos);
    }
    if (d > 1)
       PRINT(" %s}", colour[TXT_INSN]);
@@ -470,19 +470,19 @@ void Instruction::print() const
       PRINT(" %s%s", colour[TXT_INSN], DataTypeStr[sType]);
 
    for (s = 0; srcExists(s); ++s) {
-      if (s == predSrc || src[s].usedAsPtr)
+      if (s == predSrc || src(s).usedAsPtr)
          continue;
       const size_t pre = pos;
       SPACE();
-      pos += src[s].mod.print(&buf[pos], BUFSZ - pos);
+      pos += src(s).mod.print(&buf[pos], BUFSZ - pos);
       if (pos > pre + 1)
          SPACE();
-      if (src[s].isIndirect(0) || src[s].isIndirect(1))
-         pos += src[s].get()->asSym()->print(&buf[pos], BUFSZ - pos,
-                                             getIndirect(s, 0),
-                                             getIndirect(s, 1));
+      if (src(s).isIndirect(0) || src(s).isIndirect(1))
+         pos += getSrc(s)->asSym()->print(&buf[pos], BUFSZ - pos,
+                                          getIndirect(s, 0),
+                                          getIndirect(s, 1));
       else
-         pos += src[s].get()->print(&buf[pos], BUFSZ - pos, sType);
+         pos += getSrc(s)->print(&buf[pos], BUFSZ - pos, sType);
    }
 
    PRINT("%s", colour[TXT_DEFAULT]);
diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir_ra.cpp b/src/gallium/drivers/nv50/codegen/nv50_ir_ra.cpp
index 60ec4a3c089..43c29d5926a 100644
--- a/src/gallium/drivers/nv50/codegen/nv50_ir_ra.cpp
+++ b/src/gallium/drivers/nv50/codegen/nv50_ir_ra.cpp
@@ -322,7 +322,7 @@ RegAlloc::PhiMovesPass::visit(BasicBlock *bb)
       }
    }
 
-   // insert MOVs (phi->src[j] should stem from j-th in-BB)
+   // insert MOVs (phi->src(j) should stem from j-th in-BB)
    int j = 0;
    for (Graph::EdgeIterator ei = bb->cfg.incident(); !ei.end(); ei.next()) {
       pb = BasicBlock::get(ei.getNode());
@@ -443,7 +443,7 @@ RegAlloc::BuildIntervalsPass::visit(BasicBlock *bb)
          bb->liveSet.clr(i->getDef(0)->id);
 
          for (int s = 0; i->srcExists(s); ++s) {
-            assert(i->src[s].getInsn());
+            assert(i->src(s).getInsn());
             if (i->getSrc(s)->getUniqueInsn()->bb == bb) // XXX: reachableBy ?
                bb->liveSet.set(i->getSrc(s)->id);
             else
@@ -610,7 +610,7 @@ RegAlloc::allocateConstrainedValues()
       assert(vecSize <= 4);
 
       for (int c = 0; c < vecSize; ++c)
-         defs[c] = i->def[c].rep();
+         defs[c] = i->def(c).rep();
 
       if (defs[0]->reg.data.id >= 0) {
          for (int c = 1; c < vecSize; ++c) {
@@ -960,8 +960,8 @@ RegAlloc::InsertConstraintsPass::visit(BasicBlock *bb)
             addConstraint(i, 1, s - 1);
       } else
       if (i->op == OP_LOAD) {
-         if (i->src[0].isIndirect(0) && typeSizeof(i->dType) >= 8)
-            addHazard(i, i->src[0].getIndirect(0));
+         if (i->src(0).isIndirect(0) && typeSizeof(i->dType) >= 8)
+            addHazard(i, i->src(0).getIndirect(0));
       }
    }
    return true;
@@ -979,7 +979,7 @@ RegAlloc::InsertConstraintsPass::insertConstraintMoves()
          if (!detectConflict(cst, s))
              continue;
          Instruction *mov = new_Instruction(func, OP_MOV,
-                                            typeOfSize(cst->src[s].getSize()));
+                                            typeOfSize(cst->src(s).getSize()));
          mov->setSrc(0, cst->getSrc(s));
          mov->setDef(0, new_LValue(func, FILE_GPR));
          cst->setSrc(s, mov->getDef(0));
diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir_ssa.cpp b/src/gallium/drivers/nv50/codegen/nv50_ir_ssa.cpp
index 52902591d2a..b3a14865ab4 100644
--- a/src/gallium/drivers/nv50/codegen/nv50_ir_ssa.cpp
+++ b/src/gallium/drivers/nv50/codegen/nv50_ir_ssa.cpp
@@ -433,13 +433,13 @@ void RenamePass::search(BasicBlock *bb)
          }
       }
       for (d = 0; stmt->defExists(d); ++d) {
-         lval = stmt->def[d].get()->asLValue();
+         lval = stmt->def(d).get()->asLValue();
          assert(lval);
-         stmt->def[d].setSSA(
+         stmt->def(d).setSSA(
             new_LValue(func, targ->nativeFile(lval->reg.file)));
-         stmt->def[d].get()->reg.size = lval->reg.size;
-         stmt->def[d].get()->reg.data.id = lval->reg.data.id;
-         stack[lval->id].push(stmt->def[d].get());
+         stmt->def(d).get()->reg.size = lval->reg.size;
+         stmt->def(d).get()->reg.data.id = lval->reg.data.id;
+         stack[lval->id].push(stmt->def(d).get());
       }
    }
 
@@ -469,7 +469,7 @@ void RenamePass::search(BasicBlock *bb)
 
    for (Instruction *stmt = bb->getFirst(); stmt; stmt = stmt->next) {
       for (d = 0; stmt->defExists(d); ++d)
-         stack[stmt->def[d].preSSA()->id].pop();
+         stack[stmt->def(d).preSSA()->id].pop();
    }
 }
 
diff --git a/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp b/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp
index 7468733f699..692b5b84f0a 100644
--- a/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp
+++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp
@@ -113,11 +113,11 @@ private:
 
    inline void defId(const ValueDef&, const int pos);
    inline void srcId(const ValueRef&, const int pos);
+   inline void srcId(const ValueRef *, const int pos);
+   inline void srcId(const Instruction *, int s, const int pos);
 
    inline void srcAddr32(const ValueRef&, const int pos); // address / 4
 
-   inline void srcId(const ValueRef *, const int pos);
-
    inline bool isLIMM(const ValueRef&, DataType ty);
 };
 
@@ -137,6 +137,12 @@ void CodeEmitterNVC0::srcId(const ValueRef *src, const int pos)
    code[pos / 32] |= (src ? SDATA(*src).id : 63) << (pos % 32);
 }
 
+void CodeEmitterNVC0::srcId(const Instruction *insn, int s, int pos)
+{
+   int r = insn->srcExists(s) ? SDATA(insn->src(s)).id : 63;
+   code[pos / 32] |= r << (pos % 32);
+}
+
 void CodeEmitterNVC0::srcAddr32(const ValueRef& src, const int pos)
 {
    code[pos / 32] |= (SDATA(src).offset >> 2) << (pos % 32);
@@ -170,10 +176,10 @@ CodeEmitterNVC0::roundMode_A(const Instruction *insn)
 void
 CodeEmitterNVC0::emitNegAbs12(const Instruction *i)
 {
-   if (i->src[1].mod.abs()) code[0] |= 1 << 6;
-   if (i->src[0].mod.abs()) code[0] |= 1 << 7;
-   if (i->src[1].mod.neg()) code[0] |= 1 << 8;
-   if (i->src[0].mod.neg()) code[0] |= 1 << 9;
+   if (i->src(1).mod.abs()) code[0] |= 1 << 6;
+   if (i->src(0).mod.abs()) code[0] |= 1 << 7;
+   if (i->src(1).mod.neg()) code[0] |= 1 << 8;
+   if (i->src(0).mod.neg()) code[0] |= 1 << 9;
 }
 
 void CodeEmitterNVC0::emitCondCode(CondCode cc, int pos)
@@ -218,7 +224,7 @@ CodeEmitterNVC0::emitPredicate(const Instruction *i)
 {
    if (i->predSrc >= 0) {
       assert(i->getPredicate()->reg.file == FILE_PREDICATE);
-      srcId(i->src[i->predSrc], 10);
+      srcId(i->src(i->predSrc), 10);
       if (i->cc == CC_NOT_P)
          code[0] |= 0x2000; // negate
    } else {
@@ -240,7 +246,7 @@ CodeEmitterNVC0::setAddress16(const ValueRef& src)
 void
 CodeEmitterNVC0::setImmediate(const Instruction *i, const int s)
 {
-   const ImmediateValue *imm = i->src[s].get()->asImm();
+   const ImmediateValue *imm = i->src(s).get()->asImm();
    uint32_t u32;
 
    assert(imm);
@@ -287,7 +293,7 @@ CodeEmitterNVC0::emitForm_A(const Instruction *i, uint64_t opc)
 
    emitPredicate(i);
 
-   defId(i->def[0], 14);
+   defId(i->def(0), 14);
 
    int s1 = 26;
    if (i->srcExists(2) && i->getSrc(2)->reg.file == FILE_MEMORY_CONST)
@@ -299,7 +305,7 @@ CodeEmitterNVC0::emitForm_A(const Instruction *i, uint64_t opc)
          assert(!(code[1] & 0xc000));
          code[1] |= (s == 2) ? 0x8000 : 0x4000;
          code[1] |= i->getSrc(s)->reg.fileIndex << 10;
-         setAddress16(i->src[s]);
+         setAddress16(i->src(s));
          break;
       case FILE_IMMEDIATE:
          assert(s == 1 ||
@@ -310,7 +316,7 @@ CodeEmitterNVC0::emitForm_A(const Instruction *i, uint64_t opc)
       case FILE_GPR:
          if ((s == 2) && ((code[0] & 0x7) == 2)) // LIMM: 3rd src == dst
             break;
-         srcId(i->src[s], s ? ((s == 2) ? 49 : s1) : 20);
+         srcId(i->src(s), s ? ((s == 2) ? 49 : s1) : 20);
          break;
       default:
          // ignore here, can be predicate or flags, but must not be address
@@ -327,20 +333,20 @@ CodeEmitterNVC0::emitForm_B(const Instruction *i, uint64_t opc)
 
    emitPredicate(i);
 
-   defId(i->def[0], 14);
+   defId(i->def(0), 14);
 
-   switch (i->src[0].getFile()) {
+   switch (i->src(0).getFile()) {
    case FILE_MEMORY_CONST:
       assert(!(code[1] & 0xc000));
-      code[1] |= 0x4000 | (i->src[0].get()->reg.fileIndex << 10);
-      setAddress16(i->src[0]);
+      code[1] |= 0x4000 | (i->src(0).get()->reg.fileIndex << 10);
+      setAddress16(i->src(0));
       break;
    case FILE_IMMEDIATE:
       assert(!(code[1] & 0xc000));
       setImmediate(i, 0);
       break;
    case FILE_GPR:
-      srcId(i->src[0], 26);
+      srcId(i->src(0), 26);
       break;
    default:
       // ignore here, can be predicate or flags, but must not be address
@@ -357,17 +363,17 @@ CodeEmitterNVC0::emitForm_S(const Instruction *i, uint32_t opc, bool pred)
    if (opc == 0x0d || opc == 0x0e)
       ss2a = 2;
 
-   defId(i->def[0], 14);
-   srcId(i->src[0], 20);
+   defId(i->def(0), 14);
+   srcId(i->src(0), 20);
 
    assert(pred || (i->predSrc < 0));
    if (pred)
       emitPredicate(i);
 
    for (int s = 1; s < 3 && i->srcExists(s); ++s) {
-      if (i->src[s].get()->reg.file == FILE_MEMORY_CONST) {
+      if (i->src(s).get()->reg.file == FILE_MEMORY_CONST) {
          assert(!(code[0] & (0x300 >> ss2a)));
-         switch (i->src[s].get()->reg.fileIndex) {
+         switch (i->src(s).get()->reg.fileIndex) {
          case 0:  code[0] |= 0x100 >> ss2a; break;
          case 1:  code[0] |= 0x200 >> ss2a; break;
          case 16: code[0] |= 0x300 >> ss2a; break;
@@ -380,12 +386,12 @@ CodeEmitterNVC0::emitForm_S(const Instruction *i, uint32_t opc, bool pred)
          else
             code[0] |= i->getSrc(s)->reg.data.offset << 6;
       } else
-      if (i->src[s].getFile() == FILE_IMMEDIATE) {
+      if (i->src(s).getFile() == FILE_IMMEDIATE) {
          assert(s == 1);
-         setImmediateS8(i->src[s]);
+         setImmediateS8(i->src(s));
       } else
-      if (i->src[s].getFile() == FILE_GPR) {
-         srcId(i->src[s], (s == 1) ? 26 : 8);
+      if (i->src(s).getFile() == FILE_GPR) {
+         srcId(i->src(s), (s == 1) ? 26 : 8);
       }
    }
 }
@@ -420,15 +426,15 @@ CodeEmitterNVC0::emitNOP(const Instruction *i)
 void
 CodeEmitterNVC0::emitFMAD(const Instruction *i)
 {
-   bool neg1 = (i->src[0].mod ^ i->src[1].mod).neg();
+   bool neg1 = (i->src(0).mod ^ i->src(1).mod).neg();
 
    if (i->encSize == 8) {
-      if (isLIMM(i->src[1], TYPE_F32)) {
+      if (isLIMM(i->src(1), TYPE_F32)) {
          emitForm_A(i, HEX64(20000000, 00000002));
       } else {
          emitForm_A(i, HEX64(30000000, 00000000));
 
-         if (i->src[2].mod.neg())
+         if (i->src(2).mod.neg())
             code[0] |= 1 << 8;
       }
       roundMode_A(i);
@@ -441,8 +447,8 @@ CodeEmitterNVC0::emitFMAD(const Instruction *i)
       if (i->ftz)
          code[0] |= 1 << 6;
    } else {
-      assert(!i->saturate && !i->src[2].mod.neg());
-      emitForm_S(i, (i->src[2].getFile() == FILE_MEMORY_CONST) ? 0x2e : 0x0e,
+      assert(!i->saturate && !i->src(2).mod.neg());
+      emitForm_S(i, (i->src(2).getFile() == FILE_MEMORY_CONST) ? 0x2e : 0x0e,
                  false);
       if (neg1)
          code[0] |= 1 << 4;
@@ -452,12 +458,12 @@ CodeEmitterNVC0::emitFMAD(const Instruction *i)
 void
 CodeEmitterNVC0::emitFMUL(const Instruction *i)
 {
-   bool neg = (i->src[0].mod ^ i->src[1].mod).neg();
+   bool neg = (i->src(0).mod ^ i->src(1).mod).neg();
 
    assert(i->postFactor >= -3 && i->postFactor <= 3);
 
    if (i->encSize == 8) {
-      if (isLIMM(i->src[1], TYPE_F32)) {
+      if (isLIMM(i->src(1), TYPE_F32)) {
          assert(i->postFactor == 0); // constant folded, hopefully
          emitForm_A(i, HEX64(30000000, 00000002));
       } else {
@@ -487,7 +493,7 @@ void
 CodeEmitterNVC0::emitUMUL(const Instruction *i)
 {
    if (i->encSize == 8) {
-      if (i->src[1].getFile() == FILE_IMMEDIATE) {
+      if (i->src(1).getFile() == FILE_IMMEDIATE) {
          emitForm_A(i, HEX64(10000000, 00000002));
       } else {
          emitForm_A(i, HEX64(50000000, 00000003));
@@ -499,7 +505,7 @@ CodeEmitterNVC0::emitUMUL(const Instruction *i)
       if (i->dType == TYPE_S32)
          code[0] |= 1 << 7;
    } else {
-      emitForm_S(i, i->src[1].getFile() == FILE_IMMEDIATE ? 0xaa : 0x2a, true);
+      emitForm_S(i, i->src(1).getFile() == FILE_IMMEDIATE ? 0xaa : 0x2a, true);
 
       if (i->sType == TYPE_S32)
          code[0] |= 1 << 6;
@@ -510,16 +516,16 @@ void
 CodeEmitterNVC0::emitFADD(const Instruction *i)
 {
    if (i->encSize == 8) {
-      if (isLIMM(i->src[1], TYPE_F32)) {
+      if (isLIMM(i->src(1), TYPE_F32)) {
          assert(!i->saturate);
          emitForm_A(i, HEX64(28000000, 00000002));
 
-         code[0] |= i->src[0].mod.abs() << 7;
-         code[0] |= i->src[0].mod.neg() << 9;
+         code[0] |= i->src(0).mod.abs() << 7;
+         code[0] |= i->src(0).mod.neg() << 9;
 
-         if (i->src[1].mod.abs())
+         if (i->src(1).mod.abs())
             code[1] &= 0xfdffffff;
-         if ((i->op == OP_SUB) != static_cast<bool>(i->src[1].mod.neg()))
+         if ((i->op == OP_SUB) != static_cast<bool>(i->src(1).mod.neg()))
             code[1] ^= 0x02000000;
       } else {
          emitForm_A(i, HEX64(50000000, 00000000));
@@ -535,12 +541,12 @@ CodeEmitterNVC0::emitFADD(const Instruction *i)
          code[0] |= 1 << 5;
    } else {
       assert(!i->saturate && i->op != OP_SUB &&
-             !i->src[0].mod.abs() &&
-             !i->src[1].mod.neg() && !i->src[1].mod.abs());
+             !i->src(0).mod.abs() &&
+             !i->src(1).mod.neg() && !i->src(1).mod.abs());
 
       emitForm_S(i, 0x49, true);
 
-      if (i->src[0].mod.neg())
+      if (i->src(0).mod.neg())
          code[0] |= 1 << 7;
    }
 }
@@ -550,12 +556,12 @@ CodeEmitterNVC0::emitUADD(const Instruction *i)
 {
    uint32_t addOp = 0;
 
-   assert(!i->src[0].mod.abs() && !i->src[1].mod.abs());
-   assert(!i->src[0].mod.neg() || !i->src[1].mod.neg());
+   assert(!i->src(0).mod.abs() && !i->src(1).mod.abs());
+   assert(!i->src(0).mod.neg() || !i->src(1).mod.neg());
 
-   if (i->src[0].mod.neg())
+   if (i->src(0).mod.neg())
       addOp |= 0x200;
-   if (i->src[1].mod.neg())
+   if (i->src(1).mod.neg())
       addOp |= 0x100;
    if (i->op == OP_SUB) {
       addOp ^= 0x100;
@@ -563,13 +569,13 @@ CodeEmitterNVC0::emitUADD(const Instruction *i)
    }
 
    if (i->encSize == 8) {
-      if (isLIMM(i->src[1], TYPE_U32)) {
+      if (isLIMM(i->src(1), TYPE_U32)) {
          emitForm_A(i, HEX64(08000000, 00000002));
-         if (i->def[1].exists())
+         if (i->defExists(1))
             code[1] |= 1 << 26; // write carry
       } else {
          emitForm_A(i, HEX64(48000000, 00000003));
-         if (i->def[1].exists())
+         if (i->defExists(1))
             code[1] |= 1 << 16; // write carry
       }
       code[0] |= addOp;
@@ -581,7 +587,7 @@ CodeEmitterNVC0::emitUADD(const Instruction *i)
    } else {
       assert(!(addOp & 0x100));
       emitForm_S(i, (addOp >> 3) |
-                 ((i->src[1].getFile() == FILE_IMMEDIATE) ? 0xac : 0x2c), true);
+                 ((i->src(1).getFile() == FILE_IMMEDIATE) ? 0xac : 0x2c), true);
    }
 }
 
@@ -602,9 +608,9 @@ CodeEmitterNVC0::emitIMAD(const Instruction *i)
    if (i->flagsDef >= 0) code[1] |= 1 << 16;
    if (i->flagsSrc >= 0) code[1] |= 1 << 23;
 
-   if (i->src[2].mod.neg()) code[0] |= 0x10;
-   if (i->src[1].mod.neg() ^
-       i->src[0].mod.neg()) code[0] |= 0x20;
+   if (i->src(2).mod.neg()) code[0] |= 0x10;
+   if (i->src(1).mod.neg() ^
+       i->src(0).mod.neg()) code[0] |= 0x20;
 
    if (i->subOp == NV50_IR_SUBOP_MUL_HIGH)
       code[0] |= 1 << 6;
@@ -614,7 +620,7 @@ void
 CodeEmitterNVC0::emitNOT(Instruction *i)
 {
    assert(i->encSize == 8);
-   i->src[1].set(i->src[0]);
+   i->setSrc(1, i->src(0));
    emitForm_A(i, HEX64(68000000, 000001c3));
 }
 
@@ -622,27 +628,27 @@ void
 CodeEmitterNVC0::emitLogicOp(const Instruction *i, uint8_t subOp)
 {
    if (i->encSize == 8) {
-      if (isLIMM(i->src[1], TYPE_U32)) {
+      if (isLIMM(i->src(1), TYPE_U32)) {
          emitForm_A(i, HEX64(38000000, 00000002));
 
-         if (i->src[2].exists())
+         if (i->srcExists(2))
             code[1] |= 1 << 26;
       } else {
          emitForm_A(i, HEX64(68000000, 00000003));
 
-         if (i->src[2].exists())
+         if (i->srcExists(2))
             code[1] |= 1 << 16;
       }
       code[0] |= subOp << 6;
 
-      if (i->src[2].exists()) // carry
+      if (i->srcExists(2)) // carry
          code[0] |= 1 << 5;
 
-      if (i->src[0].mod & Modifier(NV50_IR_MOD_NOT)) code[0] |= 1 << 9;
-      if (i->src[1].mod & Modifier(NV50_IR_MOD_NOT)) code[0] |= 1 << 8;
+      if (i->src(0).mod & Modifier(NV50_IR_MOD_NOT)) code[0] |= 1 << 9;
+      if (i->src(1).mod & Modifier(NV50_IR_MOD_NOT)) code[0] |= 1 << 8;
    } else {
       emitForm_S(i, (subOp << 5) |
-                 ((i->src[1].getFile() == FILE_IMMEDIATE) ? 0x1d : 0x8d), true);
+                 ((i->src(1).getFile() == FILE_IMMEDIATE) ? 0x1d : 0x8d), true);
    }
 }
 
@@ -651,8 +657,8 @@ CodeEmitterNVC0::emitPOPC(const Instruction *i)
 {
    emitForm_A(i, HEX64(54000000, 00000004));
 
-   if (i->src[0].mod & Modifier(NV50_IR_MOD_NOT)) code[0] |= 1 << 9;
-   if (i->src[1].mod & Modifier(NV50_IR_MOD_NOT)) code[0] |= 1 << 8;
+   if (i->src(0).mod & Modifier(NV50_IR_MOD_NOT)) code[0] |= 1 << 9;
+   if (i->src(1).mod & Modifier(NV50_IR_MOD_NOT)) code[0] |= 1 << 8;
 }
 
 void
@@ -684,8 +690,8 @@ CodeEmitterNVC0::emitPreOp(const Instruction *i)
       if (i->op == OP_PREEX2)
          code[0] |= 0x20;
 
-      if (i->src[0].mod.abs()) code[0] |= 1 << 6;
-      if (i->src[0].mod.neg()) code[0] |= 1 << 8;
+      if (i->src(0).mod.abs()) code[0] |= 1 << 6;
+      if (i->src(0).mod.neg()) code[0] |= 1 << 8;
    } else {
       emitForm_S(i, i->op == OP_PREEX2 ? 0x74000008 : 0x70000008, true);
    }
@@ -700,20 +706,20 @@ CodeEmitterNVC0::emitSFnOp(const Instruction *i, uint8_t subOp)
 
       emitPredicate(i);
 
-      defId(i->def[0], 14);
-      srcId(i->src[0], 20);
+      defId(i->def(0), 14);
+      srcId(i->src(0), 20);
 
-      assert(i->src[0].getFile() == FILE_GPR);
+      assert(i->src(0).getFile() == FILE_GPR);
 
       if (i->saturate) code[0] |= 1 << 5;
 
-      if (i->src[0].mod.abs()) code[0] |= 1 << 7;
-      if (i->src[0].mod.neg()) code[0] |= 1 << 9;
+      if (i->src(0).mod.abs()) code[0] |= 1 << 7;
+      if (i->src(0).mod.neg()) code[0] |= 1 << 9;
    } else {
       emitForm_S(i, 0x80000008 | (subOp << 26), true);
 
-      assert(!i->src[0].mod.neg());
-      if (i->src[0].mod.abs()) code[0] |= 1 << 30;
+      assert(!i->src(0).mod.neg());
+      if (i->src(0).mod.abs()) code[0] |= 1 << 30;
    }
 }
 
@@ -783,8 +789,8 @@ CodeEmitterNVC0::emitCVT(Instruction *i)
    }
 
    const bool sat = (i->op == OP_SAT) || i->saturate;
-   const bool abs = (i->op == OP_ABS) || i->src[0].mod.abs();
-   const bool neg = (i->op == OP_NEG) || i->src[0].mod.neg();
+   const bool abs = (i->op == OP_ABS) || i->src(0).mod.abs();
+   const bool neg = (i->op == OP_NEG) || i->src(0).mod.neg();
 
    if (i->encSize == 8) {
       emitForm_B(i, HEX64(10000000, 00000004));
@@ -867,16 +873,16 @@ CodeEmitterNVC0::emitSET(const CmpInstruction *i)
    }
    emitForm_A(i, (static_cast<uint64_t>(hi) << 32) | lo);
 
-   if (i->def[0].getFile() == FILE_PREDICATE) {
+   if (i->def(0).getFile() == FILE_PREDICATE) {
       if (i->sType == TYPE_F32)
          code[1] += 0x10000000;
       else
          code[1] += 0x08000000;
 
       code[0] &= ~0xfc000;
-      defId(i->def[0], 17);
+      defId(i->def(0), 17);
       if (i->defExists(1))
-         defId(i->def[1], 14);
+         defId(i->def(1), 14);
       else
          code[0] |= 0x1c000;
    }
@@ -912,7 +918,7 @@ CodeEmitterNVC0::emitSLCT(const CmpInstruction *i)
 
    CondCode cc = i->setCond;
 
-   if (i->src[2].mod.neg())
+   if (i->src(2).mod.neg())
       cc = reverseCondCode(cc);
 
    emitCondCode(cc, 32 + 23);
@@ -925,7 +931,7 @@ void CodeEmitterNVC0::emitSELP(const Instruction *i)
 {
    emitForm_A(i, HEX64(20000000, 00000004));
 
-   if (i->cc == CC_NOT_P || i->src[2].mod & Modifier(NV50_IR_MOD_NOT))
+   if (i->cc == CC_NOT_P || i->src(2).mod & Modifier(NV50_IR_MOD_NOT))
       code[1] |= 1 << 20;
 }
 
@@ -940,8 +946,8 @@ void CodeEmitterNVC0::emitTEXCSAA(const TexInstruction *i)
    if (i->tex.liveOnly)
       code[0] |= 1 << 9;
 
-   defId(i->def[0], 14);
-   srcId(i->src[0], 20);
+   defId(i->def(0), 14);
+   srcId(i->src(0), 20);
 }
 
 void
@@ -977,8 +983,8 @@ CodeEmitterNVC0::emitTEX(const TexInstruction *i)
    if (i->tex.derivAll)
       code[1] |= 1 << 13;
 
-   defId(i->def[0], 14);
-   srcId(i->src[0], 20);
+   defId(i->def(0), 14);
+   srcId(i->src(0), 20);
 
    emitPredicate(i);
 
@@ -1004,7 +1010,8 @@ CodeEmitterNVC0::emitTEX(const TexInstruction *i)
    if (i->op == OP_TXD && i->tex.useOffsets)
       ++src1;
 
-   if (i->src[src1].getFile() == FILE_IMMEDIATE) { // lzero
+   if (i->srcExists(src1) && i->src(src1).getFile() == FILE_IMMEDIATE) {
+      // lzero
       if (i->op == OP_TXL)
          code[1] &= ~(1 << 26);
       else
@@ -1018,7 +1025,7 @@ CodeEmitterNVC0::emitTEX(const TexInstruction *i)
    if (i->tex.useOffsets) // in vecSrc0.w
       code[1] |= 1 << 22;
 
-   srcId(i->src[src1], 26);
+   srcId(i, src1, 26);
 }
 
 void
@@ -1046,9 +1053,9 @@ CodeEmitterNVC0::emitTXQ(const TexInstruction *i)
    if (i->tex.sIndirectSrc >= 0 || i->tex.rIndirectSrc >= 0)
       code[1] |= 1 << 18;
 
-   defId(i->def[0], 14);
-   srcId(i->src[0], 20);
-   srcId(i->src[1], 26);
+   defId(i->def(0), 14);
+   srcId(i->src(0), 20);
+   srcId(i->src(1), 26);
 
    emitPredicate(i);
 }
@@ -1059,9 +1066,9 @@ CodeEmitterNVC0::emitQUADOP(const Instruction *i, uint8_t qOp, uint8_t laneMask)
    code[0] = 0x00000000 | (laneMask << 6);
    code[1] = 0x48000000 | qOp;
 
-   defId(i->def[0], 14);
-   srcId(i->src[0], 20);
-   srcId(i->srcExists(1) ? i->src[1] : i->src[0], 26);
+   defId(i->def(0), 14);
+   srcId(i->src(0), 20);
+   srcId(i->srcExists(1) ? i->src(1) : i->src(0), 26);
 
    if (i->op == OP_QUADOP && progType != Program::TYPE_FRAGMENT)
       code[0] |= 1 << 9; // dall
@@ -1081,15 +1088,14 @@ CodeEmitterNVC0::emitFlow(const Instruction *i)
    switch (i->op) {
    case OP_BRA:
       code[1] = f->absolute ? 0x00000000 : 0x40000000;
-      if (i->src[0].getFile() == FILE_MEMORY_CONST ||
-          i->src[1].getFile() == FILE_MEMORY_CONST)
-         code[1] |= 0x4000;
+      if (i->srcExists(0) && i->src(0).getFile() == FILE_MEMORY_CONST)
+         code[0] |= 0x4000;
       mask = 3;
       break;
    case OP_CALL:
       code[1] = f->absolute ? 0x10000000 : 0x50000000;
-      if (i->src[0].getFile() == FILE_MEMORY_CONST)
-         code[1] |= 0x4000;
+      if (i->srcExists(0) && i->src(0).getFile() == FILE_MEMORY_CONST)
+         code[0] |= 0x4000;
       mask = 2;
       break;
 
@@ -1151,22 +1157,22 @@ CodeEmitterNVC0::emitFlow(const Instruction *i)
 void
 CodeEmitterNVC0::emitPFETCH(const Instruction *i)
 {
-   uint32_t prim = i->src[0].get()->reg.data.u32;
+   uint32_t prim = i->src(0).get()->reg.data.u32;
 
    code[0] = 0x00000006 | ((prim & 0x3f) << 26);
    code[1] = 0x00000000 | (prim >> 6);
 
    emitPredicate(i);
 
-   defId(i->def[0], 14);
-   srcId(i->src[1], 20);
+   defId(i->def(0), 14);
+   srcId(i->src(1), 20);
 }
 
 void
 CodeEmitterNVC0::emitVFETCH(const Instruction *i)
 {
    code[0] = 0x00000006;
-   code[1] = 0x06000000 | i->src[0].get()->reg.data.offset;
+   code[1] = 0x06000000 | i->src(0).get()->reg.data.offset;
 
    if (i->perPatch)
       code[0] |= 0x100;
@@ -1177,9 +1183,9 @@ CodeEmitterNVC0::emitVFETCH(const Instruction *i)
 
    code[0] |= (i->defCount(0xf) - 1) << 5;
 
-   defId(i->def[0], 14);
-   srcId(i->src[0].getIndirect(0), 20);
-   srcId(i->src[0].getIndirect(1), 26); // vertex address
+   defId(i->def(0), 14);
+   srcId(i->src(0).getIndirect(0), 20);
+   srcId(i->src(0).getIndirect(1), 26); // vertex address
 }
 
 void
@@ -1188,7 +1194,7 @@ CodeEmitterNVC0::emitEXPORT(const Instruction *i)
    unsigned int size = typeSizeof(i->dType);
 
    code[0] = 0x00000006 | ((size / 4 - 1) << 5);
-   code[1] = 0x0a000000 | i->src[0].get()->reg.data.offset;
+   code[1] = 0x0a000000 | i->src(0).get()->reg.data.offset;
 
    assert(!(code[1] & ((size == 12) ? 15 : (size - 1))));
 
@@ -1197,11 +1203,11 @@ CodeEmitterNVC0::emitEXPORT(const Instruction *i)
 
    emitPredicate(i);
 
-   assert(i->src[1].getFile() == FILE_GPR);
+   assert(i->src(1).getFile() == FILE_GPR);
 
-   srcId(i->src[0].getIndirect(0), 20);
-   srcId(i->src[0].getIndirect(1), 32 + 17); // vertex base address
-   srcId(i->src[1], 26);
+   srcId(i->src(0).getIndirect(0), 20);
+   srcId(i->src(0).getIndirect(1), 32 + 17); // vertex base address
+   srcId(i->src(1), 26);
 }
 
 void
@@ -1212,10 +1218,10 @@ CodeEmitterNVC0::emitOUT(const Instruction *i)
 
    emitPredicate(i);
 
-   defId(i->def[0], 14); // new secret address
-   srcId(i->src[0], 20); // old secret address, should be 0 initially
+   defId(i->def(0), 14); // new secret address
+   srcId(i->src(0), 20); // old secret address, should be 0 initially
 
-   assert(i->src[0].getFile() == FILE_GPR);
+   assert(i->src(0).getFile() == FILE_GPR);
 
    if (i->op == OP_EMIT)
       code[0] |= 1 << 5;
@@ -1223,11 +1229,11 @@ CodeEmitterNVC0::emitOUT(const Instruction *i)
       code[0] |= 1 << 6;
 
    // vertex stream
-   if (i->src[1].getFile() == FILE_IMMEDIATE) {
+   if (i->src(1).getFile() == FILE_IMMEDIATE) {
       code[1] |= 0xc000;
-      code[0] |= SDATA(i->src[1]).u32 << 26;
+      code[0] |= SDATA(i->src(1)).u32 << 26;
    } else {
-      srcId(i->src[1], 26);
+      srcId(i->src(1), 26);
    }
 }
 
@@ -1256,23 +1262,23 @@ CodeEmitterNVC0::emitINTERP(const Instruction *i)
          code[0] |= 1 << 5;
 
       if (i->op == OP_PINTERP)
-         srcId(i->src[1], 26);
+         srcId(i->src(1), 26);
       else
          code[0] |= 0x3f << 26;
 
-      srcId(i->src[0].getIndirect(0), 20);
+      srcId(i->src(0).getIndirect(0), 20);
    } else {
       assert(i->op == OP_PINTERP);
       code[0] = 0x00000009 | ((base & 0xc) << 6) | ((base >> 4) << 26);
-      srcId(i->src[1], 20);
+      srcId(i->src(1), 20);
    }
    emitInterpMode(i);
 
    emitPredicate(i);
-   defId(i->def[0], 14);
+   defId(i->def(0), 14);
 
    if (i->getSampleMode() == NV50_IR_INTERP_OFFSET)
-      srcId(i->src[i->op == OP_PINTERP ? 2 : 1], 17);
+      srcId(i->src(i->op == OP_PINTERP ? 2 : 1), 17);
    else
       code[1] |= 0x3f << 17;
 }
@@ -1350,7 +1356,7 @@ CodeEmitterNVC0::emitSTORE(const Instruction *i)
 {
    uint32_t opc;
 
-   switch (i->src[0].getFile()) {
+   switch (i->src(0).getFile()) {
    case FILE_MEMORY_GLOBAL: opc = 0x90000000; break;
    case FILE_MEMORY_LOCAL:  opc = 0xc8000000; break;
    case FILE_MEMORY_SHARED: opc = 0xc9000000; break;
@@ -1362,9 +1368,9 @@ CodeEmitterNVC0::emitSTORE(const Instruction *i)
    code[0] = 0x00000005;
    code[1] = opc;
 
-   setAddress16(i->src[0]);
-   srcId(i->src[1], 14);
-   srcId(i->src[0].getIndirect(0), 20);
+   setAddress16(i->src(0));
+   srcId(i->src(1), 14);
+   srcId(i->src(0).getIndirect(0), 20);
 
    emitPredicate(i);
 
@@ -1379,16 +1385,16 @@ CodeEmitterNVC0::emitLOAD(const Instruction *i)
 
    code[0] = 0x00000005;
 
-   switch (i->src[0].getFile()) {
+   switch (i->src(0).getFile()) {
    case FILE_MEMORY_GLOBAL: opc = 0x80000000; break;
    case FILE_MEMORY_LOCAL:  opc = 0xc0000000; break;
    case FILE_MEMORY_SHARED: opc = 0xc1000000; break;
    case FILE_MEMORY_CONST:
-      if (!i->src[0].isIndirect(0) && typeSizeof(i->dType) == 4) {
+      if (!i->src(0).isIndirect(0) && typeSizeof(i->dType) == 4) {
          emitMOV(i); // not sure if this is any better
          return;
       }
-      opc = 0x14000000 | (i->src[0].get()->reg.fileIndex << 10);
+      opc = 0x14000000 | (i->src(0).get()->reg.fileIndex << 10);
       code[0] = 0x00000006 | (i->subOp << 8);
       break;
    default:
@@ -1398,10 +1404,10 @@ CodeEmitterNVC0::emitLOAD(const Instruction *i)
    }
    code[1] = opc;
 
-   defId(i->def[0], 14);
+   defId(i->def(0), 14);
 
-   setAddress16(i->src[0]);
-   srcId(i->src[0].getIndirect(0), 20);
+   setAddress16(i->src(0));
+   srcId(i->src(0).getIndirect(0), 20);
 
    emitPredicate(i);
 
@@ -1435,8 +1441,8 @@ CodeEmitterNVC0::getSRegEncoding(const ValueRef& ref)
 void
 CodeEmitterNVC0::emitMOV(const Instruction *i)
 {
-   if (i->src[0].getFile() == FILE_SYSTEM_VALUE) {
-      uint8_t sr = getSRegEncoding(i->src[0]);
+   if (i->src(0).getFile() == FILE_SYSTEM_VALUE) {
+      uint8_t sr = getSRegEncoding(i->src(0));
 
       if (i->encSize == 8) {
          code[0] = 0x00000004 | (sr << 26);
@@ -1444,17 +1450,17 @@ CodeEmitterNVC0::emitMOV(const Instruction *i)
       } else {
          code[0] = 0x40000008 | (sr << 20);
       }
-      defId(i->def[0], 14);
+      defId(i->def(0), 14);
 
       emitPredicate(i);
    } else
    if (i->encSize == 8) {
       uint64_t opc;
 
-      if (i->src[0].getFile() == FILE_IMMEDIATE)
+      if (i->src(0).getFile() == FILE_IMMEDIATE)
          opc = HEX64(18000000, 000001e2);
       else
-      if (i->src[0].getFile() == FILE_PREDICATE)
+      if (i->src(0).getFile() == FILE_PREDICATE)
          opc = HEX64(080e0000, 1c000004);
       else
          opc = HEX64(28000000, 00000004);
@@ -1465,8 +1471,8 @@ CodeEmitterNVC0::emitMOV(const Instruction *i)
    } else {
       uint32_t imm;
 
-      if (i->src[0].getFile() == FILE_IMMEDIATE) {
-         imm = SDATA(i->src[0]).u32;
+      if (i->src(0).getFile() == FILE_IMMEDIATE) {
+         imm = SDATA(i->src(0)).u32;
          if (imm & 0xfff00000) {
             assert(!(imm & 0x000fffff));
             code[0] = 0x00000318 | imm;
@@ -1476,9 +1482,9 @@ CodeEmitterNVC0::emitMOV(const Instruction *i)
          }
       } else {
          code[0] = 0x0028;
-         emitShortSrc2(i->src[0]);
+         emitShortSrc2(i->src(0));
       }
-      defId(i->def[0], 14);
+      defId(i->def(0), 14);
 
       emitPredicate(i);
    }
@@ -1498,7 +1504,7 @@ CodeEmitterNVC0::emitInstruction(Instruction *insn)
 
    // assert that instructions with multiple defs don't corrupt registers
    for (int d = 0; insn->defExists(d); ++d)
-      assert(insn->asTex() || insn->def[d].rep()->reg.data.id >= 0);
+      assert(insn->asTex() || insn->def(d).rep()->reg.data.id >= 0);
 
    switch (insn->op) {
    case OP_MOV:
@@ -1643,10 +1649,10 @@ CodeEmitterNVC0::emitInstruction(Instruction *insn)
       emitQUADOP(insn, insn->subOp, insn->lanes);
       break;
    case OP_DFDX:
-      emitQUADOP(insn, insn->src[0].mod.neg() ? 0x66 : 0x99, 0x4);
+      emitQUADOP(insn, insn->src(0).mod.neg() ? 0x66 : 0x99, 0x4);
       break;
    case OP_DFDY:
-      emitQUADOP(insn, insn->src[0].mod.neg() ? 0x5a : 0xa5, 0x5);
+      emitQUADOP(insn, insn->src(0).mod.neg() ? 0x5a : 0xa5, 0x5);
       break;
    case OP_POPCNT:
       emitPOPC(insn);
@@ -1705,33 +1711,33 @@ CodeEmitterNVC0::getMinEncodingSize(const Instruction *i) const
    }
 
    for (int s = 0; i->srcExists(s); ++s) {
-      if (i->src[s].isIndirect(0))
+      if (i->src(s).isIndirect(0))
          return 8;
 
-      if (i->src[s].getFile() == FILE_MEMORY_CONST) {
-         if (SDATA(i->src[s]).offset >= 0x100)
+      if (i->src(s).getFile() == FILE_MEMORY_CONST) {
+         if (SDATA(i->src(s)).offset >= 0x100)
             return 8;
          if (i->getSrc(s)->reg.fileIndex > 1 &&
              i->getSrc(s)->reg.fileIndex != 16)
              return 8;
       } else
-      if (i->src[s].getFile() == FILE_IMMEDIATE) {
+      if (i->src(s).getFile() == FILE_IMMEDIATE) {
          if (i->dType == TYPE_F32) {
-            if (SDATA(i->src[s]).u32 >= 0x100)
+            if (SDATA(i->src(s)).u32 >= 0x100)
                return 8;
          } else {
-            if (SDATA(i->src[s]).u32 > 0xff)
+            if (SDATA(i->src(s)).u32 > 0xff)
                return 8;
          }
       }
 
       if (i->op == OP_CVT)
          continue;
-      if (i->src[s].mod != Modifier(0)) {
-         if (i->src[s].mod == Modifier(NV50_IR_MOD_ABS))
+      if (i->src(s).mod != Modifier(0)) {
+         if (i->src(s).mod == Modifier(NV50_IR_MOD_ABS))
             if (i->op != OP_RSQ)
                return 8;
-         if (i->src[s].mod == Modifier(NV50_IR_MOD_NEG))
+         if (i->src(s).mod == Modifier(NV50_IR_MOD_NEG))
             if (i->op != OP_ADD || s != 0)
                return 8;
       }
diff --git a/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp b/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp
index 1c19651f1cf..6eb0bf48928 100644
--- a/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp
+++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp
@@ -220,7 +220,7 @@ NVC0LegalizePostRA::visit(BasicBlock *bb)
       if (i->op == OP_EMIT || i->op == OP_RESTART) {
          if (!i->getDef(0)->refCount())
             i->setDef(0, NULL);
-         if (i->src[0].getFile() == FILE_IMMEDIATE)
+         if (i->src(0).getFile() == FILE_IMMEDIATE)
             i->setSrc(0, r63); // initial value must be 0
       } else
       if (i->isNop()) {
@@ -421,7 +421,7 @@ NVC0LoweringPass::handleTXD(TexInstruction *txd)
    int arg = txd->tex.target.getDim() + txd->tex.target.isArray();
 
    handleTEX(txd);
-   while (txd->src[arg].exists())
+   while (txd->src(arg).exists())
       ++arg;
 
    txd->tex.derivAll = true;
@@ -431,10 +431,10 @@ NVC0LoweringPass::handleTXD(TexInstruction *txd)
    assert(arg <= 4); // at most s/t/array, x, y, offset
 
    for (int c = 0; c < dim; ++c) {
-      txd->src[arg + c * 2 + 0].set(txd->dPdx[c]);
-      txd->src[arg + c * 2 + 1].set(txd->dPdy[c]);
-      txd->dPdx[c] = NULL;
-      txd->dPdy[c] = NULL;
+      txd->src(arg + c * 2 + 0).set(txd->dPdx[c]);
+      txd->src(arg + c * 2 + 1).set(txd->dPdy[c]);
+      txd->dPdx[c].set(NULL);
+      txd->dPdy[c].set(NULL);
    }
    return true;
 }
@@ -600,10 +600,10 @@ NVC0LoweringPass::handleEXPORT(Instruction *i)
    if (prog->getType() == Program::TYPE_FRAGMENT) {
       int id = i->getSrc(0)->reg.data.offset / 4;
 
-      if (i->src[0].isIndirect(0)) // TODO, ugly
+      if (i->src(0).isIndirect(0)) // TODO, ugly
          return false;
       i->op = OP_MOV;
-      i->src[0].set(i->src[1]);
+      i->src(0).set(i->src(1));
       i->setSrc(1, NULL);
       i->setDef(0, new_LValue(func, FILE_GPR));
       i->getDef(0)->reg.data.id = id;
@@ -698,7 +698,7 @@ NVC0LoweringPass::visit(Instruction *i)
    case OP_WRSV:
       return handleWRSV(i);
    case OP_LOAD:
-      if (i->src[0].getFile() == FILE_SHADER_INPUT) {
+      if (i->src(0).getFile() == FILE_SHADER_INPUT) {
          i->op = OP_VFETCH;
          assert(prog->getType() != Program::TYPE_FRAGMENT);
       }
diff --git a/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp b/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp
index 6fe95c6693f..8f34cacd81b 100644
--- a/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp
+++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp
@@ -388,7 +388,7 @@ bool
 TargetNVC0::insnCanLoad(const Instruction *i, int s,
                         const Instruction *ld) const
 {
-   DataFile sf = ld->src[0].getFile();
+   DataFile sf = ld->src(0).getFile();
 
    // immediate 0 can be represented by GPR $r63
    if (sf == FILE_IMMEDIATE && ld->getSrc(0)->reg.data.u64 == 0)
@@ -400,16 +400,16 @@ TargetNVC0::insnCanLoad(const Instruction *i, int s,
       return false;
 
    // indirect loads can only be done by OP_LOAD/VFETCH/INTERP on nvc0
-   if (ld->src[0].isIndirect(0))
+   if (ld->src(0).isIndirect(0))
       return false;
 
    for (int k = 0; i->srcExists(k); ++k) {
-      if (i->src[k].getFile() == FILE_IMMEDIATE) {
+      if (i->src(k).getFile() == FILE_IMMEDIATE) {
          if (i->getSrc(k)->reg.data.u64 != 0)
             return false;
       } else
-      if (i->src[k].getFile() != FILE_GPR &&
-          i->src[k].getFile() != FILE_PREDICATE) {
+      if (i->src(k).getFile() != FILE_GPR &&
+          i->src(k).getFile() != FILE_PREDICATE) {
          return false;
       }
    }
@@ -478,12 +478,12 @@ TargetNVC0::isModSupported(const Instruction *insn, int s, Modifier mod) const
       case OP_XOR:
          break;
       case OP_ADD:
-         if (insn->src[s ? 0 : 1].mod.neg())
+         if (insn->src(s ? 0 : 1).mod.neg())
             return false;
          break;
       case OP_SUB:
          if (s == 0)
-            return insn->src[1].mod.neg() ? false : true;
+            return insn->src(1).mod.neg() ? false : true;
          break;
       default:
          return false;