From cd88d1a171bf4493ddd5590c8a294543f14f19d5 Mon Sep 17 00:00:00 2001
From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Wed, 27 Apr 2016 19:14:35 +0200
Subject: [PATCH] nvc0/ir: add emission for OP_SULEA

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
---
 .../drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp  | 58 ++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
index 14f4be4..f7bdc19 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
@@ -63,6 +63,8 @@ private:
    void emitInterpMode(const Instruction *);
    void emitLoadStoreType(DataType ty);
    void emitSUGType(DataType);
+   void emitSUAddr(const TexInstruction *);
+   void emitSUDim(const TexInstruction *);
    void emitCachingMode(CacheMode c);
 
    void emitShortSrc2(const ValueRef&);
@@ -137,6 +139,8 @@ private:
    void emitSULDGB(const TexInstruction *);
    void emitSUSTGx(const TexInstruction *);
 
+   void emitSULEA(const TexInstruction *);
+
    void emitVSHL(const Instruction *);
    void emitVectorSubOp(const Instruction *);
 
@@ -2285,6 +2289,57 @@ CodeEmitterNVC0::emitSUSTGx(const TexInstruction *i)
 }
 
 void
+CodeEmitterNVC0::emitSUAddr(const TexInstruction *i)
+{
+   assert(targ->getChipset() < NVISA_GK104_CHIPSET);
+
+   if (i->tex.rIndirectSrc < 0) {
+      code[1] |= 0x00004000;
+      code[0] |= i->tex.r << 26;
+   } else {
+      srcId(i, i->tex.rIndirectSrc, 26);
+   }
+}
+
+void
+CodeEmitterNVC0::emitSUDim(const TexInstruction *i)
+{
+   assert(targ->getChipset() < NVISA_GK104_CHIPSET);
+
+   code[1] |= (i->tex.target.getDim() - 1) << 12;
+   if (i->tex.target.isArray() || i->tex.target.isCube() ||
+       i->tex.target.getDim() == 3) {
+      // use e2d mode for 3-dim images, arrays and cubes.
+      code[1] |= 3 << 12;
+   }
+
+   srcId(i->src(0), 20);
+}
+
+void
+CodeEmitterNVC0::emitSULEA(const TexInstruction *i)
+{
+   assert(targ->getChipset() < NVISA_GK104_CHIPSET);
+
+   code[0] = 0x5;
+   code[1] = 0xf0000000;
+
+   emitPredicate(i);
+   emitLoadStoreType(i->sType);
+
+   defId(i->def(0), 14);
+
+   if (i->defExists(1)) {
+      defId(i->def(1), 32 + 22);
+   } else {
+      code[1] |= 7 << 22;
+   }
+
+   emitSUAddr(i);
+   emitSUDim(i);
+}
+
+void
 CodeEmitterNVC0::emitVectorSubOp(const Instruction *i)
 {
    switch (NV50_IR_SUBOP_Vn(i->subOp)) {
@@ -2579,6 +2634,9 @@ CodeEmitterNVC0::emitInstruction(Instruction *insn)
       else
          ERROR("SUSTx not yet supported on < nve4\n");
       break;
+   case OP_SULEA:
+      emitSULEA(insn->asTex());
+      break;
    case OP_ATOM:
       emitATOM(insn);
       break;
-- 
2.7.4