On 03/02/2016 04:32 PM, Matt Turner wrote:
On Sun, Feb 28, 2016 at 11:44 AM, Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
Changes from v2:
  - add missing NOT modifier for GK110/GM107

Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
  src/gallium/drivers/nouveau/codegen/nv50_ir.h      |  4 +++
  .../drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp | 23 +++++++++++++++++
  .../drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp | 29 ++++++++++++++++++++++
  .../drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp  | 23 +++++++++++++++++
  .../drivers/nouveau/codegen/nv50_ir_print.cpp      |  1 +
  .../drivers/nouveau/codegen/nv50_ir_target.cpp     |  3 +++
  6 files changed, 83 insertions(+)

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir.h 
b/src/gallium/drivers/nouveau/codegen/nv50_ir.h
index 97ebed4..7b0eb2f 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir.h
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir.h
@@ -161,6 +161,7 @@ enum operation
     OP_VSEL,
     OP_CCTL, // cache control
     OP_SHFL, // warp shuffle
+   OP_VOTE,
     OP_LAST
  };

@@ -244,6 +245,9 @@ enum operation
  #define NV50_IR_SUBOP_V2(d,a,b)    (((d) << 10) | ((b) << 5) | (a) | 0x4000)
  #define NV50_IR_SUBOP_V4(d,a,b)    (((d) << 10) | ((b) << 5) | (a) | 0x8000)
  #define NV50_IR_SUBOP_Vn(n)        ((n) >> 14)
+#define NV50_IR_SUBOP_VOTE_ALL 0
+#define NV50_IR_SUBOP_VOTE_ANY 1
+#define NV50_IR_SUBOP_VOTE_UNI 2

  enum DataType
  {
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp 
b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
index 90c6a610..b6b3ec7 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
@@ -128,6 +128,8 @@ private:

     void emitFlow(const Instruction *);

+   void emitVOTE(const Instruction *);
+
     inline void defId(const ValueDef&, const int pos);
     inline void srcId(const ValueRef&, const int pos);
     inline void srcId(const ValueRef *, const int pos);
@@ -1371,6 +1373,24 @@ CodeEmitterGK110::emitFlow(const Instruction *i)
  }

  void
+CodeEmitterGK110::emitVOTE(const Instruction *i)
+{
+   assert(i->src(0).getFile() == FILE_PREDICATE &&
+          i->def(1).getFile() == FILE_PREDICATE);
+
+   code[0] = 0x00000002;
+   code[1] = 0x86c00000 | (i->subOp << 19);
+
+   emitPredicate(i);
+
+   defId(i->def(0), 2);
+   defId(i->def(1), 48);
+   if (i->src(0).mod == Modifier(NV50_IR_MOD_NOT))
+      code[0] |= 1 << 45;


This is broken.

Presumably you want code[1] |= 1 << 23 instead?

Yes, I have a patch which fixes that but I forgot to send it.
Will do a bit later.



--
-Samuel
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