[Mesa-dev] [PATCH] nv50/ir: emit VOTE instruction
Samuel Pitoiset
samuel.pitoiset at gmail.com
Wed Feb 17 23:16:55 UTC 2016
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
src/gallium/drivers/nouveau/codegen/nv50_ir.h | 4 ++++
.../drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp | 24 +++++++++++++++++++++
.../drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp | 25 ++++++++++++++++++++++
.../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, 80 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 8268e08..349c0ee 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 +1373,25 @@ CodeEmitterGK110::emitFlow(const Instruction *i)
}
void
+CodeEmitterGK110::emitVOTE(const Instruction *i)
+{
+ code[0] = 0x00000002;
+ code[1] = 0x86c00000;
+
+ switch (i->subOp) {
+ case NV50_IR_SUBOP_VOTE_ANY: code[1] |= (1 << 19); break;
+ case NV50_IR_SUBOP_VOTE_UNI: code[1] |= (1 << 20); break;
+ default:
+ assert(i->subOp == NV50_IR_SUBOP_VOTE_ALL);
+ break;
+ }
+
+ defId(i->def(0), 2);
+ srcId(i->src(0), 48);
+ srcId(i->src(1), 42);
+}
+
+void
CodeEmitterGK110::emitAFETCH(const Instruction *i)
{
uint32_t offset = i->src(0).get()->reg.data.offset & 0x7ff;
@@ -2054,6 +2075,9 @@ CodeEmitterGK110::emitInstruction(Instruction *insn)
case OP_CCTL:
emitCCTL(insn);
break;
+ case OP_VOTE:
+ emitVOTE(insn);
+ break;
case OP_PHI:
case OP_UNION:
case OP_CONSTRAINT:
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
index 93c40d1..3113973 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
@@ -195,6 +195,8 @@ private:
void emitOUT();
void emitMEMBAR();
+
+ void emitVOTE();
};
/*******************************************************************************
@@ -2653,6 +2655,26 @@ CodeEmitterGM107::emitMEMBAR()
emitField(0x08, 2, insn->subOp >> 2);
}
+void
+CodeEmitterGM107::emitVOTE()
+{
+ int subOp;
+
+ switch (insn->subOp) {
+ case NV50_IR_SUBOP_VOTE_ANY: subOp = 1; break;
+ default:
+ assert(insn->subOp == NV50_IR_SUBOP_VOTE_ALL);
+ subOp = 0;
+ break;
+ }
+
+ emitInsn (0x50d80000);
+ emitField(0x30, 2, subOp);
+ emitPRED (0x2d);
+ emitGPR (0x00, insn->def(0));
+ emitPRED (0x27);
+}
+
/*******************************************************************************
* assembler front-end
******************************************************************************/
@@ -2955,6 +2977,9 @@ CodeEmitterGM107::emitInstruction(Instruction *i)
case OP_MEMBAR:
emitMEMBAR();
break;
+ case OP_VOTE:
+ emitVOTE();
+ break;
default:
assert(!"invalid opcode");
emitNOP();
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 8e9d9bc..4d99878 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
@@ -142,6 +142,8 @@ private:
void emitPIXLD(const Instruction *);
+ void emitVOTE(const Instruction *);
+
inline void defId(const ValueDef&, const int pos);
inline void defId(const Instruction *, int d, const int pos);
inline void srcId(const ValueRef&, const int pos);
@@ -2332,6 +2334,24 @@ CodeEmitterNVC0::emitPIXLD(const Instruction *i)
code[1] |= 0x00e00000;
}
+void
+CodeEmitterNVC0::emitVOTE(const Instruction *i)
+{
+ assert(i->src(0).getFile() == FILE_PREDICATE &&
+ i->def(1).getFile() == FILE_PREDICATE);
+
+ code[0] = 0x00000004 | (i->subOp << 5);
+ code[1] = 0x48000000;
+
+ emitPredicate(i);
+
+ defId(i->def(0), 14);
+ defId(i->def(1), 32 + 22);
+ if (i->src(0).mod == Modifier(NV50_IR_MOD_NOT))
+ code[0] |= 1 << 23;
+ srcId(i->src(0), 20);
+}
+
bool
CodeEmitterNVC0::emitInstruction(Instruction *insn)
{
@@ -2602,6 +2622,9 @@ CodeEmitterNVC0::emitInstruction(Instruction *insn)
case OP_PIXLD:
emitPIXLD(insn);
break;
+ case OP_VOTE:
+ emitVOTE(insn);
+ break;
case OP_PHI:
case OP_UNION:
case OP_CONSTRAINT:
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_print.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_print.cpp
index 85f7704..cfa85ec 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_print.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_print.cpp
@@ -190,6 +190,7 @@ const char *operationStr[OP_LAST + 1] =
"vsel",
"cctl",
"shfl",
+ "vote",
"(invalid)"
};
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_target.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_target.cpp
index 89d3a08..160e36f 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_target.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_target.cpp
@@ -55,6 +55,7 @@ const uint8_t Target::operationSrcNr[] =
2, 2, 2, 2, 3, 2, // VADD, VAVG, VMIN, VMAX, VSAD, VSET,
2, 2, 2, 1, // VSHR, VSHL, VSEL, CCTL
3, // SHFL
+ 1, // VOTE
0
};
@@ -129,6 +130,8 @@ const OpClass Target::operationClass[] =
OPCLASS_VECTOR, OPCLASS_CONTROL,
// SHFL
OPCLASS_OTHER,
+ // VOTE
+ OPCLASS_OTHER,
OPCLASS_PSEUDO // LAST
};
--
2.7.1
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