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authorChristoph Bumiller <e0425955@student.tuwien.ac.at>2012-04-28 17:06:59 +0200
committerChristoph Bumiller <e0425955@student.tuwien.ac.at>2012-04-29 18:03:11 +0200
commit1f4c154f0253ed8fb448402532cfa670f74e69cd (patch)
tree10c485cfad921e6d962c2146efc468ff0aec63a8 /src/gallium/drivers/nvc0
parentd6ab3106cf7475cdaddf788a3e650bdd5833f73c (diff)
nv50/ir/opt: try to convert ABS(SUB) to SAD
Diffstat (limited to 'src/gallium/drivers/nvc0')
-rw-r--r--src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp16
-rw-r--r--src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp2
2 files changed, 17 insertions, 1 deletions
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 026a6a0ee9..2ca4979dc7 100644
--- a/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp
+++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp
@@ -87,6 +87,7 @@ private:
void emitUMUL(const Instruction *);
void emitFMUL(const Instruction *);
void emitIMAD(const Instruction *);
+ void emitISAD(const Instruction *);
void emitFMAD(const Instruction *);
void emitNOT(Instruction *);
@@ -621,6 +622,18 @@ CodeEmitterNVC0::emitIMAD(const Instruction *i)
}
void
+CodeEmitterNVC0::emitISAD(const Instruction *i)
+{
+ assert(i->dType == TYPE_S32 || i->dType == TYPE_U32);
+ assert(i->encSize == 8);
+
+ emitForm_A(i, HEX64(38000000, 00000003));
+
+ if (i->dType == TYPE_S32)
+ code[0] |= 1 << 5;
+}
+
+void
CodeEmitterNVC0::emitNOT(Instruction *i)
{
assert(i->encSize == 8);
@@ -1608,6 +1621,9 @@ CodeEmitterNVC0::emitInstruction(Instruction *insn)
else
emitIMAD(insn);
break;
+ case OP_SAD:
+ emitISAD(insn);
+ break;
case OP_NOT:
emitNOT(insn);
break;
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 ffa40dd93f..10c2d09d65 100644
--- a/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp
+++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp
@@ -456,7 +456,7 @@ TargetNVC0::isOpSupported(operation op, DataType ty) const
{
if ((op == OP_MAD || op == OP_FMA) && (ty != TYPE_F32))
return false;
- if (op == OP_SAD && ty != TYPE_S32)
+ if (op == OP_SAD && ty != TYPE_S32 && ty != TYPE_U32)
return false;
if (op == OP_POW || op == OP_SQRT || op == OP_DIV || op == OP_MOD)
return false;