nv50/ir/tgsi: TGSI_OPCODE_POW replicates its result

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "10.2" <mesa-stable@lists.freedesktop.org>

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
index 3e44bf9fdbac437520e7488ac0136067efe843fc..e24be519d75a6cfb327a75e6b4fa6d70fcd7d1fa 100644 (file)
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -2199,7 +2199,6 @@ Converter::handleInstruction(const struct tgsi_full_instruction *insn)
    case TGSI_OPCODE_IMUL_HI:
    case TGSI_OPCODE_UMUL_HI:
    case TGSI_OPCODE_OR:
-   case TGSI_OPCODE_POW:
    case TGSI_OPCODE_SHL:
    case TGSI_OPCODE_ISHR:
    case TGSI_OPCODE_USHR:
@@ -2254,6 +2253,11 @@ Converter::handleInstruction(const struct tgsi_full_instruction *insn)
       FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
          mkOp1(OP_MOV, TYPE_U32, dst0[c], fetchSrc(0, c));
       break;
+   case TGSI_OPCODE_POW:
+      val0 = mkOp2v(op, TYPE_F32, getScratch(), fetchSrc(0, 0), fetchSrc(1, 0));
+      FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
+         mkOp1(OP_MOV, TYPE_F32, dst0[c], val0);
+      break;
    case TGSI_OPCODE_EX2:
    case TGSI_OPCODE_LG2:
       val0 = mkOp1(op, TYPE_F32, getScratch(), fetchSrc(0, 0))->getDef(0);