freedreno/ir3: Implement f2b16 and i2b16

Reviewed-by: Rob Clark <robdclark@gmail.com>

src/freedreno/ir3/ir3_compiler_nir.c

@@ -385,6 +385,12 @@ emit_alu(struct ir3_context *ctx, nir_alu_instr *alu)
 							create_cov(ctx, src[0], 32, nir_op_f2f16),
 							16, nir_op_f2f32);
 		break;
+	case nir_op_f2b16: {
+		struct ir3_instruction *zero = create_immed_typed(b, 0, TYPE_F16);
+		dst[0] = ir3_CMPS_F(b, src[0], 0, zero, 0);
+		dst[0]->cat2.condition = IR3_COND_NE;
+		break;
+	}
 	case nir_op_f2b32:
 		dst[0] = ir3_CMPS_F(b, src[0], 0, create_immed(b, fui(0.0)), 0);
 		dst[0]->cat2.condition = IR3_COND_NE;
@@ -400,6 +406,12 @@ emit_alu(struct ir3_context *ctx, nir_alu_instr *alu)
 	case nir_op_b2i32:
 		dst[0] = ir3_b2n(b, src[0]);
 		break;
+	case nir_op_i2b16: {
+		struct ir3_instruction *zero = create_immed_typed(b, 0, TYPE_S16);
+		dst[0] = ir3_CMPS_S(b, src[0], 0, zero, 0);
+		dst[0]->cat2.condition = IR3_COND_NE;
+		break;
+	}
 	case nir_op_i2b32:
 		dst[0] = ir3_CMPS_S(b, src[0], 0, create_immed(b, 0), 0);
 		dst[0]->cat2.condition = IR3_COND_NE;