From c6c8a9bd554f51c05bba5ab2c6cbc70edae9d10f Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Mon, 11 May 2020 03:01:50 -0400
Subject: [PATCH] ac/nir: support v2f16 derivatives

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5003>
---
 src/amd/llvm/ac_llvm_build.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/amd/llvm/ac_llvm_build.c b/src/amd/llvm/ac_llvm_build.c
index 7fa2e38361e..ef4e79c85f0 100644
--- a/src/amd/llvm/ac_llvm_build.c
+++ b/src/amd/llvm/ac_llvm_build.c
@@ -2055,6 +2055,8 @@ ac_build_ddxy(struct ac_llvm_context *ctx,
 
 	if (result_type == ctx->f16)
 		val = LLVMBuildZExt(ctx->builder, val, ctx->i32, "");
+	else if (result_type == ctx->v2f16)
+		val = LLVMBuildBitCast(ctx->builder, val, ctx->i32, "");
 
 	for (unsigned i = 0; i < 4; ++i) {
 		tl_lanes[i] = i & mask;
-- 
2.30.2