From d964b7bf518d05654cfb2d04825cc2b42972898d Mon Sep 17 00:00:00 2001
From: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Date: Mon, 28 Aug 2023 18:44:54 +0300
Subject: [PATCH] Math: Use HiFi3 IIR_DF2T version for HiFi4

The HiFi3 code is faster and compatible so it should be used
instead of generic version for HiFi4.

Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
---
 src/include/sof/math/iir_df2t.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/include/sof/math/iir_df2t.h b/src/include/sof/math/iir_df2t.h
index 16727942eaa4..852463b93465 100644
--- a/src/include/sof/math/iir_df2t.h
+++ b/src/include/sof/math/iir_df2t.h
@@ -29,7 +29,7 @@
 #else
 #  if defined __XCC__
 #    include <xtensa/config/core-isa.h>
-#    if XCHAL_HAVE_HIFI3 == 1
+#    if XCHAL_HAVE_HIFI3 == 1 || XCHAL_HAVE_HIFI4 == 1
 #      define IIR_GENERIC	0
 #      define IIR_HIFI3		1
 #    else