From 932451017317358293ea69f0a0dc447a90a20130 Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa@collabora.com>
Date: Thu, 22 Jul 2021 13:53:10 -0400
Subject: [PATCH] pan/bi: Model RSCALE for Valhall

Faster than FMA_RSCALE. We'll want to optimize this (e.g. for exp2).

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12026>
---
 src/panfrost/bifrost/ISA.xml | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/panfrost/bifrost/ISA.xml b/src/panfrost/bifrost/ISA.xml
index ac914808f18..e1eb918eef3 100644
--- a/src/panfrost/bifrost/ISA.xml
+++ b/src/panfrost/bifrost/ISA.xml
@@ -8260,4 +8260,34 @@
     <immediate name="index" size="32"/>
   </ins>
 
+  <ins name="+FRSCALE.f32" pseudo="true">
+    <src start="0"/>
+    <src start="3"/>
+    <mod name="clamp" size="2">
+      <opt>none</opt>
+      <opt>clamp_0_inf</opt>
+      <opt>clamp_m1_1</opt>
+      <opt>clamp_0_1</opt>
+    </mod>
+    <mod name="neg0" size="1" opt="neg"/>
+    <mod name="neg1" size="1" opt="neg"/>
+    <mod name="abs0" start="15" size="1" opt="abs"/>
+    <mod name="abs1" start="15" size="1" opt="abs"/>
+  </ins>
+
+  <ins name="+FRSCALE.v2f16" pseudo="true">
+    <src start="0"/>
+    <src start="3"/>
+    <mod name="clamp" size="2">
+      <opt>none</opt>
+      <opt>clamp_0_inf</opt>
+      <opt>clamp_m1_1</opt>
+      <opt>clamp_0_1</opt>
+    </mod>
+    <mod name="neg0" size="1" opt="neg"/>
+    <mod name="neg1" size="1" opt="neg"/>
+    <mod name="abs0" start="15" size="1" opt="abs"/>
+    <mod name="abs1" start="15" size="1" opt="abs"/>
+  </ins>
+
 </bifrost>