From 5414070cd3b6519e2070263a0dc273c6027181a9 Mon Sep 17 00:00:00 2001
From: Skyth <19259897+blueskythlikesclouds@users.noreply.github.com>
Date: Sat, 28 Sep 2024 13:53:42 +0300
Subject: [PATCH] Change vrefp/vrsqrtefp to precise variants for now.

---
 PowerRecomp/recompiler.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/PowerRecomp/recompiler.cpp b/PowerRecomp/recompiler.cpp
index 576db91..89a8dbc 100644
--- a/PowerRecomp/recompiler.cpp
+++ b/PowerRecomp/recompiler.cpp
@@ -1712,8 +1712,9 @@ bool Recompiler::Recompile(
 
     case PPC_INST_VREFP:
     case PPC_INST_VREFP128:
+        // TODO: see if we can use rcp safely
         printSetFlushMode(true);
-        println("\t_mm_store_ps({}.f32, _mm_rcp_ps(_mm_load_ps({}.f32)));", v(insn.operands[0]), v(insn.operands[1]));
+        println("\t_mm_store_ps({}.f32, _mm_div_ps(_mm_set1_ps(1), _mm_load_ps({}.f32)));", v(insn.operands[0]), v(insn.operands[1]));
         break;
 
     case PPC_INST_VRFIM:
@@ -1743,8 +1744,10 @@ bool Recompiler::Recompile(
 
     case PPC_INST_VRSQRTEFP:
     case PPC_INST_VRSQRTEFP128:
+        // TODO: see if we can use rsqrt safely
+        // TODO: we can detect if the input is from a dot product and apply logic only on one value
         printSetFlushMode(true);
-        println("\t_mm_store_ps({}.f32, _mm_rsqrt_ps(_mm_load_ps({}.f32)));", v(insn.operands[0]), v(insn.operands[1]));
+        println("\t_mm_store_ps({}.f32, _mm_div_ps(_mm_set1_ps(1), _mm_sqrt_ps(_mm_load_ps({}.f32))));", v(insn.operands[0]), v(insn.operands[1]));
         break;
 
     case PPC_INST_VSEL: