From e3b2eb57b5c538b36c4423b10b8b9aab6ef30f4e Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Sun, 14 Apr 2019 20:51:58 -0400
Subject: [PATCH] common/fp/op/FPRSqrtStepFused: Add half-precision
 specialization for FPRSqrtStepFused

---
 src/common/fp/op/FPRSqrtStepFused.cpp | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/common/fp/op/FPRSqrtStepFused.cpp b/src/common/fp/op/FPRSqrtStepFused.cpp
index e3ecf2ae..84a193b4 100644
--- a/src/common/fp/op/FPRSqrtStepFused.cpp
+++ b/src/common/fp/op/FPRSqrtStepFused.cpp
@@ -19,9 +19,9 @@ template<typename FPT>
 FPT FPRSqrtStepFused(FPT op1, FPT op2, FPCR fpcr, FPSR& fpsr) {
     op1 = FPNeg(op1);
 
-    const auto [type1, sign1, value1] = FPUnpack<FPT>(op1, fpcr, fpsr);
-    const auto [type2, sign2, value2] = FPUnpack<FPT>(op2, fpcr, fpsr);
-    
+    const auto [type1, sign1, value1] = FPUnpack(op1, fpcr, fpsr);
+    const auto [type2, sign2, value2] = FPUnpack(op2, fpcr, fpsr);
+
     if (const auto maybe_nan = FPProcessNaNs(type1, type2, op1, op2, fpcr, fpsr)) {
         return *maybe_nan;
     }
@@ -37,7 +37,7 @@ FPT FPRSqrtStepFused(FPT op1, FPT op2, FPCR fpcr, FPSR& fpsr) {
     }
 
     if (inf1 || inf2) {
-        return FPInfo<FPT>::Infinity(sign1 != sign2);
+        return FPT(FPInfo<FPT>::Infinity(sign1 != sign2));
     }
 
     // result_value = (3.0 + (value1 * value2)) / 2.0
@@ -45,11 +45,12 @@ FPT FPRSqrtStepFused(FPT op1, FPT op2, FPCR fpcr, FPSR& fpsr) {
     result_value.exponent--;
 
     if (result_value.mantissa == 0) {
-        return FPInfo<FPT>::Zero(fpcr.RMode() == RoundingMode::TowardsMinusInfinity);
+        return FPT(FPInfo<FPT>::Zero(fpcr.RMode() == RoundingMode::TowardsMinusInfinity));
     }
     return FPRound<FPT>(result_value, fpcr, fpsr);
 }
 
+template u16 FPRSqrtStepFused<u16>(u16 op1, u16 op2, FPCR fpcr, FPSR& fpsr);
 template u32 FPRSqrtStepFused<u32>(u32 op1, u32 op2, FPCR fpcr, FPSR& fpsr);
 template u64 FPRSqrtStepFused<u64>(u64 op1, u64 op2, FPCR fpcr, FPSR& fpsr);