From: Tanner Gooding <tagoo@outlook.com>
Date: Fri, 29 Dec 2017 03:11:51 +0000 (-0800)
Subject: Adding support for the SSE Reciprocal, ReciprocalSqrt, and Sqrt scalar intrinsics
X-Git-Tag: accepted/tizen/base/20180629.140029~127^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3fcdaf8dc2698f444625a9d1236d985b8860b1dc;p=platform%2Fupstream%2Fcoreclr.git

Adding support for the SSE Reciprocal, ReciprocalSqrt, and Sqrt scalar intrinsics
---

diff --git a/src/jit/hwintrinsiccodegenxarch.cpp b/src/jit/hwintrinsiccodegenxarch.cpp
index 76f2706..1a9c493 100644
--- a/src/jit/hwintrinsiccodegenxarch.cpp
+++ b/src/jit/hwintrinsiccodegenxarch.cpp
@@ -422,12 +422,24 @@ void CodeGen::genSSEIntrinsic(GenTreeHWIntrinsic* node)
             emit->emitIns_SIMD_R_R(INS_rcpps, targetReg, op1Reg, TYP_SIMD16);
             break;
 
+        case NI_SSE_ReciprocalScalar:
+            assert(baseType == TYP_FLOAT);
+            assert(op2 == nullptr);
+            emit->emitIns_SIMD_R_R_R(INS_rcpss, targetReg, op1Reg, op1Reg, TYP_SIMD16);
+            break;
+
         case NI_SSE_ReciprocalSqrt:
             assert(baseType == TYP_FLOAT);
             assert(op2 == nullptr);
             emit->emitIns_SIMD_R_R(INS_rsqrtps, targetReg, op1Reg, TYP_SIMD16);
             break;
 
+        case NI_SSE_ReciprocalSqrtScalar:
+            assert(baseType == TYP_FLOAT);
+            assert(op2 == nullptr);
+            emit->emitIns_SIMD_R_R_R(INS_rsqrtss, targetReg, op1Reg, op1Reg, TYP_SIMD16);
+            break;
+
         case NI_SSE_SetAllVector128:
             assert(baseType == TYP_FLOAT);
             assert(op2 == nullptr);
@@ -536,6 +548,12 @@ void CodeGen::genSSEIntrinsic(GenTreeHWIntrinsic* node)
             emit->emitIns_SIMD_R_R(INS_sqrtps, targetReg, op1Reg, TYP_SIMD16);
             break;
 
+        case NI_SSE_SqrtScalar:
+            assert(baseType == TYP_FLOAT);
+            assert(op2 == nullptr);
+            emit->emitIns_SIMD_R_R_R(INS_sqrtss, targetReg, op1Reg, op1Reg, TYP_SIMD16);
+            break;
+
         case NI_SSE_StaticCast:
             assert(op2 == nullptr);
             if (op1Reg != targetReg)
diff --git a/src/jit/hwintrinsicxarch.cpp b/src/jit/hwintrinsicxarch.cpp
index df0ca9c..cf7673c 100644
--- a/src/jit/hwintrinsicxarch.cpp
+++ b/src/jit/hwintrinsicxarch.cpp
@@ -598,8 +598,11 @@ GenTree* Compiler::impSSEIntrinsic(NamedIntrinsic        intrinsic,
             break;
 
         case NI_SSE_Reciprocal:
+        case NI_SSE_ReciprocalScalar:
         case NI_SSE_ReciprocalSqrt:
+        case NI_SSE_ReciprocalSqrtScalar:
         case NI_SSE_Sqrt:
+        case NI_SSE_SqrtScalar:
             assert(sig->numArgs == 1);
             assert(getBaseTypeOfSIMDType(sig->retTypeSigClass) == TYP_FLOAT);
             op1     = impSIMDPopStack(TYP_SIMD16);