From 67d3fd77d1572e46f537dea2fd4ded3ecfd7c202 Mon Sep 17 00:00:00 2001
From: Aart Bik <ajcbik@google.com>
Date: Fri, 31 Mar 2017 15:11:53 -0700
Subject: SIMD pavgb,w for x86/x86_64

Rationale:
Break-out CL of ART Vectorizer.
Enables fast halving add with rounding

Bug: 34083438
Test: assembler_x86[_64]_test
Change-Id: I09173376b803d671a6b05a33e630f45f778cea52
---
 compiler/utils/x86/assembler_x86.cc | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'compiler/utils/x86/assembler_x86.cc')

diff --git a/compiler/utils/x86/assembler_x86.cc b/compiler/utils/x86/assembler_x86.cc
index 5307dc09d9..9c934b7f39 100644
--- a/compiler/utils/x86/assembler_x86.cc
+++ b/compiler/utils/x86/assembler_x86.cc
@@ -1221,6 +1221,24 @@ void X86Assembler::por(XmmRegister dst, XmmRegister src) {
 }
 
 
+void X86Assembler::pavgb(XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0xE0);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+
+void X86Assembler::pavgw(XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0xE3);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+
 void X86Assembler::pcmpeqb(XmmRegister dst, XmmRegister src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x66);
-- 
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