3 files changed, 35 insertions, 0 deletions
diff --git a/compiler/utils/x86_64/assembler_x86_64.cc b/compiler/utils/x86_64/assembler_x86_64.cc
index bd155ed..e82d90c 100644
--- a/compiler/utils/x86_64/assembler_x86_64.cc
+++ b/compiler/utils/x86_64/assembler_x86_64.cc
@@ -796,6 +796,30 @@ void X86_64Assembler::ucomisd(XmmRegister a, XmmRegister b) {
 }
 
 
+void X86_64Assembler::roundsd(XmmRegister dst, XmmRegister src, const Immediate& imm) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitOptionalRex32(dst, src);
+  EmitUint8(0x0F);
+  EmitUint8(0x3A);
+  EmitUint8(0x0B);
+  EmitXmmRegisterOperand(dst.LowBits(), src);
+  EmitUint8(imm.value());
+}
+
+
+void X86_64Assembler::roundss(XmmRegister dst, XmmRegister src, const Immediate& imm) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitOptionalRex32(dst, src);
+  EmitUint8(0x0F);
+  EmitUint8(0x3A);
+  EmitUint8(0x0A);
+  EmitXmmRegisterOperand(dst.LowBits(), src);
+  EmitUint8(imm.value());
+}
+
+
 void X86_64Assembler::sqrtsd(XmmRegister dst, XmmRegister src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0xF2);
diff --git a/compiler/utils/x86_64/assembler_x86_64.h b/compiler/utils/x86_64/assembler_x86_64.h
index 495f74f..39f781c 100644
--- a/compiler/utils/x86_64/assembler_x86_64.h
+++ b/compiler/utils/x86_64/assembler_x86_64.h
@@ -353,6 +353,9 @@ class X86_64Assembler FINAL : public Assembler {
   void ucomiss(XmmRegister a, XmmRegister b);
   void ucomisd(XmmRegister a, XmmRegister b);
 
+  void roundsd(XmmRegister dst, XmmRegister src, const Immediate& imm);
+  void roundss(XmmRegister dst, XmmRegister src, const Immediate& imm);
+
   void sqrtsd(XmmRegister dst, XmmRegister src);
   void sqrtss(XmmRegister dst, XmmRegister src);
 
diff --git a/compiler/utils/x86_64/assembler_x86_64_test.cc b/compiler/utils/x86_64/assembler_x86_64_test.cc
index 00f508b..4402dfc 100644
--- a/compiler/utils/x86_64/assembler_x86_64_test.cc
+++ b/compiler/utils/x86_64/assembler_x86_64_test.cc
@@ -692,6 +692,14 @@ TEST_F(AssemblerX86_64Test, Sqrtsd) {
   DriverStr(RepeatFF(&x86_64::X86_64Assembler::sqrtsd, "sqrtsd %{reg2}, %{reg1}"), "sqrtsd");
 }
 
+TEST_F(AssemblerX86_64Test, Roundss) {
+  DriverStr(RepeatFFI(&x86_64::X86_64Assembler::roundss, 1, "roundss ${imm}, %{reg2}, %{reg1}"), "roundss");
+}
+
+TEST_F(AssemblerX86_64Test, Roundsd) {
+  DriverStr(RepeatFFI(&x86_64::X86_64Assembler::roundsd, 1, "roundsd ${imm}, %{reg2}, %{reg1}"), "roundsd");
+}
+
 TEST_F(AssemblerX86_64Test, Xorps) {
   DriverStr(RepeatFF(&x86_64::X86_64Assembler::xorps, "xorps %{reg2}, %{reg1}"), "xorps");
 }