commit 8939c6474a34eb6d642db8fecb8b3a5c3194e464
author Aart Bik <ajcbik@google.com> Mon Apr 03 14:09:01 2017 -0700
committer Aart Bik <ajcbik@google.com> Tue Apr 04 09:15:45 2017 -0700
tree a0a2db32a5147416d796907a3977dd29e04e9328
parent 08ae45625d059891754e3c3ad63a5e6cae80b96b

SIMD pcmpgtb,w,d,q for x86/x86_64

Rationale:
Enables fast compare gt.

Test: assembler_x86[_64]_test
Change-Id: I0a069649480529f3fec2c2b100e2aaaa2cd79820

compiler/utils/x86/assembler_x86.cc

diff --git a/compiler/utils/x86/assembler_x86.cc b/compiler/utils/x86/assembler_x86.cc
index 9c934b7..1736618 100644
--- a/compiler/utils/x86/assembler_x86.cc
+++ b/compiler/utils/x86/assembler_x86.cc
@@ -1276,6 +1276,43 @@
 }
 
 
+void X86Assembler::pcmpgtb(XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0x64);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+
+void X86Assembler::pcmpgtw(XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0x65);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+
+void X86Assembler::pcmpgtd(XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0x66);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+
+void X86Assembler::pcmpgtq(XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0x38);
+  EmitUint8(0x37);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+
 void X86Assembler::shufpd(XmmRegister dst, XmmRegister src, const Immediate& imm) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x66);