From 3d00dd63b42687aa4279ae8afcde7607346d299b Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Thu, 3 May 2018 18:39:28 -0400
Subject: [PATCH] emit_x64_vector: Emit VPMINSQ and VPMINUQ for 64-bit vector
 min operations if AVX-512VL is available

---
 src/backend_x64/emit_x64_vector.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/backend_x64/emit_x64_vector.cpp b/src/backend_x64/emit_x64_vector.cpp
index 9cc209c9..d5e34860 100644
--- a/src/backend_x64/emit_x64_vector.cpp
+++ b/src/backend_x64/emit_x64_vector.cpp
@@ -1160,6 +1160,11 @@ void EmitX64::EmitVectorMinS32(EmitContext& ctx, IR::Inst* inst) {
 }
 
 void EmitX64::EmitVectorMinS64(EmitContext& ctx, IR::Inst* inst) {
+    if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX512VL)) {
+        EmitAVXVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::vpminsq);
+        return;
+    }
+
     EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s64, 2>& result, const std::array<s64, 2>& a, const std::array<s64, 2>& b){
         std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
     });
@@ -1218,6 +1223,11 @@ void EmitX64::EmitVectorMinU32(EmitContext& ctx, IR::Inst* inst) {
 }
 
 void EmitX64::EmitVectorMinU64(EmitContext& ctx, IR::Inst* inst) {
+    if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX512VL)) {
+        EmitAVXVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::vpminuq);
+        return;
+    }
+
     EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<u64, 2>& a, const std::array<u64, 2>& b){
         std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
     });