From b22c7f325d56917e9a423b758126f84f1991d7fa Mon Sep 17 00:00:00 2001
From: Alexander Frick <Alex313031@gmail.com>
Date: Thu, 18 Jan 2024 19:25:07 -0600
Subject: [PATCH]  use RobRich999 SIMD opts

---
 other/AVX2/build/config/compiler/BUILD.gn |  6 ++++++
 other/AVX2/build/config/win/BUILD.gn      | 11 ++++++++++-
 src/build/config/compiler/BUILD.gn        | 12 +++++++++++-
 src/build/config/win/BUILD.gn             | 11 +++++++++++
 4 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/other/AVX2/build/config/compiler/BUILD.gn b/other/AVX2/build/config/compiler/BUILD.gn
index d9e943bd..d4780ffe 100644
--- a/other/AVX2/build/config/compiler/BUILD.gn
+++ b/other/AVX2/build/config/compiler/BUILD.gn
@@ -2286,6 +2286,12 @@ if (is_win) {
     "-mllvm", "-enable-dfa-jump-thread",
     "/O2",
     "/clang:-O3",
+    "/clang:-msse3",
+    "/clang:-mssse3",
+    "/clang:-msse4",
+    "/clang:-msse4.1",
+    "/clang:-msse4.2",
+    "/clang:-mavx",
     "/clang:-mavx2",
     "/clang:-maes",
     "/clang:-mpclmul",
diff --git a/other/AVX2/build/config/win/BUILD.gn b/other/AVX2/build/config/win/BUILD.gn
index 75016d0c..3fe94ce6 100644
--- a/other/AVX2/build/config/win/BUILD.gn
+++ b/other/AVX2/build/config/win/BUILD.gn
@@ -129,17 +129,26 @@ config("compiler") {
     # "/fp:fast", enables FMA.
     if (current_cpu == "x86" || current_cpu == "x64") {
       cflags += [
+        "-msse3",
+        "-mssse3",
+        "-msse4",
+        "-msse4.1",
+        "-msse4.2",
         "-mavx",
         "-mavx2",
         "-maes",
         "-mpclmul",
         "/clang:-O3",
+        "/clang:-msse3",
+        "/clang:-mssse3",
+        "/clang:-msse4",
+        "/clang:-msse4.1",
+        "/clang:-msse4.2",
         "/clang:-mavx",
         "/clang:-mavx2",
         "/clang:-maes",
         "/clang:-mpclmul",
         "-Xclang", "-O3",
-        "/clang:-march=haswell",
         "/clang:-ffp-contract=fast",
         "/arch:AVX2",
         "-Wno-unused-command-line-argument",
diff --git a/src/build/config/compiler/BUILD.gn b/src/build/config/compiler/BUILD.gn
index 3622726f..311bb684 100644
--- a/src/build/config/compiler/BUILD.gn
+++ b/src/build/config/compiler/BUILD.gn
@@ -1141,11 +1141,16 @@ config("compiler_cpu_abi") {
       cflags += [
         "-m64",
         "-O3",
+        "-msse3",
+        "-mssse3",
+        "-msse4",
+        "-msse4.1",
+        "-msse4.2",
         "-mavx",
         "-maes",
         "-mpclmul",
       ]
-      ldflags += [ "-m64", "-Wl,-O3", "-mavx", "-maes", "-mpclmul", "-Wl,-mllvm,-import-instr-limit=30", "-Wl,-mllvm,-import-hot-multiplier=15", "-Wl,-mllvm,-import-cold-multiplier=2", ]
+      ldflags += [ "-m64", "-Wl,-O3", "-msse3", "-mssse3", "-msse4", "-msse4.1", "-msse4.2", "-mavx", "-maes", "-mpclmul", "-Wl,-mllvm,-import-instr-limit=30", "-Wl,-mllvm,-import-hot-multiplier=15", "-Wl,-mllvm,-import-cold-multiplier=2", ]
     } else if (current_cpu == "x86") {
       cflags += [ "-m32" ]
       ldflags += [ "-m32", "-Wl,-O3", "-msse3", ]
@@ -2286,6 +2291,11 @@ if (is_win) {
     "-mllvm", "-enable-dfa-jump-thread",
     "/O2",
     "/clang:-O3",
+    "/clang:-msse3",
+    "/clang:-mssse3",
+    "/clang:-msse4",
+    "/clang:-msse4.1",
+    "/clang:-msse4.2",
     "/clang:-mavx",
     "/clang:-maes",
     "/clang:-mpclmul",
diff --git a/src/build/config/win/BUILD.gn b/src/build/config/win/BUILD.gn
index 59840fa8..9bbfeb8d 100644
--- a/src/build/config/win/BUILD.gn
+++ b/src/build/config/win/BUILD.gn
@@ -129,10 +129,20 @@ config("compiler") {
     # "/fp:fast", enables FMA.
     if (current_cpu == "x86" || current_cpu == "x64") {
       cflags += [
+        "-msse3",
+        "-mssse3",
+        "-msse4",
+        "-msse4.1",
+        "-msse4.2",
         "-mavx",
         "-maes",
         "-mpclmul",
         "/clang:-O3",
+        "/clang:-msse3",
+        "/clang:-mssse3",
+        "/clang:-msse4",
+        "/clang:-msse4.1",
+        "/clang:-msse4.2",
         "/clang:-mavx",
         "/clang:-maes",
         "/clang:-mpclmul",
@@ -206,6 +216,7 @@ config("compiler") {
       "/INCREMENTAL:NO",
       "/FIXED:NO",
       "/OPT:lldlto=3",
+      "-mllvm:-march=sandybridge",
     ]
 
     if (use_lld) {