From 10feb681282be3cdbe3414739b2d10ef44c25e2c Mon Sep 17 00:00:00 2001
From: Fred Emmott <fe@fb.com>
Date: Fri, 10 Jul 2020 10:32:30 -0700
Subject: [PATCH] Add support for -march=sandybridge

HHVM's been building with this (or equivalent predecessor patches); it
gets us a 20x speedup on real-world workloads, at the cost of slightly
worse compatibility.

This doesn't change the default, just makes it available as an explicit
choice.
---
 Library/Homebrew/hardware.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Library/Homebrew/hardware.rb b/Library/Homebrew/hardware.rb
index 789b34fb9c..12a3d32a95 100644
--- a/Library/Homebrew/hardware.rb
+++ b/Library/Homebrew/hardware.rb
@@ -14,6 +14,7 @@ module Hardware
         @optimization_flags ||= {
           native:             arch_flag("native"),
           nehalem:            "-march=nehalem",
+          sandybridge:        "-march=sandybridge",
           core2:              "-march=core2",
           core:               "-march=prescott",
           arm_vortex_tempest: "",