From 7cb3a57b9c7c75fc0313b3f79db5b5e8cc007e7d Mon Sep 17 00:00:00 2001
From: Dmitry Plotnikov <plotnikov@espressif.com>
Date: Thu, 4 Jul 2019 11:02:20 +0400
Subject: [PATCH] build_system: add -freorder-blocks option for release config

---
 CMakeLists.txt  | 3 ++-
 make/project.mk | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1b48106487..a0ef70d15f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,6 +11,7 @@ unset(compile_definitions)
 
 if(CONFIG_COMPILER_OPTIMIZATION_LEVEL_RELEASE)
     list(APPEND compile_options "-Os")
+    list(APPEND compile_options "-freorder-blocks")
 else()
     list(APPEND compile_options "-Og")
 endif()
@@ -79,4 +80,4 @@ foreach(component_target ${build_component_targets})
         add_subdirectory(${dir} ${_name})
     endif()
     set(__idf_component_context 0)
-endforeach()
\ No newline at end of file
+endforeach()
diff --git a/make/project.mk b/make/project.mk
index 32d8862e4f..e146acc42f 100644
--- a/make/project.mk
+++ b/make/project.mk
@@ -418,7 +418,7 @@ endif
 
 # Optimization flags are set based on menuconfig choice
 ifdef CONFIG_COMPILER_OPTIMIZATION_LEVEL_RELEASE
-OPTIMIZATION_FLAGS = -Os
+OPTIMIZATION_FLAGS = -Os -freorder-blocks
 else
 OPTIMIZATION_FLAGS = -Og
 endif