diff --git a/.gitignore b/.gitignore
index 37ba3cb..795e243 100644
--- a/.gitignore
+++ b/.gitignore
@@ -83,3 +83,5 @@
 /compiler-rt-12.0.1.src.tar.xz.sig
 /compiler-rt-13.0.0rc1.src.tar.xz
 /compiler-rt-13.0.0rc1.src.tar.xz.sig
+/compiler-rt-13.0.0rc3.src.tar.xz
+/compiler-rt-13.0.0rc3.src.tar.xz.sig
diff --git a/0001-Fix-compiler-rt-arch-detection-for-ppc64le.patch b/0001-Fix-compiler-rt-arch-detection-for-ppc64le.patch
new file mode 100644
index 0000000..7ad9295
--- /dev/null
+++ b/0001-Fix-compiler-rt-arch-detection-for-ppc64le.patch
@@ -0,0 +1,25 @@
+From 72191190adea8e861e9a383b83799e7472b80e30 Mon Sep 17 00:00:00 2001
+From: Tom Stellard <tstellar@redhat.com>
+Date: Thu, 23 Sep 2021 18:06:41 -0700
+Subject: [PATCH] Fix compiler-rt arch detection for ppc64le
+
+---
+ compiler-rt/cmake/base-config-ix.cmake | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/compiler-rt/cmake/base-config-ix.cmake b/compiler-rt/cmake/base-config-ix.cmake
+index c11342e68813..3ca9dc0f5515 100644
+--- a/compiler-rt/cmake/base-config-ix.cmake
++++ b/compiler-rt/cmake/base-config-ix.cmake
+@@ -204,7 +204,7 @@ macro(test_targets)
+           test_target_arch(x86_64 "" "")
+         endif()
+       endif()
+-    elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc64le")
++    elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc64le|ppc64le")
+       test_target_arch(powerpc64le "" "-m64")
+     elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc")
+       if(CMAKE_SYSTEM_NAME MATCHES "AIX")
+-- 
+2.27.0
+
diff --git a/0001-Only-add-no-omit-frame-pointer-flags-when-the-compil.patch b/0001-Only-add-no-omit-frame-pointer-flags-when-the-compil.patch
deleted file mode 100644
index ce0ba6e..0000000
--- a/0001-Only-add-no-omit-frame-pointer-flags-when-the-compil.patch
+++ /dev/null
@@ -1,30 +0,0 @@
-From 1738127904d20d403d8cf8ad67b0f68d728ad6b8 Mon Sep 17 00:00:00 2001
-From: Tom Stellard <tstellar@redhat.com>
-Date: Mon, 9 Aug 2021 13:57:40 -0700
-Subject: [PATCH] Only add no-omit-frame-pointer flags when the compiler
- supports them
-
----
- compiler-rt/lib/scudo/standalone/CMakeLists.txt | 8 ++++++--
- 1 file changed, 6 insertions(+), 2 deletions(-)
-
-diff --git a/compiler-rt/lib/scudo/standalone/CMakeLists.txt b/compiler-rt/lib/scudo/standalone/CMakeLists.txt
-index 8c3708d3a45f..6a1f2f3accff 100644
---- a/compiler-rt/lib/scudo/standalone/CMakeLists.txt
-+++ b/compiler-rt/lib/scudo/standalone/CMakeLists.txt
-@@ -124,8 +124,10 @@ if (COMPILER_RT_HAS_GWP_ASAN)
-        RTGwpAsan RTGwpAsanBacktraceLibc RTGwpAsanSegvHandler
-        RTGwpAsanOptionsParser)
- 
--  list(APPEND SCUDO_CFLAGS -DGWP_ASAN_HOOKS -fno-omit-frame-pointer
--                           -mno-omit-leaf-frame-pointer)
-+  append_list_if(COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG -fno-omit-frame-pointer
-+                 SCUDO_CFLAGS)
-+  list(APPEND SCUDO_CFLAGS -DGWP_ASAN_HOOKS)
-+
- endif()
- 
- set(SCUDO_LINK_LIBS)
--- 
-2.27.0
-
diff --git a/compiler-rt.spec b/compiler-rt.spec
index fe96b50..a7eee85 100644
--- a/compiler-rt.spec
+++ b/compiler-rt.spec
@@ -1,4 +1,4 @@
-%global rc_ver 1
+%global rc_ver 3
 
 %global compiler_rt_version 13.0.0
 %global crt_srcdir compiler-rt-%{compiler_rt_version}%{?rc_ver:rc%{rc_ver}}.src
@@ -21,7 +21,7 @@ Source1:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{compil
 Source2:	tstellar-gpg-key.asc
 
 Patch0:		0001-PATCH-compiler-rt-Workaround-libstdc-limitation-wrt..patch
-Patch1:		0001-Only-add-no-omit-frame-pointer-flags-when-the-compil.patch
+Patch1:		0001-Fix-compiler-rt-arch-detection-for-ppc64le.patch
 
 BuildRequires:	gcc
 BuildRequires:	gcc-c++
@@ -111,6 +111,9 @@ popd
 %endif
 
 %changelog
+* Wed Sep 22 2021 Tom Stellard <tsellar@redhat.com> - 13.0.0~rc3-1
+- 13.0.0-rc3 Release
+
 * Mon Aug 09 2021 Tom Stellard <tstellar@redhat.com> = 13.0.0~rc1-1
 - 13.0.0-rc1 Release
 
diff --git a/sources b/sources
index 4daf3ec..da48d8c 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (compiler-rt-13.0.0rc1.src.tar.xz) = 4e03c76aef587cfdbe846e20690ae4143bb432e6bb92135c13d49cb8667d5590f2df492db15b6c1af03cec4e4d51aa044b16a487b04786ee8a002de0d3b2846b
-SHA512 (compiler-rt-13.0.0rc1.src.tar.xz.sig) = 3ffa21fa6c8ab3a93c63e05f80d1076aeeb15beedaf444ec60d9a70228f99ec6ad53e3426f045953400383a2dc5f4fb5c3e4be9db21dc6a2f6a3a056c2b40283
+SHA512 (compiler-rt-13.0.0rc3.src.tar.xz) = 3aea4f62c639af04f60ef9db268c4c3b635c5f6f6f96825b9676c43a835a63285fc8978a9c9273e4895d5f24931084571be2f6cc25320f80d34a3f954997dd8d
+SHA512 (compiler-rt-13.0.0rc3.src.tar.xz.sig) = 643315e79bccd507160adcba856b7f60feefd4aa7e0199e57e6a7fbbbb53c08146f985c14e4c6c515570689b87c555f3fc47443b570fbb66b791fc01464f32f4