diff --git a/buildflags.md b/buildflags.md
index 7f85aca..b279bbb 100644
--- a/buildflags.md
+++ b/buildflags.md
@@ -259,15 +259,12 @@ not), but their selection depends on the architecture:
     handlers.  It also makes performance and debugging tools more
     useful because unwind information is available without having to
     install (and load) debugging ienformation.
-    Asynchronous unwind tables are enabled for aarch64, i686, s390x,
-    and x86_64.  They are not needed on armhfp, ppc64 and ppc64le due
-    to architectural differences in stack management.  On these
+    Asynchronous unwind tables are enabled for aarch64, i686, ppc64,
+    ppc64le, s390x, and x86_64.  They are not needed on armhfp due to
+    architectural differences in stack management.  On these
     architectures, `-fexceptions` (see above) still enables regular
     unwind tables (or they are enabled by default even without this
     option).
-*   `-funwind-tables`: A subset of the unwind information restricted
-    to actual call sites.  Used on ppc64, ppc64le.  Also implied by
-    `-fexceptions`.
 
 In addition, `redhat-rpm-config` re-selects the built-in default
 tuning in the `gcc` package.  These settings are:
diff --git a/redhat-rpm-config.spec b/redhat-rpm-config.spec
index f327d60..5ddcae1 100644
--- a/redhat-rpm-config.spec
+++ b/redhat-rpm-config.spec
@@ -6,7 +6,7 @@
 
 Summary: Red Hat specific rpm configuration files
 Name: redhat-rpm-config
-Version: 109
+Version: 110
 Release: 1%{?dist}
 # No version specified.
 License: GPL+
@@ -184,6 +184,9 @@ install -p -m 755 -t %{buildroot}%{_rpmconfigdir} kmod.prov
 %{_rpmconfigdir}/macros.d/macros.kmp
 
 %changelog
+* Wed May  2 2018 Florian Weimer <fweimer@redhat.com> - 110-1
+- Reflect -fasynchronous-unwind-tables GCC default on POWER (#1550914)
+
 * Wed May  2 2018 Florian Weimer <fweimer@redhat.com> - 109-1
 - Use plain -fcf-protection compiler flag, without -mcet (#1570823)
 
diff --git a/rpmrc b/rpmrc
index dc8fa85..015004a 100644
--- a/rpmrc
+++ b/rpmrc
@@ -24,12 +24,12 @@ optflags: sparc64v %{__global_compiler_flags} -m64 -mcpu=niagara
 
 optflags: m68k %{__global_compiler_flags}
 
-optflags: ppc %{__global_compiler_flags} -m32 -funwind-tables
+optflags: ppc %{__global_compiler_flags} -m32 -fasynchronous-unwind-tables
 optflags: ppciseries %{__global_compiler_flags} -m32
 optflags: ppcpseries %{__global_compiler_flags} -m32
-optflags: ppc64 %{__global_compiler_flags} -m64 -funwind-tables -fstack-clash-protection
-optflags: ppc64p7 %{__global_compiler_flags} -m64 -O3 -mcpu=power7 -mtune=power7 -funwind-tables -fstack-clash-protection
-optflags: ppc64le %{__global_compiler_flags} -m64 -mcpu=power8 -mtune=power8 -funwind-tables -fstack-clash-protection
+optflags: ppc64 %{__global_compiler_flags} -m64 -fasynchronous-unwind-tables -fstack-clash-protection
+optflags: ppc64p7 %{__global_compiler_flags} -m64 -O3 -mcpu=power7 -mtune=power7 -fasynchronous-unwind-tables -fstack-clash-protection
+optflags: ppc64le %{__global_compiler_flags} -m64 -mcpu=power8 -mtune=power8 -fasynchronous-unwind-tables -fstack-clash-protection
 optflags: ppc64iseries %{__global_compiler_flags} -m64
 optflags: ppc64pseries %{__global_compiler_flags} -m64
 optflags: ppc8260 %{__global_compiler_flags} -m32