diff -Nru gcc-6-6.1.1/debian/changelog gcc-6-6.1.1/debian/changelog
--- gcc-6-6.1.1/debian/changelog	2016-06-09 11:29:59.000000000 -0600
+++ gcc-6-6.1.1/debian/changelog	2016-06-21 10:06:03.000000000 -0600
@@ -1,3 +1,9 @@
+gcc-6 (6.1.1-6ubuntu11+vulcan.1) UNRELEASED; urgency=medium
+
+  * Vulcan cpu support (LP: #1594452).
+
+ -- dann frazier <dann.frazier@canonical.com>  Tue, 21 Jun 2016 10:04:10 -0600
+
 gcc-6 (6.1.1-6ubuntu11) yakkety; urgency=medium
 
   * Merge with Debian; remaining changes:
diff -Nru gcc-6-6.1.1/debian/patches/vulcan-cpu.diff gcc-6-6.1.1/debian/patches/vulcan-cpu.diff
--- gcc-6-6.1.1/debian/patches/vulcan-cpu.diff	1969-12-31 17:00:00.000000000 -0700
+++ gcc-6-6.1.1/debian/patches/vulcan-cpu.diff	2016-06-21 14:02:39.000000000 -0600
@@ -0,0 +1,49 @@
+From: jgreenhalgh <jgreenhalgh@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Tue, 21 Jun 2016 13:43:29 +0000 (+0000)
+Subject: [PATCH/AARCH64] Accept vulcan as a cpu name for the AArch64 port of GCC
+X-Git-Url: https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff_plain;h=2c6ac78145ac8ff2fd83271d093e23ab80a15e4f
+
+[PATCH/AARCH64] Accept vulcan as a cpu name for the AArch64 port of GCC
+
+gcc/ChangeLog
+
+	* config/aarch64/aarch64-cores.def (vulcan): New core.
+	* config/aarch64/aarch64-tune.md: Regenerate.
+	* doc/invoke.texi: Document vulcan as an available option.
+
+diff -urpN a/src/gcc/config/aarch64/aarch64-cores.def b/src/gcc/config/aarch64/aarch64-cores.def
+--- a/src/gcc/config/aarch64/aarch64-cores.def	2016-01-04 07:30:50.000000000 -0700
++++ b/src/gcc/config/aarch64/aarch64-cores.def	2016-06-21 10:32:59.191974071 -0600
+@@ -49,6 +49,10 @@ AARCH64_CORE("qdf24xx",     qdf24xx,   c
+ AARCH64_CORE("thunderx",    thunderx,  thunderx,  8A,  AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC | AARCH64_FL_CRYPTO, thunderx,  "0x43", "0x0a1")
+ AARCH64_CORE("xgene1",      xgene1,    xgene1,    8A,  AARCH64_FL_FOR_ARCH8, xgene1, "0x50", "0x000")
+ 
++/* V8.1 Architecture Processors.  */
++
++AARCH64_CORE("vulcan",  vulcan, cortexa57, 8_1A,  AARCH64_FL_FOR_ARCH8_1 | AARCH64_FL_CRYPTO, cortexa57, "0x42", "0x516")
++
+ /* V8 big.LITTLE implementations.  */
+ 
+ AARCH64_CORE("cortex-a57.cortex-a53",  cortexa57cortexa53, cortexa53, 8A,  AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC, cortexa57, "0x41", "0xd07.0xd03")
+diff -urpN a/src/gcc/config/aarch64/aarch64-tune.md b/src/gcc/config/aarch64/aarch64-tune.md
+--- a/src/gcc/config/aarch64/aarch64-tune.md	2016-04-27 02:22:11.000000000 -0600
++++ b/src/gcc/config/aarch64/aarch64-tune.md	2016-06-21 10:32:59.191974071 -0600
+@@ -1,5 +1,5 @@
+ ;; -*- buffer-read-only: t -*-
+ ;; Generated automatically by gentune.sh from aarch64-cores.def
+ (define_attr "tune"
+-	"cortexa35,cortexa53,cortexa57,cortexa72,exynosm1,qdf24xx,thunderx,xgene1,cortexa57cortexa53,cortexa72cortexa53"
++	"cortexa35,cortexa53,cortexa57,cortexa72,exynosm1,qdf24xx,thunderx,xgene1,vulcan,cortexa57cortexa53,cortexa72cortexa53"
+ 	(const (symbol_ref "((enum attr_tune) aarch64_tune)")))
+diff -urpN a/src/gcc/doc/invoke.texi b/src/gcc/doc/invoke.texi
+--- a/src/gcc/doc/invoke.texi	2016-06-21 10:31:29.994143994 -0600
++++ b/src/gcc/doc/invoke.texi	2016-06-21 10:35:51.136081208 -0600
+@@ -12988,7 +12988,7 @@ Specify the name of the target processor
+ performance of the code.  Permissible values for this option are:
+ @samp{generic}, @samp{cortex-a35}, @samp{cortex-a53}, @samp{cortex-a57},
+ @samp{cortex-a72}, @samp{exynos-m1}, @samp{qdf24xx}, @samp{thunderx},
+-@samp{xgene1}.
++@samp{vulcan}, @samp{xgene1}.
+ 
+ Additionally, this option can specify that GCC should tune the performance
+ of the code for a big.LITTLE system.  Permissible values for this
diff -Nru gcc-6-6.1.1/debian/rules.patch gcc-6-6.1.1/debian/rules.patch
--- gcc-6-6.1.1/debian/rules.patch	2016-06-09 11:24:48.000000000 -0600
+++ gcc-6-6.1.1/debian/rules.patch	2016-06-21 10:37:41.000000000 -0600
@@ -86,6 +86,7 @@
 	gcc-SOURCE_DATE_EPOCH \
 	gcc-SOURCE_DATE_EPOCH-2 \
 	cmd-go-combine-gccgo-s-ld-and-ldShared-methods \
+	vulcan-cpu \
 
 # this is still needed on powerpc, e.g. firefox and insighttoolkit4 will ftbfs.
 ifneq (,$(filter $(DEB_TARGET_ARCH),powerpc))