diff --git a/ChangeLog b/ChangeLog
index a23ff96..0b3ac0d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2016-12-27  Ben Elliston  <bje@gnu.org>
+
+	* testsuite/config-sub.data: Align columns.
+
 2016-12-27  Ben Elliston  <bje@gnu.org>
 
 	* testsuite/config-guess.data: Sort.
diff --git a/testsuite/config-sub.data b/testsuite/config-sub.data
index bf380ce..85c1f35 100644
--- a/testsuite/config-sub.data
+++ b/testsuite/config-sub.data
@@ -1,535 +1,535 @@
-1750a				1750a-unknown-none
-386bsd				i386-unknown-bsd
-580				580-unknown-none
-a29k				a29k-unknown-none
-a29khif				a29k-amd-udi
-aarch64				aarch64-unknown-none
-aarch64_be			aarch64_be-unknown-none
-aarch64_be-elf			aarch64_be-unknown-elf
-aarch64_be-linux		aarch64_be-unknown-linux-gnu
-aarch64_be-unknown-elf		aarch64_be-unknown-elf
-aarch64_be-unknown-linux	aarch64_be-unknown-linux-gnu
-aarch64-elf			aarch64-unknown-elf
-aarch64-linux			aarch64-unknown-linux-gnu
-aarch64-unknown-elf		aarch64-unknown-elf
-aarch64-unknown-linux		aarch64-unknown-linux-gnu
-abacus				abacus-unknown-none
-adobe68k			m68010-adobe-scout
-alliant				fx80-alliant-none
-alpha64				alpha64-unknown-none
-alpha64ev4			alpha64ev4-unknown-none
-alpha64ev56			alpha64ev56-unknown-none
-alpha64ev67			alpha64ev67-unknown-none
-alpha64pca56			alpha64pca56-unknown-none
-alpha				alpha-unknown-none
-alphaev4			alphaev4-unknown-none
-alphaev56			alphaev56-unknown-none
-alphaev67			alphaev67-unknown-none
-alphapca56			alphapca56-unknown-none
-altos3068			m68k-altos-sysv
-altos				m68k-altos-sysv
-am33_2.0			am33_2.0-unknown-none
-amd64-cygwin			x86_64-pc-cygwin
-amd64-kfreebsd5.4-gnu		x86_64-pc-kfreebsd5.4-gnu
-amd64-onefs			x86_64-pc-onefs
-amd64-unknown-freebsd5.2	x86_64-unknown-freebsd5.2
-amd64				x86_64-pc-none
-amdahl				580-amdahl-sysv
-amiga				m68k-unknown-none
-arc				arc-unknown-none
-arceb				arceb-unknown-none
-arceb-linux			arceb-unknown-linux-gnu
-arc-linux			arc-unknown-linux-gnu
-arm				arm-unknown-none
-armbe				armbe-unknown-none
-arm-cegcc			arm-unknown-cegcc
-arm-coff			arm-unknown-coff
-armeb-unknown-netbsdelf7.0	armeb-unknown-netbsdelf7.0
-armel				armel-unknown-none
-arm-elf				arm-unknown-elf
-armle				armle-unknown-none
-arm-linux-androideabi		arm-unknown-linux-androideabi
-arm-mingw32ce			arm-unknown-mingw32ce
-arm-riscos			arm-unknown-riscos
-arm-tirtos			arm-unknown-tirtos
-arm-unknown-netbsdelf7.0	arm-unknown-netbsdelf7.0
-arm-unknown-riscos		arm-unknown-riscos
-armv2				armv2-unknown-none
-armv3l				armv3l-unknown-none
-armv6-cloudabi-eabihf		armv6-unknown-cloudabi-eabihf
-armv6eb-unknown-netbsdelf7.0	armv6eb-unknown-netbsdelf7.0
-armv6eb-unknown-netbsdelf7.0-eabi	armv6eb-unknown-netbsdelf7.0-eabi
-armv6eb-unknown-netbsdelf7.0-eabihf	armv6eb-unknown-netbsdelf7.0-eabihf
-armv6-linux-gnu			armv6-unknown-linux-gnu
-armv6-unknown-netbsdelf7.0	armv6-unknown-netbsdelf7.0
-armv6-unknown-netbsdelf7.0-eabi	armv6-unknown-netbsdelf7.0-eabi
-armv6-unknown-netbsdelf7.0-eabihf	armv6-unknown-netbsdelf7.0-eabihf
-armv7a				armv7a-unknown-none
-armv7a-linux-gnueabi		armv7a-unknown-linux-gnueabi
-armv7-apple-ios			armv7-apple-ios
-armv7eb-unknown-netbsdelf7.0	armv7eb-unknown-netbsdelf7.0
-armv7eb-unknown-netbsdelf7.0-eabi	armv7eb-unknown-netbsdelf7.0-eabi
-armv7eb-unknown-netbsdelf7.0-eabihf	armv7eb-unknown-netbsdelf7.0-eabihf
-armv7-unknown-netbsdelf7.0	armv7-unknown-netbsdelf7.0
-armv7-unknown-netbsdelf7.0-eabi	armv7-unknown-netbsdelf7.0-eabi
-armv7-unknown-netbsdelf7.0-eabihf	armv7-unknown-netbsdelf7.0-eabihf
-armv8b-linux-gnueabi		armv8b-unknown-linux-gnueabi
-aros				i386-pc-aros
-asmjs				asmjs-unknown-none
-avr32				avr32-unknown-none
-avr32-linux			avr32-unknown-linux-gnu
-avr				avr-unknown-none
-ba				ba-unknown-none
-ba-elf				ba-unknown-elf
-ba-linux			ba-unknown-linux-gnu
-be32				be32-unknown-none
-be32-none			be32-unknown-none
-be64				be64-unknown-none
-be64-none			be64-unknown-none
-bfin				bfin-unknown-none
-bfin-elf			bfin-unknown-elf
-blackfin			bfin-unknown-linux-gnu
-c4x				c4x-unknown-coff
-c54x-coff			tic54x-unknown-coff
-c54x-none-coff			tic54x-none-coff
-c54x				tic54x-unknown-coff
-c54x-unknown-coff		tic54x-unknown-coff
-c55x-coff			tic55x-unknown-coff
-c55x-none-coff			tic55x-none-coff
-c55x				tic55x-unknown-coff
-c55x-unknown-coff		tic55x-unknown-coff
-c6x-coff			tic6x-unknown-coff
-c6x-elf				tic6x-unknown-elf
-c6x-none-coff			tic6x-none-coff
-c6x-none-elf			tic6x-none-elf
-c6x				tic6x-unknown-coff
-c6x-uclinux			tic6x-unknown-uclinux
-c6x-unknown-coff		tic6x-unknown-coff
-c6x-unknown-elf			tic6x-unknown-elf
-c8051				c8051-unknown-elf
-c8051-elf			c8051-unknown-elf
-cegcc				arm-unknown-cegcc
-clipper				clipper-unknown-none
-cr16-elf			cr16-unknown-elf
-cr16-random-elf			cr16-unknown-elf
-cris-linux			cris-axis-linux-gnu
-crisv32-linux			crisv32-axis-linux-gnu
-d10v				d10v-unknown-none
-d30v				d30v-unknown-none
-dicos				i686-pc-dicos
-djgpp				i586-pc-msdosdjgpp
-dlx				dlx-unknown-none
-dsp16xx				dsp16xx-unknown-none
-e2k				e2k-unknown-none
-e2k-linux			e2k-unknown-linux-gnu
-e500v1-elf			powerpc-unknown-elfspe
-e500v2-elf			powerpc-unknown-elfspe
-e500v2-vxworksae		powerpc-wrs-vxworksaespe
-e500v2-wrs-linux		powerpc-wrs-linux-gnuspe
-e500v2-wrs-vxworks		powerpc-wrs-vxworksspe
-epiphany-elf			epiphany-unknown-elf
-epiphany			epiphany-unknown-none
-fido-elf			fido-unknown-elf
-fido				fido-unknown-none
-fr30				fr30-unknown-none
-frv				frv-unknown-none
-frv-linux			frv-unknown-linux-gnu
-ft32-elf			ft32-unknown-elf
-ft32				ft32-unknown-none
-h8300				h8300-unknown-none
-h8500				h8500-unknown-none
-hexagon				hexagon-unknown-elf
-hexagon-linux			hexagon-unknown-linux-gnu
-hppa1.0				hppa1.0-unknown-none
-hppa2.0				hppa2.0-unknown-none
-hppa2.0n			hppa2.0n-unknown-none
-hppa64				hppa64-unknown-none
-hppa				hppa-unknown-none
-i370				i370-ibm-mvs
-i386-aros			i386-pc-aros
-i386-bitrig			i386-pc-bitrig
-i386-cloudabi			i386-pc-cloudabi
-i386-drops1.0			i386-pc-drops1.0
-i386-elf			i386-pc-elf
-i386-es				i386-pc-es
-i386-freebsd			i386-pc-freebsd
-i386-glidix			i386-pc-glidix
-i386-haiku			i386-pc-haiku
-i386-isc			i386-pc-isc2.2
-i386-libertybsd			i386-pc-libertybsd
-i386-linux			i386-pc-linux-gnu
-i386-linux-musl			i386-pc-linux-musl
-i386-linux-newlib		i386-pc-linux-newlib
-i386-midipix			i386-pc-midipix
-i386-mingw32			i386-pc-mingw32
-i386-msys			i386-pc-msys
-i386-netbsd			i386-pc-netbsd
-i386-openbsd			i386-pc-openbsd
-i386-os2			i386-pc-os2
-i386-pc-nacl			i386-pc-nacl
-i386-pc-sco4			i386-pc-sco3.2v4
-i386-pc-sco5			i386-pc-sco3.2v5
-i386-pc-sco5v6			i386-pc-sco5v6
-i386-pc-sco6			i386-pc-sco5v6
-i386-pc-sco			i386-pc-sco3.2v2
-i386-phoenix			i386-pc-phoenix
-i386-plan9			i386-pc-plan9
-i386-solidbsd			i386-pc-solidbsd
-i386-sortix			i386-pc-sortix
-i386-udk			i386-pc-udk
-i486-elf			i486-pc-elf
-i586-auroraux5.0		i586-pc-auroraux5.0
-i586-auroraux			i586-pc-auroraux
-i586-elf			i586-pc-elf
-i586-rdos			i586-pc-rdos
-i586-skyos			i586-pc-skyos
-i686-android-linux		i686-unknown-linux-android
-i686-dicos			i686-pc-dicos
-i686-elf			i686-pc-elf
-i686-ericsson-dicos		i686-ericsson-dicos
-i686-kopensolaris5.11-gnu	i686-pc-kopensolaris5.11-gnu
-i786-elf			i786-pc-elf
-i860				i860-unknown-sysv
-i960				i960-unknown-none
-ia64				ia64-unknown-none
-ibm				i370-ibm-aix
-ip2k				ip2k-unknown-none
-iq2000				iq2000-unknown-none
-k1om				k1om-unknown-none
-k1om-linux			k1om-unknown-linux-gnu
-le32				le32-unknown-none
-le32-nacl			le32-unknown-nacl
-le64				le64-unknown-none
-le64-none			le64-unknown-none
-leon3-elf			sparc-leon3-elf
-leon3-vxworks			sparc-leon3-vxworks
-leon-elf			sparc-leon-elf
-leon-wrs-vxworks		sparc-leon-vxworks
-lm32-elf			lm32-unknown-elf
-lm32				lm32-unknown-none
-m32c-elf			m32c-unknown-elf
-m32c				m32c-unknown-none
-m32rle				m32rle-unknown-none
-m32r				m32r-unknown-none
-m68000				m68000-unknown-none
-m68k				m68k-unknown-none
-m68knommu			m68k-unknown-linux-gnu
-m88k				m88k-unknown-none
-maxq-elf			maxq-unknown-elf
-maxq				maxq-unknown-none
-mb-elf				mb-unknown-elf
-mb				mb-unknown-none
-mcore				mcore-unknown-none
-mep-elf				mep-unknown-elf
-mep				mep-unknown-elf
-metag-linux			metag-unknown-linux-gnu
-metag				metag-unknown-none
-microblazeel-elf		microblazeel-unknown-elf
-microblaze-elf			microblaze-unknown-elf
-microblazeel-linux		microblazeel-unknown-linux-gnu
-microblazeel			microblazeel-unknown-none
-microblaze-linux		microblaze-unknown-linux-gnu
-microblaze			microblaze-unknown-none
-mingw32ce			arm-unknown-mingw32ce
-mingw32				i686-pc-mingw32
-mingw64				x86_64-pc-mingw64
-mips16				mips16-unknown-elf
-mips64el			mips64el-unknown-elf
-mips64				mips64-unknown-elf
-mips64octeonel-elf		mips64octeonel-unknown-elf
-mips64octeon-elf		mips64octeon-unknown-elf
-mips64octeonel			mips64octeonel-unknown-elf
-mips64octeon			mips64octeon-unknown-elf
-mips64orionel			mips64orionel-unknown-elf
-mips64orion			mips64orion-unknown-elf
-mips64r5900el-elf		mips64r5900el-unknown-elf
-mips64r5900-elf			mips64r5900-unknown-elf
-mips64r5900el			mips64r5900el-unknown-elf
-mips64r5900			mips64r5900-unknown-elf
-mips64vr4100el			mips64vr4100el-unknown-elf
-mips64vr4100			mips64vr4100-unknown-elf
-mips64vr4300el			mips64vr4300el-unknown-elf
-mips64vr4300			mips64vr4300-unknown-elf
-mips64vr5000el			mips64vr5000el-unknown-elf
-mips64vr5000			mips64vr5000-unknown-elf
-mips64vr5900el-elf		mips64vr5900el-unknown-elf
-mips64vr5900-elf		mips64vr5900-unknown-elf
-mips64vr5900el			mips64vr5900el-unknown-elf
-mips64vr5900			mips64vr5900-unknown-elf
-mips64vrel			mips64vrel-unknown-elf
-mips64vr			mips64vr-unknown-elf
-mipsbe				mipsbe-unknown-elf
-mipseb				mipseb-unknown-elf
-mipsel				mipsel-unknown-elf
-mipsisa32el			mipsisa32el-unknown-elf
-mipsisa32			mipsisa32-unknown-elf
-mipsisa32r2el			mipsisa32r2el-unknown-elf
-mipsisa32r2			mipsisa32r2-unknown-elf
-mipsisa32r6el-elf		mipsisa32r6el-unknown-elf
-mipsisa32r6-elf			mipsisa32r6-unknown-elf
-mipsisa32r6el			mipsisa32r6el-unknown-elf
-mipsisa32r6			mipsisa32r6-unknown-elf
-mipsisa64el			mipsisa64el-unknown-elf
-mipsisa64			mipsisa64-unknown-elf
-mipsisa64r2el			mipsisa64r2el-unknown-elf
-mipsisa64r2			mipsisa64r2-unknown-elf
-mipsisa64r6el-elf		mipsisa64r6el-unknown-elf
-mipsisa64r6-elf			mipsisa64r6-unknown-elf
-mipsisa64r6el			mipsisa64r6el-unknown-elf			
-mipsisa64r6			mipsisa64r6-unknown-elf
-mipsisa64sb1el			mipsisa64sb1el-unknown-elf
-mipsisa64sb1			mipsisa64sb1-unknown-elf
-mipsisa64sr71kel		mipsisa64sr71kel-unknown-elf
-mipsisa64sr71k			mipsisa64sr71k-unknown-elf
-mipsle				mipsle-unknown-elf
-mips				mips-unknown-elf
-mipsr5900el			mipsr5900el-unknown-elf
-mipsr5900			mipsr5900-unknown-elf
-mips-sde-elf			mips-sde-elf
-mipstx39el			mipstx39el-unknown-elf
-mipstx39			mipstx39-unknown-elf
-mmix-elf			mmix-knuth-elf
-mmix				mmix-knuth-mmixware
-mn10200				mn10200-unknown-none
-mn10300				mn10300-unknown-none
-moxiebox			moxie-unknown-moxiebox
-moxie-elf			moxie-unknown-elf
-moxie				moxie-unknown-none
-ms1-elf				mt-unknown-elf
-ms1				mt-unknown-none
-msp430				msp430-unknown-none
-msys				i686-pc-msys
-mt-elf				mt-unknown-elf
-mt				mt-unknown-none
-nacl				le32-unknown-nacl
-nds32be				nds32be-unknown-none
-nds32-elf			nds32-unknown-elf
-nds32le-elf			nds32le-unknown-elf
-nds32le				nds32le-unknown-none
-nds32				nds32-unknown-none
-nios2eb-elf			nios2eb-unknown-elf
-nios2eb				nios2eb-unknown-none
-nios2el-elf			nios2el-unknown-elf
-nios2-elf			nios2-unknown-elf
-nios2el				nios2el-unknown-none
-nios2				nios2-unknown-none
-nios-elf			nios-unknown-elf
-nios				nios-unknown-none
-ns16k				ns16k-unknown-none
-ns32k				ns32k-unknown-none
-nvptx				nvptx-unknown-none
-open8-elf			open8-unknown-elf
-open8				open8-unknown-none
-openrisc-linux			or32-unknown-linux-gnu
-or1k64-unknown-linux		or1k64-unknown-linux-gnu
-or1k-company-elf		or1k-company-elf
-or1k-company-linux		or1k-company-linux-gnu
-or1k-elf			or1k-unknown-elf
-or1k-linux-gnu			or1k-unknown-linux-gnu
-or1k-linux			or1k-unknown-linux-gnu
-or1k-linux-uclibc		or1k-unknown-linux-uclibc
-or1knd-company-elf		or1knd-company-elf
-or1knd-company-linux		or1knd-company-linux-gnu
-or1knd-elf			or1knd-unknown-elf
-or1knd-linux-gnu		or1knd-unknown-linux-gnu
-or1knd-linux			or1knd-unknown-linux-gnu
-or1knd-linux-uclibc		or1knd-unknown-linux-uclibc
-or1knd				or1knd-unknown-none
-or1k				or1k-unknown-none
-or32-linux			or32-unknown-linux-gnu
-or32				or32-unknown-coff
-os400				powerpc-ibm-os400
-parisc				hppa-unknown-linux-gnu
-pc98-freebsd			i386-pc-freebsd
-pdp10				pdp10-unknown-tops20
-pdp11				pdp11-unknown-none
-picochip			picochip-unknown-none
-pjl				pjl-unknown-none
-pj				pj-unknown-none
-powerpc64le			powerpc64le-unknown-none
-powerpc64			powerpc64-unknown-none
-powerpc-bluegene		powerpc-ibm-cnk
-powerpc-cnk			powerpc-ibm-cnk
-powerpc-elf-lynxos5		powerpc-elf-lynxos5
-powerpc-elf-lynxos		powerpc-elf-lynxos
-powerpc-haiku			powerpc-unknown-haiku
-powerpcle			powerpcle-unknown-none
-powerpc				powerpc-unknown-none
-powerpc-xcoff-lynxos178		powerpc-xcoff-lynxos178
-ppcbe-elf			powerpc-unknown-elf
-ppcbe-none-elf			powerpc-none-elf
-ppcbe				powerpc-unknown-none
-ppc-elf				powerpc-unknown-elf
-ppcle-elf			powerpcle-unknown-elf
-ppcle-none-elf			powerpcle-none-elf
-ppcle				powerpcle-unknown-none
-ppc-none-elf			powerpc-none-elf
-ppc				powerpc-unknown-none
-pru-elf				pru-unknown-elf
-pru				pru-unknown-elf
-pyramid				pyramid-unknown-none
-rdos32				i386-pc-rdos
-rdos64				x86_64-pc-rdos
-rdos				x86_64-pc-rdos
-riscv32-company-elf		riscv32-company-elf
-riscv32-elf			riscv32-unknown-elf
-riscv32-linux			riscv32-unknown-linux-gnu
-riscv32				riscv32-unknown-none
-riscv64-company-elf		riscv64-company-elf
-riscv64-elf			riscv64-unknown-elf
-riscv64-linux			riscv64-unknown-linux-gnu
-riscv64				riscv64-unknown-none
-rl78-linux			rl78-unknown-linux-gnu
-rl78				rl78-unknown-none
-rx-linux			rx-unknown-linux-gnu
-rx				rx-unknown-none
-s390-ibm-zvmoe			s390-ibm-zvmoe
-score-elf			score-unknown-elf
-score				score-unknown-elf
-sde-elf				mipsisa32-sde-elf
-sh1-elf				sh1-unknown-elf
-sh1le-elf			sh1le-unknown-elf
-sh1				sh1-unknown-none
-sh2aeb-elf			sh2aeb-unknown-elf
-sh2aeb				sh2aeb-unknown-none
-sh2a-elf			sh2a-unknown-elf
-sh2a				sh2a-unknown-none
-sh2eb-elf			sh2eb-unknown-elf
-sh2eb				sh2eb-unknown-none
-sh2e-elf			sh2e-unknown-elf
-sh2-elf				sh2-unknown-elf
-sh2e				sh2e-unknown-none
-sh2le-elf			sh2le-unknown-elf
-sh2le				sh2le-unknown-none
-sh2				sh2-unknown-none
-sh3eb-elf			sh3eb-unknown-elf
-sh3e-elf			sh3e-unknown-elf
-sh3ele-elf			sh3ele-unknown-elf
-sh3ele				sh3ele-unknown-none
-sh3-elf				sh3-unknown-elf
-sh3le-elf			sh3le-unknown-elf
-sh3				sh3-unknown-none
-sh4aeb-elf			sh4aeb-unknown-elf
-sh4aeb				sh4aeb-unknown-none
-sh4a-elf			sh4a-unknown-elf
-sh4eb-elf			sh4eb-unknown-elf
-sh4-elf				sh4-unknown-elf
-sh4le-elf			sh4le-unknown-elf
-sh4				sh4-unknown-none
-sh5el-elf			sh5le-unknown-elf
-sh5el-netbsd			sh5le-unknown-netbsd
-sh64-elf			sh64-unknown-elf
-sh64le				sh64le-unknown-none
-sh64				sh64-unknown-none
-shbe-elf			shbe-unknown-elf
-shbe				shbe-unknown-none
-sheb-elf			sheb-unknown-elf
-sheb				sheb-unknown-none
-sh-elf				sh-unknown-elf
-shle-elf			shle-unknown-elf
-shle				shle-unknown-none
-sh				sh-unknown-none
-sh-toppers			sh-unknown-toppers
-sparc64b-linux			sparc64b-unknown-linux-gnu
-sparc64b			sparc64b-unknown-none
-sparc64-linux			sparc64-unknown-linux-gnu
-sparc64				sparc64-unknown-none
-sparc64v-elf			sparc64v-unknown-elf
-sparc64v-solaris2.9		sparc64v-unknown-solaris2.9
-sparc64v			sparc64v-unknown-none
-sparc86x			sparc86x-unknown-none
-sparc-haiku			sparc-unknown-haiku
-sparclet			sparclet-unknown-none
-sparclite			sparclite-unknown-none
-sparc				sparc-sun-sunos4.1.1
-sparcv8				sparcv8-unknown-none
-sparcv9b			sparcv9b-unknown-none
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