[PATCH, GAS, ARM] Improve indentation of ARM architecture declarations

[Thomas Preudhomme]

Hi,

This patch cleans up indentation of ARM architecture declaration, namely
entries of arm_archs and definition of macros ARM_EXT_*, ARM_AEXT_*,
ARM_AEXT2_*, FPU_EXT_*, FPU_ARCH_* and ARM_ARCH_*. It also gets rid of
unused ARM_ARCH_V6M-ONLY and merge AEM_AEXT_V6M_ONLY in ARM_AEXT_V6M now
sole user.

The result should hopefully be much clearer to read.

ChangeLog entries are as follow:

*** gas/ChangeLog ***

2017-11-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>

* config/tc-arm.c (arm_archs): Reindent.

*** include/ChangeLog ***

2018-11-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>

* opcode/arm.h (ARM_AEXT_V6M_ONLY): Merge into its use in ARM_AEXT_V6M.
(ARM_ARCH_V6M_ONLY): Remove.
(ARM_EXT_V1, ARM_EXT_V2, ARM_EXT_V2S, ARM_EXT_V3, ARM_EXT_V3M,
ARM_EXT_V4, ARM_EXT_V4T, ARM_EXT_V5, ARM_EXT_V5T, ARM_EXT_V5ExP,
ARM_EXT_V5E, ARM_EXT_V5J, ARM_EXT_V6, ARM_EXT_V6K, ARM_EXT_V8,
ARM_EXT_V6T2, ARM_EXT_DIV, ARM_EXT_V5E_NOTM, ARM_EXT_V6_NOTM,
ARM_EXT_V7, ARM_EXT_V7A, ARM_EXT_V7R, ARM_EXT_V7M, ARM_EXT_V6M,
ARM_EXT_BARRIER, ARM_EXT_THUMB_MSR, ARM_EXT_V6_DSP, ARM_EXT_MP,
ARM_EXT_SEC, ARM_EXT_OS, ARM_EXT_ADIV, ARM_EXT_VIRT, ARM_EXT2_PAN,
ARM_EXT2_V8_2A, ARM_EXT2_V8M, ARM_EXT2_ATOMICS, ARM_EXT2_V6T2_V8M,
ARM_EXT2_FP16_INST, ARM_EXT2_V8M_MAIN, ARM_EXT2_RAS, ARM_EXT2_V8_3A,
ARM_EXT2_V8A, ARM_EXT2_V8_4A, ARM_EXT2_FP16_FML, ARM_EXT2_V8_5A,
ARM_EXT2_SB, ARM_EXT2_PREDRES, ARM_CEXT_XSCALE, ARM_CEXT_MAVERICK,
ARM_CEXT_IWMMXT, ARM_CEXT_IWMMXT2, FPU_ENDIAN_PURE, FPU_ENDIAN_BIG,
FPU_FPA_EXT_V1, FPU_FPA_EXT_V2, FPU_MAVERICK, FPU_VFP_EXT_V1xD,
FPU_VFP_EXT_V1, FPU_VFP_EXT_V2, FPU_VFP_EXT_V3xD, FPU_VFP_EXT_V3,
FPU_NEON_EXT_V1, FPU_VFP_EXT_D32, FPU_VFP_EXT_FP16, FPU_NEON_EXT_FMA,
FPU_VFP_EXT_FMA, FPU_VFP_EXT_ARMV8, FPU_NEON_EXT_ARMV8,
FPU_CRYPTO_EXT_ARMV8, CRC_EXT_ARMV8, FPU_VFP_EXT_ARMV8xD,
FPU_NEON_EXT_RDMA, FPU_NEON_EXT_DOTPROD, ARM_AEXT_V1, ARM_AEXT_V2,
ARM_AEXT_V2S, ARM_AEXT_V3, ARM_AEXT_V3M, ARM_AEXT_V4xM, ARM_AEXT_V4,
ARM_AEXT_V4TxM, ARM_AEXT_V4T, ARM_AEXT_V5xM, ARM_AEXT_V5,
ARM_AEXT_V5TxM, ARM_AEXT_V5T, ARM_AEXT_V5TExP, ARM_AEXT_V5TE,
ARM_AEXT_V5TEJ, ARM_AEXT_V6, ARM_AEXT_V6K, ARM_AEXT_V6Z, ARM_AEXT_V6KZ,
ARM_AEXT_V6T2, ARM_AEXT_V6KT2, ARM_AEXT_V6ZT2, ARM_AEXT_V6KZT2,
ARM_AEXT_V7_ARM, ARM_AEXT_V7A, ARM_AEXT_V7VE, ARM_AEXT_V7R,
ARM_AEXT_NOTM, ARM_AEXT_V6M_ONLY, ARM_AEXT_V6M, ARM_AEXT_V6SM,
ARM_AEXT_V7M, ARM_AEXT_V7, ARM_AEXT_V7EM, ARM_AEXT_V8A, ARM_AEXT2_V8A,
ARM_AEXT2_V8_1A, ARM_AEXT2_V8_2A, ARM_AEXT2_V8_3A, ARM_AEXT2_V8_4A,
ARM_AEXT2_V8_5A, ARM_AEXT_V8M_BASE, ARM_AEXT_V8M_MAIN,
ARM_AEXT_V8M_MAIN_DSP, ARM_AEXT2_V8M, ARM_AEXT2_V8M_BASE,
ARM_AEXT2_V8M_MAIN, ARM_AEXT2_V8M_MAIN_DSP, ARM_AEXT_V8R,
ARM_AEXT2_V8R, FPU_VFP_V1xD, FPU_VFP_V1, FPU_VFP_V2, FPU_VFP_V3D16,
FPU_VFP_V3, FPU_VFP_V3xD, FPU_VFP_V4D16, FPU_VFP_V4, FPU_VFP_V4_SP_D16,
FPU_VFP_V5D16, FPU_VFP_ARMV8, FPU_NEON_ARMV8, FPU_CRYPTO_ARMV8,
FPU_VFP_HARD, FPU_FPA, FPU_ARCH_VFP, FPU_ARCH_FPE, FPU_ARCH_FPA,
FPU_ARCH_VFP_V1xD, FPU_ARCH_VFP_V1, FPU_ARCH_VFP_V2,
FPU_ARCH_VFP_V3D16_FP16, FPU_ARCH_VFP_V3, FPU_ARCH_VFP_V3_FP16,
FPU_ARCH_VFP_V3xD_FP16, FPU_ARCH_NEON_V1, FPU_ARCH_VFP_V3_PLUS_NEON_V1,
FPU_ARCH_NEON_FP16, FPU_ARCH_VFP_HARD, FPU_ARCH_VFP_V4,
FPU_ARCH_VFP_V4D16, FPU_ARCH_VFP_V4_SP_D16, FPU_ARCH_VFP_V5D16,
FPU_ARCH_VFP_V5_SP_D16, FPU_ARCH_NEON_VFP_V4, FPU_ARCH_VFP_ARMV8,
FPU_ARCH_NEON_VFP_ARMV8, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD, ARCH_CRC_ARMV8,
FPU_ARCH_NEON_VFP_ARMV8_1, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_1,
FPU_ARCH_DOTPROD_NEON_VFP_ARMV8, ARM_ARCH_V1, ARM_ARCH_V2,
ARM_ARCH_V2S, ARM_ARCH_V3, ARM_ARCH_V3M, ARM_ARCH_V4xM, ARM_ARCH_V4,
ARM_ARCH_V4TxM, ARM_ARCH_V4T, ARM_ARCH_V5xM, ARM_ARCH_V5,
ARM_ARCH_V5TxM, ARM_ARCH_V5T, ARM_ARCH_V5TExP, ARM_ARCH_V5TE,
ARM_ARCH_V5TEJ, ARM_ARCH_V6, ARM_ARCH_V6K, ARM_ARCH_V6Z, ARM_ARCH_V6KZ,
ARM_ARCH_V6T2, ARM_ARCH_V6KT2, ARM_ARCH_V6ZT2, ARM_ARCH_V6KZT2,
ARM_ARCH_V6M, ARM_ARCH_V6SM, ARM_ARCH_V7, ARM_ARCH_V7A, ARM_ARCH_V7VE,
ARM_ARCH_V7R, ARM_ARCH_V7M, ARM_ARCH_V7EM, ARM_ARCH_V8A,
ARM_ARCH_V8A_CRC, ARM_ARCH_V8_1A, ARM_ARCH_V8_2A, ARM_ARCH_V8_3A,
ARM_ARCH_V8_4A, ARM_ARCH_V8_5A, ARM_ARCH_V8M_BASE, ARM_ARCH_V8M_MAIN,
ARM_ARCH_V8M_MAIN_DSP, ARM_ARCH_V8R): Reindent.

Testing: testsuite shows no regression for arm-none-eabi targets.
ARM_ARCH_V6M was verified to have the same hex encoding in gdb before
and after the merging of ARM_AEXT_V6M_ONLY into ARM_AEXT_V6M.

Is it ok for master branch?

Best regards,

Thomas
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