* cipher/Makefile.am: Add 'simd-common-ppc.h'.
* cipher/camellia-simd128.h
[HAVE_GCC_INLINE_ASM_PPC_ALTIVEC]: Include "simd-common-ppc.h".
[HAVE_GCC_INLINE_ASM_PPC_ALTIVEC] (memory_barrier_with_vec)
(clear_vec_regs): Remove.
* cipher/chacha20-p10le-8x.s (clear_vec_regs): New.
(_gcry_chacha20_p10le_8x): Add clear_vec_regs.
* cipher/chacha20-ppc.c: Include "simd-common-ppc.h".
(chacha20_ppc_blocks1, chacha20_ppc_blocks4)
(chacha20_poly1305_ppc_blocks4): Add clear_vec_regs.
* cipher/cipher-gcm-ppc.c: Include "simd-common-ppc.h".
(_gcry_ghash_setup_ppc_vpmsum, _gcry_ghash_ppc_vpmsum): Add
clear_vec_regs.
* cipher/poly1305-p10le.s (clear_vec_regs): New.
(gcry_poly1305_p10le_4blocks): Add clear_vec_regs.
* cipher/rijndael-p10le.c: Include "simd-common-ppc.h".
(_gcry_aes_p10le_gcm_crypt): Add clear_vec_regs.
* cipher/rijndael-ppc-common.h: Include "simd-common-ppc.h".
* cipher/rijndael-ppc-functions.h (ENCRYPT_BLOCK_FUNC):
(DECRYPT_BLOCK_FUNC, CFB_ENC_FUNC, ECB_CRYPT_FUNC, CFB_DEC_FUNC)
(CBC_ENC_FUNC, CBC_DEC_FUNC, CTR_ENC_FUNC, OCB_CRYPT_FUNC)
(OCB_AUTH_FUNC, XTS_CRYPT_FUNC, CTR32LE_ENC_FUNC): Add
clear_vec_regs.
* cipher/rijndael-ppc.c (_gcry_aes_ppc8_setkey)
(_gcry_aes_ppc8_prepare_decryption): Add clear_vec_regs.
* cipher/sha256-ppc.c: Include "simd-common-ppc.h".
(sha256_transform_ppc): Add clear_vec_regs.
* cipher/sha512-ppc.c: Include "simd-common-ppc.h".
(sha512_transform_ppc): Add clear_vec_regs.
* cipher/simd-common-ppc.h: New.
* cipher/sm4-ppc.c: Include "simd-common-ppc.h".
(sm4_ppc_crypt_blk1_16): Add clear_vec_regs.