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x86/crypto/aesni-intel_avx: Fix register usage comments
Fix register usage comments to match reality. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Tested-by: Ard Biesheuvel <ardb@kernel.org> Acked-by: Ard Biesheuvel <ardb@kernel.org> Tested-by: Sami Tolvanen <samitolvanen@google.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Link: https://lore.kernel.org/r/8655d4513a0ed1eddec609165064153973010aa2.1614182415.git.jpoimboe@redhat.com
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1 changed files with 5 additions and 5 deletions
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@ -286,7 +286,7 @@ VARIABLE_OFFSET = 16*8
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# combined for GCM encrypt and decrypt functions
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# clobbering all xmm registers
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# clobbering r10, r11, r12, r13, r14, r15
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# clobbering r10, r11, r12, r13, r15, rax
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.macro GCM_ENC_DEC INITIAL_BLOCKS GHASH_8_ENCRYPT_8_PARALLEL GHASH_LAST_8 GHASH_MUL ENC_DEC REP
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vmovdqu AadHash(arg2), %xmm8
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vmovdqu HashKey(arg2), %xmm13 # xmm13 = HashKey
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@ -988,7 +988,7 @@ _partial_block_done_\@:
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## num_initial_blocks = b mod 4#
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## encrypt the initial num_initial_blocks blocks and apply ghash on the ciphertext
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## r10, r11, r12, rax are clobbered
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## arg1, arg3, arg4, r14 are used as a pointer only, not modified
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## arg1, arg2, arg3, arg4 are used as pointers only, not modified
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.macro INITIAL_BLOCKS_AVX REP num_initial_blocks T1 T2 T3 T4 T5 CTR XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 T6 T_key ENC_DEC
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i = (8-\num_initial_blocks)
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@ -1223,7 +1223,7 @@ _initial_blocks_done\@:
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# encrypt 8 blocks at a time
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# ghash the 8 previously encrypted ciphertext blocks
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# arg1, arg3, arg4 are used as pointers only, not modified
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# arg1, arg2, arg3, arg4 are used as pointers only, not modified
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# r11 is the data offset value
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.macro GHASH_8_ENCRYPT_8_PARALLEL_AVX REP T1 T2 T3 T4 T5 T6 CTR XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 T7 loop_idx ENC_DEC
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@ -1936,7 +1936,7 @@ SYM_FUNC_END(aesni_gcm_finalize_avx_gen2)
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## num_initial_blocks = b mod 4#
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## encrypt the initial num_initial_blocks blocks and apply ghash on the ciphertext
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## r10, r11, r12, rax are clobbered
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## arg1, arg3, arg4, r14 are used as a pointer only, not modified
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## arg1, arg2, arg3, arg4 are used as pointers only, not modified
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.macro INITIAL_BLOCKS_AVX2 REP num_initial_blocks T1 T2 T3 T4 T5 CTR XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 T6 T_key ENC_DEC VER
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i = (8-\num_initial_blocks)
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@ -2178,7 +2178,7 @@ _initial_blocks_done\@:
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# encrypt 8 blocks at a time
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# ghash the 8 previously encrypted ciphertext blocks
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# arg1, arg3, arg4 are used as pointers only, not modified
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# arg1, arg2, arg3, arg4 are used as pointers only, not modified
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# r11 is the data offset value
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.macro GHASH_8_ENCRYPT_8_PARALLEL_AVX2 REP T1 T2 T3 T4 T5 T6 CTR XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 T7 loop_idx ENC_DEC
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