mirror of https://github.com/openssl/openssl.git
[RISC-V] Further optimization for AES-128-CBC decryption performance
Reviewed-by: Neil Horman <nhorman@openssl.org> Reviewed-by: Paul Dale <ppzgs1@gmail.com> (Merged from https://github.com/openssl/openssl/pull/28048)
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zhoulu
Neil Horman
parent
252046cfc2
commit
5f99d76e28
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@ -210,6 +210,88 @@ ___
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return $code;
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}
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# aes-128 decryption with round keys v1-v11
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sub aes_128_decrypt_6 {
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my $code=<<___;
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@{[vaesz_vs $V24, $V11]} # with round key w[40,43]
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@{[vaesz_vs $V25, $V11]} # with round key w[40,43]
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@{[vaesz_vs $V26, $V11]} # with round key w[40,43]
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@{[vaesz_vs $V27, $V11]} # with round key w[40,43]
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@{[vaesz_vs $V28, $V11]} # with round key w[40,43]
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@{[vaesz_vs $V29, $V11]} # with round key w[40,43]
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@{[vaesdm_vs $V24, $V10]} # with round key w[36,39]
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@{[vaesdm_vs $V25, $V10]} # with round key w[36,39]
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@{[vaesdm_vs $V26, $V10]} # with round key w[36,39]
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@{[vaesdm_vs $V27, $V10]} # with round key w[36,39]
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@{[vaesdm_vs $V28, $V10]} # with round key w[36,39]
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@{[vaesdm_vs $V29, $V10]} # with round key w[36,39]
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@{[vaesdm_vs $V24, $V9]} # with round key w[32,35]
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@{[vaesdm_vs $V25, $V9]} # with round key w[32,35]
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@{[vaesdm_vs $V26, $V9]} # with round key w[32,35]
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@{[vaesdm_vs $V27, $V9]} # with round key w[32,35]
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@{[vaesdm_vs $V28, $V9]} # with round key w[32,35]
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@{[vaesdm_vs $V29, $V9]} # with round key w[32,35]
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@{[vaesdm_vs $V24, $V8]} # with round key w[28,31]
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@{[vaesdm_vs $V25, $V8]} # with round key w[28,31]
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@{[vaesdm_vs $V26, $V8]} # with round key w[28,31]
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@{[vaesdm_vs $V27, $V8]} # with round key w[28,31]
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@{[vaesdm_vs $V28, $V8]} # with round key w[28,31]
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@{[vaesdm_vs $V29, $V8]} # with round key w[28,31]
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@{[vaesdm_vs $V24, $V7]} # with round key w[24,27]
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@{[vaesdm_vs $V25, $V7]} # with round key w[24,27]
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@{[vaesdm_vs $V26, $V7]} # with round key w[24,27]
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@{[vaesdm_vs $V27, $V7]} # with round key w[24,27]
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@{[vaesdm_vs $V28, $V7]} # with round key w[24,27]
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@{[vaesdm_vs $V29, $V7]} # with round key w[24,27]
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@{[vaesdm_vs $V24, $V6]} # with round key w[20,23]
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@{[vaesdm_vs $V25, $V6]} # with round key w[20,23]
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@{[vaesdm_vs $V26, $V6]} # with round key w[20,23]
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@{[vaesdm_vs $V27, $V6]} # with round key w[20,23]
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@{[vaesdm_vs $V28, $V6]} # with round key w[20,23]
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@{[vaesdm_vs $V29, $V6]} # with round key w[20,23]
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@{[vaesdm_vs $V24, $V5]} # with round key w[16,19]
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@{[vaesdm_vs $V25, $V5]} # with round key w[16,19]
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@{[vaesdm_vs $V26, $V5]} # with round key w[16,19]
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@{[vaesdm_vs $V27, $V5]} # with round key w[16,19]
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@{[vaesdm_vs $V28, $V5]} # with round key w[16,19]
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@{[vaesdm_vs $V29, $V5]} # with round key w[16,19]
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@{[vaesdm_vs $V24, $V4]} # with round key w[12,15]
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@{[vaesdm_vs $V25, $V4]} # with round key w[12,15]
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@{[vaesdm_vs $V26, $V4]} # with round key w[12,15]
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@{[vaesdm_vs $V27, $V4]} # with round key w[12,15]
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@{[vaesdm_vs $V28, $V4]} # with round key w[12,15]
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@{[vaesdm_vs $V29, $V4]} # with round key w[12,15]
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@{[vaesdm_vs $V24, $V3]} # with round key w[ 8,11]
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@{[vaesdm_vs $V25, $V3]} # with round key w[ 8,11]
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@{[vaesdm_vs $V26, $V3]} # with round key w[ 8,11]
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@{[vaesdm_vs $V27, $V3]} # with round key w[ 8,11]
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@{[vaesdm_vs $V28, $V3]} # with round key w[ 8,11]
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@{[vaesdm_vs $V29, $V3]} # with round key w[ 8,11]
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@{[vaesdm_vs $V24, $V2]} # with round key w[ 4, 7]
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@{[vaesdm_vs $V25, $V2]} # with round key w[ 4, 7]
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@{[vaesdm_vs $V26, $V2]} # with round key w[ 4, 7]
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@{[vaesdm_vs $V27, $V2]} # with round key w[ 4, 7]
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@{[vaesdm_vs $V28, $V2]} # with round key w[ 4, 7]
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@{[vaesdm_vs $V29, $V2]} # with round key w[ 4, 7]
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@{[vaesdf_vs $V24, $V1]} # with round key w[ 0, 3]
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@{[vaesdf_vs $V25, $V1]} # with round key w[ 0, 3]
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@{[vaesdf_vs $V26, $V1]} # with round key w[ 0, 3]
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@{[vaesdf_vs $V27, $V1]} # with round key w[ 0, 3]
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@{[vaesdf_vs $V28, $V1]} # with round key w[ 0, 3]
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@{[vaesdf_vs $V29, $V1]} # with round key w[ 0, 3]
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___
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return $code;
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}
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# aes-192 encryption with round keys v1-v13
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sub aes_192_encrypt {
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my $code=<<___;
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@ -481,6 +563,61 @@ L_cbc_dec_128:
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# Load IV.
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@{[vle32_v $V16, $IVP]}
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li $T1, 96
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3:
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blt $LEN, $T1, L_small
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@{[vle32_v $V24, $INP]}
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addi $INP, $INP, 16
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@{[vle32_v $V25, $INP]}
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addi $INP, $INP, 16
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@{[vle32_v $V26, $INP]}
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addi $INP, $INP, 16
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@{[vle32_v $V27, $INP]}
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addi $INP, $INP, 16
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@{[vle32_v $V28, $INP]}
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addi $INP, $INP, 16
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@{[vle32_v $V29, $INP]}
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addi $INP, $INP, 16
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@{[vmv_v_v $V17, $V24]}
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@{[vmv_v_v $V18, $V25]}
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@{[vmv_v_v $V19, $V26]}
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@{[vmv_v_v $V20, $V27]}
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@{[vmv_v_v $V21, $V28]}
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@{[vmv_v_v $V22, $V29]}
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@{[aes_128_decrypt_6]}
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@{[vxor_vv $V24, $V24, $V16]}
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@{[vxor_vv $V25, $V25, $V17]}
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@{[vxor_vv $V26, $V26, $V18]}
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@{[vxor_vv $V27, $V27, $V19]}
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@{[vxor_vv $V28, $V28, $V20]}
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@{[vxor_vv $V29, $V29, $V21]}
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@{[vse32_v $V24, $OUTP]}
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addi $OUTP, $OUTP, 16
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@{[vse32_v $V25, $OUTP]}
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addi $OUTP, $OUTP, 16
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@{[vse32_v $V26, $OUTP]}
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addi $OUTP, $OUTP, 16
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@{[vse32_v $V27, $OUTP]}
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addi $OUTP, $OUTP, 16
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@{[vse32_v $V28, $OUTP]}
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addi $OUTP, $OUTP, 16
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@{[vse32_v $V29, $OUTP]}
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addi $OUTP, $OUTP, 16
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@{[vmv_v_v $V16, $V22]}
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addi $LEN, $LEN, -96
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bnez $LEN, 3b
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@{[vse32_v $V16, $IVP]}
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ret
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L_small:
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@{[vle32_v $V24, $INP]}
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@{[vmv_v_v $V17, $V24]}
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j 2f
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