diff options
author | Andy Polyakov <appro@openssl.org> | 2016-06-18 15:49:57 +0200 |
---|---|---|
committer | Andy Polyakov <appro@openssl.org> | 2016-06-20 12:31:39 +0200 |
commit | c3bc7f498815b355533d96b54b9a09e030d4130c (patch) | |
tree | e97b33d2f800d4744dd9619ce6b8c43f09ed4b07 | |
parent | b62e9bf5cbbe278b7e0017c9234999dae68ee867 (diff) |
aes/asm/bsaes-armv7.pl: omit redundant stores in XTS subroutines.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 4973a60cb92dc121fc09246bff3815afc0f8ab9a)
-rw-r--r-- | crypto/aes/asm/bsaes-armv7.pl | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/crypto/aes/asm/bsaes-armv7.pl b/crypto/aes/asm/bsaes-armv7.pl index 0c9ddf64f9..83343e2de1 100644 --- a/crypto/aes/asm/bsaes-armv7.pl +++ b/crypto/aes/asm/bsaes-armv7.pl @@ -1797,8 +1797,6 @@ $code.=<<___; b .Lxts_enc_done .align 4 .Lxts_enc_6: - vst1.64 {@XMM[14]}, [r0,:128] @ next round tweak - veor @XMM[4], @XMM[4], @XMM[12] #ifndef BSAES_ASM_EXTENDED_KEY add r4, sp, #0x90 @ pass key schedule @@ -1834,8 +1832,6 @@ $code.=<<___; .align 5 .Lxts_enc_5: - vst1.64 {@XMM[13]}, [r0,:128] @ next round tweak - veor @XMM[3], @XMM[3], @XMM[11] #ifndef BSAES_ASM_EXTENDED_KEY add r4, sp, #0x90 @ pass key schedule @@ -1864,8 +1860,6 @@ $code.=<<___; b .Lxts_enc_done .align 4 .Lxts_enc_4: - vst1.64 {@XMM[12]}, [r0,:128] @ next round tweak - veor @XMM[2], @XMM[2], @XMM[10] #ifndef BSAES_ASM_EXTENDED_KEY add r4, sp, #0x90 @ pass key schedule @@ -1891,8 +1885,6 @@ $code.=<<___; b .Lxts_enc_done .align 4 .Lxts_enc_3: - vst1.64 {@XMM[11]}, [r0,:128] @ next round tweak - veor @XMM[1], @XMM[1], @XMM[9] #ifndef BSAES_ASM_EXTENDED_KEY add r4, sp, #0x90 @ pass key schedule @@ -1917,8 +1909,6 @@ $code.=<<___; b .Lxts_enc_done .align 4 .Lxts_enc_2: - vst1.64 {@XMM[10]}, [r0,:128] @ next round tweak - veor @XMM[0], @XMM[0], @XMM[8] #ifndef BSAES_ASM_EXTENDED_KEY add r4, sp, #0x90 @ pass key schedule @@ -1941,7 +1931,7 @@ $code.=<<___; .align 4 .Lxts_enc_1: mov r0, sp - veor @XMM[0], @XMM[8] + veor @XMM[0], @XMM[0], @XMM[8] mov r1, sp vst1.8 {@XMM[0]}, [sp,:128] mov r2, $key @@ -2251,8 +2241,6 @@ $code.=<<___; b .Lxts_dec_done .align 4 .Lxts_dec_5: - vst1.64 {@XMM[13]}, [r0,:128] @ next round tweak - veor @XMM[3], @XMM[3], @XMM[11] #ifndef BSAES_ASM_EXTENDED_KEY add r4, sp, #0x90 @ pass key schedule @@ -2281,8 +2269,6 @@ $code.=<<___; b .Lxts_dec_done .align 4 .Lxts_dec_4: - vst1.64 {@XMM[12]}, [r0,:128] @ next round tweak - veor @XMM[2], @XMM[2], @XMM[10] #ifndef BSAES_ASM_EXTENDED_KEY add r4, sp, #0x90 @ pass key schedule @@ -2308,8 +2294,6 @@ $code.=<<___; b .Lxts_dec_done .align 4 .Lxts_dec_3: - vst1.64 {@XMM[11]}, [r0,:128] @ next round tweak - veor @XMM[1], @XMM[1], @XMM[9] #ifndef BSAES_ASM_EXTENDED_KEY add r4, sp, #0x90 @ pass key schedule @@ -2334,8 +2318,6 @@ $code.=<<___; b .Lxts_dec_done .align 4 .Lxts_dec_2: - vst1.64 {@XMM[10]}, [r0,:128] @ next round tweak - veor @XMM[0], @XMM[0], @XMM[8] #ifndef BSAES_ASM_EXTENDED_KEY add r4, sp, #0x90 @ pass key schedule @@ -2358,7 +2340,7 @@ $code.=<<___; .align 4 .Lxts_dec_1: mov r0, sp - veor @XMM[0], @XMM[8] + veor @XMM[0], @XMM[0], @XMM[8] mov r1, sp vst1.8 {@XMM[0]}, [sp,:128] mov r5, $magic @ preserve magic |