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authorAndy Polyakov <appro@openssl.org>2016-06-18 15:49:57 +0200
committerAndy Polyakov <appro@openssl.org>2016-06-20 12:31:39 +0200
commitc3bc7f498815b355533d96b54b9a09e030d4130c (patch)
treee97b33d2f800d4744dd9619ce6b8c43f09ed4b07 /crypto/aes
parentb62e9bf5cbbe278b7e0017c9234999dae68ee867 (diff)
aes/asm/bsaes-armv7.pl: omit redundant stores in XTS subroutines.
Reviewed-by: Rich Salz <rsalz@openssl.org> (cherry picked from commit 4973a60cb92dc121fc09246bff3815afc0f8ab9a)
Diffstat (limited to 'crypto/aes')
-rw-r--r--crypto/aes/asm/bsaes-armv7.pl22
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