提交 e53b43d8 编写于 作者: A Ard Biesheuvel 提交者: Herbert Xu

crypto: arm/aes-ce - replace tweak mask literal with composition

Replace the vector load from memory sequence with a simple instruction
sequence to compose the tweak vector directly.
Signed-off-by: NArd Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
上级 1dede02b
无相关合并请求
......@@ -382,13 +382,10 @@ ENDPROC(ce_aes_ctr_encrypt)
veor \out, \out, \tmp
.endm
.align 3
.Lxts_mul_x:
.quad 1, 0x87
ce_aes_xts_init:
vldr d30, .Lxts_mul_x
vldr d31, .Lxts_mul_x + 8
vmov.i32 d30, #0x87 @ compose tweak mask vector
vmovl.u32 q15, d30
vshr.u64 d30, d31, #7
ldrd r4, r5, [sp, #16] @ load args
ldr r6, [sp, #28]
......
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