From 3f25ddf24d55815ddd37fd97a9781e0b4e95f16f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niels=20M=C3=B6ller?= Date: Fri, 15 Mar 2013 08:20:39 +0100 Subject: [PATCH] ARM sha3 micro optimization: Eliminate a vmov. --- armv7/sha3-permute.asm | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/armv7/sha3-permute.asm b/armv7/sha3-permute.asm index 79ce9663..757fe20f 100644 --- a/armv7/sha3-permute.asm +++ b/armv7/sha3-permute.asm @@ -215,7 +215,7 @@ PROLOGUE(nettle_sha3_permute) ROL(A17, A11, 10) ROL(A11, A7, 6) ROL( A7, A10, 3) - vmov A10, T0 + C New A10 value left in T0 vbic C0, A2, A1 vbic C1, A3, A2 @@ -242,10 +242,10 @@ PROLOGUE(nettle_sha3_permute) vbic C0, A12, A11 vbic C1, A13, A12 vbic C2, A14, A13 - vbic C3, A10, A14 - vbic C4, A11, A10 + vbic C3, T0, A14 + vbic C4, A11, T0 - veor A10, A10, C0 + veor A10, T0, C0 veor QREG(A11), QREG(A11), QREG(C1) veor QREG(A13), QREG(A13), QREG(C3) -- GitLab