motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 16:53:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/arm: Convert rax1 to gvec helpers

Browse source 
With this conversion, we will be able to use the same helpers
with sve.  This also fixes a bug in which we failed to clear
the high bits of the SVE register after an AdvSIMD operation.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200514212831.31248-3-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2020-05-14 14:28:27 -07:00 • committed by Peter Maydell
parent a04b68e1d4
commit 1738860d7e
4 changed files with 47 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

11
target/arm/crypto_helper.c
View file

@ -725,3 +725,14 @@ void HELPER(crypto_sm4ekey)(void *vd, void *vn, void* vm, uint32_t desc)
}
clear_tail(vd, opr_sz, simd_maxsz(desc));
}
void HELPER(crypto_rax1)(void *vd, void *vn, void *vm, uint32_t desc)
{
intptr_t i, opr_sz = simd_oprsz(desc);
uint64_t *d = vd, *n = vn, *m = vm;
for (i = 0; i < opr_sz / 8; ++i) {
d[i] = n[i] ^ rol64(m[i], 1);
}
clear_tail(vd, opr_sz, simd_maxsz(desc));
}