motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 00:33:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/arm: Implement MVE fp vector comparisons

Browse source 
Implement the MVE fp vector comparisons VCMP and VPT.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Peter Maydell 2021-09-01 09:02:37 +01:00
parent 29f80e7d83
commit c87fe6d28c
4 changed files with 137 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

39
target/arm/mve.decode
View file

@ -124,6 +124,9 @@
@vcmp_scalar .... .... .. size:2 qn:3 . .... .... .... rm:4 &vcmp_scalar \
mask=%mask_22_13
@vcmp_fp .... .... .... qn:3 . .... .... .... .... &vcmp \
qm=%qm size=%2op_fp_scalar_size mask=%mask_22_13
@vmaxv .... .... .... size:2 .. rda:4 .... .... .... &vmaxv qm=%qm
@2op_fp .... .... .... .... .... .... .... .... &2op \
@ -671,17 +674,41 @@ VSHLC 111 0 1110 1 . 1 imm:5 ... 0 1111 1100 rdm:4 qd=%qd
# Comparisons. We expand out the conditions which are split across
# encodings T1, T2, T3 and the fc bits. These include VPT, which is
# effectively "VCMP then VPST". A plain "VCMP" has a mask field of zero.
VCMPEQ 1111 1110 0 . .. ... 1 ... 0 1111 0 0 . 0 ... 0 @vcmp
VCMPNE 1111 1110 0 . .. ... 1 ... 0 1111 1 0 . 0 ... 0 @vcmp
{
VCMPEQ_fp 111 . 1110 0 . 11 ... 1 ... 0 1111 0 0 . 0 ... 0 @vcmp_fp
VCMPEQ 111 1 1110 0 . .. ... 1 ... 0 1111 0 0 . 0 ... 0 @vcmp
}
{
VCMPNE_fp 111 . 1110 0 . 11 ... 1 ... 0 1111 1 0 . 0 ... 0 @vcmp_fp
VCMPNE 111 1 1110 0 . .. ... 1 ... 0 1111 1 0 . 0 ... 0 @vcmp
}
{
VCMPGE_fp 111 . 1110 0 . 11 ... 1 ... 1 1111 0 0 . 0 ... 0 @vcmp_fp
VCMPGE 111 1 1110 0 . .. ... 1 ... 1 1111 0 0 . 0 ... 0 @vcmp
}
{
VCMPLT_fp 111 . 1110 0 . 11 ... 1 ... 1 1111 1 0 . 0 ... 0 @vcmp_fp
VCMPLT 111 1 1110 0 . .. ... 1 ... 1 1111 1 0 . 0 ... 0 @vcmp
}
{
VCMPGT_fp 111 . 1110 0 . 11 ... 1 ... 1 1111 0 0 . 0 ... 1 @vcmp_fp
VCMPGT 111 1 1110 0 . .. ... 1 ... 1 1111 0 0 . 0 ... 1 @vcmp
}
{
VCMPLE_fp 111 . 1110 0 . 11 ... 1 ... 1 1111 1 0 . 0 ... 1 @vcmp_fp
VCMPLE 1111 1110 0 . .. ... 1 ... 1 1111 1 0 . 0 ... 1 @vcmp
}
{
VPSEL 1111 1110 0 . 11 ... 1 ... 0 1111 . 0 . 0 ... 1 @2op_nosz
VCMPCS 1111 1110 0 . .. ... 1 ... 0 1111 0 0 . 0 ... 1 @vcmp
VCMPHI 1111 1110 0 . .. ... 1 ... 0 1111 1 0 . 0 ... 1 @vcmp
}
VCMPGE 1111 1110 0 . .. ... 1 ... 1 1111 0 0 . 0 ... 0 @vcmp
VCMPLT 1111 1110 0 . .. ... 1 ... 1 1111 1 0 . 0 ... 0 @vcmp
VCMPGT 1111 1110 0 . .. ... 1 ... 1 1111 0 0 . 0 ... 1 @vcmp
VCMPLE 1111 1110 0 . .. ... 1 ... 1 1111 1 0 . 0 ... 1 @vcmp
{
VPNOT 1111 1110 0 0 11 000 1 000 0 1111 0100 1101