motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-06 17:23:56 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/arm: Implement MVE VABAV

Browse source 
Implement the MVE VABAV insn, which computes absolute differences
between elements of two vectors and accumulates the result into
a general purpose register.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Peter Maydell 2021-08-13 17:11:53 +01:00
parent 688ba4cf33
commit 7f061c0ab9
4 changed files with 82 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

6
target/arm/mve.decode
View file

@ -41,6 +41,7 @@
&vcmp_scalar qn rm size mask
&shl_scalar qda rm size
&vmaxv qm rda size
&vabav qn qm rda size
@vldr_vstr ....... . . . . l:1 rn:4 ... ...... imm:7 &vldr_vstr qd=%qd u=0
# Note that both Rn and Qd are 3 bits only (no D bit)
@ -386,6 +387,11 @@ VMLAS 111- 1110 0 . .. ... 1 ... 1 1110 . 100 .... @2scalar
rdahi=%rdahi rdalo=%rdalo
}
@vabav .... .... .. size:2 .... rda:4 .... .... .... &vabav qn=%qn qm=%qm
VABAV_S 111 0 1110 10 .. ... 0 .... 1111 . 0 . 0 ... 1 @vabav
VABAV_U 111 1 1110 10 .. ... 0 .... 1111 . 0 . 0 ... 1 @vabav
# Logical immediate operations (1 reg and modified-immediate)
# The cmode/op bits here decode VORR/VBIC/VMOV/VMVN, but