motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-04 08:13:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/arm: Implement MVE fp scalar comparisons

Browse source 
Implement the MVE fp scalar 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 c87fe6d28c
commit c2d8f6bb28
4 changed files with 131 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

61
target/arm/mve.decode
View file

@ -127,6 +127,11 @@
@vcmp_fp .... .... .... qn:3 . .... .... .... .... &vcmp \
qm=%qm size=%2op_fp_scalar_size mask=%mask_22_13
# Bit 28 is a 2op_fp_scalar_size bit, but we do not decode it in this
# format to avoid complicated overlapping-instruction-groups
@vcmp_fp_scalar .... .... .... qn:3 . .... .... .... rm:4 &vcmp_scalar \
mask=%mask_22_13
@vmaxv .... .... .... size:2 .. rda:4 .... .... .... &vmaxv qm=%qm
@2op_fp .... .... .... .... .... .... .... .... &2op \
@ -400,8 +405,10 @@ VDUP 1110 1110 1 0 10 ... 0 .... 1011 . 0 0 1 0000 @vdup size=2
VIWDUP 1110 1110 0 . .. ... 1 ... 0 1111 . 110 ... . @viwdup
}
{
VDDUP 1110 1110 0 . .. ... 1 ... 1 1111 . 110 111 . @vidup
VDWDUP 1110 1110 0 . .. ... 1 ... 1 1111 . 110 ... . @viwdup
VCMPGT_fp_scalar 1110 1110 0 . 11 ... 1 ... 1 1111 0110 .... @vcmp_fp_scalar size=2
VCMPLE_fp_scalar 1110 1110 0 . 11 ... 1 ... 1 1111 1110 .... @vcmp_fp_scalar size=2
VDDUP 1110 1110 0 . .. ... 1 ... 1 1111 . 110 111 . @vidup
VDWDUP 1110 1110 0 . .. ... 1 ... 1 1111 . 110 ... . @viwdup
}
# multiply-add long dual accumulate
@ -480,8 +487,17 @@ VMLADAV_U 1111 1110 1111 ... 0 ... . 1111 . 0 . 0 ... 1 @vmladav_nosz
# Scalar operations
VADD_scalar 1110 1110 0 . .. ... 1 ... 0 1111 . 100 .... @2scalar
VSUB_scalar 1110 1110 0 . .. ... 1 ... 1 1111 . 100 .... @2scalar
{
VCMPEQ_fp_scalar 1110 1110 0 . 11 ... 1 ... 0 1111 0100 .... @vcmp_fp_scalar size=2
VCMPNE_fp_scalar 1110 1110 0 . 11 ... 1 ... 0 1111 1100 .... @vcmp_fp_scalar size=2
VADD_scalar 1110 1110 0 . .. ... 1 ... 0 1111 . 100 .... @2scalar
}
{
VCMPLT_fp_scalar 1110 1110 0 . 11 ... 1 ... 1 1111 1100 .... @vcmp_fp_scalar size=2
VCMPGE_fp_scalar 1110 1110 0 . 11 ... 1 ... 1 1111 0100 .... @vcmp_fp_scalar size=2
VSUB_scalar 1110 1110 0 . .. ... 1 ... 1 1111 . 100 .... @2scalar
}
{
VSHL_S_scalar 1110 1110 0 . 11 .. 01 ... 1 1110 0110 .... @shl_scalar
@ -711,17 +727,38 @@ VSHLC 111 0 1110 1 . 1 imm:5 ... 0 1111 1100 rdm:4 qd=%qd
}
{
VPNOT 1111 1110 0 0 11 000 1 000 0 1111 0100 1101
VPST 1111 1110 0 . 11 000 1 ... 0 1111 0100 1101 mask=%mask_22_13
VCMPEQ_scalar 1111 1110 0 . .. ... 1 ... 0 1111 0 1 0 0 .... @vcmp_scalar
VPNOT 1111 1110 0 0 11 000 1 000 0 1111 0100 1101
VPST 1111 1110 0 . 11 000 1 ... 0 1111 0100 1101 mask=%mask_22_13
VCMPEQ_fp_scalar 1111 1110 0 . 11 ... 1 ... 0 1111 0100 .... @vcmp_fp_scalar size=1
VCMPEQ_scalar 1111 1110 0 . .. ... 1 ... 0 1111 0100 .... @vcmp_scalar
}
VCMPNE_scalar 1111 1110 0 . .. ... 1 ... 0 1111 1 1 0 0 .... @vcmp_scalar
{
VCMPNE_fp_scalar 1111 1110 0 . 11 ... 1 ... 0 1111 1100 .... @vcmp_fp_scalar size=1
VCMPNE_scalar 1111 1110 0 . .. ... 1 ... 0 1111 1100 .... @vcmp_scalar
}
{
VCMPGT_fp_scalar 1111 1110 0 . 11 ... 1 ... 1 1111 0110 .... @vcmp_fp_scalar size=1
VCMPGT_scalar 1111 1110 0 . .. ... 1 ... 1 1111 0110 .... @vcmp_scalar
}
{
VCMPLE_fp_scalar 1111 1110 0 . 11 ... 1 ... 1 1111 1110 .... @vcmp_fp_scalar size=1
VCMPLE_scalar 1111 1110 0 . .. ... 1 ... 1 1111 1110 .... @vcmp_scalar
}
{
VCMPGE_fp_scalar 1111 1110 0 . 11 ... 1 ... 1 1111 0100 .... @vcmp_fp_scalar size=1
VCMPGE_scalar 1111 1110 0 . .. ... 1 ... 1 1111 0100 .... @vcmp_scalar
}
{
VCMPLT_fp_scalar 1111 1110 0 . 11 ... 1 ... 1 1111 1100 .... @vcmp_fp_scalar size=1
VCMPLT_scalar 1111 1110 0 . .. ... 1 ... 1 1111 1100 .... @vcmp_scalar
}
VCMPCS_scalar 1111 1110 0 . .. ... 1 ... 0 1111 0 1 1 0 .... @vcmp_scalar
VCMPHI_scalar 1111 1110 0 . .. ... 1 ... 0 1111 1 1 1 0 .... @vcmp_scalar
VCMPGE_scalar 1111 1110 0 . .. ... 1 ... 1 1111 0 1 0 0 .... @vcmp_scalar
VCMPLT_scalar 1111 1110 0 . .. ... 1 ... 1 1111 1 1 0 0 .... @vcmp_scalar
VCMPGT_scalar 1111 1110 0 . .. ... 1 ... 1 1111 0 1 1 0 .... @vcmp_scalar
VCMPLE_scalar 1111 1110 0 . .. ... 1 ... 1 1111 1 1 1 0 .... @vcmp_scalar
# 2-operand FP
VADD_fp 1110 1111 0 . 0 . ... 0 ... 0 1101 . 1 . 0 ... 0 @2op_fp