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| author | Peter Maydell <peter.maydell@linaro.org> | 2021-09-01 09:02:37 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-09-01 11:08:17 +0100 |
| commit | c2d8f6bb28ffc5c9e4e465604ccdf7a08b7e3568 (patch) | |
| tree | 3787759e8d01d16383c6d76f77b18e3ddaa58754 /target/arm/mve.decode | |
| parent | c87fe6d28cb08cd02288e915488fb86816ae99fe (diff) | |
| download | qemu-c2d8f6bb28ffc5c9e4e465604ccdf7a08b7e3568.zip qemu-c2d8f6bb28ffc5c9e4e465604ccdf7a08b7e3568.tar.gz qemu-c2d8f6bb28ffc5c9e4e465604ccdf7a08b7e3568.tar.bz2 | |
target/arm: Implement MVE fp scalar comparisons
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>
Diffstat (limited to 'target/arm/mve.decode')
| -rw-r--r-- | target/arm/mve.decode | 61 |
1 files changed, 49 insertions, 12 deletions
diff --git a/target/arm/mve.decode b/target/arm/mve.decode index 49b7ef3..f1b8afb 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -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 |