diff options
| author | Richard Henderson | 2021-05-25 03:03:17 +0200 |
|---|---|---|
| committer | Peter Maydell | 2021-05-25 17:01:44 +0200 |
| commit | 1c737d9c5f133bc83f69ae1e81fd424e1e32b4c2 (patch) | |
| tree | 3752d3d6f9e47e08f30cf6cb5f5c30093f9f3c9d | |
| parent | target/arm: Pass separate addend to FCMLA helpers (diff) | |
| download | qemu-1c737d9c5f133bc83f69ae1e81fd424e1e32b4c2.tar.gz qemu-1c737d9c5f133bc83f69ae1e81fd424e1e32b4c2.tar.xz qemu-1c737d9c5f133bc83f69ae1e81fd424e1e32b4c2.zip | |
target/arm: Split out formats for 2 vectors + 1 index
Currently only used by FMUL, but will shortly be used more.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-52-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | target/arm/sve.decode | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 04ef38f148..a504b55dad 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -67,6 +67,7 @@ &rri_esz rd rn imm esz &rrri_esz rd rn rm imm esz &rrr_esz rd rn rm esz +&rrx_esz rd rn rm index esz &rpr_esz rd pg rn esz &rpr_s rd pg rn s &rprr_s rd pg rn rm s @@ -245,6 +246,12 @@ @rpri_scatter_store ....... msz:2 .. imm:5 ... pg:3 rn:5 rd:5 \ &rpri_scatter_store +# Two registers and a scalar by N-bit index +@rrx_3 ........ .. . .. rm:3 ...... rn:5 rd:5 \ + &rrx_esz index=%index3_22_19 +@rrx_2 ........ .. . index:2 rm:3 ...... rn:5 rd:5 &rrx_esz +@rrx_1 ........ .. . index:1 rm:4 ...... rn:5 rd:5 &rrx_esz + ########################################################################### # Instruction patterns. Grouped according to the SVE encodingindex.xhtml. @@ -792,10 +799,9 @@ FMLA_zzxz 01100100 111 index:1 rm:4 00000 sub:1 rn:5 rd:5 \ ### SVE FP Multiply Indexed Group # SVE floating-point multiply (indexed) -FMUL_zzx 01100100 0.1 .. rm:3 001000 rn:5 rd:5 \ - index=%index3_22_19 esz=1 -FMUL_zzx 01100100 101 index:2 rm:3 001000 rn:5 rd:5 esz=2 -FMUL_zzx 01100100 111 index:1 rm:4 001000 rn:5 rd:5 esz=3 +FMUL_zzx 01100100 0. 1 ..... 001000 ..... ..... @rrx_3 esz=1 +FMUL_zzx 01100100 10 1 ..... 001000 ..... ..... @rrx_2 esz=2 +FMUL_zzx 01100100 11 1 ..... 001000 ..... ..... @rrx_1 esz=3 ### SVE FP Fast Reduction Group |