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authorRichard Henderson <richard.henderson@linaro.org>2021-05-24 18:03:22 -0700
committerPeter Maydell <peter.maydell@linaro.org>2021-05-25 16:01:44 +0100
commitc5c455d78370a986edbad21e6ff88a37ab3e1039 (patch)
tree2e3845663f749c40a5bb51d2000f266640d597b5 /target/arm/sve.decode
parent75d6d5fc330adc239f6383785bef3625c75af8b6 (diff)
target/arm: Implement SVE2 saturating multiply-add (indexed)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210525010358.152808-57-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/sve.decode')
-rw-r--r--target/arm/sve.decode18
1 files changed, 18 insertions, 0 deletions
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 1956d96ad5..8d2709d3cc 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -30,6 +30,8 @@
%size_23 23:2
%dtype_23_13 23:2 13:2
%index3_22_19 22:1 19:2
+%index3_19_11 19:2 11:1
+%index2_20_11 20:1 11:1
# A combination of tsz:imm3 -- extract esize.
%tszimm_esz 22:2 5:5 !function=tszimm_esz
@@ -261,6 +263,12 @@
@rrxr_1 ........ .. . index:1 rm:4 ...... rn:5 rd:5 \
&rrxr_esz ra=%reg_movprfx
+# Three registers and a scalar by N-bit index, alternate
+@rrxr_3a ........ .. ... rm:3 ...... rn:5 rd:5 \
+ &rrxr_esz ra=%reg_movprfx index=%index3_19_11
+@rrxr_2a ........ .. .. rm:4 ...... rn:5 rd:5 \
+ &rrxr_esz ra=%reg_movprfx index=%index2_20_11
+
###########################################################################
# Instruction patterns. Grouped according to the SVE encodingindex.xhtml.
@@ -799,6 +807,16 @@ SQRDMLSH_zzxz_h 01000100 0. 1 ..... 000101 ..... ..... @rrxr_3 esz=1
SQRDMLSH_zzxz_s 01000100 10 1 ..... 000101 ..... ..... @rrxr_2 esz=2
SQRDMLSH_zzxz_d 01000100 11 1 ..... 000101 ..... ..... @rrxr_1 esz=3
+# SVE2 saturating multiply-add (indexed)
+SQDMLALB_zzxw_s 01000100 10 1 ..... 0010.0 ..... ..... @rrxr_3a esz=2
+SQDMLALB_zzxw_d 01000100 11 1 ..... 0010.0 ..... ..... @rrxr_2a esz=3
+SQDMLALT_zzxw_s 01000100 10 1 ..... 0010.1 ..... ..... @rrxr_3a esz=2
+SQDMLALT_zzxw_d 01000100 11 1 ..... 0010.1 ..... ..... @rrxr_2a esz=3
+SQDMLSLB_zzxw_s 01000100 10 1 ..... 0011.0 ..... ..... @rrxr_3a esz=2
+SQDMLSLB_zzxw_d 01000100 11 1 ..... 0011.0 ..... ..... @rrxr_2a esz=3
+SQDMLSLT_zzxw_s 01000100 10 1 ..... 0011.1 ..... ..... @rrxr_3a esz=2
+SQDMLSLT_zzxw_d 01000100 11 1 ..... 0011.1 ..... ..... @rrxr_2a esz=3
+
# SVE2 integer multiply (indexed)
MUL_zzx_h 01000100 0. 1 ..... 111110 ..... ..... @rrx_3 esz=1
MUL_zzx_s 01000100 10 1 ..... 111110 ..... ..... @rrx_2 esz=2