target/arm: Implement SVE2 integer add/subtract interleaved long

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index fbfd57b23a8c064523a36904ab0c1e8b8def5540..12be0584a8c5c7e8a0c03a475a57463203ea68ad 100644 (file)
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -1178,3 +1178,9 @@ SABDLB          01000101 .. 0 ..... 00 1100 ..... .....  @rd_rn_rm
 SABDLT          01000101 .. 0 ..... 00 1101 ..... .....  @rd_rn_rm
 UABDLB          01000101 .. 0 ..... 00 1110 ..... .....  @rd_rn_rm
 UABDLT          01000101 .. 0 ..... 00 1111 ..... .....  @rd_rn_rm
+
+## SVE2 integer add/subtract interleaved long
+
+SADDLBT         01000101 .. 0 ..... 1000 00 ..... .....  @rd_rn_rm
+SSUBLBT         01000101 .. 0 ..... 1000 10 ..... .....  @rd_rn_rm
+SSUBLTB         01000101 .. 0 ..... 1000 11 ..... .....  @rd_rn_rm

diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 22983b3b85ac59492276c5eb1d528ec0384852a6..ae8323adb7d3bbb59fc563ee4e0ecb2c35abdf70 100644 (file)
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -6016,3 +6016,7 @@ DO_SVE2_ZZZ_TB(SABDLT, sabdl, true, true)
 DO_SVE2_ZZZ_TB(UADDLT, uaddl, true, true)
 DO_SVE2_ZZZ_TB(USUBLT, usubl, true, true)
 DO_SVE2_ZZZ_TB(UABDLT, uabdl, true, true)
+
+DO_SVE2_ZZZ_TB(SADDLBT, saddl, false, true)
+DO_SVE2_ZZZ_TB(SSUBLBT, ssubl, false, true)
+DO_SVE2_ZZZ_TB(SSUBLTB, ssubl, true, false)