Commit e56b670ea1 for qemu.org
commit e56b670ea130b05c6abd3218357996a14c88338d
Author: Richard Henderson <richard.henderson@linaro.org>
Date: Tue Aug 11 20:14:11 2026 +0100
target/arm: Implement {S,SU,US,U}TMOPA (4-way)
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20260713230244.70174-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/target/arm/tcg/helper-sme-defs.h b/target/arm/tcg/helper-sme-defs.h
index 1de72b7472..b8cb643367 100644
--- a/target/arm/tcg/helper-sme-defs.h
+++ b/target/arm/tcg/helper-sme-defs.h
@@ -414,3 +414,8 @@ DEF_HELPER_FLAGS_6(sme_ftmopa_sh, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, env
DEF_HELPER_FLAGS_5(sme_stmopa_sh, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sme_utmopa_sh, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(sme_stmopa_sb, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sme_sutmopa_sb, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sme_utmopa_sb, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sme_ustmopa_sb, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode
index 08036c60c0..e8176fffdb 100644
--- a/target/arm/tcg/sme.decode
+++ b/target/arm/tcg/sme.decode
@@ -1154,3 +1154,8 @@ FTMOPA_sb 1000 0000 011 ..... 000 ... .... .. 00 .. @tmop_o2
STMOPA_sh 1000 0000 010 ..... 100 ... .... .. 10 .. @tmop_o2
UTMOPA_sh 1000 0001 010 ..... 100 ... .... .. 10 .. @tmop_o2
+
+STMOPA_sb 1000 0000 010 ..... 100 ... .... .. 00 .. @tmop_o2
+SUTMOPA_sb 1000 0000 011 ..... 100 ... .... .. 00 .. @tmop_o2
+USTMOPA_sb 1000 0001 010 ..... 100 ... .... .. 00 .. @tmop_o2
+UTMOPA_sb 1000 0001 011 ..... 100 ... .... .. 00 .. @tmop_o2
diff --git a/target/arm/tcg/sme_helper.c b/target/arm/tcg/sme_helper.c
index 951cbbf58e..9de95428d2 100644
--- a/target/arm/tcg/sme_helper.c
+++ b/target/arm/tcg/sme_helper.c
@@ -3168,3 +3168,17 @@ IMOP4_4WAY(usmop4a_dh, +, int64_t, uint16_t, int16_t)
IMOP4_4WAY(usmop4s_dh, -, int64_t, uint16_t, int16_t)
#undef IMOP4_4WAY
+
+#define ITMOP_4WAY(TNAME, MNAME) \
+void HELPER(sme_##TNAME)(void *vza, void *vzn, void *vzm, \
+ void *vzk, uint32_t desc) \
+{ \
+ sme_tmop_4way_sb(vza, vzn, vzm, vzk, NULL, desc, inner_##MNAME); \
+}
+
+ITMOP_4WAY(stmopa_sb, smop4a_sb)
+ITMOP_4WAY(utmopa_sb, umop4a_sb)
+ITMOP_4WAY(sutmopa_sb, sumop4a_sb)
+ITMOP_4WAY(ustmopa_sb, usmop4a_sb)
+
+#undef ITMOP_4WAY
diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c
index abdf98a40c..768b76f01e 100644
--- a/target/arm/tcg/translate-sme.c
+++ b/target/arm/tcg/translate-sme.c
@@ -2202,3 +2202,12 @@ TRANS_FEAT(STMOPA_sh, aa64_sme_tmop, do_tmop_int,
a, MO_32, gen_helper_sme_stmopa_sh)
TRANS_FEAT(UTMOPA_sh, aa64_sme_tmop, do_tmop_int,
a, MO_32, gen_helper_sme_utmopa_sh)
+
+TRANS_FEAT(STMOPA_sb, aa64_sme_tmop, do_tmop_int,
+ a, MO_32, gen_helper_sme_stmopa_sb)
+TRANS_FEAT(SUTMOPA_sb, aa64_sme_tmop, do_tmop_int,
+ a, MO_32, gen_helper_sme_sutmopa_sb)
+TRANS_FEAT(USTMOPA_sb, aa64_sme_tmop, do_tmop_int,
+ a, MO_32, gen_helper_sme_ustmopa_sb)
+TRANS_FEAT(UTMOPA_sb, aa64_sme_tmop, do_tmop_int,
+ a, MO_32, gen_helper_sme_utmopa_sb)