Commit f6a2d780f1 for qemu.org

commit f6a2d780f1489de6f3453e0c0ef70ae9813a412c
Author: Richard Henderson <richard.henderson@linaro.org>
Date:   Tue Aug 11 20:14:11 2026 +0100

    target/arm: Implement FTMOPA (widening, 2-way, FP16 to FP32)

    Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
    Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
    Message-id: 20260713230244.70174-6-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 f05b53f412..8a959447b2 100644
--- a/target/arm/tcg/helper-sme-defs.h
+++ b/target/arm/tcg/helper-sme-defs.h
@@ -410,3 +410,4 @@ DEF_HELPER_FLAGS_6(sme_ftmopa_hh, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fps
 DEF_HELPER_FLAGS_6(sme_ftmopa_ss, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, fpst, i32)

 DEF_HELPER_FLAGS_6(sme_bftmopa_sh, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_FLAGS_6(sme_ftmopa_sh, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, env, i32)
diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode
index 49af8fd19e..5c453ea729 100644
--- a/target/arm/tcg/sme.decode
+++ b/target/arm/tcg/sme.decode
@@ -1147,3 +1147,4 @@ FTMOPA_hh       1000 0001 010 ..... 000 ... .... .. 100 .       @tmop_o1
 FTMOPA_ss       1000 0000 010 ..... 000 ... .... .. 00 ..       @tmop_o2

 BFTMOPA_sh      1000 0001 010 ..... 000 ... .... .. 00 ..       @tmop_o2
+FTMOPA_sh       1000 0001 011 ..... 000 ... .... .. 00 ..       @tmop_o2
diff --git a/target/arm/tcg/sme_helper.c b/target/arm/tcg/sme_helper.c
index 91447d9c0e..c2b7c23d6c 100644
--- a/target/arm/tcg/sme_helper.c
+++ b/target/arm/tcg/sme_helper.c
@@ -3020,6 +3020,12 @@ void HELPER(sme_fmop4a_sh)(void *vza, void *vzn, void *vzm,
     sme_mop4(vza, vzn, vzm, env, desc, sizeof(float32), inner_fmop4a_sh);
 }

+void HELPER(sme_ftmopa_sh)(void *vza, void *vzn, void *vzm, void *vzk,
+                           CPUArchState *env, uint32_t desc)
+{
+    sme_tmop_2way_sh(vza, vzn, vzm, vzk, env, desc, inner_fmop4a_sh);
+}
+
 static void inner_fmop4s_sh(void *vd, void *vn, void *vm, void *vinfo)
 {
     float32 *d = vd;
diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c
index 66bba48d99..8a55b79727 100644
--- a/target/arm/tcg/translate-sme.c
+++ b/target/arm/tcg/translate-sme.c
@@ -2165,3 +2165,5 @@ TRANS_FEAT(FTMOPA_ss, aa64_sme_tmop, do_tmop_fp,

 TRANS_FEAT(BFTMOPA_sh, aa64_sme_tmop, do_tmop_fp,
            a, MO_32, FPST_ENV, gen_helper_sme_bftmopa_sh)
+TRANS_FEAT(FTMOPA_sh, aa64_sme_tmop, do_tmop_fp,
+           a, MO_32, FPST_ENV, gen_helper_sme_ftmopa_sh)