diff mbox series

[PULL,08/45] target/arm: Mark FTSMUL, FTMAD, FADDA as non-streaming

Message ID 20220711135750.765803-9-peter.maydell@linaro.org
State Accepted
Commit 7272e98a748041118437c8aedcdd4f68838d4869
Headers show
Series [PULL,01/45] target/arm: Handle SME in aarch64_cpu_dump_state | expand

Commit Message

Peter Maydell July 11, 2022, 1:57 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

Mark these as a non-streaming instructions, which should trap
if full a64 support is not enabled in streaming mode.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220708151540.18136-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/sme-fa64.decode |  3 ---
 target/arm/translate-sve.c | 15 +++++++++++----
 2 files changed, 11 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/target/arm/sme-fa64.decode b/target/arm/sme-fa64.decode
index 4ff2df82e5b..b5eaa2d0faa 100644
--- a/target/arm/sme-fa64.decode
+++ b/target/arm/sme-fa64.decode
@@ -59,9 +59,6 @@  FAIL    0001 1110 0111 1110 0000 00-- ---- ----   # FJCVTZS
 #       --11 1100 --1- ---- ---- ---- ---- --10   # Load/store FP register (register offset)
 #       --11 1101 ---- ---- ---- ---- ---- ----   # Load/store FP register (scaled imm)
 
-FAIL    0110 0101 --0- ---- 0000 11-- ---- ----   # FTSMUL
-FAIL    0110 0101 --01 0--- 100- ---- ---- ----   # FTMAD
-FAIL    0110 0101 --01 1--- 001- ---- ---- ----   # FADDA
 FAIL    0100 0101 --0- ---- 1001 10-- ---- ----   # SMMLA, UMMLA, USMMLA
 FAIL    0100 0101 --1- ---- 1--- ---- ---- ----   # SVE2 string/histo/crypto instructions
 FAIL    1000 010- -00- ---- 10-- ---- ---- ----   # SVE2 32-bit gather NT load (vector+scalar)
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 4ff2102fc86..d5aad539235 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -3861,9 +3861,9 @@  static gen_helper_gvec_3_ptr * const ftmad_fns[4] = {
     NULL,                   gen_helper_sve_ftmad_h,
     gen_helper_sve_ftmad_s, gen_helper_sve_ftmad_d,
 };
-TRANS_FEAT(FTMAD, aa64_sve, gen_gvec_fpst_zzz,
-           ftmad_fns[a->esz], a->rd, a->rn, a->rm, a->imm,
-           a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
+TRANS_FEAT_NONSTREAMING(FTMAD, aa64_sve, gen_gvec_fpst_zzz,
+                        ftmad_fns[a->esz], a->rd, a->rn, a->rm, a->imm,
+                        a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
 
 /*
  *** SVE Floating Point Accumulating Reduction Group
@@ -3886,6 +3886,7 @@  static bool trans_FADDA(DisasContext *s, arg_rprr_esz *a)
     if (a->esz == 0 || !dc_isar_feature(aa64_sve, s)) {
         return false;
     }
+    s->is_nonstreaming = true;
     if (!sve_access_check(s)) {
         return true;
     }
@@ -3923,12 +3924,18 @@  static bool trans_FADDA(DisasContext *s, arg_rprr_esz *a)
 DO_FP3(FADD_zzz, fadd)
 DO_FP3(FSUB_zzz, fsub)
 DO_FP3(FMUL_zzz, fmul)
-DO_FP3(FTSMUL, ftsmul)
 DO_FP3(FRECPS, recps)
 DO_FP3(FRSQRTS, rsqrts)
 
 #undef DO_FP3
 
+static gen_helper_gvec_3_ptr * const ftsmul_fns[4] = {
+    NULL,                     gen_helper_gvec_ftsmul_h,
+    gen_helper_gvec_ftsmul_s, gen_helper_gvec_ftsmul_d
+};
+TRANS_FEAT_NONSTREAMING(FTSMUL, aa64_sve, gen_gvec_fpst_arg_zzz,
+                        ftsmul_fns[a->esz], a, 0)
+
 /*
  *** SVE Floating Point Arithmetic - Predicated Group
  */