[PULL 11/45] target/arm: Mark gather/scatter load/store as non-streaming

[Peter Maydell]

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: 20220708151540.18136-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/sme-fa64.decode | 9 ---------
 target/arm/translate-sve.c | 6 ++++++
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/target/arm/sme-fa64.decode b/target/arm/sme-fa64.decode
index fe462d2ccce..1acc3ae0809 100644
--- a/target/arm/sme-fa64.decode
+++ b/target/arm/sme-fa64.decode
@@ -59,19 +59,10 @@ 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    1000 010- -00- ---- 10-- ---- ---- ----   # SVE2 32-bit gather NT load 
(vector+scalar)
 FAIL    1000 010- -00- ---- 111- ---- ---- ----   # SVE 32-bit gather prefetch 
(vector+imm)
 FAIL    1000 0100 0-1- ---- 0--- ---- ---- ----   # SVE 32-bit gather prefetch 
(scalar+vector)
-FAIL    1000 010- -01- ---- 1--- ---- ---- ----   # SVE 32-bit gather load 
(vector+imm)
-FAIL    1000 0100 0-0- ---- 0--- ---- ---- ----   # SVE 32-bit gather load 
byte (scalar+vector)
-FAIL    1000 0100 1--- ---- 0--- ---- ---- ----   # SVE 32-bit gather load 
half (scalar+vector)
-FAIL    1000 0101 0--- ---- 0--- ---- ---- ----   # SVE 32-bit gather load 
word (scalar+vector)
 FAIL    1010 010- ---- ---- 011- ---- ---- ----   # SVE contiguous FF load 
(scalar+scalar)
 FAIL    1010 010- ---1 ---- 101- ---- ---- ----   # SVE contiguous NF load 
(scalar+imm)
 FAIL    1010 010- -01- ---- 000- ---- ---- ----   # SVE load & replicate 32 
bytes (scalar+scalar)
 FAIL    1010 010- -010 ---- 001- ---- ---- ----   # SVE load & replicate 32 
bytes (scalar+imm)
 FAIL    1100 010- ---- ---- ---- ---- ---- ----   # SVE 64-bit gather 
load/prefetch
-FAIL    1110 010- -00- ---- 001- ---- ---- ----   # SVE2 64-bit scatter NT 
store (vector+scalar)
-FAIL    1110 010- -10- ---- 001- ---- ---- ----   # SVE2 32-bit scatter NT 
store (vector+scalar)
-FAIL    1110 010- ---- ---- 1-0- ---- ---- ----   # SVE scatter store 
(scalar+32-bit vector)
-FAIL    1110 010- ---- ---- 101- ---- ---- ----   # SVE scatter store (misc)
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index f8e07164748..b23c6aa0bfd 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -5669,6 +5669,7 @@ static bool trans_LD1_zprz(DisasContext *s, arg_LD1_zprz 
*a)
     if (!dc_isar_feature(aa64_sve, s)) {
         return false;
     }
+    s->is_nonstreaming = true;
     if (!sve_access_check(s)) {
         return true;
     }
@@ -5700,6 +5701,7 @@ static bool trans_LD1_zpiz(DisasContext *s, arg_LD1_zpiz 
*a)
     if (!dc_isar_feature(aa64_sve, s)) {
         return false;
     }
+    s->is_nonstreaming = true;
     if (!sve_access_check(s)) {
         return true;
     }
@@ -5734,6 +5736,7 @@ static bool trans_LDNT1_zprz(DisasContext *s, 
arg_LD1_zprz *a)
     if (!dc_isar_feature(aa64_sve2, s)) {
         return false;
     }
+    s->is_nonstreaming = true;
     if (!sve_access_check(s)) {
         return true;
     }
@@ -5857,6 +5860,7 @@ static bool trans_ST1_zprz(DisasContext *s, arg_ST1_zprz 
*a)
     if (!dc_isar_feature(aa64_sve, s)) {
         return false;
     }
+    s->is_nonstreaming = true;
     if (!sve_access_check(s)) {
         return true;
     }
@@ -5887,6 +5891,7 @@ static bool trans_ST1_zpiz(DisasContext *s, arg_ST1_zpiz 
*a)
     if (!dc_isar_feature(aa64_sve, s)) {
         return false;
     }
+    s->is_nonstreaming = true;
     if (!sve_access_check(s)) {
         return true;
     }
@@ -5921,6 +5926,7 @@ static bool trans_STNT1_zprz(DisasContext *s, 
arg_ST1_zprz *a)
     if (!dc_isar_feature(aa64_sve2, s)) {
         return false;
     }
+    s->is_nonstreaming = true;
     if (!sve_access_check(s)) {
         return true;
     }
-- 
2.25.1