mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

target/arm: Mark gather/scatter load/store as non-streaming

Browse Source 
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>
This commit is contained in:
Richard Henderson 2022-07-08 20:45:06 +05:30 committed by Peter Maydell
parent 46feb36151
commit 765ff97df3
2 changed files with 6 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
target/arm/sme-fa64.decode
View File

@ -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)

6
target/arm/translate-sve.c
View File

@ -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;
}