fridtjof/qemu-cr16
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

target/arm: Implement SME2 MOVT

Browse source 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250704142112.1018902-21-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2025-07-04 08:19:43 -06:00 • committed by Peter Maydell
parent 12511e2a76
commit 4fc8b7f4bc
2 changed files with 18 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
target/arm/tcg/sme.decode
View file

@ -39,6 +39,11 @@ MOVA 11000000 esz:2 00001 0 v:1 .. pg:3 0 za_imm:4 zr:5 \
MOVA 11000000 11 00001 1 v:1 .. pg:3 0 za_imm:4 zr:5 \
&mova to_vec=1 rs=%mova_rs esz=4
### SME Move into/from ZT0
MOVT_rzt 1100 0000 0100 1100 0 off:3 00 11111 rt:5
MOVT_ztr 1100 0000 0100 1110 0 off:3 00 11111 rt:5
### SME Memory
&ldst esz rs pg rn rm za_imm v:bool st:bool

13
target/arm/tcg/translate-sme.c
View file

@ -210,6 +210,19 @@ static bool trans_MOVA(DisasContext *s, arg_MOVA *a)
return true;
}
static bool do_movt(DisasContext *s, arg_MOVT_rzt *a,
void (*func)(TCGv_i64, TCGv_ptr, tcg_target_long))
{
if (sme2_zt0_enabled_check(s)) {
func(cpu_reg(s, a->rt), tcg_env,
offsetof(CPUARMState, za_state.zt0) + a->off * 8);
}
return true;
}
TRANS_FEAT(MOVT_rzt, aa64_sme2, do_movt, a, tcg_gen_ld_i64)
TRANS_FEAT(MOVT_ztr, aa64_sme2, do_movt, a, tcg_gen_st_i64)
static bool trans_LDST1(DisasContext *s, arg_LDST1 *a)
{
typedef void GenLdSt1(TCGv_env, TCGv_ptr, TCGv_ptr, TCGv, TCGv_i32);