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target/hppa: Implement HSHL, HSHR

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-09-21 08:56:04 +02:00
parent 1b3cb7c874
commit 151f309b98
2 changed files with 40 additions and 0 deletions
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5
target/hppa/insns.decode
View File

@ -69,6 +69,7 @@
&rrr_cf t r1 r2 cf
&rrr_cf_d t r1 r2 cf d
&rrr_cf_d_sh t r1 r2 cf d sh
&rri t r i
&rri_cf t r i cf
&rri_cf_d t r i cf d
@ -216,6 +217,10 @@ hadd_us 000010 ..... ..... 00000011 00 0 ..... @rrr
havg 000010 ..... ..... 00000010 11 0 ..... @rrr
hshl 111110 00000 r:5 100010 i:4 0 t:5 &rri
hshr_s 111110 r:5 00000 110011 i:4 0 t:5 &rri
hshr_u 111110 r:5 00000 110010 i:4 0 t:5 &rri
hsub 000010 ..... ..... 00000001 11 0 ..... @rrr
hsub_ss 000010 ..... ..... 00000001 01 0 ..... @rrr
hsub_us 000010 ..... ..... 00000001 00 0 ..... @rrr

35
target/hppa/translate.c
View File

@ -2789,6 +2789,26 @@ static bool do_multimedia(DisasContext *ctx, arg_rrr *a,
return nullify_end(ctx);
}
static bool do_multimedia_sh(DisasContext *ctx, arg_rri *a,
void (*fn)(TCGv_i64, TCGv_i64, int64_t))
{
TCGv_i64 r, dest;
if (!ctx->is_pa20) {
return false;
}
nullify_over(ctx);
r = load_gpr(ctx, a->r);
dest = dest_gpr(ctx, a->t);
fn(dest, r, a->i);
save_gpr(ctx, a->t, dest);
return nullify_end(ctx);
}
static bool trans_hadd(DisasContext *ctx, arg_rrr *a)
{
return do_multimedia(ctx, a, tcg_gen_vec_add16_i64);
@ -2809,6 +2829,21 @@ static bool trans_havg(DisasContext *ctx, arg_rrr *a)
return do_multimedia(ctx, a, gen_helper_havg);
}
static bool trans_hshl(DisasContext *ctx, arg_rri *a)
{
return do_multimedia_sh(ctx, a, tcg_gen_vec_shl16i_i64);
}
static bool trans_hshr_s(DisasContext *ctx, arg_rri *a)
{
return do_multimedia_sh(ctx, a, tcg_gen_vec_sar16i_i64);
}
static bool trans_hshr_u(DisasContext *ctx, arg_rri *a)
{
return do_multimedia_sh(ctx, a, tcg_gen_vec_shr16i_i64);
}
static bool trans_hsub(DisasContext *ctx, arg_rrr *a)
{
return do_multimedia(ctx, a, tcg_gen_vec_sub16_i64);