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target/sparc: Introduce gen_{load,store}_fpr_Q 

Use them for trans_FMOVq.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-5-richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-11-03 10:38:23 -07:00
parent 388a646595
commit 33ec424535
1 changed files with 19 additions and 6 deletions
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25
target/sparc/translate.c
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@ -264,6 +264,22 @@ static TCGv_i64 gen_dest_fpr_D(DisasContext *dc, unsigned int dst)
return cpu_fpr[DFPREG(dst) / 2];
}
static TCGv_i128 gen_load_fpr_Q(DisasContext *dc, unsigned int src)
{
TCGv_i128 ret = tcg_temp_new_i128();
src = QFPREG(src);
tcg_gen_concat_i64_i128(ret, cpu_fpr[src / 2 + 1], cpu_fpr[src / 2]);
return ret;
}
static void gen_store_fpr_Q(DisasContext *dc, unsigned int dst, TCGv_i128 v)
{
dst = DFPREG(dst);
tcg_gen_extr_i128_i64(cpu_fpr[dst / 2 + 1], cpu_fpr[dst / 2], v);
gen_update_fprs_dirty(dc, dst);
}
static void gen_op_load_fpr_QT0(unsigned int src)
{
tcg_gen_st_i64(cpu_fpr[src / 2], tcg_env, offsetof(CPUSPARCState, qt0) +
@ -4615,7 +4631,7 @@ TRANS(FsTOx, 64, do_env_df, a, gen_helper_fstox)
static bool trans_FMOVq(DisasContext *dc, arg_FMOVq *a)
{
int rd, rs;
TCGv_i128 t;
if (!avail_64(dc)) {
return false;
@ -4628,11 +4644,8 @@ static bool trans_FMOVq(DisasContext *dc, arg_FMOVq *a)
}
gen_op_clear_ieee_excp_and_FTT();
rd = QFPREG(a->rd);
rs = QFPREG(a->rs);
tcg_gen_mov_i64(cpu_fpr[rd / 2], cpu_fpr[rs / 2]);
tcg_gen_mov_i64(cpu_fpr[rd / 2 + 1], cpu_fpr[rs / 2 + 1]);
gen_update_fprs_dirty(dc, rd);
t = gen_load_fpr_Q(dc, a->rs);
gen_store_fpr_Q(dc, a->rd, t);
return advance_pc(dc);
}