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target/arm: Use tcg_constant for predicate descriptors

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In these cases, 't' did double-duty as zero source and
temporary destination.  Split the two uses.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20220426163043.100432-46-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-04-26 09:30:41 -07:00 committed by Peter Maydell
parent 138a1f7b3f
commit 392acacc1e
1 changed files with 8 additions and 9 deletions
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17
target/arm/translate-sve.c
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@ -282,13 +282,12 @@ static void do_predtest(DisasContext *s, int dofs, int gofs, int words)
{
TCGv_ptr dptr = tcg_temp_new_ptr();
TCGv_ptr gptr = tcg_temp_new_ptr();
TCGv_i32 t;
TCGv_i32 t = tcg_temp_new_i32();
tcg_gen_addi_ptr(dptr, cpu_env, dofs);
tcg_gen_addi_ptr(gptr, cpu_env, gofs);
t = tcg_const_i32(words);
gen_helper_sve_predtest(t, dptr, gptr, t);
gen_helper_sve_predtest(t, dptr, gptr, tcg_constant_i32(words));
tcg_temp_free_ptr(dptr);
tcg_temp_free_ptr(gptr);
@ -1880,9 +1879,9 @@ static bool do_pfirst_pnext(DisasContext *s, arg_rr_esz *a,
tcg_gen_addi_ptr(t_pd, cpu_env, pred_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, a->rn));
t = tcg_const_i32(desc);
t = tcg_temp_new_i32();
gen_fn(t, t_pd, t_pg, t);
gen_fn(t, t_pd, t_pg, tcg_constant_i32(desc));
tcg_temp_free_ptr(t_pd);
tcg_temp_free_ptr(t_pg);
@ -3176,7 +3175,7 @@ static bool do_ppzz_flags(DisasContext *s, arg_rprr_esz *a,
}
vsz = vec_full_reg_size(s);
t = tcg_const_i32(simd_desc(vsz, vsz, 0));
t = tcg_temp_new_i32();
pd = tcg_temp_new_ptr();
zn = tcg_temp_new_ptr();
zm = tcg_temp_new_ptr();
@ -3187,7 +3186,7 @@ static bool do_ppzz_flags(DisasContext *s, arg_rprr_esz *a,
tcg_gen_addi_ptr(zm, cpu_env, vec_full_reg_offset(s, a->rm));
tcg_gen_addi_ptr(pg, cpu_env, pred_full_reg_offset(s, a->pg));
gen_fn(t, pd, zn, zm, pg, t);
gen_fn(t, pd, zn, zm, pg, tcg_constant_i32(simd_desc(vsz, vsz, 0)));
tcg_temp_free_ptr(pd);
tcg_temp_free_ptr(zn);
@ -3261,7 +3260,7 @@ static bool do_ppzi_flags(DisasContext *s, arg_rpri_esz *a,
}
vsz = vec_full_reg_size(s);
t = tcg_const_i32(simd_desc(vsz, vsz, a->imm));
t = tcg_temp_new_i32();
pd = tcg_temp_new_ptr();
zn = tcg_temp_new_ptr();
pg = tcg_temp_new_ptr();
@ -3270,7 +3269,7 @@ static bool do_ppzi_flags(DisasContext *s, arg_rpri_esz *a,
tcg_gen_addi_ptr(zn, cpu_env, vec_full_reg_offset(s, a->rn));
tcg_gen_addi_ptr(pg, cpu_env, pred_full_reg_offset(s, a->pg));
gen_fn(t, pd, zn, pg, t);
gen_fn(t, pd, zn, pg, tcg_constant_i32(simd_desc(vsz, vsz, a->imm)));
tcg_temp_free_ptr(pd);
tcg_temp_free_ptr(zn);