target/riscv: Use tcg_constant_*

Replace uses of tcg_const_* with the allocate and free close together.

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210823195529.560295-2-richard.henderson@linaro.org
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Richard Henderson 2021-08-23 12:55:06 -07:00 committed by Alistair Francis
parent 2a4b408930
commit 05b80ed0a1
3 changed files with 34 additions and 70 deletions

View file

@ -33,7 +33,7 @@ static bool trans_vsetvl(DisasContext *ctx, arg_vsetvl *a)
/* Using x0 as the rs1 register specifier, encodes an infinite AVL */
if (a->rs1 == 0) {
/* As the mask is at least one bit, RV_VLEN_MAX is >= VLMAX */
s1 = tcg_const_tl(RV_VLEN_MAX);
s1 = tcg_constant_tl(RV_VLEN_MAX);
} else {
s1 = tcg_temp_new();
gen_get_gpr(s1, a->rs1);
@ -59,13 +59,13 @@ static bool trans_vsetvli(DisasContext *ctx, arg_vsetvli *a)
return false;
}
s2 = tcg_const_tl(a->zimm);
s2 = tcg_constant_tl(a->zimm);
dst = tcg_temp_new();
/* Using x0 as the rs1 register specifier, encodes an infinite AVL */
if (a->rs1 == 0) {
/* As the mask is at least one bit, RV_VLEN_MAX is >= VLMAX */
s1 = tcg_const_tl(RV_VLEN_MAX);
s1 = tcg_constant_tl(RV_VLEN_MAX);
} else {
s1 = tcg_temp_new();
gen_get_gpr(s1, a->rs1);
@ -76,7 +76,6 @@ static bool trans_vsetvli(DisasContext *ctx, arg_vsetvli *a)
ctx->base.is_jmp = DISAS_NORETURN;
tcg_temp_free(s1);
tcg_temp_free(s2);
tcg_temp_free(dst);
return true;
}
@ -183,7 +182,7 @@ static bool ldst_us_trans(uint32_t vd, uint32_t rs1, uint32_t data,
* The first part is vlen in bytes, encoded in maxsz of simd_desc.
* The second part is lmul, encoded in data of simd_desc.
*/
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
gen_get_gpr(base, rs1);
tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, vd));
@ -194,7 +193,6 @@ static bool ldst_us_trans(uint32_t vd, uint32_t rs1, uint32_t data,
tcg_temp_free_ptr(dest);
tcg_temp_free_ptr(mask);
tcg_temp_free(base);
tcg_temp_free_i32(desc);
gen_set_label(over);
return true;
}
@ -334,7 +332,7 @@ static bool ldst_stride_trans(uint32_t vd, uint32_t rs1, uint32_t rs2,
mask = tcg_temp_new_ptr();
base = tcg_temp_new();
stride = tcg_temp_new();
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
gen_get_gpr(base, rs1);
gen_get_gpr(stride, rs2);
@ -347,7 +345,6 @@ static bool ldst_stride_trans(uint32_t vd, uint32_t rs1, uint32_t rs2,
tcg_temp_free_ptr(mask);
tcg_temp_free(base);
tcg_temp_free(stride);
tcg_temp_free_i32(desc);
gen_set_label(over);
return true;
}
@ -462,7 +459,7 @@ static bool ldst_index_trans(uint32_t vd, uint32_t rs1, uint32_t vs2,
mask = tcg_temp_new_ptr();
index = tcg_temp_new_ptr();
base = tcg_temp_new();
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
gen_get_gpr(base, rs1);
tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, vd));
@ -475,7 +472,6 @@ static bool ldst_index_trans(uint32_t vd, uint32_t rs1, uint32_t vs2,
tcg_temp_free_ptr(mask);
tcg_temp_free_ptr(index);
tcg_temp_free(base);
tcg_temp_free_i32(desc);
gen_set_label(over);
return true;
}
@ -594,7 +590,7 @@ static bool ldff_trans(uint32_t vd, uint32_t rs1, uint32_t data,
dest = tcg_temp_new_ptr();
mask = tcg_temp_new_ptr();
base = tcg_temp_new();
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
gen_get_gpr(base, rs1);
tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, vd));
@ -605,7 +601,6 @@ static bool ldff_trans(uint32_t vd, uint32_t rs1, uint32_t data,
tcg_temp_free_ptr(dest);
tcg_temp_free_ptr(mask);
tcg_temp_free(base);
tcg_temp_free_i32(desc);
gen_set_label(over);
return true;
}
@ -671,7 +666,7 @@ static bool amo_trans(uint32_t vd, uint32_t rs1, uint32_t vs2,
mask = tcg_temp_new_ptr();
index = tcg_temp_new_ptr();
base = tcg_temp_new();
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
gen_get_gpr(base, rs1);
tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, vd));
@ -684,7 +679,6 @@ static bool amo_trans(uint32_t vd, uint32_t rs1, uint32_t vs2,
tcg_temp_free_ptr(mask);
tcg_temp_free_ptr(index);
tcg_temp_free(base);
tcg_temp_free_i32(desc);
gen_set_label(over);
return true;
}
@ -874,7 +868,7 @@ static bool opivx_trans(uint32_t vd, uint32_t rs1, uint32_t vs2, uint32_t vm,
data = FIELD_DP32(data, VDATA, MLEN, s->mlen);
data = FIELD_DP32(data, VDATA, VM, vm);
data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, vd));
tcg_gen_addi_ptr(src2, cpu_env, vreg_ofs(s, vs2));
@ -886,7 +880,6 @@ static bool opivx_trans(uint32_t vd, uint32_t rs1, uint32_t vs2, uint32_t vm,
tcg_temp_free_ptr(mask);
tcg_temp_free_ptr(src2);
tcg_temp_free(src1);
tcg_temp_free_i32(desc);
gen_set_label(over);
return true;
}
@ -1014,14 +1007,14 @@ static bool opivi_trans(uint32_t vd, uint32_t imm, uint32_t vs2, uint32_t vm,
mask = tcg_temp_new_ptr();
src2 = tcg_temp_new_ptr();
if (zx) {
src1 = tcg_const_tl(imm);
src1 = tcg_constant_tl(imm);
} else {
src1 = tcg_const_tl(sextract64(imm, 0, 5));
src1 = tcg_constant_tl(sextract64(imm, 0, 5));
}
data = FIELD_DP32(data, VDATA, MLEN, s->mlen);
data = FIELD_DP32(data, VDATA, VM, vm);
data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, vd));
tcg_gen_addi_ptr(src2, cpu_env, vreg_ofs(s, vs2));
@ -1032,8 +1025,6 @@ static bool opivi_trans(uint32_t vd, uint32_t imm, uint32_t vs2, uint32_t vm,
tcg_temp_free_ptr(dest);
tcg_temp_free_ptr(mask);
tcg_temp_free_ptr(src2);
tcg_temp_free(src1);
tcg_temp_free_i32(desc);
gen_set_label(over);
return true;
}
@ -1080,9 +1071,8 @@ GEN_OPIVI_GVEC_TRANS(vadd_vi, 0, vadd_vx, addi)
static void tcg_gen_gvec_rsubi(unsigned vece, uint32_t dofs, uint32_t aofs,
int64_t c, uint32_t oprsz, uint32_t maxsz)
{
TCGv_i64 tmp = tcg_const_i64(c);
TCGv_i64 tmp = tcg_constant_i64(c);
tcg_gen_gvec_rsubs(vece, dofs, aofs, tmp, oprsz, maxsz);
tcg_temp_free_i64(tmp);
}
GEN_OPIVI_GVEC_TRANS(vrsub_vi, 0, vrsub_vx, rsubi)
@ -1682,7 +1672,7 @@ static bool trans_vmv_v_x(DisasContext *s, arg_vmv_v_x *a)
tcg_gen_gvec_dup_tl(s->sew, vreg_ofs(s, a->rd),
MAXSZ(s), MAXSZ(s), s1);
} else {
TCGv_i32 desc ;
TCGv_i32 desc;
TCGv_i64 s1_i64 = tcg_temp_new_i64();
TCGv_ptr dest = tcg_temp_new_ptr();
uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul);
@ -1692,12 +1682,11 @@ static bool trans_vmv_v_x(DisasContext *s, arg_vmv_v_x *a)
};
tcg_gen_ext_tl_i64(s1_i64, s1);
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, a->rd));
fns[s->sew](dest, s1_i64, cpu_env, desc);
tcg_temp_free_ptr(dest);
tcg_temp_free_i32(desc);
tcg_temp_free_i64(s1_i64);
}
@ -1729,15 +1718,13 @@ static bool trans_vmv_v_i(DisasContext *s, arg_vmv_v_i *a)
TCGLabel *over = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over);
s1 = tcg_const_i64(simm);
s1 = tcg_constant_i64(simm);
dest = tcg_temp_new_ptr();
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, a->rd));
fns[s->sew](dest, s1, cpu_env, desc);
tcg_temp_free_ptr(dest);
tcg_temp_free_i32(desc);
tcg_temp_free_i64(s1);
gen_set_label(over);
}
return true;
@ -1866,7 +1853,7 @@ static bool opfvf_trans(uint32_t vd, uint32_t rs1, uint32_t vs2,
dest = tcg_temp_new_ptr();
mask = tcg_temp_new_ptr();
src2 = tcg_temp_new_ptr();
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, vd));
tcg_gen_addi_ptr(src2, cpu_env, vreg_ofs(s, vs2));
@ -1877,7 +1864,6 @@ static bool opfvf_trans(uint32_t vd, uint32_t rs1, uint32_t vs2,
tcg_temp_free_ptr(dest);
tcg_temp_free_ptr(mask);
tcg_temp_free_ptr(src2);
tcg_temp_free_i32(desc);
gen_set_label(over);
return true;
}
@ -2231,12 +2217,11 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f *a)
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over);
dest = tcg_temp_new_ptr();
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, a->rd));
fns[s->sew - 1](dest, cpu_fpr[a->rs1], cpu_env, desc);
tcg_temp_free_ptr(dest);
tcg_temp_free_i32(desc);
gen_set_label(over);
}
return true;
@ -2428,7 +2413,7 @@ static bool trans_vmpopc_m(DisasContext *s, arg_rmr *a)
mask = tcg_temp_new_ptr();
src2 = tcg_temp_new_ptr();
dst = tcg_temp_new();
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
tcg_gen_addi_ptr(src2, cpu_env, vreg_ofs(s, a->rs2));
tcg_gen_addi_ptr(mask, cpu_env, vreg_ofs(s, 0));
@ -2439,7 +2424,6 @@ static bool trans_vmpopc_m(DisasContext *s, arg_rmr *a)
tcg_temp_free_ptr(mask);
tcg_temp_free_ptr(src2);
tcg_temp_free(dst);
tcg_temp_free_i32(desc);
return true;
}
return false;
@ -2460,7 +2444,7 @@ static bool trans_vmfirst_m(DisasContext *s, arg_rmr *a)
mask = tcg_temp_new_ptr();
src2 = tcg_temp_new_ptr();
dst = tcg_temp_new();
desc = tcg_const_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
desc = tcg_constant_i32(simd_desc(s->vlen / 8, s->vlen / 8, data));
tcg_gen_addi_ptr(src2, cpu_env, vreg_ofs(s, a->rs2));
tcg_gen_addi_ptr(mask, cpu_env, vreg_ofs(s, 0));
@ -2471,7 +2455,6 @@ static bool trans_vmfirst_m(DisasContext *s, arg_rmr *a)
tcg_temp_free_ptr(mask);
tcg_temp_free_ptr(src2);
tcg_temp_free(dst);
tcg_temp_free_i32(desc);
return true;
}
return false;
@ -2636,15 +2619,13 @@ static void vec_element_loadx(DisasContext *s, TCGv_i64 dest,
tcg_temp_free_i32(ofs);
/* Flush out-of-range indexing to zero. */
t_vlmax = tcg_const_i64(vlmax);
t_zero = tcg_const_i64(0);
t_vlmax = tcg_constant_i64(vlmax);
t_zero = tcg_constant_i64(0);
tcg_gen_extu_tl_i64(t_idx, idx);
tcg_gen_movcond_i64(TCG_COND_LTU, dest, t_idx,
t_vlmax, dest, t_zero);
tcg_temp_free_i64(t_vlmax);
tcg_temp_free_i64(t_zero);
tcg_temp_free_i64(t_idx);
}