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target/loongarch: Implement vadd/vsub

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This patch includes:
- VADD.{B/H/W/D/Q};
- VSUB.{B/H/W/D/Q}.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230504122810.4094787-5-gaosong@loongson.cn>
This commit is contained in:
Song Gao 2023-05-04 20:27:30 +08:00
parent a3f3db5cda
commit 57b4f1ac18
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GPG key ID: 40A2FFF239263EDF
5 changed files with 139 additions and 0 deletions
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69
target/loongarch/insn_trans/trans_lsx.c.inc
View file

@ -14,3 +14,72 @@
#else
#define CHECK_SXE
#endif
static bool gen_vvv(DisasContext *ctx, arg_vvv *a,
void (*func)(TCGv_ptr, TCGv_i32, TCGv_i32, TCGv_i32))
{
TCGv_i32 vd = tcg_constant_i32(a->vd);
TCGv_i32 vj = tcg_constant_i32(a->vj);
TCGv_i32 vk = tcg_constant_i32(a->vk);
CHECK_SXE;
func(cpu_env, vd, vj, vk);
return true;
}
static bool gvec_vvv(DisasContext *ctx, arg_vvv *a, MemOp mop,
void (*func)(unsigned, uint32_t, uint32_t,
uint32_t, uint32_t, uint32_t))
{
uint32_t vd_ofs, vj_ofs, vk_ofs;
CHECK_SXE;
vd_ofs = vec_full_offset(a->vd);
vj_ofs = vec_full_offset(a->vj);
vk_ofs = vec_full_offset(a->vk);
func(mop, vd_ofs, vj_ofs, vk_ofs, 16, ctx->vl/8);
return true;
}
TRANS(vadd_b, gvec_vvv, MO_8, tcg_gen_gvec_add)
TRANS(vadd_h, gvec_vvv, MO_16, tcg_gen_gvec_add)
TRANS(vadd_w, gvec_vvv, MO_32, tcg_gen_gvec_add)
TRANS(vadd_d, gvec_vvv, MO_64, tcg_gen_gvec_add)
#define VADDSUB_Q(NAME) \
static bool trans_v## NAME ##_q(DisasContext *ctx, arg_vvv *a) \
{ \
TCGv_i64 rh, rl, ah, al, bh, bl; \
\
CHECK_SXE; \
\
rh = tcg_temp_new_i64(); \
rl = tcg_temp_new_i64(); \
ah = tcg_temp_new_i64(); \
al = tcg_temp_new_i64(); \
bh = tcg_temp_new_i64(); \
bl = tcg_temp_new_i64(); \
\
get_vreg64(ah, a->vj, 1); \
get_vreg64(al, a->vj, 0); \
get_vreg64(bh, a->vk, 1); \
get_vreg64(bl, a->vk, 0); \
\
tcg_gen_## NAME ##2_i64(rl, rh, al, ah, bl, bh); \
\
set_vreg64(rh, a->vd, 1); \
set_vreg64(rl, a->vd, 0); \
\
return true; \
}
VADDSUB_Q(add)
VADDSUB_Q(sub)
TRANS(vsub_b, gvec_vvv, MO_8, tcg_gen_gvec_sub)
TRANS(vsub_h, gvec_vvv, MO_16, tcg_gen_gvec_sub)
TRANS(vsub_w, gvec_vvv, MO_32, tcg_gen_gvec_sub)
TRANS(vsub_d, gvec_vvv, MO_64, tcg_gen_gvec_sub)