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target/loongarch: Implement vpcnt 

This patch includes:
- VPCNT.{B/H/W/D}.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230504122810.4094787-31-gaosong@loongson.cn>
This commit is contained in:
Song Gao 2023-05-04 20:27:56 +08:00
parent 2e105e12a5
commit bb22ee5763
No known key found for this signature in database
GPG Key ID: 40A2FFF239263EDF
5 changed files with 38 additions and 0 deletions
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5
target/loongarch/disas.c
View File

@ -1267,3 +1267,8 @@ INSN_LSX(vclz_b, vv)
INSN_LSX(vclz_h, vv)
INSN_LSX(vclz_w, vv)
INSN_LSX(vclz_d, vv)
INSN_LSX(vpcnt_b, vv)
INSN_LSX(vpcnt_h, vv)
INSN_LSX(vpcnt_w, vv)
INSN_LSX(vpcnt_d, vv)

5
target/loongarch/helper.h
View File

@ -480,3 +480,8 @@ DEF_HELPER_3(vclz_b, void, env, i32, i32)
DEF_HELPER_3(vclz_h, void, env, i32, i32)
DEF_HELPER_3(vclz_w, void, env, i32, i32)
DEF_HELPER_3(vclz_d, void, env, i32, i32)
DEF_HELPER_3(vpcnt_b, void, env, i32, i32)
DEF_HELPER_3(vpcnt_h, void, env, i32, i32)
DEF_HELPER_3(vpcnt_w, void, env, i32, i32)
DEF_HELPER_3(vpcnt_d, void, env, i32, i32)

5
target/loongarch/insn_trans/trans_lsx.c.inc
View File

@ -3106,3 +3106,8 @@ TRANS(vclz_b, gen_vv, gen_helper_vclz_b)
TRANS(vclz_h, gen_vv, gen_helper_vclz_h)
TRANS(vclz_w, gen_vv, gen_helper_vclz_w)
TRANS(vclz_d, gen_vv, gen_helper_vclz_d)
TRANS(vpcnt_b, gen_vv, gen_helper_vpcnt_b)
TRANS(vpcnt_h, gen_vv, gen_helper_vpcnt_h)
TRANS(vpcnt_w, gen_vv, gen_helper_vpcnt_w)
TRANS(vpcnt_d, gen_vv, gen_helper_vpcnt_d)

5
target/loongarch/insns.decode
View File

@ -968,3 +968,8 @@ vclz_b 0111 00101001 11000 00100 ..... ..... @vv
vclz_h 0111 00101001 11000 00101 ..... ..... @vv
vclz_w 0111 00101001 11000 00110 ..... ..... @vv
vclz_d 0111 00101001 11000 00111 ..... ..... @vv
vpcnt_b 0111 00101001 11000 01000 ..... ..... @vv
vpcnt_h 0111 00101001 11000 01001 ..... ..... @vv
vpcnt_w 0111 00101001 11000 01010 ..... ..... @vv
vpcnt_d 0111 00101001 11000 01011 ..... ..... @vv

18
target/loongarch/lsx_helper.c
View File

@ -1946,3 +1946,21 @@ DO_2OP(vclz_b, 8, UB, DO_CLZ_B)
DO_2OP(vclz_h, 16, UH, DO_CLZ_H)
DO_2OP(vclz_w, 32, UW, DO_CLZ_W)
DO_2OP(vclz_d, 64, UD, DO_CLZ_D)
#define VPCNT(NAME, BIT, E, FN) \
void HELPER(NAME)(CPULoongArchState *env, uint32_t vd, uint32_t vj) \
{ \
int i; \
VReg *Vd = &(env->fpr[vd].vreg); \
VReg *Vj = &(env->fpr[vj].vreg); \
\
for (i = 0; i < LSX_LEN/BIT; i++) \
{ \
Vd->E(i) = FN(Vj->E(i)); \
} \
}
VPCNT(vpcnt_b, 8, UB, ctpop8)
VPCNT(vpcnt_h, 16, UH, ctpop16)
VPCNT(vpcnt_w, 32, UW, ctpop32)
VPCNT(vpcnt_d, 64, UD, ctpop64)