openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

target/riscv: vector integer merge and move instructions 

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200701152549.1218-24-zhiwei_liu@c-sky.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
LIU Zhiwei 2020-07-01 23:25:11 +08:00 committed by Alistair Francis
parent 2b587b3350
commit f020a7a145
4 changed files with 225 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
target/riscv/helper.h
View File

@ -675,3 +675,20 @@ DEF_HELPER_6(vwmaccsu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
DEF_HELPER_6(vwmaccus_vx_b, void, ptr, ptr, tl, ptr, env, i32)
DEF_HELPER_6(vwmaccus_vx_h, void, ptr, ptr, tl, ptr, env, i32)
DEF_HELPER_6(vwmaccus_vx_w, void, ptr, ptr, tl, ptr, env, i32)
DEF_HELPER_6(vmerge_vvm_b, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vmerge_vvm_h, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vmerge_vvm_w, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vmerge_vvm_d, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vmerge_vxm_b, void, ptr, ptr, tl, ptr, env, i32)
DEF_HELPER_6(vmerge_vxm_h, void, ptr, ptr, tl, ptr, env, i32)
DEF_HELPER_6(vmerge_vxm_w, void, ptr, ptr, tl, ptr, env, i32)
DEF_HELPER_6(vmerge_vxm_d, void, ptr, ptr, tl, ptr, env, i32)
DEF_HELPER_4(vmv_v_v_b, void, ptr, ptr, env, i32)
DEF_HELPER_4(vmv_v_v_h, void, ptr, ptr, env, i32)
DEF_HELPER_4(vmv_v_v_w, void, ptr, ptr, env, i32)
DEF_HELPER_4(vmv_v_v_d, void, ptr, ptr, env, i32)
DEF_HELPER_4(vmv_v_x_b, void, ptr, i64, env, i32)
DEF_HELPER_4(vmv_v_x_h, void, ptr, i64, env, i32)
DEF_HELPER_4(vmv_v_x_w, void, ptr, i64, env, i32)
DEF_HELPER_4(vmv_v_x_d, void, ptr, i64, env, i32)

7
target/riscv/insn32.decode
View File

@ -71,6 +71,7 @@
@r_nfvm ... ... vm:1 ..... ..... ... ..... ....... &rnfvm %nf %rs2 %rs1 %rd
@r_vm ...... vm:1 ..... ..... ... ..... ....... &rmrr %rs2 %rs1 %rd
@r_vm_1 ...... . ..... ..... ... ..... ....... &rmrr vm=1 %rs2 %rs1 %rd
@r_vm_0 ...... . ..... ..... ... ..... ....... &rmrr vm=0 %rs2 %rs1 %rd
@r_wdvm ..... wd:1 vm:1 ..... ..... ... ..... ....... &rwdvm %rs2 %rs1 %rd
@r2_zimm . zimm:11 ..... ... ..... ....... %rs1 %rd
@ -402,6 +403,12 @@ vwmacc_vx 111101 . ..... ..... 110 ..... 1010111 @r_vm
vwmaccsu_vv 111110 . ..... ..... 010 ..... 1010111 @r_vm
vwmaccsu_vx 111110 . ..... ..... 110 ..... 1010111 @r_vm
vwmaccus_vx 111111 . ..... ..... 110 ..... 1010111 @r_vm
vmv_v_v 010111 1 00000 ..... 000 ..... 1010111 @r2
vmv_v_x 010111 1 00000 ..... 100 ..... 1010111 @r2
vmv_v_i 010111 1 00000 ..... 011 ..... 1010111 @r2
vmerge_vvm 010111 0 ..... ..... 000 ..... 1010111 @r_vm_0
vmerge_vxm 010111 0 ..... ..... 100 ..... 1010111 @r_vm_0
vmerge_vim 010111 0 ..... ..... 011 ..... 1010111 @r_vm_0
vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm
vsetvl 1000000 ..... ..... 111 ..... 1010111 @r

113
target/riscv/insn_trans/trans_rvv.inc.c
View File

@ -1618,3 +1618,116 @@ GEN_OPIVX_WIDEN_TRANS(vwmaccu_vx)
GEN_OPIVX_WIDEN_TRANS(vwmacc_vx)
GEN_OPIVX_WIDEN_TRANS(vwmaccsu_vx)
GEN_OPIVX_WIDEN_TRANS(vwmaccus_vx)
/* Vector Integer Merge and Move Instructions */
static bool trans_vmv_v_v(DisasContext *s, arg_vmv_v_v *a)
{
if (vext_check_isa_ill(s) &&
vext_check_reg(s, a->rd, false) &&
vext_check_reg(s, a->rs1, false)) {
if (s->vl_eq_vlmax) {
tcg_gen_gvec_mov(s->sew, vreg_ofs(s, a->rd),
vreg_ofs(s, a->rs1),
MAXSZ(s), MAXSZ(s));
} else {
uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul);
static gen_helper_gvec_2_ptr * const fns[4] = {
gen_helper_vmv_v_v_b, gen_helper_vmv_v_v_h,
gen_helper_vmv_v_v_w, gen_helper_vmv_v_v_d,
};
TCGLabel *over = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over);
tcg_gen_gvec_2_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, a->rs1),
cpu_env, 0, s->vlen / 8, data, fns[s->sew]);
gen_set_label(over);
}
return true;
}
return false;
}
typedef void gen_helper_vmv_vx(TCGv_ptr, TCGv_i64, TCGv_env, TCGv_i32);
static bool trans_vmv_v_x(DisasContext *s, arg_vmv_v_x *a)
{
if (vext_check_isa_ill(s) &&
vext_check_reg(s, a->rd, false)) {
TCGv s1;
TCGLabel *over = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over);
s1 = tcg_temp_new();
gen_get_gpr(s1, a->rs1);
if (s->vl_eq_vlmax) {
tcg_gen_gvec_dup_tl(s->sew, vreg_ofs(s, a->rd),
MAXSZ(s), MAXSZ(s), s1);
} else {
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);
static gen_helper_vmv_vx * const fns[4] = {
gen_helper_vmv_v_x_b, gen_helper_vmv_v_x_h,
gen_helper_vmv_v_x_w, gen_helper_vmv_v_x_d,
};
tcg_gen_ext_tl_i64(s1_i64, s1);
desc = tcg_const_i32(simd_desc(0, 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);
}
tcg_temp_free(s1);
gen_set_label(over);
return true;
}
return false;
}
static bool trans_vmv_v_i(DisasContext *s, arg_vmv_v_i *a)
{
if (vext_check_isa_ill(s) &&
vext_check_reg(s, a->rd, false)) {
int64_t simm = sextract64(a->rs1, 0, 5);
if (s->vl_eq_vlmax) {
tcg_gen_gvec_dup_imm(s->sew, vreg_ofs(s, a->rd),
MAXSZ(s), MAXSZ(s), simm);
} else {
TCGv_i32 desc;
TCGv_i64 s1;
TCGv_ptr dest;
uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul);
static gen_helper_vmv_vx * const fns[4] = {
gen_helper_vmv_v_x_b, gen_helper_vmv_v_x_h,
gen_helper_vmv_v_x_w, gen_helper_vmv_v_x_d,
};
TCGLabel *over = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over);
s1 = tcg_const_i64(simm);
dest = tcg_temp_new_ptr();
desc = tcg_const_i32(simd_desc(0, 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;
}
return false;
}
GEN_OPIVV_TRANS(vmerge_vvm, opivv_vadc_check)
GEN_OPIVX_TRANS(vmerge_vxm, opivx_vadc_check)
GEN_OPIVI_TRANS(vmerge_vim, 0, vmerge_vxm, opivx_vadc_check)

88
target/riscv/vector_helper.c
View File

@ -2024,3 +2024,91 @@ GEN_VEXT_VX(vwmaccsu_vx_w, 4, 8, clearq)
GEN_VEXT_VX(vwmaccus_vx_b, 1, 2, clearh)
GEN_VEXT_VX(vwmaccus_vx_h, 2, 4, clearl)
GEN_VEXT_VX(vwmaccus_vx_w, 4, 8, clearq)
/* Vector Integer Merge and Move Instructions */
#define GEN_VEXT_VMV_VV(NAME, ETYPE, H, CLEAR_FN) \
void HELPER(NAME)(void *vd, void *vs1, CPURISCVState *env, \
uint32_t desc) \
{ \
uint32_t vl = env->vl; \
uint32_t esz = sizeof(ETYPE); \
uint32_t vlmax = vext_maxsz(desc) / esz; \
uint32_t i; \
\
for (i = 0; i < vl; i++) { \
ETYPE s1 = *((ETYPE *)vs1 + H(i)); \
*((ETYPE *)vd + H(i)) = s1; \
} \
CLEAR_FN(vd, vl, vl * esz, vlmax * esz); \
}
GEN_VEXT_VMV_VV(vmv_v_v_b, int8_t, H1, clearb)
GEN_VEXT_VMV_VV(vmv_v_v_h, int16_t, H2, clearh)
GEN_VEXT_VMV_VV(vmv_v_v_w, int32_t, H4, clearl)
GEN_VEXT_VMV_VV(vmv_v_v_d, int64_t, H8, clearq)
#define GEN_VEXT_VMV_VX(NAME, ETYPE, H, CLEAR_FN) \
void HELPER(NAME)(void *vd, uint64_t s1, CPURISCVState *env, \
uint32_t desc) \
{ \
uint32_t vl = env->vl; \
uint32_t esz = sizeof(ETYPE); \
uint32_t vlmax = vext_maxsz(desc) / esz; \
uint32_t i; \
\
for (i = 0; i < vl; i++) { \
*((ETYPE *)vd + H(i)) = (ETYPE)s1; \
} \
CLEAR_FN(vd, vl, vl * esz, vlmax * esz); \
}
GEN_VEXT_VMV_VX(vmv_v_x_b, int8_t, H1, clearb)
GEN_VEXT_VMV_VX(vmv_v_x_h, int16_t, H2, clearh)
GEN_VEXT_VMV_VX(vmv_v_x_w, int32_t, H4, clearl)
GEN_VEXT_VMV_VX(vmv_v_x_d, int64_t, H8, clearq)
#define GEN_VEXT_VMERGE_VV(NAME, ETYPE, H, CLEAR_FN) \
void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \
CPURISCVState *env, uint32_t desc) \
{ \
uint32_t mlen = vext_mlen(desc); \
uint32_t vl = env->vl; \
uint32_t esz = sizeof(ETYPE); \
uint32_t vlmax = vext_maxsz(desc) / esz; \
uint32_t i; \
\
for (i = 0; i < vl; i++) { \
ETYPE *vt = (!vext_elem_mask(v0, mlen, i) ? vs2 : vs1); \
*((ETYPE *)vd + H(i)) = *(vt + H(i)); \
} \
CLEAR_FN(vd, vl, vl * esz, vlmax * esz); \
}
GEN_VEXT_VMERGE_VV(vmerge_vvm_b, int8_t, H1, clearb)
GEN_VEXT_VMERGE_VV(vmerge_vvm_h, int16_t, H2, clearh)
GEN_VEXT_VMERGE_VV(vmerge_vvm_w, int32_t, H4, clearl)
GEN_VEXT_VMERGE_VV(vmerge_vvm_d, int64_t, H8, clearq)
#define GEN_VEXT_VMERGE_VX(NAME, ETYPE, H, CLEAR_FN) \
void HELPER(NAME)(void *vd, void *v0, target_ulong s1, \
void *vs2, CPURISCVState *env, uint32_t desc) \
{ \
uint32_t mlen = vext_mlen(desc); \
uint32_t vl = env->vl; \
uint32_t esz = sizeof(ETYPE); \
uint32_t vlmax = vext_maxsz(desc) / esz; \
uint32_t i; \
\
for (i = 0; i < vl; i++) { \
ETYPE s2 = *((ETYPE *)vs2 + H(i)); \
ETYPE d = (!vext_elem_mask(v0, mlen, i) ? s2 : \
(ETYPE)(target_long)s1); \
*((ETYPE *)vd + H(i)) = d; \
} \
CLEAR_FN(vd, vl, vl * esz, vlmax * esz); \
}
GEN_VEXT_VMERGE_VX(vmerge_vxm_b, int8_t, H1, clearb)
GEN_VEXT_VMERGE_VX(vmerge_vxm_h, int16_t, H2, clearh)
GEN_VEXT_VMERGE_VX(vmerge_vxm_w, int32_t, H4, clearl)
GEN_VEXT_VMERGE_VX(vmerge_vxm_d, int64_t, H8, clearq)