diff options
| author | LIU Zhiwei <zhiwei_liu@c-sky.com> | 2020-07-01 23:25:46 +0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2020-07-02 09:19:33 -0700 |
| commit | ec17e03688ce4d0ae188db6d90b185b92a9a2087 (patch) | |
| tree | 071eba2c4b4a7b80b5e50990f00a345d4175ea82 /target/riscv/vector_helper.c | |
| parent | 2843420a562c107801bae20f74579e4fe540316f (diff) | |
target/riscv: vector slide instructions
Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200701152549.1218-59-zhiwei_liu@c-sky.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv/vector_helper.c')
| -rw-r--r-- | target/riscv/vector_helper.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 0fa899b6ff..51c4bc5756 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4697,3 +4697,117 @@ GEN_VEXT_VID_V(vid_v_b, uint8_t, H1, clearb) GEN_VEXT_VID_V(vid_v_h, uint16_t, H2, clearh) GEN_VEXT_VID_V(vid_v_w, uint32_t, H4, clearl) GEN_VEXT_VID_V(vid_v_d, uint64_t, H8, clearq) + +/* + *** Vector Permutation Instructions + */ + +/* Vector Slide Instructions */ +#define GEN_VEXT_VSLIDEUP_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 vlmax = env_archcpu(env)->cfg.vlen / mlen; \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + target_ulong offset = s1, i; \ + \ + for (i = offset; i < vl; i++) { \ + if (!vm && !vext_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + *((ETYPE *)vd + H(i)) = *((ETYPE *)vs2 + H(i - offset)); \ + } \ + CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE)); \ +} + +/* vslideup.vx vd, vs2, rs1, vm # vd[i+rs1] = vs2[i] */ +GEN_VEXT_VSLIDEUP_VX(vslideup_vx_b, uint8_t, H1, clearb) +GEN_VEXT_VSLIDEUP_VX(vslideup_vx_h, uint16_t, H2, clearh) +GEN_VEXT_VSLIDEUP_VX(vslideup_vx_w, uint32_t, H4, clearl) +GEN_VEXT_VSLIDEUP_VX(vslideup_vx_d, uint64_t, H8, clearq) + +#define GEN_VEXT_VSLIDEDOWN_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 vlmax = env_archcpu(env)->cfg.vlen / mlen; \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + target_ulong offset = s1, i; \ + \ + for (i = 0; i < vl; ++i) { \ + target_ulong j = i + offset; \ + if (!vm && !vext_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + *((ETYPE *)vd + H(i)) = j >= vlmax ? 0 : *((ETYPE *)vs2 + H(j)); \ + } \ + CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE)); \ +} + +/* vslidedown.vx vd, vs2, rs1, vm # vd[i] = vs2[i+rs1] */ +GEN_VEXT_VSLIDEDOWN_VX(vslidedown_vx_b, uint8_t, H1, clearb) +GEN_VEXT_VSLIDEDOWN_VX(vslidedown_vx_h, uint16_t, H2, clearh) +GEN_VEXT_VSLIDEDOWN_VX(vslidedown_vx_w, uint32_t, H4, clearl) +GEN_VEXT_VSLIDEDOWN_VX(vslidedown_vx_d, uint64_t, H8, clearq) + +#define GEN_VEXT_VSLIDE1UP_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 vlmax = env_archcpu(env)->cfg.vlen / mlen; \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + if (!vm && !vext_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + if (i == 0) { \ + *((ETYPE *)vd + H(i)) = s1; \ + } else { \ + *((ETYPE *)vd + H(i)) = *((ETYPE *)vs2 + H(i - 1)); \ + } \ + } \ + CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE)); \ +} + +/* vslide1up.vx vd, vs2, rs1, vm # vd[0]=x[rs1], vd[i+1] = vs2[i] */ +GEN_VEXT_VSLIDE1UP_VX(vslide1up_vx_b, uint8_t, H1, clearb) +GEN_VEXT_VSLIDE1UP_VX(vslide1up_vx_h, uint16_t, H2, clearh) +GEN_VEXT_VSLIDE1UP_VX(vslide1up_vx_w, uint32_t, H4, clearl) +GEN_VEXT_VSLIDE1UP_VX(vslide1up_vx_d, uint64_t, H8, clearq) + +#define GEN_VEXT_VSLIDE1DOWN_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 vlmax = env_archcpu(env)->cfg.vlen / mlen; \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + if (!vm && !vext_elem_mask(v0, mlen, i)) { \ + continue; \ + } \ + if (i == vl - 1) { \ + *((ETYPE *)vd + H(i)) = s1; \ + } else { \ + *((ETYPE *)vd + H(i)) = *((ETYPE *)vs2 + H(i + 1)); \ + } \ + } \ + CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE)); \ +} + +/* vslide1down.vx vd, vs2, rs1, vm # vd[i] = vs2[i+1], vd[vl-1]=x[rs1] */ +GEN_VEXT_VSLIDE1DOWN_VX(vslide1down_vx_b, uint8_t, H1, clearb) +GEN_VEXT_VSLIDE1DOWN_VX(vslide1down_vx_h, uint16_t, H2, clearh) +GEN_VEXT_VSLIDE1DOWN_VX(vslide1down_vx_w, uint32_t, H4, clearl) +GEN_VEXT_VSLIDE1DOWN_VX(vslide1down_vx_d, uint64_t, H8, clearq) |