diff options
Diffstat (limited to 'target/riscv/vector_helper.c')
-rw-r--r-- | target/riscv/vector_helper.c | 82 |
1 files changed, 49 insertions, 33 deletions
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 6067b5cfc7..81ac85b7d5 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -287,7 +287,7 @@ static void vext_set_tail_elems_1s(CPURISCVState *env, target_ulong vl, } /* - *** stride: access vector element from strided memory + * stride: access vector element from strided memory */ static void vext_ldst_stride(void *vd, void *v0, target_ulong base, @@ -353,10 +353,10 @@ GEN_VEXT_ST_STRIDE(vsse32_v, int32_t, ste_w) GEN_VEXT_ST_STRIDE(vsse64_v, int64_t, ste_d) /* - *** unit-stride: access elements stored contiguously in memory + * unit-stride: access elements stored contiguously in memory */ -/* unmasked unit-stride load and store operation*/ +/* unmasked unit-stride load and store operation */ static void vext_ldst_us(void *vd, target_ulong base, CPURISCVState *env, uint32_t desc, vext_ldst_elem_fn *ldst_elem, uint32_t log2_esz, uint32_t evl, @@ -429,7 +429,7 @@ GEN_VEXT_ST_US(vse32_v, int32_t, ste_w) GEN_VEXT_ST_US(vse64_v, int64_t, ste_d) /* - *** unit stride mask load and store, EEW = 1 + * unit stride mask load and store, EEW = 1 */ void HELPER(vlm_v)(void *vd, void *v0, target_ulong base, CPURISCVState *env, uint32_t desc) @@ -450,7 +450,7 @@ void HELPER(vsm_v)(void *vd, void *v0, target_ulong base, } /* - *** index: access vector element from indexed memory + * index: access vector element from indexed memory */ typedef target_ulong vext_get_index_addr(target_ulong base, uint32_t idx, void *vs2); @@ -554,7 +554,7 @@ GEN_VEXT_ST_INDEX(vsxei64_32_v, int32_t, idx_d, ste_w) GEN_VEXT_ST_INDEX(vsxei64_64_v, int64_t, idx_d, ste_d) /* - *** unit-stride fault-only-fisrt load instructions + * unit-stride fault-only-fisrt load instructions */ static inline void vext_ldff(void *vd, void *v0, target_ulong base, @@ -571,7 +571,7 @@ vext_ldff(void *vd, void *v0, target_ulong base, uint32_t vma = vext_vma(desc); target_ulong addr, offset, remain; - /* probe every access*/ + /* probe every access */ for (i = env->vstart; i < env->vl; i++) { if (!vm && !vext_elem_mask(v0, i)) { continue; @@ -660,7 +660,7 @@ GEN_VEXT_LDFF(vle64ff_v, int64_t, lde_d) #define DO_MINU(N, M) DO_MIN((UMTYPE)N, (UMTYPE)M) /* - *** load and store whole register instructions + * load and store whole register instructions */ static void vext_ldst_whole(void *vd, target_ulong base, CPURISCVState *env, uint32_t desc, @@ -733,7 +733,7 @@ GEN_VEXT_ST_WHOLE(vs4r_v, int8_t, ste_b) GEN_VEXT_ST_WHOLE(vs8r_v, int8_t, ste_b) /* - *** Vector Integer Arithmetic Instructions + * Vector Integer Arithmetic Instructions */ /* expand macro args before macro */ @@ -1149,8 +1149,10 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \ vext_set_elem_mask(vd, i, DO_OP(s2, s1, carry)); \ } \ env->vstart = 0; \ - /* mask destination register are always tail-agnostic */ \ - /* set tail elements to 1s */ \ + /* + * mask destination register are always tail-agnostic + * set tail elements to 1s + */ \ if (vta_all_1s) { \ for (; i < total_elems; i++) { \ vext_set_elem_mask(vd, i, 1); \ @@ -1185,8 +1187,10 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, \ DO_OP(s2, (ETYPE)(target_long)s1, carry)); \ } \ env->vstart = 0; \ - /* mask destination register are always tail-agnostic */ \ - /* set tail elements to 1s */ \ + /* + * mask destination register are always tail-agnostic + * set tail elements to 1s + */ \ if (vta_all_1s) { \ for (; i < total_elems; i++) { \ vext_set_elem_mask(vd, i, 1); \ @@ -1392,8 +1396,10 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \ vext_set_elem_mask(vd, i, DO_OP(s2, s1)); \ } \ env->vstart = 0; \ - /* mask destination register are always tail-agnostic */ \ - /* set tail elements to 1s */ \ + /* + * mask destination register are always tail-agnostic + * set tail elements to 1s + */ \ if (vta_all_1s) { \ for (; i < total_elems; i++) { \ vext_set_elem_mask(vd, i, 1); \ @@ -1455,8 +1461,10 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \ DO_OP(s2, (ETYPE)(target_long)s1)); \ } \ env->vstart = 0; \ - /* mask destination register are always tail-agnostic */ \ - /* set tail elements to 1s */ \ + /* + * mask destination register are always tail-agnostic + * set tail elements to 1s + */ \ if (vta_all_1s) { \ for (; i < total_elems; i++) { \ vext_set_elem_mask(vd, i, 1); \ @@ -2075,7 +2083,7 @@ GEN_VEXT_VMERGE_VX(vmerge_vxm_w, int32_t, H4) GEN_VEXT_VMERGE_VX(vmerge_vxm_d, int64_t, H8) /* - *** Vector Fixed-Point Arithmetic Instructions + * Vector Fixed-Point Arithmetic Instructions */ /* Vector Single-Width Saturating Add and Subtract */ @@ -2988,7 +2996,7 @@ GEN_VEXT_VX_RM(vnclipu_wx_h, 2) GEN_VEXT_VX_RM(vnclipu_wx_w, 4) /* - *** Vector Float Point Arithmetic Instructions + * Vector Float Point Arithmetic Instructions */ /* Vector Single-Width Floating-Point Add/Subtract Instructions */ #define OPFVV2(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2, OP) \ @@ -4171,8 +4179,10 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \ DO_OP(s2, s1, &env->fp_status)); \ } \ env->vstart = 0; \ - /* mask destination register are always tail-agnostic */ \ - /* set tail elements to 1s */ \ + /* + * mask destination register are always tail-agnostic + * set tail elements to 1s + */ \ if (vta_all_1s) { \ for (; i < total_elems; i++) { \ vext_set_elem_mask(vd, i, 1); \ @@ -4208,8 +4218,10 @@ void HELPER(NAME)(void *vd, void *v0, uint64_t s1, void *vs2, \ DO_OP(s2, (ETYPE)s1, &env->fp_status)); \ } \ env->vstart = 0; \ - /* mask destination register are always tail-agnostic */ \ - /* set tail elements to 1s */ \ + /* + * mask destination register are always tail-agnostic + * set tail elements to 1s + */ \ if (vta_all_1s) { \ for (; i < total_elems; i++) { \ vext_set_elem_mask(vd, i, 1); \ @@ -4472,7 +4484,9 @@ GEN_VEXT_V_ENV(vfcvt_f_x_v_d, 8) #define WOP_UU_B uint16_t, uint8_t, uint8_t #define WOP_UU_H uint32_t, uint16_t, uint16_t #define WOP_UU_W uint64_t, uint32_t, uint32_t -/* vfwcvt.xu.f.v vd, vs2, vm # Convert float to double-width unsigned integer.*/ +/* + * vfwcvt.xu.f.v vd, vs2, vm # Convert float to double-width unsigned integer. + */ RVVCALL(OPFVV1, vfwcvt_xu_f_v_h, WOP_UU_H, H4, H2, float16_to_uint32) RVVCALL(OPFVV1, vfwcvt_xu_f_v_w, WOP_UU_W, H8, H4, float32_to_uint64) GEN_VEXT_V_ENV(vfwcvt_xu_f_v_h, 4) @@ -4559,7 +4573,7 @@ GEN_VEXT_V_ENV(vfncvt_f_f_w_h, 2) GEN_VEXT_V_ENV(vfncvt_f_f_w_w, 4) /* - *** Vector Reduction Operations + * Vector Reduction Operations */ /* Vector Single-Width Integer Reduction Instructions */ #define GEN_VEXT_RED(NAME, TD, TS2, HD, HS2, OP) \ @@ -4713,7 +4727,7 @@ GEN_VEXT_FRED(vfwredosum_vs_h, uint32_t, uint16_t, H4, H2, fwadd16) GEN_VEXT_FRED(vfwredosum_vs_w, uint64_t, uint32_t, H8, H4, fwadd32) /* - *** Vector Mask Operations + * Vector Mask Operations */ /* Vector Mask-Register Logical Instructions */ #define GEN_VEXT_MASK_VV(NAME, OP) \ @@ -4733,10 +4747,10 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, \ vext_set_elem_mask(vd, i, OP(b, a)); \ } \ env->vstart = 0; \ - /* mask destination register are always tail- \ - * agnostic \ + /* + * mask destination register are always tail-agnostic + * set tail elements to 1s */ \ - /* set tail elements to 1s */ \ if (vta_all_1s) { \ for (; i < total_elems; i++) { \ vext_set_elem_mask(vd, i, 1); \ @@ -4779,7 +4793,7 @@ target_ulong HELPER(vcpop_m)(void *v0, void *vs2, CPURISCVState *env, return cnt; } -/* vfirst find-first-set mask bit*/ +/* vfirst find-first-set mask bit */ target_ulong HELPER(vfirst_m)(void *v0, void *vs2, CPURISCVState *env, uint32_t desc) { @@ -4844,8 +4858,10 @@ static void vmsetm(void *vd, void *v0, void *vs2, CPURISCVState *env, } } env->vstart = 0; - /* mask destination register are always tail-agnostic */ - /* set tail elements to 1s */ + /* + * mask destination register are always tail-agnostic + * set tail elements to 1s + */ if (vta_all_1s) { for (; i < total_elems; i++) { vext_set_elem_mask(vd, i, 1); @@ -4937,7 +4953,7 @@ GEN_VEXT_VID_V(vid_v_w, uint32_t, H4) GEN_VEXT_VID_V(vid_v_d, uint64_t, H8) /* - *** Vector Permutation Instructions + * Vector Permutation Instructions */ /* Vector Slide Instructions */ |