From: LIU Zhiwei <zhiwei_liu@c-sky.com> To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: palmer@dabbelt.com, richard.henderson@linaro.org, bin.meng@windriver.com, Alistair.Francis@wdc.com, LIU Zhiwei <zhiwei_liu@c-sky.com> Subject: [PATCH v2 27/37] target/riscv: Non-SIMD Miscellaneous Instructions Date: Thu, 10 Jun 2021 15:58:58 +0800 [thread overview] Message-ID: <20210610075908.3305506-28-zhiwei_liu@c-sky.com> (raw) In-Reply-To: <20210610075908.3305506-1-zhiwei_liu@c-sky.com> Bit reverse, average, rounding shift, extract and insert byte instructions. Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> --- target/riscv/helper.h | 6 + target/riscv/insn32.decode | 16 ++ target/riscv/insn_trans/trans_rvp.c.inc | 241 ++++++++++++++++++++++++ target/riscv/packed_helper.c | 77 ++++++++ 4 files changed, 340 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 3063b583f3..bdd5ca1251 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1393,3 +1393,9 @@ DEF_HELPER_3(maxw, tl, env, tl, tl) DEF_HELPER_3(minw, tl, env, tl, tl) DEF_HELPER_3(mulr64, i64, env, tl, tl) DEF_HELPER_3(mulsr64, i64, env, tl, tl) + +DEF_HELPER_3(ave, tl, env, tl, tl) +DEF_HELPER_3(sra_u, tl, env, tl, tl) +DEF_HELPER_3(bitrev, tl, env, tl, tl) +DEF_HELPER_3(wext, tl, env, i64, tl) +DEF_HELPER_4(bpick, tl, env, tl, tl, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 9cfe5570b0..b70f6f0dc2 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -26,6 +26,7 @@ %sh7 20:7 %sh4 20:4 %sh3 20:3 +%sh6 20:6 %csr 20:12 %rm 12:3 %nf 29:3 !function=ex_plus_1 @@ -44,6 +45,7 @@ &j imm rd &r rd rs1 rs2 &r2 rd rs1 +&r4 rd rs1 rs2 rs3 &s imm rs1 rs2 &u imm rd &shift shamt rs1 rd @@ -65,6 +67,7 @@ @sh ...... ...... ..... ... ..... ....... &shift shamt=%sh7 %rs1 %rd @sh4 ...... ...... ..... ... ..... ....... &shift shamt=%sh4 %rs1 %rd @sh3 ...... ...... ..... ... ..... ....... &shift shamt=%sh3 %rs1 %rd +@sh6 ...... ...... ..... ... ..... ....... &shift shamt=%sh6 %rs1 %rd @csr ............ ..... ... ..... ....... %csr %rs1 %rd @atom_ld ..... aq:1 rl:1 ..... ........ ..... ....... &atomic rs2=0 %rs1 %rd @@ -74,6 +77,7 @@ @r_rm ....... ..... ..... ... ..... ....... %rs2 %rs1 %rm %rd @r2_rm ....... ..... ..... ... ..... ....... %rs1 %rm %rd @r2 ....... ..... ..... ... ..... ....... &r2 %rs1 %rd +@r4 ..... .. ..... ..... ... ..... ....... %rs3 %rs2 %rs1 %rd @r2_nfvm ... ... vm:1 ..... ..... ... ..... ....... &r2nfvm %nf %rs1 %rd @r2_vm ...... vm:1 ..... ..... ... ..... ....... &rmr %rs2 %rd @r1_vm ...... vm:1 ..... ..... ... ..... ....... %rd @@ -997,3 +1001,15 @@ maxw 1111001 ..... ..... 000 ..... 1110111 @r minw 1111000 ..... ..... 000 ..... 1110111 @r mulr64 1111000 ..... ..... 001 ..... 1110111 @r mulsr64 1110000 ..... ..... 001 ..... 1110111 @r + +ave 1110000 ..... ..... 000 ..... 1110111 @r +sra_u 0010010 ..... ..... 001 ..... 1110111 @r +srai_u 110101 ...... ..... 001 ..... 1110111 @sh6 +bitrev 1110011 ..... ..... 000 ..... 1110111 @r +bitrevi 111010 ...... ..... 000 ..... 1110111 @sh6 +wext 1100111 ..... ..... 000 ..... 1110111 @r +wexti 1101111 ..... ..... 000 ..... 1110111 @sh5 +bpick .....00 ..... ..... 011 ..... 1110111 @r4 +insb 1010110 00 ... ..... 000 ..... 1110111 @sh3 +maddr32 1100010 ..... ..... 001 ..... 1110111 @r +msubr32 1100011 ..... ..... 001 ..... 1110111 @r diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc index b720c6e037..51e140d157 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -708,3 +708,244 @@ GEN_RVP_R_OOL(minw); GEN_RVP_R_OOL(maxw); GEN_RVP_R_D64_OOL(mulr64); GEN_RVP_R_D64_OOL(mulsr64); + +/* Non-SIMD Miscellaneous Instructions */ +GEN_RVP_R_OOL(ave); +GEN_RVP_R_OOL(sra_u); +GEN_RVP_SHIFTI(srai_u, NULL, gen_helper_sra_u); +GEN_RVP_R_OOL(bitrev); +GEN_RVP_SHIFTI(bitrevi, NULL, gen_helper_bitrev); + +static bool +r_s64_ool(DisasContext *ctx, arg_r *a, + void (* fn)(TCGv, TCGv_ptr, TCGv_i64, TCGv)) +{ + TCGv_i64 src1; + TCGv src2, dst; + + if (!has_ext(ctx, RVP) || !ctx->ext_psfoperand) { + return false; + } + + src1 = tcg_temp_new_i64(); + src2 = tcg_temp_new(); + dst = tcg_temp_new(); + + if (is_32bit(ctx)) { + TCGv t0, t1; + t0 = tcg_temp_new(); + t1 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + gen_get_gpr(t1, a->rs1 + 1); + tcg_gen_concat_tl_i64(src1, t0, t1); + tcg_temp_free(t0); + tcg_temp_free(t1); + } else { + TCGv t0; + t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + tcg_gen_ext_tl_i64(src1, t0); + tcg_temp_free(t0); + } + gen_get_gpr(src2, a->rs2); + fn(dst, cpu_env, src1, src2); + gen_set_gpr(a->rd, dst); + + tcg_temp_free_i64(src1); + tcg_temp_free(src2); + tcg_temp_free(dst); + return true; +} + +#define GEN_RVP_R_S64_OOL(NAME) \ +static bool trans_##NAME(DisasContext *s, arg_r *a) \ +{ \ + return r_s64_ool(s, a, gen_helper_##NAME); \ +} + +GEN_RVP_R_S64_OOL(wext); + +static bool rvp_shifti_s64_ool(DisasContext *ctx, arg_shift *a, + void (* fn)(TCGv, TCGv_ptr, TCGv_i64, TCGv)) +{ + TCGv_i64 src1; + TCGv shift, dst; + + if (!has_ext(ctx, RVP) || !ctx->ext_psfoperand) { + return false; + } + + src1 = tcg_temp_new_i64(); + dst = tcg_temp_new(); + + if (is_32bit(ctx)) { + TCGv t0, t1; + t0 = tcg_temp_new(); + t1 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + gen_get_gpr(t1, a->rs1 + 1); + tcg_gen_concat_tl_i64(src1, t0, t1); + tcg_temp_free(t0); + tcg_temp_free(t1); + } else { + TCGv t0; + t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + tcg_gen_ext_tl_i64(src1, t0); + tcg_temp_free(t0); + } + shift = tcg_const_tl(a->shamt); + fn(dst, cpu_env, src1, shift); + gen_set_gpr(a->rd, dst); + + tcg_temp_free_i64(src1); + tcg_temp_free(shift); + tcg_temp_free(dst); + return true; +} + +#define GEN_RVP_SHIFTI_S64_OOL(NAME, OP) \ +static bool trans_##NAME(DisasContext *s, arg_shift *a) \ +{ \ + return rvp_shifti_s64_ool(s, a, gen_helper_##OP); \ +} + +GEN_RVP_SHIFTI_S64_OOL(wexti, wext); + +typedef void gen_helper_rvp_r4(TCGv, TCGv_ptr, TCGv, TCGv, TCGv); + +static bool r4_ool(DisasContext *ctx, arg_r4 *a, gen_helper_rvp_r4 *fn) +{ + TCGv src1, src2, src3, dst; + if (!has_ext(ctx, RVP)) { + return false; + } + + src1 = tcg_temp_new(); + src2 = tcg_temp_new(); + src3 = tcg_temp_new(); + dst = tcg_temp_new(); + + gen_get_gpr(src1, a->rs1); + gen_get_gpr(src2, a->rs2); + gen_get_gpr(src3, a->rs3); + fn(dst, cpu_env, src1, src2, src3); + gen_set_gpr(a->rd, dst); + + tcg_temp_free(src1); + tcg_temp_free(src2); + tcg_temp_free(src3); + tcg_temp_free(dst); + return true; +} + +#define GEN_RVP_R4_OOL(NAME) \ +static bool trans_##NAME(DisasContext *s, arg_r4 *a) \ +{ \ + return r4_ool(s, a, gen_helper_##NAME); \ +} + +GEN_RVP_R4_OOL(bpick); + +static bool trans_insb(DisasContext *ctx, arg_shift *a) +{ + TCGv src1, dst, b0; + uint8_t shift; + if (!has_ext(ctx, RVP)) { + return false; + } + if (is_32bit(ctx)) { + shift = a->shamt & 0x3; + } else { + shift = a->shamt; + } + src1 = tcg_temp_new(); + dst = tcg_temp_new(); + b0 = tcg_temp_new(); + + gen_get_gpr(src1, a->rs1); + gen_get_gpr(dst, a->rd); + + tcg_gen_andi_tl(b0, src1, 0xff); + tcg_gen_deposit_tl(dst, dst, b0, shift * 8, 8); + gen_set_gpr(a->rd, dst); + + tcg_temp_free(src1); + tcg_temp_free(dst); + tcg_temp_free(b0); + return true; +} + +static bool trans_maddr32(DisasContext *ctx, arg_r *a) +{ + TCGv src1, src2, dst; + TCGv_i32 w1, w2, w3; + if (!has_ext(ctx, RVP)) { + return false; + } + + src1 = tcg_temp_new(); + src2 = tcg_temp_new(); + dst = tcg_temp_new(); + w1 = tcg_temp_new_i32(); + w2 = tcg_temp_new_i32(); + w3 = tcg_temp_new_i32(); + + gen_get_gpr(src1, a->rs1); + gen_get_gpr(src2, a->rs2); + gen_get_gpr(dst, a->rd); + + tcg_gen_trunc_tl_i32(w1, src1); + tcg_gen_trunc_tl_i32(w2, src2); + tcg_gen_trunc_tl_i32(w3, dst); + + tcg_gen_mul_i32(w1, w1, w2); + tcg_gen_add_i32(w3, w3, w1); + tcg_gen_ext_i32_tl(dst, w3); + gen_set_gpr(a->rd, dst); + + tcg_temp_free(src1); + tcg_temp_free(src2); + tcg_temp_free(dst); + tcg_temp_free_i32(w1); + tcg_temp_free_i32(w2); + tcg_temp_free_i32(w3); + return true; +} + +static bool trans_msubr32(DisasContext *ctx, arg_r *a) +{ + TCGv src1, src2, dst; + TCGv_i32 w1, w2, w3; + if (!has_ext(ctx, RVP)) { + return false; + } + + src1 = tcg_temp_new(); + src2 = tcg_temp_new(); + dst = tcg_temp_new(); + w1 = tcg_temp_new_i32(); + w2 = tcg_temp_new_i32(); + w3 = tcg_temp_new_i32(); + + gen_get_gpr(src1, a->rs1); + gen_get_gpr(src2, a->rs2); + gen_get_gpr(dst, a->rd); + + tcg_gen_trunc_tl_i32(w1, src1); + tcg_gen_trunc_tl_i32(w2, src2); + tcg_gen_trunc_tl_i32(w3, dst); + + tcg_gen_mul_i32(w1, w1, w2); + tcg_gen_sub_i32(w3, w3, w1); + tcg_gen_ext_i32_tl(dst, w3); + gen_set_gpr(a->rd, dst); + + tcg_temp_free(src1); + tcg_temp_free(src2); + tcg_temp_free(dst); + tcg_temp_free_i32(w1); + tcg_temp_free_i32(w2); + tcg_temp_free_i32(w3); + return true; +} diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index c0e3b6bbdb..4e0c7a92eb 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -2910,3 +2910,80 @@ static inline void do_mulsr64(CPURISCVState *env, void *vd, void *va, } RVPR64(mulsr64); + +/* Miscellaneous Instructions */ +static inline void do_ave(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd, *a = va, *b = vb, half; + + half = hadd64(*a, *b); + if ((*a ^ *b) & 0x1) { + half++; + } + *d = half; +} + +RVPR(ave, 1, sizeof(target_ulong)); + +static inline void do_sra_u(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd, *a = va; + uint8_t *b = vb; + uint8_t shift = riscv_has_ext(env, RV32) ? (*b & 0x1f) : (*b & 0x3f); + + *d = vssra64(env, 0, *a, shift); +} + +RVPR(sra_u, 1, sizeof(target_ulong)); + +static inline void do_bitrev(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_ulong *d = vd, *a = va; + uint8_t *b = vb; + uint8_t shift = riscv_has_ext(env, RV32) ? (*b & 0x1f) : (*b & 0x3f); + + *d = revbit64(*a) >> (64 - shift - 1); +} + +RVPR(bitrev, 1, sizeof(target_ulong)); + +static inline target_ulong +rvpr_64(CPURISCVState *env, uint64_t a, target_ulong b, PackedFn3 *fn) +{ + target_ulong result = 0; + + fn(env, &result, &a, &b); + return result; +} + +#define RVPR_64(NAME) \ +target_ulong HELPER(NAME)(CPURISCVState *env, uint64_t a, \ + target_ulong b) \ +{ \ + return rvpr_64(env, a, b, (PackedFn3 *)do_##NAME); \ +} + +static inline void do_wext(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int64_t *a = va; + uint8_t b = *(uint8_t *)vb & 0x1f; + + *d = sextract64(*a, b, 32); +} + +RVPR_64(wext); + +static inline void do_bpick(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) +{ + target_long *d = vd, *a = va, *b = vb, *c = vc; + + *d = (*c & *a) | (~*c & *b); +} + +RVPR_ACC(bpick, 1, sizeof(target_ulong)); -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: LIU Zhiwei <zhiwei_liu@c-sky.com> To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Alistair.Francis@wdc.com, palmer@dabbelt.com, bin.meng@windriver.com, richard.henderson@linaro.org, LIU Zhiwei <zhiwei_liu@c-sky.com> Subject: [PATCH v2 27/37] target/riscv: Non-SIMD Miscellaneous Instructions Date: Thu, 10 Jun 2021 15:58:58 +0800 [thread overview] Message-ID: <20210610075908.3305506-28-zhiwei_liu@c-sky.com> (raw) In-Reply-To: <20210610075908.3305506-1-zhiwei_liu@c-sky.com> Bit reverse, average, rounding shift, extract and insert byte instructions. Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> --- target/riscv/helper.h | 6 + target/riscv/insn32.decode | 16 ++ target/riscv/insn_trans/trans_rvp.c.inc | 241 ++++++++++++++++++++++++ target/riscv/packed_helper.c | 77 ++++++++ 4 files changed, 340 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 3063b583f3..bdd5ca1251 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1393,3 +1393,9 @@ DEF_HELPER_3(maxw, tl, env, tl, tl) DEF_HELPER_3(minw, tl, env, tl, tl) DEF_HELPER_3(mulr64, i64, env, tl, tl) DEF_HELPER_3(mulsr64, i64, env, tl, tl) + +DEF_HELPER_3(ave, tl, env, tl, tl) +DEF_HELPER_3(sra_u, tl, env, tl, tl) +DEF_HELPER_3(bitrev, tl, env, tl, tl) +DEF_HELPER_3(wext, tl, env, i64, tl) +DEF_HELPER_4(bpick, tl, env, tl, tl, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 9cfe5570b0..b70f6f0dc2 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -26,6 +26,7 @@ %sh7 20:7 %sh4 20:4 %sh3 20:3 +%sh6 20:6 %csr 20:12 %rm 12:3 %nf 29:3 !function=ex_plus_1 @@ -44,6 +45,7 @@ &j imm rd &r rd rs1 rs2 &r2 rd rs1 +&r4 rd rs1 rs2 rs3 &s imm rs1 rs2 &u imm rd &shift shamt rs1 rd @@ -65,6 +67,7 @@ @sh ...... ...... ..... ... ..... ....... &shift shamt=%sh7 %rs1 %rd @sh4 ...... ...... ..... ... ..... ....... &shift shamt=%sh4 %rs1 %rd @sh3 ...... ...... ..... ... ..... ....... &shift shamt=%sh3 %rs1 %rd +@sh6 ...... ...... ..... ... ..... ....... &shift shamt=%sh6 %rs1 %rd @csr ............ ..... ... ..... ....... %csr %rs1 %rd @atom_ld ..... aq:1 rl:1 ..... ........ ..... ....... &atomic rs2=0 %rs1 %rd @@ -74,6 +77,7 @@ @r_rm ....... ..... ..... ... ..... ....... %rs2 %rs1 %rm %rd @r2_rm ....... ..... ..... ... ..... ....... %rs1 %rm %rd @r2 ....... ..... ..... ... ..... ....... &r2 %rs1 %rd +@r4 ..... .. ..... ..... ... ..... ....... %rs3 %rs2 %rs1 %rd @r2_nfvm ... ... vm:1 ..... ..... ... ..... ....... &r2nfvm %nf %rs1 %rd @r2_vm ...... vm:1 ..... ..... ... ..... ....... &rmr %rs2 %rd @r1_vm ...... vm:1 ..... ..... ... ..... ....... %rd @@ -997,3 +1001,15 @@ maxw 1111001 ..... ..... 000 ..... 1110111 @r minw 1111000 ..... ..... 000 ..... 1110111 @r mulr64 1111000 ..... ..... 001 ..... 1110111 @r mulsr64 1110000 ..... ..... 001 ..... 1110111 @r + +ave 1110000 ..... ..... 000 ..... 1110111 @r +sra_u 0010010 ..... ..... 001 ..... 1110111 @r +srai_u 110101 ...... ..... 001 ..... 1110111 @sh6 +bitrev 1110011 ..... ..... 000 ..... 1110111 @r +bitrevi 111010 ...... ..... 000 ..... 1110111 @sh6 +wext 1100111 ..... ..... 000 ..... 1110111 @r +wexti 1101111 ..... ..... 000 ..... 1110111 @sh5 +bpick .....00 ..... ..... 011 ..... 1110111 @r4 +insb 1010110 00 ... ..... 000 ..... 1110111 @sh3 +maddr32 1100010 ..... ..... 001 ..... 1110111 @r +msubr32 1100011 ..... ..... 001 ..... 1110111 @r diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc index b720c6e037..51e140d157 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -708,3 +708,244 @@ GEN_RVP_R_OOL(minw); GEN_RVP_R_OOL(maxw); GEN_RVP_R_D64_OOL(mulr64); GEN_RVP_R_D64_OOL(mulsr64); + +/* Non-SIMD Miscellaneous Instructions */ +GEN_RVP_R_OOL(ave); +GEN_RVP_R_OOL(sra_u); +GEN_RVP_SHIFTI(srai_u, NULL, gen_helper_sra_u); +GEN_RVP_R_OOL(bitrev); +GEN_RVP_SHIFTI(bitrevi, NULL, gen_helper_bitrev); + +static bool +r_s64_ool(DisasContext *ctx, arg_r *a, + void (* fn)(TCGv, TCGv_ptr, TCGv_i64, TCGv)) +{ + TCGv_i64 src1; + TCGv src2, dst; + + if (!has_ext(ctx, RVP) || !ctx->ext_psfoperand) { + return false; + } + + src1 = tcg_temp_new_i64(); + src2 = tcg_temp_new(); + dst = tcg_temp_new(); + + if (is_32bit(ctx)) { + TCGv t0, t1; + t0 = tcg_temp_new(); + t1 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + gen_get_gpr(t1, a->rs1 + 1); + tcg_gen_concat_tl_i64(src1, t0, t1); + tcg_temp_free(t0); + tcg_temp_free(t1); + } else { + TCGv t0; + t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + tcg_gen_ext_tl_i64(src1, t0); + tcg_temp_free(t0); + } + gen_get_gpr(src2, a->rs2); + fn(dst, cpu_env, src1, src2); + gen_set_gpr(a->rd, dst); + + tcg_temp_free_i64(src1); + tcg_temp_free(src2); + tcg_temp_free(dst); + return true; +} + +#define GEN_RVP_R_S64_OOL(NAME) \ +static bool trans_##NAME(DisasContext *s, arg_r *a) \ +{ \ + return r_s64_ool(s, a, gen_helper_##NAME); \ +} + +GEN_RVP_R_S64_OOL(wext); + +static bool rvp_shifti_s64_ool(DisasContext *ctx, arg_shift *a, + void (* fn)(TCGv, TCGv_ptr, TCGv_i64, TCGv)) +{ + TCGv_i64 src1; + TCGv shift, dst; + + if (!has_ext(ctx, RVP) || !ctx->ext_psfoperand) { + return false; + } + + src1 = tcg_temp_new_i64(); + dst = tcg_temp_new(); + + if (is_32bit(ctx)) { + TCGv t0, t1; + t0 = tcg_temp_new(); + t1 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + gen_get_gpr(t1, a->rs1 + 1); + tcg_gen_concat_tl_i64(src1, t0, t1); + tcg_temp_free(t0); + tcg_temp_free(t1); + } else { + TCGv t0; + t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + tcg_gen_ext_tl_i64(src1, t0); + tcg_temp_free(t0); + } + shift = tcg_const_tl(a->shamt); + fn(dst, cpu_env, src1, shift); + gen_set_gpr(a->rd, dst); + + tcg_temp_free_i64(src1); + tcg_temp_free(shift); + tcg_temp_free(dst); + return true; +} + +#define GEN_RVP_SHIFTI_S64_OOL(NAME, OP) \ +static bool trans_##NAME(DisasContext *s, arg_shift *a) \ +{ \ + return rvp_shifti_s64_ool(s, a, gen_helper_##OP); \ +} + +GEN_RVP_SHIFTI_S64_OOL(wexti, wext); + +typedef void gen_helper_rvp_r4(TCGv, TCGv_ptr, TCGv, TCGv, TCGv); + +static bool r4_ool(DisasContext *ctx, arg_r4 *a, gen_helper_rvp_r4 *fn) +{ + TCGv src1, src2, src3, dst; + if (!has_ext(ctx, RVP)) { + return false; + } + + src1 = tcg_temp_new(); + src2 = tcg_temp_new(); + src3 = tcg_temp_new(); + dst = tcg_temp_new(); + + gen_get_gpr(src1, a->rs1); + gen_get_gpr(src2, a->rs2); + gen_get_gpr(src3, a->rs3); + fn(dst, cpu_env, src1, src2, src3); + gen_set_gpr(a->rd, dst); + + tcg_temp_free(src1); + tcg_temp_free(src2); + tcg_temp_free(src3); + tcg_temp_free(dst); + return true; +} + +#define GEN_RVP_R4_OOL(NAME) \ +static bool trans_##NAME(DisasContext *s, arg_r4 *a) \ +{ \ + return r4_ool(s, a, gen_helper_##NAME); \ +} + +GEN_RVP_R4_OOL(bpick); + +static bool trans_insb(DisasContext *ctx, arg_shift *a) +{ + TCGv src1, dst, b0; + uint8_t shift; + if (!has_ext(ctx, RVP)) { + return false; + } + if (is_32bit(ctx)) { + shift = a->shamt & 0x3; + } else { + shift = a->shamt; + } + src1 = tcg_temp_new(); + dst = tcg_temp_new(); + b0 = tcg_temp_new(); + + gen_get_gpr(src1, a->rs1); + gen_get_gpr(dst, a->rd); + + tcg_gen_andi_tl(b0, src1, 0xff); + tcg_gen_deposit_tl(dst, dst, b0, shift * 8, 8); + gen_set_gpr(a->rd, dst); + + tcg_temp_free(src1); + tcg_temp_free(dst); + tcg_temp_free(b0); + return true; +} + +static bool trans_maddr32(DisasContext *ctx, arg_r *a) +{ + TCGv src1, src2, dst; + TCGv_i32 w1, w2, w3; + if (!has_ext(ctx, RVP)) { + return false; + } + + src1 = tcg_temp_new(); + src2 = tcg_temp_new(); + dst = tcg_temp_new(); + w1 = tcg_temp_new_i32(); + w2 = tcg_temp_new_i32(); + w3 = tcg_temp_new_i32(); + + gen_get_gpr(src1, a->rs1); + gen_get_gpr(src2, a->rs2); + gen_get_gpr(dst, a->rd); + + tcg_gen_trunc_tl_i32(w1, src1); + tcg_gen_trunc_tl_i32(w2, src2); + tcg_gen_trunc_tl_i32(w3, dst); + + tcg_gen_mul_i32(w1, w1, w2); + tcg_gen_add_i32(w3, w3, w1); + tcg_gen_ext_i32_tl(dst, w3); + gen_set_gpr(a->rd, dst); + + tcg_temp_free(src1); + tcg_temp_free(src2); + tcg_temp_free(dst); + tcg_temp_free_i32(w1); + tcg_temp_free_i32(w2); + tcg_temp_free_i32(w3); + return true; +} + +static bool trans_msubr32(DisasContext *ctx, arg_r *a) +{ + TCGv src1, src2, dst; + TCGv_i32 w1, w2, w3; + if (!has_ext(ctx, RVP)) { + return false; + } + + src1 = tcg_temp_new(); + src2 = tcg_temp_new(); + dst = tcg_temp_new(); + w1 = tcg_temp_new_i32(); + w2 = tcg_temp_new_i32(); + w3 = tcg_temp_new_i32(); + + gen_get_gpr(src1, a->rs1); + gen_get_gpr(src2, a->rs2); + gen_get_gpr(dst, a->rd); + + tcg_gen_trunc_tl_i32(w1, src1); + tcg_gen_trunc_tl_i32(w2, src2); + tcg_gen_trunc_tl_i32(w3, dst); + + tcg_gen_mul_i32(w1, w1, w2); + tcg_gen_sub_i32(w3, w3, w1); + tcg_gen_ext_i32_tl(dst, w3); + gen_set_gpr(a->rd, dst); + + tcg_temp_free(src1); + tcg_temp_free(src2); + tcg_temp_free(dst); + tcg_temp_free_i32(w1); + tcg_temp_free_i32(w2); + tcg_temp_free_i32(w3); + return true; +} diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index c0e3b6bbdb..4e0c7a92eb 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -2910,3 +2910,80 @@ static inline void do_mulsr64(CPURISCVState *env, void *vd, void *va, } RVPR64(mulsr64); + +/* Miscellaneous Instructions */ +static inline void do_ave(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd, *a = va, *b = vb, half; + + half = hadd64(*a, *b); + if ((*a ^ *b) & 0x1) { + half++; + } + *d = half; +} + +RVPR(ave, 1, sizeof(target_ulong)); + +static inline void do_sra_u(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd, *a = va; + uint8_t *b = vb; + uint8_t shift = riscv_has_ext(env, RV32) ? (*b & 0x1f) : (*b & 0x3f); + + *d = vssra64(env, 0, *a, shift); +} + +RVPR(sra_u, 1, sizeof(target_ulong)); + +static inline void do_bitrev(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_ulong *d = vd, *a = va; + uint8_t *b = vb; + uint8_t shift = riscv_has_ext(env, RV32) ? (*b & 0x1f) : (*b & 0x3f); + + *d = revbit64(*a) >> (64 - shift - 1); +} + +RVPR(bitrev, 1, sizeof(target_ulong)); + +static inline target_ulong +rvpr_64(CPURISCVState *env, uint64_t a, target_ulong b, PackedFn3 *fn) +{ + target_ulong result = 0; + + fn(env, &result, &a, &b); + return result; +} + +#define RVPR_64(NAME) \ +target_ulong HELPER(NAME)(CPURISCVState *env, uint64_t a, \ + target_ulong b) \ +{ \ + return rvpr_64(env, a, b, (PackedFn3 *)do_##NAME); \ +} + +static inline void do_wext(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int64_t *a = va; + uint8_t b = *(uint8_t *)vb & 0x1f; + + *d = sextract64(*a, b, 32); +} + +RVPR_64(wext); + +static inline void do_bpick(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) +{ + target_long *d = vd, *a = va, *b = vb, *c = vc; + + *d = (*c & *a) | (~*c & *b); +} + +RVPR_ACC(bpick, 1, sizeof(target_ulong)); -- 2.25.1
next prev parent reply other threads:[~2021-06-10 8:33 UTC|newest] Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-10 7:58 [PATCH v2 00/37] target/riscv: support packed extension v0.9.4 LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 01/37] target/riscv: implementation-defined constant parameters LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 02/37] target/riscv: Make the vector helper functions public LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 03/37] target/riscv: 16-bit Addition & Subtraction Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 18:00 ` Richard Henderson 2021-06-10 18:00 ` Richard Henderson 2021-06-10 7:58 ` [PATCH v2 04/37] target/riscv: 8-bit Addition & Subtraction Instruction LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 19:39 ` Richard Henderson 2021-06-10 19:39 ` Richard Henderson 2021-06-11 4:36 ` LIU Zhiwei 2021-06-11 4:36 ` LIU Zhiwei 2021-06-24 6:05 ` LIU Zhiwei 2021-06-24 6:05 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 05/37] target/riscv: SIMD 16-bit Shift Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 19:44 ` Richard Henderson 2021-06-10 19:44 ` Richard Henderson 2021-06-10 7:58 ` [PATCH v2 06/37] target/riscv: SIMD 8-bit " LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 07/37] target/riscv: SIMD 16-bit Compare Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 08/37] target/riscv: SIMD 8-bit " LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 09/37] target/riscv: SIMD 16-bit Multiply Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 10/37] target/riscv: SIMD 8-bit " LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 11/37] target/riscv: SIMD 16-bit Miscellaneous Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 12/37] target/riscv: SIMD 8-bit " LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 13/37] target/riscv: 8-bit Unpacking Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 14/37] target/riscv: 16-bit Packing Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 15/37] target/riscv: Signed MSW 32x32 Multiply and Add Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 16/37] target/riscv: Signed MSW 32x16 " LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 17/37] target/riscv: Signed 16-bit Multiply 32-bit Add/Subtract Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 18/37] target/riscv: Signed 16-bit Multiply 64-bit " LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 19/37] target/riscv: Partial-SIMD Miscellaneous Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 20/37] target/riscv: 8-bit Multiply with 32-bit Add Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 21/37] target/riscv: 64-bit Add/Subtract Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 22/37] target/riscv: 32-bit Multiply " LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 23/37] target/riscv: Signed 16-bit Multiply with " LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 24/37] target/riscv: Non-SIMD Q15 saturation ALU Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 25/37] target/riscv: Non-SIMD Q31 " LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 26/37] target/riscv: 32-bit Computation Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei [this message] 2021-06-10 7:58 ` [PATCH v2 27/37] target/riscv: Non-SIMD Miscellaneous Instructions LIU Zhiwei 2021-06-10 7:58 ` [PATCH v2 28/37] target/riscv: RV64 Only SIMD 32-bit Add/Subtract Instructions LIU Zhiwei 2021-06-10 7:58 ` LIU Zhiwei 2021-06-10 7:59 ` [PATCH v2 29/37] target/riscv: RV64 Only SIMD 32-bit Shift Instructions LIU Zhiwei 2021-06-10 7:59 ` LIU Zhiwei 2021-06-10 7:59 ` [PATCH v2 30/37] target/riscv: RV64 Only SIMD 32-bit Miscellaneous Instructions LIU Zhiwei 2021-06-10 7:59 ` LIU Zhiwei 2021-06-10 7:59 ` [PATCH v2 31/37] target/riscv: RV64 Only SIMD Q15 saturating Multiply Instructions LIU Zhiwei 2021-06-10 7:59 ` LIU Zhiwei 2021-06-10 7:59 ` [PATCH v2 32/37] target/riscv: RV64 Only 32-bit " LIU Zhiwei 2021-06-10 7:59 ` LIU Zhiwei 2021-06-10 7:59 ` [PATCH v2 33/37] target/riscv: RV64 Only 32-bit Multiply & Add Instructions LIU Zhiwei 2021-06-10 7:59 ` LIU Zhiwei 2021-06-10 7:59 ` [PATCH v2 34/37] target/riscv: RV64 Only 32-bit Parallel " LIU Zhiwei 2021-06-10 7:59 ` LIU Zhiwei 2021-06-10 7:59 ` [PATCH v2 35/37] target/riscv: RV64 Only Non-SIMD 32-bit Shift Instructions LIU Zhiwei 2021-06-10 7:59 ` LIU Zhiwei 2021-06-10 7:59 ` [PATCH v2 36/37] target/riscv: RV64 Only 32-bit Packing Instructions LIU Zhiwei 2021-06-10 7:59 ` LIU Zhiwei 2021-06-10 7:59 ` [PATCH v2 37/37] target/riscv: configure and turn on packed extension from command line LIU Zhiwei 2021-06-10 7:59 ` LIU Zhiwei 2021-06-14 22:55 ` [PATCH v2 00/37] target/riscv: support packed extension v0.9.4 no-reply 2021-06-14 22:55 ` no-reply
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