diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2021-08-23 12:55:15 -0700 |
---|---|---|
committer | Alistair Francis <alistair.francis@wdc.com> | 2021-09-01 11:59:12 +1000 |
commit | f84ed8c2dffd938befc882cf5d347b57c4ee616f (patch) | |
tree | e2990bcac0fcff4935bc073e98c678177de37045 /target | |
parent | b66a0585f033a5505f1da2f624966b4fce40cddb (diff) | |
download | qemu-f84ed8c2dffd938befc882cf5d347b57c4ee616f.zip qemu-f84ed8c2dffd938befc882cf5d347b57c4ee616f.tar.gz qemu-f84ed8c2dffd938befc882cf5d347b57c4ee616f.tar.bz2 |
target/riscv: Move gen_* helpers for RVB
Move these helpers near their use by the trans_*
functions within insn_trans/trans_rvb.c.inc.
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210823195529.560295-11-richard.henderson@linaro.org
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target')
-rw-r--r-- | target/riscv/insn_trans/trans_rvb.c.inc | 234 | ||||
-rw-r--r-- | target/riscv/translate.c | 233 |
2 files changed, 234 insertions, 233 deletions
diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_trans/trans_rvb.c.inc index 217a7d1..73f088b 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -17,12 +17,23 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ + +static void gen_clz(TCGv ret, TCGv arg1) +{ + tcg_gen_clzi_tl(ret, arg1, TARGET_LONG_BITS); +} + static bool trans_clz(DisasContext *ctx, arg_clz *a) { REQUIRE_EXT(ctx, RVB); return gen_unary(ctx, a, gen_clz); } +static void gen_ctz(TCGv ret, TCGv arg1) +{ + tcg_gen_ctzi_tl(ret, arg1, TARGET_LONG_BITS); +} + static bool trans_ctz(DisasContext *ctx, arg_ctz *a) { REQUIRE_EXT(ctx, RVB); @@ -53,18 +64,41 @@ static bool trans_xnor(DisasContext *ctx, arg_xnor *a) return gen_arith(ctx, a, EXT_NONE, tcg_gen_eqv_tl); } +static void gen_pack(TCGv ret, TCGv arg1, TCGv arg2) +{ + tcg_gen_deposit_tl(ret, arg1, arg2, + TARGET_LONG_BITS / 2, + TARGET_LONG_BITS / 2); +} + static bool trans_pack(DisasContext *ctx, arg_pack *a) { REQUIRE_EXT(ctx, RVB); return gen_arith(ctx, a, EXT_NONE, gen_pack); } +static void gen_packu(TCGv ret, TCGv arg1, TCGv arg2) +{ + TCGv t = tcg_temp_new(); + tcg_gen_shri_tl(t, arg1, TARGET_LONG_BITS / 2); + tcg_gen_deposit_tl(ret, arg2, t, 0, TARGET_LONG_BITS / 2); + tcg_temp_free(t); +} + static bool trans_packu(DisasContext *ctx, arg_packu *a) { REQUIRE_EXT(ctx, RVB); return gen_arith(ctx, a, EXT_NONE, gen_packu); } +static void gen_packh(TCGv ret, TCGv arg1, TCGv arg2) +{ + TCGv t = tcg_temp_new(); + tcg_gen_ext8u_tl(t, arg2); + tcg_gen_deposit_tl(ret, arg1, t, 8, TARGET_LONG_BITS - 8); + tcg_temp_free(t); +} + static bool trans_packh(DisasContext *ctx, arg_packh *a) { REQUIRE_EXT(ctx, RVB); @@ -107,6 +141,22 @@ static bool trans_sext_h(DisasContext *ctx, arg_sext_h *a) return gen_unary(ctx, a, tcg_gen_ext16s_tl); } +static void gen_sbop_mask(TCGv ret, TCGv shamt) +{ + tcg_gen_movi_tl(ret, 1); + tcg_gen_shl_tl(ret, ret, shamt); +} + +static void gen_bset(TCGv ret, TCGv arg1, TCGv shamt) +{ + TCGv t = tcg_temp_new(); + + gen_sbop_mask(t, shamt); + tcg_gen_or_tl(ret, arg1, t); + + tcg_temp_free(t); +} + static bool trans_bset(DisasContext *ctx, arg_bset *a) { REQUIRE_EXT(ctx, RVB); @@ -119,6 +169,16 @@ static bool trans_bseti(DisasContext *ctx, arg_bseti *a) return gen_shifti(ctx, a, gen_bset); } +static void gen_bclr(TCGv ret, TCGv arg1, TCGv shamt) +{ + TCGv t = tcg_temp_new(); + + gen_sbop_mask(t, shamt); + tcg_gen_andc_tl(ret, arg1, t); + + tcg_temp_free(t); +} + static bool trans_bclr(DisasContext *ctx, arg_bclr *a) { REQUIRE_EXT(ctx, RVB); @@ -131,6 +191,16 @@ static bool trans_bclri(DisasContext *ctx, arg_bclri *a) return gen_shifti(ctx, a, gen_bclr); } +static void gen_binv(TCGv ret, TCGv arg1, TCGv shamt) +{ + TCGv t = tcg_temp_new(); + + gen_sbop_mask(t, shamt); + tcg_gen_xor_tl(ret, arg1, t); + + tcg_temp_free(t); +} + static bool trans_binv(DisasContext *ctx, arg_binv *a) { REQUIRE_EXT(ctx, RVB); @@ -143,6 +213,12 @@ static bool trans_binvi(DisasContext *ctx, arg_binvi *a) return gen_shifti(ctx, a, gen_binv); } +static void gen_bext(TCGv ret, TCGv arg1, TCGv shamt) +{ + tcg_gen_shr_tl(ret, arg1, shamt); + tcg_gen_andi_tl(ret, ret, 1); +} + static bool trans_bext(DisasContext *ctx, arg_bext *a) { REQUIRE_EXT(ctx, RVB); @@ -155,6 +231,13 @@ static bool trans_bexti(DisasContext *ctx, arg_bexti *a) return gen_shifti(ctx, a, gen_bext); } +static void gen_slo(TCGv ret, TCGv arg1, TCGv arg2) +{ + tcg_gen_not_tl(ret, arg1); + tcg_gen_shl_tl(ret, ret, arg2); + tcg_gen_not_tl(ret, ret); +} + static bool trans_slo(DisasContext *ctx, arg_slo *a) { REQUIRE_EXT(ctx, RVB); @@ -167,6 +250,13 @@ static bool trans_sloi(DisasContext *ctx, arg_sloi *a) return gen_shifti(ctx, a, gen_slo); } +static void gen_sro(TCGv ret, TCGv arg1, TCGv arg2) +{ + tcg_gen_not_tl(ret, arg1); + tcg_gen_shr_tl(ret, ret, arg2); + tcg_gen_not_tl(ret, ret); +} + static bool trans_sro(DisasContext *ctx, arg_sro *a) { REQUIRE_EXT(ctx, RVB); @@ -203,6 +293,28 @@ static bool trans_grev(DisasContext *ctx, arg_grev *a) return gen_shift(ctx, a, gen_helper_grev); } +static bool gen_grevi(DisasContext *ctx, arg_grevi *a) +{ + TCGv source1 = tcg_temp_new(); + TCGv source2; + + gen_get_gpr(ctx, source1, a->rs1); + + if (a->shamt == (TARGET_LONG_BITS - 8)) { + /* rev8, byte swaps */ + tcg_gen_bswap_tl(source1, source1); + } else { + source2 = tcg_temp_new(); + tcg_gen_movi_tl(source2, a->shamt); + gen_helper_grev(source1, source1, source2); + tcg_temp_free(source2); + } + + gen_set_gpr(ctx, a->rd, source1); + tcg_temp_free(source1); + return true; +} + static bool trans_grevi(DisasContext *ctx, arg_grevi *a) { REQUIRE_EXT(ctx, RVB); @@ -226,6 +338,21 @@ static bool trans_gorci(DisasContext *ctx, arg_gorci *a) return gen_shifti(ctx, a, gen_helper_gorc); } +#define GEN_SHADD(SHAMT) \ +static void gen_sh##SHAMT##add(TCGv ret, TCGv arg1, TCGv arg2) \ +{ \ + TCGv t = tcg_temp_new(); \ + \ + tcg_gen_shli_tl(t, arg1, SHAMT); \ + tcg_gen_add_tl(ret, t, arg2); \ + \ + tcg_temp_free(t); \ +} + +GEN_SHADD(1) +GEN_SHADD(2) +GEN_SHADD(3) + #define GEN_TRANS_SHADD(SHAMT) \ static bool trans_sh##SHAMT##add(DisasContext *ctx, arg_sh##SHAMT##add *a) \ { \ @@ -237,6 +364,13 @@ GEN_TRANS_SHADD(1) GEN_TRANS_SHADD(2) GEN_TRANS_SHADD(3) +static void gen_clzw(TCGv ret, TCGv arg1) +{ + tcg_gen_ext32u_tl(ret, arg1); + tcg_gen_clzi_tl(ret, ret, 64); + tcg_gen_subi_tl(ret, ret, 32); +} + static bool trans_clzw(DisasContext *ctx, arg_clzw *a) { REQUIRE_64BIT(ctx); @@ -244,6 +378,12 @@ static bool trans_clzw(DisasContext *ctx, arg_clzw *a) return gen_unary(ctx, a, gen_clzw); } +static void gen_ctzw(TCGv ret, TCGv arg1) +{ + tcg_gen_ori_tl(ret, arg1, (target_ulong)MAKE_64BIT_MASK(32, 32)); + tcg_gen_ctzi_tl(ret, ret, 64); +} + static bool trans_ctzw(DisasContext *ctx, arg_ctzw *a) { REQUIRE_64BIT(ctx); @@ -251,6 +391,12 @@ static bool trans_ctzw(DisasContext *ctx, arg_ctzw *a) return gen_unary(ctx, a, gen_ctzw); } +static void gen_cpopw(TCGv ret, TCGv arg1) +{ + tcg_gen_ext32u_tl(arg1, arg1); + tcg_gen_ctpop_tl(ret, arg1); +} + static bool trans_cpopw(DisasContext *ctx, arg_cpopw *a) { REQUIRE_64BIT(ctx); @@ -258,6 +404,14 @@ static bool trans_cpopw(DisasContext *ctx, arg_cpopw *a) return gen_unary(ctx, a, gen_cpopw); } +static void gen_packw(TCGv ret, TCGv arg1, TCGv arg2) +{ + TCGv t = tcg_temp_new(); + tcg_gen_ext16s_tl(t, arg2); + tcg_gen_deposit_tl(ret, arg1, t, 16, 48); + tcg_temp_free(t); +} + static bool trans_packw(DisasContext *ctx, arg_packw *a) { REQUIRE_64BIT(ctx); @@ -265,6 +419,15 @@ static bool trans_packw(DisasContext *ctx, arg_packw *a) return gen_arith(ctx, a, EXT_NONE, gen_packw); } +static void gen_packuw(TCGv ret, TCGv arg1, TCGv arg2) +{ + TCGv t = tcg_temp_new(); + tcg_gen_shri_tl(t, arg1, 16); + tcg_gen_deposit_tl(ret, arg2, t, 0, 16); + tcg_gen_ext32s_tl(ret, ret); + tcg_temp_free(t); +} + static bool trans_packuw(DisasContext *ctx, arg_packuw *a) { REQUIRE_64BIT(ctx); @@ -349,6 +512,24 @@ static bool trans_sroiw(DisasContext *ctx, arg_sroiw *a) return gen_shiftiw(ctx, a, gen_sro); } +static void gen_rorw(TCGv ret, TCGv arg1, TCGv arg2) +{ + TCGv_i32 t1 = tcg_temp_new_i32(); + TCGv_i32 t2 = tcg_temp_new_i32(); + + /* truncate to 32-bits */ + tcg_gen_trunc_tl_i32(t1, arg1); + tcg_gen_trunc_tl_i32(t2, arg2); + + tcg_gen_rotr_i32(t1, t1, t2); + + /* sign-extend 64-bits */ + tcg_gen_ext_i32_tl(ret, t1); + + tcg_temp_free_i32(t1); + tcg_temp_free_i32(t2); +} + static bool trans_rorw(DisasContext *ctx, arg_rorw *a) { REQUIRE_64BIT(ctx); @@ -363,6 +544,24 @@ static bool trans_roriw(DisasContext *ctx, arg_roriw *a) return gen_shiftiw(ctx, a, gen_rorw); } +static void gen_rolw(TCGv ret, TCGv arg1, TCGv arg2) +{ + TCGv_i32 t1 = tcg_temp_new_i32(); + TCGv_i32 t2 = tcg_temp_new_i32(); + + /* truncate to 32-bits */ + tcg_gen_trunc_tl_i32(t1, arg1); + tcg_gen_trunc_tl_i32(t2, arg2); + + tcg_gen_rotl_i32(t1, t1, t2); + + /* sign-extend 64-bits */ + tcg_gen_ext_i32_tl(ret, t1); + + tcg_temp_free_i32(t1); + tcg_temp_free_i32(t2); +} + static bool trans_rolw(DisasContext *ctx, arg_rolw *a) { REQUIRE_64BIT(ctx); @@ -370,6 +569,12 @@ static bool trans_rolw(DisasContext *ctx, arg_rolw *a) return gen_shiftw(ctx, a, gen_rolw); } +static void gen_grevw(TCGv ret, TCGv arg1, TCGv arg2) +{ + tcg_gen_ext32u_tl(arg1, arg1); + gen_helper_grev(ret, arg1, arg2); +} + static bool trans_grevw(DisasContext *ctx, arg_grevw *a) { REQUIRE_64BIT(ctx); @@ -384,6 +589,12 @@ static bool trans_greviw(DisasContext *ctx, arg_greviw *a) return gen_shiftiw(ctx, a, gen_grevw); } +static void gen_gorcw(TCGv ret, TCGv arg1, TCGv arg2) +{ + tcg_gen_ext32u_tl(arg1, arg1); + gen_helper_gorcw(ret, arg1, arg2); +} + static bool trans_gorcw(DisasContext *ctx, arg_gorcw *a) { REQUIRE_64BIT(ctx); @@ -398,6 +609,23 @@ static bool trans_gorciw(DisasContext *ctx, arg_gorciw *a) return gen_shiftiw(ctx, a, gen_gorcw); } +#define GEN_SHADD_UW(SHAMT) \ +static void gen_sh##SHAMT##add_uw(TCGv ret, TCGv arg1, TCGv arg2) \ +{ \ + TCGv t = tcg_temp_new(); \ + \ + tcg_gen_ext32u_tl(t, arg1); \ + \ + tcg_gen_shli_tl(t, t, SHAMT); \ + tcg_gen_add_tl(ret, t, arg2); \ + \ + tcg_temp_free(t); \ +} + +GEN_SHADD_UW(1) +GEN_SHADD_UW(2) +GEN_SHADD_UW(3) + #define GEN_TRANS_SHADD_UW(SHAMT) \ static bool trans_sh##SHAMT##add_uw(DisasContext *ctx, \ arg_sh##SHAMT##add_uw *a) \ @@ -411,6 +639,12 @@ GEN_TRANS_SHADD_UW(1) GEN_TRANS_SHADD_UW(2) GEN_TRANS_SHADD_UW(3) +static void gen_add_uw(TCGv ret, TCGv arg1, TCGv arg2) +{ + tcg_gen_ext32u_tl(arg1, arg1); + tcg_gen_add_tl(ret, arg1, arg2); +} + static bool trans_add_uw(DisasContext *ctx, arg_add_uw *a) { REQUIRE_64BIT(ctx); diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 7fbacfa..0985353 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -380,229 +380,6 @@ static bool gen_arith_imm_tl(DisasContext *ctx, arg_i *a, DisasExtend ext, return true; } -static void gen_pack(TCGv ret, TCGv arg1, TCGv arg2) -{ - tcg_gen_deposit_tl(ret, arg1, arg2, - TARGET_LONG_BITS / 2, - TARGET_LONG_BITS / 2); -} - -static void gen_packu(TCGv ret, TCGv arg1, TCGv arg2) -{ - TCGv t = tcg_temp_new(); - tcg_gen_shri_tl(t, arg1, TARGET_LONG_BITS / 2); - tcg_gen_deposit_tl(ret, arg2, t, 0, TARGET_LONG_BITS / 2); - tcg_temp_free(t); -} - -static void gen_packh(TCGv ret, TCGv arg1, TCGv arg2) -{ - TCGv t = tcg_temp_new(); - tcg_gen_ext8u_tl(t, arg2); - tcg_gen_deposit_tl(ret, arg1, t, 8, TARGET_LONG_BITS - 8); - tcg_temp_free(t); -} - -static void gen_sbop_mask(TCGv ret, TCGv shamt) -{ - tcg_gen_movi_tl(ret, 1); - tcg_gen_shl_tl(ret, ret, shamt); -} - -static void gen_bset(TCGv ret, TCGv arg1, TCGv shamt) -{ - TCGv t = tcg_temp_new(); - - gen_sbop_mask(t, shamt); - tcg_gen_or_tl(ret, arg1, t); - - tcg_temp_free(t); -} - -static void gen_bclr(TCGv ret, TCGv arg1, TCGv shamt) -{ - TCGv t = tcg_temp_new(); - - gen_sbop_mask(t, shamt); - tcg_gen_andc_tl(ret, arg1, t); - - tcg_temp_free(t); -} - -static void gen_binv(TCGv ret, TCGv arg1, TCGv shamt) -{ - TCGv t = tcg_temp_new(); - - gen_sbop_mask(t, shamt); - tcg_gen_xor_tl(ret, arg1, t); - - tcg_temp_free(t); -} - -static void gen_bext(TCGv ret, TCGv arg1, TCGv shamt) -{ - tcg_gen_shr_tl(ret, arg1, shamt); - tcg_gen_andi_tl(ret, ret, 1); -} - -static void gen_slo(TCGv ret, TCGv arg1, TCGv arg2) -{ - tcg_gen_not_tl(ret, arg1); - tcg_gen_shl_tl(ret, ret, arg2); - tcg_gen_not_tl(ret, ret); -} - -static void gen_sro(TCGv ret, TCGv arg1, TCGv arg2) -{ - tcg_gen_not_tl(ret, arg1); - tcg_gen_shr_tl(ret, ret, arg2); - tcg_gen_not_tl(ret, ret); -} - -static bool gen_grevi(DisasContext *ctx, arg_grevi *a) -{ - TCGv source1 = tcg_temp_new(); - TCGv source2; - - gen_get_gpr(ctx, source1, a->rs1); - - if (a->shamt == (TARGET_LONG_BITS - 8)) { - /* rev8, byte swaps */ - tcg_gen_bswap_tl(source1, source1); - } else { - source2 = tcg_temp_new(); - tcg_gen_movi_tl(source2, a->shamt); - gen_helper_grev(source1, source1, source2); - tcg_temp_free(source2); - } - - gen_set_gpr(ctx, a->rd, source1); - tcg_temp_free(source1); - return true; -} - -#define GEN_SHADD(SHAMT) \ -static void gen_sh##SHAMT##add(TCGv ret, TCGv arg1, TCGv arg2) \ -{ \ - TCGv t = tcg_temp_new(); \ - \ - tcg_gen_shli_tl(t, arg1, SHAMT); \ - tcg_gen_add_tl(ret, t, arg2); \ - \ - tcg_temp_free(t); \ -} - -GEN_SHADD(1) -GEN_SHADD(2) -GEN_SHADD(3) - -static void gen_ctzw(TCGv ret, TCGv arg1) -{ - tcg_gen_ori_tl(ret, arg1, (target_ulong)MAKE_64BIT_MASK(32, 32)); - tcg_gen_ctzi_tl(ret, ret, 64); -} - -static void gen_clzw(TCGv ret, TCGv arg1) -{ - tcg_gen_ext32u_tl(ret, arg1); - tcg_gen_clzi_tl(ret, ret, 64); - tcg_gen_subi_tl(ret, ret, 32); -} - -static void gen_cpopw(TCGv ret, TCGv arg1) -{ - tcg_gen_ext32u_tl(arg1, arg1); - tcg_gen_ctpop_tl(ret, arg1); -} - -static void gen_packw(TCGv ret, TCGv arg1, TCGv arg2) -{ - TCGv t = tcg_temp_new(); - tcg_gen_ext16s_tl(t, arg2); - tcg_gen_deposit_tl(ret, arg1, t, 16, 48); - tcg_temp_free(t); -} - -static void gen_packuw(TCGv ret, TCGv arg1, TCGv arg2) -{ - TCGv t = tcg_temp_new(); - tcg_gen_shri_tl(t, arg1, 16); - tcg_gen_deposit_tl(ret, arg2, t, 0, 16); - tcg_gen_ext32s_tl(ret, ret); - tcg_temp_free(t); -} - -static void gen_rorw(TCGv ret, TCGv arg1, TCGv arg2) -{ - TCGv_i32 t1 = tcg_temp_new_i32(); - TCGv_i32 t2 = tcg_temp_new_i32(); - - /* truncate to 32-bits */ - tcg_gen_trunc_tl_i32(t1, arg1); - tcg_gen_trunc_tl_i32(t2, arg2); - - tcg_gen_rotr_i32(t1, t1, t2); - - /* sign-extend 64-bits */ - tcg_gen_ext_i32_tl(ret, t1); - - tcg_temp_free_i32(t1); - tcg_temp_free_i32(t2); -} - -static void gen_rolw(TCGv ret, TCGv arg1, TCGv arg2) -{ - TCGv_i32 t1 = tcg_temp_new_i32(); - TCGv_i32 t2 = tcg_temp_new_i32(); - - /* truncate to 32-bits */ - tcg_gen_trunc_tl_i32(t1, arg1); - tcg_gen_trunc_tl_i32(t2, arg2); - - tcg_gen_rotl_i32(t1, t1, t2); - - /* sign-extend 64-bits */ - tcg_gen_ext_i32_tl(ret, t1); - - tcg_temp_free_i32(t1); - tcg_temp_free_i32(t2); -} - -static void gen_grevw(TCGv ret, TCGv arg1, TCGv arg2) -{ - tcg_gen_ext32u_tl(arg1, arg1); - gen_helper_grev(ret, arg1, arg2); -} - -static void gen_gorcw(TCGv ret, TCGv arg1, TCGv arg2) -{ - tcg_gen_ext32u_tl(arg1, arg1); - gen_helper_gorcw(ret, arg1, arg2); -} - -#define GEN_SHADD_UW(SHAMT) \ -static void gen_sh##SHAMT##add_uw(TCGv ret, TCGv arg1, TCGv arg2) \ -{ \ - TCGv t = tcg_temp_new(); \ - \ - tcg_gen_ext32u_tl(t, arg1); \ - \ - tcg_gen_shli_tl(t, t, SHAMT); \ - tcg_gen_add_tl(ret, t, arg2); \ - \ - tcg_temp_free(t); \ -} - -GEN_SHADD_UW(1) -GEN_SHADD_UW(2) -GEN_SHADD_UW(3) - -static void gen_add_uw(TCGv ret, TCGv arg1, TCGv arg2) -{ - tcg_gen_ext32u_tl(arg1, arg1); - tcg_gen_add_tl(ret, arg1, arg2); -} - static bool gen_arith(DisasContext *ctx, arg_r *a, DisasExtend ext, void (*func)(TCGv, TCGv, TCGv)) { @@ -701,16 +478,6 @@ static bool gen_shiftiw(DisasContext *ctx, arg_shift *a, return true; } -static void gen_ctz(TCGv ret, TCGv arg1) -{ - tcg_gen_ctzi_tl(ret, arg1, TARGET_LONG_BITS); -} - -static void gen_clz(TCGv ret, TCGv arg1) -{ - tcg_gen_clzi_tl(ret, arg1, TARGET_LONG_BITS); -} - static bool gen_unary(DisasContext *ctx, arg_r2 *a, void(*func)(TCGv, TCGv)) { |