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author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-10-19 10:37:13 +0200 |
---|---|---|
committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-11-02 14:32:32 +0100 |
commit | 2d5246f30573c27cee609021850fdd3c56cda1ec (patch) | |
tree | 59cacd84afd6221c7e0cbac5512d688a1a29d40f /target/mips | |
parent | ff29e5d3c0ac7f88b9cf1840451f5fc6c958171d (diff) | |
download | qemu-2d5246f30573c27cee609021850fdd3c56cda1ec.zip qemu-2d5246f30573c27cee609021850fdd3c56cda1ec.tar.gz qemu-2d5246f30573c27cee609021850fdd3c56cda1ec.tar.bz2 |
target/mips: Convert MSA 3RF instruction format to decodetree (DF_WORD)
Convert 3-register floating-point or fixed-point operations
to decodetree.
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211028210843.2120802-20-f4bug@amsat.org>
Diffstat (limited to 'target/mips')
-rw-r--r-- | target/mips/tcg/msa.decode | 39 | ||||
-rw-r--r-- | target/mips/tcg/msa_translate.c | 213 |
2 files changed, 76 insertions, 176 deletions
diff --git a/target/mips/tcg/msa.decode b/target/mips/tcg/msa.decode index f90b2d2..1d6ada4 100644 --- a/target/mips/tcg/msa.decode +++ b/target/mips/tcg/msa.decode @@ -23,6 +23,7 @@ %bit_m 16:7 !function=bit_m %2r_df_w 16:1 !function=plus_2 %3r_df_h 21:1 !function=plus_1 +%3r_df_w 21:1 !function=plus_2 @lsa ...... rs:5 rt:5 rd:5 ... sa:2 ...... &r @ldst ...... sa:s10 ws:5 wd:5 .... df:2 &msa_i @@ -32,6 +33,7 @@ @2r ...... ........ df:2 ws:5 wd:5 ...... &msa_r wt=0 @2rf ...... ......... . ws:5 wd:5 ...... &msa_r wt=0 df=%2r_df_w @3rf_h ...... .... . wt:5 ws:5 wd:5 ...... &msa_r df=%3r_df_h +@3rf_w ...... .... . wt:5 ws:5 wd:5 ...... &msa_r df=%3r_df_w @u5 ...... ... df:2 sa:5 ws:5 wd:5 ...... &msa_i @s5 ...... ... df:2 sa:s5 ws:5 wd:5 ...... &msa_i @i8_df ...... df:2 sa:s8 ws:5 wd:5 ...... &msa_i @@ -86,9 +88,46 @@ BNZ 010001 111 .. ..... ................ @bz SRARI 011110 010 ....... ..... ..... 001010 @bit SRLRI 011110 011 ....... ..... ..... 001010 @bit + FCAF 011110 0000 . ..... ..... ..... 011010 @3rf_w + FCUN 011110 0001 . ..... ..... ..... 011010 @3rf_w + FCEQ 011110 0010 . ..... ..... ..... 011010 @3rf_w + FCUEQ 011110 0011 . ..... ..... ..... 011010 @3rf_w + FCLT 011110 0100 . ..... ..... ..... 011010 @3rf_w + FCULT 011110 0101 . ..... ..... ..... 011010 @3rf_w + FCLE 011110 0110 . ..... ..... ..... 011010 @3rf_w + FCULE 011110 0111 . ..... ..... ..... 011010 @3rf_w + FSAF 011110 1000 . ..... ..... ..... 011010 @3rf_w + FSUN 011110 1001 . ..... ..... ..... 011010 @3rf_w + FSEQ 011110 1010 . ..... ..... ..... 011010 @3rf_w + FSUEQ 011110 1011 . ..... ..... ..... 011010 @3rf_w + FSLT 011110 1100 . ..... ..... ..... 011010 @3rf_w + FSULT 011110 1101 . ..... ..... ..... 011010 @3rf_w + FSLE 011110 1110 . ..... ..... ..... 011010 @3rf_w + FSULE 011110 1111 . ..... ..... ..... 011010 @3rf_w + + FADD 011110 0000 . ..... ..... ..... 011011 @3rf_w + FSUB 011110 0001 . ..... ..... ..... 011011 @3rf_w + FMUL 011110 0010 . ..... ..... ..... 011011 @3rf_w + FDIV 011110 0011 . ..... ..... ..... 011011 @3rf_w + FMADD 011110 0100 . ..... ..... ..... 011011 @3rf_w + FMSUB 011110 0101 . ..... ..... ..... 011011 @3rf_w + FEXP2 011110 0111 . ..... ..... ..... 011011 @3rf_w + FEXDO 011110 1000 . ..... ..... ..... 011011 @3rf_w + FTQ 011110 1010 . ..... ..... ..... 011011 @3rf_w + FMIN 011110 1100 . ..... ..... ..... 011011 @3rf_w + FMIN_A 011110 1101 . ..... ..... ..... 011011 @3rf_w + FMAX 011110 1110 . ..... ..... ..... 011011 @3rf_w + FMAX_A 011110 1111 . ..... ..... ..... 011011 @3rf_w + + FCOR 011110 0001 . ..... ..... ..... 011100 @3rf_w + FCUNE 011110 0010 . ..... ..... ..... 011100 @3rf_w + FCNE 011110 0011 . ..... ..... ..... 011100 @3rf_w MUL_Q 011110 0100 . ..... ..... ..... 011100 @3rf_h MADD_Q 011110 0101 . ..... ..... ..... 011100 @3rf_h MSUB_Q 011110 0110 . ..... ..... ..... 011100 @3rf_h + FSOR 011110 1001 . ..... ..... ..... 011100 @3rf_w + FSUNE 011110 1010 . ..... ..... ..... 011100 @3rf_w + FSNE 011110 1011 . ..... ..... ..... 011100 @3rf_w MULR_Q 011110 1100 . ..... ..... ..... 011100 @3rf_h MADDR_Q 011110 1101 . ..... ..... ..... 011100 @3rf_h MSUBR_Q 011110 1110 . ..... ..... ..... 011100 @3rf_h diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c index 65e56b2..26d05a8 100644 --- a/target/mips/tcg/msa_translate.c +++ b/target/mips/tcg/msa_translate.c @@ -47,9 +47,6 @@ enum { OPC_MSA_3R_14 = 0x14 | OPC_MSA, OPC_MSA_3R_15 = 0x15 | OPC_MSA, OPC_MSA_ELM = 0x19 | OPC_MSA, - OPC_MSA_3RF_1A = 0x1A | OPC_MSA, - OPC_MSA_3RF_1B = 0x1B | OPC_MSA, - OPC_MSA_3RF_1C = 0x1C | OPC_MSA, }; enum { @@ -128,43 +125,6 @@ enum { OPC_COPY_U_df = (0x3 << 22) | (0x00 << 16) | OPC_MSA_ELM, OPC_INSERT_df = (0x4 << 22) | (0x00 << 16) | OPC_MSA_ELM, OPC_INSVE_df = (0x5 << 22) | (0x00 << 16) | OPC_MSA_ELM, - - /* 3RF instruction _df(bit 21) = _w, _d */ - OPC_FCAF_df = (0x0 << 22) | OPC_MSA_3RF_1A, - OPC_FADD_df = (0x0 << 22) | OPC_MSA_3RF_1B, - OPC_FCUN_df = (0x1 << 22) | OPC_MSA_3RF_1A, - OPC_FSUB_df = (0x1 << 22) | OPC_MSA_3RF_1B, - OPC_FCOR_df = (0x1 << 22) | OPC_MSA_3RF_1C, - OPC_FCEQ_df = (0x2 << 22) | OPC_MSA_3RF_1A, - OPC_FMUL_df = (0x2 << 22) | OPC_MSA_3RF_1B, - OPC_FCUNE_df = (0x2 << 22) | OPC_MSA_3RF_1C, - OPC_FCUEQ_df = (0x3 << 22) | OPC_MSA_3RF_1A, - OPC_FDIV_df = (0x3 << 22) | OPC_MSA_3RF_1B, - OPC_FCNE_df = (0x3 << 22) | OPC_MSA_3RF_1C, - OPC_FCLT_df = (0x4 << 22) | OPC_MSA_3RF_1A, - OPC_FMADD_df = (0x4 << 22) | OPC_MSA_3RF_1B, - OPC_FCULT_df = (0x5 << 22) | OPC_MSA_3RF_1A, - OPC_FMSUB_df = (0x5 << 22) | OPC_MSA_3RF_1B, - OPC_FCLE_df = (0x6 << 22) | OPC_MSA_3RF_1A, - OPC_FCULE_df = (0x7 << 22) | OPC_MSA_3RF_1A, - OPC_FEXP2_df = (0x7 << 22) | OPC_MSA_3RF_1B, - OPC_FSAF_df = (0x8 << 22) | OPC_MSA_3RF_1A, - OPC_FEXDO_df = (0x8 << 22) | OPC_MSA_3RF_1B, - OPC_FSUN_df = (0x9 << 22) | OPC_MSA_3RF_1A, - OPC_FSOR_df = (0x9 << 22) | OPC_MSA_3RF_1C, - OPC_FSEQ_df = (0xA << 22) | OPC_MSA_3RF_1A, - OPC_FTQ_df = (0xA << 22) | OPC_MSA_3RF_1B, - OPC_FSUNE_df = (0xA << 22) | OPC_MSA_3RF_1C, - OPC_FSUEQ_df = (0xB << 22) | OPC_MSA_3RF_1A, - OPC_FSNE_df = (0xB << 22) | OPC_MSA_3RF_1C, - OPC_FSLT_df = (0xC << 22) | OPC_MSA_3RF_1A, - OPC_FMIN_df = (0xC << 22) | OPC_MSA_3RF_1B, - OPC_FSULT_df = (0xD << 22) | OPC_MSA_3RF_1A, - OPC_FMIN_A_df = (0xD << 22) | OPC_MSA_3RF_1B, - OPC_FSLE_df = (0xE << 22) | OPC_MSA_3RF_1A, - OPC_FMAX_df = (0xE << 22) | OPC_MSA_3RF_1B, - OPC_FSULE_df = (0xF << 22) | OPC_MSA_3RF_1A, - OPC_FMAX_A_df = (0xF << 22) | OPC_MSA_3RF_1B, }; static const char msaregnames[][6] = { @@ -1697,144 +1657,50 @@ static void gen_msa_elm(DisasContext *ctx) gen_msa_elm_df(ctx, df, n); } +TRANS(FCAF, trans_msa_3rf, gen_helper_msa_fcaf_df); +TRANS(FCUN, trans_msa_3rf, gen_helper_msa_fcun_df); +TRANS(FCEQ, trans_msa_3rf, gen_helper_msa_fceq_df); +TRANS(FCUEQ, trans_msa_3rf, gen_helper_msa_fcueq_df); +TRANS(FCLT, trans_msa_3rf, gen_helper_msa_fclt_df); +TRANS(FCULT, trans_msa_3rf, gen_helper_msa_fcult_df); +TRANS(FCLE, trans_msa_3rf, gen_helper_msa_fcle_df); +TRANS(FCULE, trans_msa_3rf, gen_helper_msa_fcule_df); +TRANS(FSAF, trans_msa_3rf, gen_helper_msa_fsaf_df); +TRANS(FSUN, trans_msa_3rf, gen_helper_msa_fsun_df); +TRANS(FSEQ, trans_msa_3rf, gen_helper_msa_fseq_df); +TRANS(FSUEQ, trans_msa_3rf, gen_helper_msa_fsueq_df); +TRANS(FSLT, trans_msa_3rf, gen_helper_msa_fslt_df); +TRANS(FSULT, trans_msa_3rf, gen_helper_msa_fsult_df); +TRANS(FSLE, trans_msa_3rf, gen_helper_msa_fsle_df); +TRANS(FSULE, trans_msa_3rf, gen_helper_msa_fsule_df); + +TRANS(FADD, trans_msa_3rf, gen_helper_msa_fadd_df); +TRANS(FSUB, trans_msa_3rf, gen_helper_msa_fsub_df); +TRANS(FMUL, trans_msa_3rf, gen_helper_msa_fmul_df); +TRANS(FDIV, trans_msa_3rf, gen_helper_msa_fdiv_df); +TRANS(FMADD, trans_msa_3rf, gen_helper_msa_fmadd_df); +TRANS(FMSUB, trans_msa_3rf, gen_helper_msa_fmsub_df); +TRANS(FEXP2, trans_msa_3rf, gen_helper_msa_fexp2_df); +TRANS(FEXDO, trans_msa_3rf, gen_helper_msa_fexdo_df); +TRANS(FTQ, trans_msa_3rf, gen_helper_msa_ftq_df); +TRANS(FMIN, trans_msa_3rf, gen_helper_msa_fmin_df); +TRANS(FMIN_A, trans_msa_3rf, gen_helper_msa_fmin_a_df); +TRANS(FMAX, trans_msa_3rf, gen_helper_msa_fmax_df); +TRANS(FMAX_A, trans_msa_3rf, gen_helper_msa_fmax_a_df); + +TRANS(FCOR, trans_msa_3rf, gen_helper_msa_fcor_df); +TRANS(FCUNE, trans_msa_3rf, gen_helper_msa_fcune_df); +TRANS(FCNE, trans_msa_3rf, gen_helper_msa_fcne_df); TRANS(MUL_Q, trans_msa_3rf, gen_helper_msa_mul_q_df); TRANS(MADD_Q, trans_msa_3rf, gen_helper_msa_madd_q_df); TRANS(MSUB_Q, trans_msa_3rf, gen_helper_msa_msub_q_df); +TRANS(FSOR, trans_msa_3rf, gen_helper_msa_fsor_df); +TRANS(FSUNE, trans_msa_3rf, gen_helper_msa_fsune_df); +TRANS(FSNE, trans_msa_3rf, gen_helper_msa_fsne_df); TRANS(MULR_Q, trans_msa_3rf, gen_helper_msa_mulr_q_df); TRANS(MADDR_Q, trans_msa_3rf, gen_helper_msa_maddr_q_df); TRANS(MSUBR_Q, trans_msa_3rf, gen_helper_msa_msubr_q_df); -static void gen_msa_3rf(DisasContext *ctx) -{ -#define MASK_MSA_3RF(op) (MASK_MSA_MINOR(op) | (op & (0xf << 22))) - uint8_t df = (ctx->opcode >> 21) & 0x1; - uint8_t wt = (ctx->opcode >> 16) & 0x1f; - uint8_t ws = (ctx->opcode >> 11) & 0x1f; - uint8_t wd = (ctx->opcode >> 6) & 0x1f; - - TCGv_i32 twd = tcg_const_i32(wd); - TCGv_i32 tws = tcg_const_i32(ws); - TCGv_i32 twt = tcg_const_i32(wt); - /* adjust df value for floating-point instruction */ - TCGv_i32 tdf = tcg_constant_i32(DF_WORD + df); - - switch (MASK_MSA_3RF(ctx->opcode)) { - case OPC_FCAF_df: - gen_helper_msa_fcaf_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FADD_df: - gen_helper_msa_fadd_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FCUN_df: - gen_helper_msa_fcun_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSUB_df: - gen_helper_msa_fsub_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FCOR_df: - gen_helper_msa_fcor_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FCEQ_df: - gen_helper_msa_fceq_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FMUL_df: - gen_helper_msa_fmul_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FCUNE_df: - gen_helper_msa_fcune_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FCUEQ_df: - gen_helper_msa_fcueq_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FDIV_df: - gen_helper_msa_fdiv_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FCNE_df: - gen_helper_msa_fcne_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FCLT_df: - gen_helper_msa_fclt_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FMADD_df: - gen_helper_msa_fmadd_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FCULT_df: - gen_helper_msa_fcult_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FMSUB_df: - gen_helper_msa_fmsub_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FCLE_df: - gen_helper_msa_fcle_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FCULE_df: - gen_helper_msa_fcule_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FEXP2_df: - gen_helper_msa_fexp2_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSAF_df: - gen_helper_msa_fsaf_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FEXDO_df: - gen_helper_msa_fexdo_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSUN_df: - gen_helper_msa_fsun_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSOR_df: - gen_helper_msa_fsor_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSEQ_df: - gen_helper_msa_fseq_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FTQ_df: - gen_helper_msa_ftq_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSUNE_df: - gen_helper_msa_fsune_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSUEQ_df: - gen_helper_msa_fsueq_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSNE_df: - gen_helper_msa_fsne_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSLT_df: - gen_helper_msa_fslt_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FMIN_df: - gen_helper_msa_fmin_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSULT_df: - gen_helper_msa_fsult_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FMIN_A_df: - gen_helper_msa_fmin_a_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSLE_df: - gen_helper_msa_fsle_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FMAX_df: - gen_helper_msa_fmax_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FSULE_df: - gen_helper_msa_fsule_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_FMAX_A_df: - gen_helper_msa_fmax_a_df(cpu_env, tdf, twd, tws, twt); - break; - default: - MIPS_INVAL("MSA instruction"); - gen_reserved_instruction(ctx); - break; - } - - tcg_temp_free_i32(twd); - tcg_temp_free_i32(tws); - tcg_temp_free_i32(twt); -} - static bool trans_msa_2r(DisasContext *ctx, arg_msa_r *a, gen_helper_pii *gen_msa_2r) { @@ -1925,11 +1791,6 @@ static bool trans_MSA(DisasContext *ctx, arg_MSA *a) case OPC_MSA_ELM: gen_msa_elm(ctx); break; - case OPC_MSA_3RF_1A: - case OPC_MSA_3RF_1B: - case OPC_MSA_3RF_1C: - gen_msa_3rf(ctx); - break; default: MIPS_INVAL("MSA instruction"); gen_reserved_instruction(ctx); |