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| author | Philippe Mathieu-Daudé | 2021-10-19 18:26:03 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé | 2021-11-02 14:32:32 +0100 |
| commit | 62ba0e855a0ffe90142de9b6aac0e89ab8c0b894 (patch) | |
| tree | 86148f7bd6cd61d88a0791af7f75326b532cf8ac /target/mips | |
| parent | target/mips: Convert MSA COPY_S and INSERT opcodes to decodetree (diff) | |
| download | qemu-62ba0e855a0ffe90142de9b6aac0e89ab8c0b894.tar.gz qemu-62ba0e855a0ffe90142de9b6aac0e89ab8c0b894.tar.xz qemu-62ba0e855a0ffe90142de9b6aac0e89ab8c0b894.zip | |
target/mips: Convert MSA MOVE.V opcode to decodetree
Convert the MOVE.V opcode (Vector Move) 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: <20211028210843.2120802-28-f4bug@amsat.org>
Diffstat (limited to 'target/mips')
| -rw-r--r-- | target/mips/tcg/msa.decode | 7 | ||||
| -rw-r--r-- | target/mips/tcg/msa_translate.c | 19 |
2 files changed, 20 insertions, 6 deletions
diff --git a/target/mips/tcg/msa.decode b/target/mips/tcg/msa.decode index 9aac6808fc..d1b6a63b52 100644 --- a/target/mips/tcg/msa.decode +++ b/target/mips/tcg/msa.decode @@ -19,6 +19,7 @@ &msa_i df wd ws sa &msa_bit df wd ws m &msa_elm_df df wd ws n +&msa_elm wd ws %elm_df 16:6 !function=elm_df %elm_n 16:6 !function=elm_n @@ -33,6 +34,7 @@ @bz_v ...... ... .. wt:5 sa:16 &msa_bz df=3 @bz ...... ... df:2 wt:5 sa:16 &msa_bz @elm_df ...... .... ...... ws:5 wd:5 ...... &msa_elm_df df=%elm_df n=%elm_n +@elm ...... .......... ws:5 wd:5 ...... &msa_elm @vec ...... ..... wt:5 ws:5 wd:5 ...... &msa_r df=0 @2r ...... ........ df:2 ws:5 wd:5 ...... &msa_r wt=0 @2rf ...... ......... . ws:5 wd:5 ...... &msa_r wt=0 df=%2r_df_w @@ -167,7 +169,10 @@ BNZ 010001 111 .. ..... ................ @bz SLDI 011110 0000 ...... ..... ..... 011001 @elm_df SPLATI 011110 0001 ...... ..... ..... 011001 @elm_df - COPY_S 011110 0010 ...... ..... ..... 011001 @elm_df + { + MOVE_V 011110 0010111110 ..... ..... 011001 @elm + COPY_S 011110 0010 ...... ..... ..... 011001 @elm_df + } COPY_U 011110 0011 ...... ..... ..... 011001 @elm_df INSERT 011110 0100 ...... ..... ..... 011001 @elm_df INSVE 011110 0101 ...... ..... ..... 011001 @elm_df diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c index 6a034831ef..ea572413ed 100644 --- a/target/mips/tcg/msa_translate.c +++ b/target/mips/tcg/msa_translate.c @@ -46,7 +46,6 @@ enum { /* ELM instructions df(bits 21..16) = _b, _h, _w, _d */ OPC_CTCMSA = (0x0 << 22) | (0x3E << 16) | OPC_MSA_ELM, OPC_CFCMSA = (0x1 << 22) | (0x3E << 16) | OPC_MSA_ELM, - OPC_MOVE_V = (0x2 << 22) | (0x3E << 16) | OPC_MSA_ELM, }; static const char msaregnames[][6] = { @@ -533,6 +532,19 @@ TRANS_DF_iii_b(HADD_U, trans_msa_3r, gen_helper_msa_hadd_u); TRANS_DF_iii_b(HSUB_S, trans_msa_3r, gen_helper_msa_hsub_s); TRANS_DF_iii_b(HSUB_U, trans_msa_3r, gen_helper_msa_hsub_u); +static bool trans_MOVE_V(DisasContext *ctx, arg_msa_elm *a) +{ + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_helper_msa_move_v(cpu_env, + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws)); + + return true; +} + static void gen_msa_elm_3e(DisasContext *ctx) { #define MASK_MSA_ELM_DF3E(op) (MASK_MSA_MINOR(op) | (op & (0x3FF << 16))) @@ -551,9 +563,6 @@ static void gen_msa_elm_3e(DisasContext *ctx) gen_helper_msa_cfcmsa(telm, cpu_env, tsr); gen_store_gpr(telm, dest); break; - case OPC_MOVE_V: - gen_helper_msa_move_v(cpu_env, tdt, tsr); - break; default: MIPS_INVAL("MSA instruction"); gen_reserved_instruction(ctx); @@ -654,7 +663,7 @@ static void gen_msa_elm(DisasContext *ctx) uint8_t dfn = (ctx->opcode >> 16) & 0x3f; if (dfn == 0x3E) { - /* CTCMSA, CFCMSA, MOVE.V */ + /* CTCMSA, CFCMSA */ gen_msa_elm_3e(ctx); return; } else { |