diff options
| -rw-r--r-- | target/mips/tcg/msa.decode | 8 | ||||
| -rw-r--r-- | target/mips/tcg/msa_translate.c | 57 |
2 files changed, 52 insertions, 13 deletions
diff --git a/target/mips/tcg/msa.decode b/target/mips/tcg/msa.decode index 391261109a..bf014524ee 100644 --- a/target/mips/tcg/msa.decode +++ b/target/mips/tcg/msa.decode @@ -18,7 +18,10 @@ &msa_ldi df wd sa &msa_i df wd ws sa &msa_bit df wd ws m +&msa_elm_df df wd ws n +%elm_df 16:6 !function=elm_df +%elm_n 16:6 !function=elm_n %bit_df 16:7 !function=bit_df %bit_m 16:7 !function=bit_m %2r_df_w 16:1 !function=plus_2 @@ -29,6 +32,7 @@ @ldst ...... sa:s10 ws:5 wd:5 .... df:2 &msa_i @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 @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 @@ -161,6 +165,10 @@ BNZ 010001 111 .. ..... ................ @bz HSUB_S 011110 110.. ..... ..... ..... 010101 @3r HSUB_U 011110 111.. ..... ..... ..... 010101 @3r + SLDI 011110 0000 ...... ..... ..... 011001 @elm_df + SPLATI 011110 0001 ...... ..... ..... 011001 @elm_df + INSVE 011110 0101 ...... ..... ..... 011001 @elm_df + FCAF 011110 0000 . ..... ..... ..... 011010 @3rf_w FCUN 011110 0001 . ..... ..... ..... 011010 @3rf_w FCEQ 011110 0010 . ..... ..... ..... 011010 @3rf_w diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c index 3b95e081a0..14e0a8879c 100644 --- a/target/mips/tcg/msa_translate.c +++ b/target/mips/tcg/msa_translate.c @@ -17,6 +17,8 @@ #include "fpu_helper.h" #include "internal.h" +static int elm_n(DisasContext *ctx, int x); +static int elm_df(DisasContext *ctx, int x); static int bit_m(DisasContext *ctx, int x); static int bit_df(DisasContext *ctx, int x); @@ -42,15 +44,12 @@ enum { enum { /* ELM instructions df(bits 21..16) = _b, _h, _w, _d */ - OPC_SLDI_df = (0x0 << 22) | (0x00 << 16) | OPC_MSA_ELM, OPC_CTCMSA = (0x0 << 22) | (0x3E << 16) | OPC_MSA_ELM, - OPC_SPLATI_df = (0x1 << 22) | (0x00 << 16) | OPC_MSA_ELM, OPC_CFCMSA = (0x1 << 22) | (0x3E << 16) | OPC_MSA_ELM, OPC_COPY_S_df = (0x2 << 22) | (0x00 << 16) | OPC_MSA_ELM, OPC_MOVE_V = (0x2 << 22) | (0x3E << 16) | OPC_MSA_ELM, 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, }; static const char msaregnames[][6] = { @@ -107,6 +106,24 @@ static int df_extract_df(DisasContext *ctx, int x, const struct dfe *s) return -1; } +static const struct dfe df_elm[] = { + /* Table 3.26 ELM Instruction Format */ + [DF_BYTE] = {4, 2, 0b00}, + [DF_HALF] = {3, 3, 0b100}, + [DF_WORD] = {2, 4, 0b1100}, + [DF_DOUBLE] = {1, 5, 0b11100} +}; + +static int elm_n(DisasContext *ctx, int x) +{ + return df_extract_val(ctx, x, df_elm); +} + +static int elm_df(DisasContext *ctx, int x) +{ + return df_extract_df(ctx, x, df_elm); +} + static const struct dfe df_bit[] = { /* Table 3.28 BIT Instruction Format */ [DF_BYTE] = {3, 4, 0b1110}, @@ -551,6 +568,30 @@ static void gen_msa_elm_3e(DisasContext *ctx) tcg_temp_free_i32(tsr); } +static bool trans_msa_elm(DisasContext *ctx, arg_msa_elm_df *a, + gen_helper_piiii *gen_msa_elm_df) +{ + if (a->df < 0) { + return false; + } + + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_msa_elm_df(cpu_env, + tcg_constant_i32(a->df), + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws), + tcg_constant_i32(a->n)); + + return true; +} + +TRANS(SLDI, trans_msa_elm, gen_helper_msa_sldi_df); +TRANS(SPLATI, trans_msa_elm, gen_helper_msa_splati_df); +TRANS(INSVE, trans_msa_elm, gen_helper_msa_insve_df); + static void gen_msa_elm_df(DisasContext *ctx, uint32_t df, uint32_t n) { #define MASK_MSA_ELM(op) (MASK_MSA_MINOR(op) | (op & (0xf << 22))) @@ -560,18 +601,8 @@ static void gen_msa_elm_df(DisasContext *ctx, uint32_t df, uint32_t n) TCGv_i32 tws = tcg_const_i32(ws); TCGv_i32 twd = tcg_const_i32(wd); TCGv_i32 tn = tcg_const_i32(n); - TCGv_i32 tdf = tcg_constant_i32(df); switch (MASK_MSA_ELM(ctx->opcode)) { - case OPC_SLDI_df: - gen_helper_msa_sldi_df(cpu_env, tdf, twd, tws, tn); - break; - case OPC_SPLATI_df: - gen_helper_msa_splati_df(cpu_env, tdf, twd, tws, tn); - break; - case OPC_INSVE_df: - gen_helper_msa_insve_df(cpu_env, tdf, twd, tws, tn); - break; case OPC_COPY_S_df: case OPC_COPY_U_df: case OPC_INSERT_df: |