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| author | Yongbok Kim <yongbok.kim@imgtec.com> | 2014-11-01 05:28:45 +0000 |
|---|---|---|
| committer | Leon Alrae <leon.alrae@imgtec.com> | 2014-11-03 11:48:35 +0000 |
| commit | d4cf28dec265f2f8a25ddbe818b1da62e174bcfa (patch) | |
| tree | 37628a36e6e6c41d3d9accd3b01bad6eac4fa891 /target-mips/translate.c | |
| parent | 80e7159184fadfc2dee3b6cc92013d4c4c58348a (diff) | |
| download | qemu-d4cf28dec265f2f8a25ddbe818b1da62e174bcfa.tar.gz | |
target-mips: add MSA BIT format instructions
add MSA BIT format instructions
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Diffstat (limited to 'target-mips/translate.c')
| -rw-r--r-- | target-mips/translate.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c index e75b864b3b..1f3bd72e1a 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -17465,6 +17465,90 @@ static void gen_msa_i5(CPUMIPSState *env, DisasContext *ctx) tcg_temp_free_i32(timm); } +static void gen_msa_bit(CPUMIPSState *env, DisasContext *ctx) +{ +#define MASK_MSA_BIT(op) (MASK_MSA_MINOR(op) | (op & (0x7 << 23))) + uint8_t dfm = (ctx->opcode >> 16) & 0x7f; + uint32_t df = 0, m = 0; + uint8_t ws = (ctx->opcode >> 11) & 0x1f; + uint8_t wd = (ctx->opcode >> 6) & 0x1f; + + TCGv_i32 tdf; + TCGv_i32 tm; + TCGv_i32 twd; + TCGv_i32 tws; + + if ((dfm & 0x40) == 0x00) { + m = dfm & 0x3f; + df = DF_DOUBLE; + } else if ((dfm & 0x60) == 0x40) { + m = dfm & 0x1f; + df = DF_WORD; + } else if ((dfm & 0x70) == 0x60) { + m = dfm & 0x0f; + df = DF_HALF; + } else if ((dfm & 0x78) == 0x70) { + m = dfm & 0x7; + df = DF_BYTE; + } else { + generate_exception(ctx, EXCP_RI); + return; + } + + tdf = tcg_const_i32(df); + tm = tcg_const_i32(m); + twd = tcg_const_i32(wd); + tws = tcg_const_i32(ws); + + switch (MASK_MSA_BIT(ctx->opcode)) { + case OPC_SLLI_df: + gen_helper_msa_slli_df(cpu_env, tdf, twd, tws, tm); + break; + case OPC_SRAI_df: + gen_helper_msa_srai_df(cpu_env, tdf, twd, tws, tm); + break; + case OPC_SRLI_df: + gen_helper_msa_srli_df(cpu_env, tdf, twd, tws, tm); + break; + case OPC_BCLRI_df: + gen_helper_msa_bclri_df(cpu_env, tdf, twd, tws, tm); + break; + case OPC_BSETI_df: + gen_helper_msa_bseti_df(cpu_env, tdf, twd, tws, tm); + break; + case OPC_BNEGI_df: + gen_helper_msa_bnegi_df(cpu_env, tdf, twd, tws, tm); + break; + case OPC_BINSLI_df: + gen_helper_msa_binsli_df(cpu_env, tdf, twd, tws, tm); + break; + case OPC_BINSRI_df: + gen_helper_msa_binsri_df(cpu_env, tdf, twd, tws, tm); + break; + case OPC_SAT_S_df: + gen_helper_msa_sat_s_df(cpu_env, tdf, twd, tws, tm); + break; + case OPC_SAT_U_df: + gen_helper_msa_sat_u_df(cpu_env, tdf, twd, tws, tm); + break; + case OPC_SRARI_df: + gen_helper_msa_srari_df(cpu_env, tdf, twd, tws, tm); + break; + case OPC_SRLRI_df: + gen_helper_msa_srlri_df(cpu_env, tdf, twd, tws, tm); + break; + default: + MIPS_INVAL("MSA instruction"); + generate_exception(ctx, EXCP_RI); + break; + } + + tcg_temp_free_i32(tdf); + tcg_temp_free_i32(tm); + tcg_temp_free_i32(twd); + tcg_temp_free_i32(tws); +} + static void gen_msa(CPUMIPSState *env, DisasContext *ctx) { uint32_t opcode = ctx->opcode; @@ -17481,6 +17565,10 @@ static void gen_msa(CPUMIPSState *env, DisasContext *ctx) case OPC_MSA_I5_07: gen_msa_i5(env, ctx); break; + case OPC_MSA_BIT_09: + case OPC_MSA_BIT_0A: + gen_msa_bit(env, ctx); + break; default: MIPS_INVAL("MSA instruction"); generate_exception(ctx, EXCP_RI); |