target/mips: msa: Split helpers for DOTP_S.<H|W|D>
Achieves clearer code and slightly better performance. Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com> Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com> Message-Id: <20200613152133.8964-8-aleksandar.qemu.devel@gmail.com>
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@ -1079,7 +1079,10 @@ DEF_HELPER_5(msa_subs_u_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_subsus_u_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_subsuu_s_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_mulv_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_dotp_s_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_4(msa_dotp_s_h, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_dotp_s_w, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_dotp_s_d, void, env, i32, i32, i32)
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DEF_HELPER_5(msa_dotp_u_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_4(msa_dpadd_s_h, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_dpadd_s_w, void, env, i32, i32, i32)
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@ -2236,6 +2236,60 @@ void helper_msa_div_u_d(CPUMIPSState *env,
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o = UNSIGNED_ODD(a, df); \
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} while (0)
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static inline int64_t msa_dotp_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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int64_t even_arg1;
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int64_t even_arg2;
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int64_t odd_arg1;
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int64_t odd_arg2;
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SIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df);
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SIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df);
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return (even_arg1 * even_arg2) + (odd_arg1 * odd_arg2);
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}
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void helper_msa_dotp_s_h(CPUMIPSState *env,
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uint32_t wd, uint32_t ws, uint32_t wt)
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{
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wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
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wr_t *pws = &(env->active_fpu.fpr[ws].wr);
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wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
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pwd->h[0] = msa_dotp_s_df(DF_HALF, pws->h[0], pwt->h[0]);
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pwd->h[1] = msa_dotp_s_df(DF_HALF, pws->h[1], pwt->h[1]);
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pwd->h[2] = msa_dotp_s_df(DF_HALF, pws->h[2], pwt->h[2]);
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pwd->h[3] = msa_dotp_s_df(DF_HALF, pws->h[3], pwt->h[3]);
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pwd->h[4] = msa_dotp_s_df(DF_HALF, pws->h[4], pwt->h[4]);
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pwd->h[5] = msa_dotp_s_df(DF_HALF, pws->h[5], pwt->h[5]);
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pwd->h[6] = msa_dotp_s_df(DF_HALF, pws->h[6], pwt->h[6]);
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pwd->h[7] = msa_dotp_s_df(DF_HALF, pws->h[7], pwt->h[7]);
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}
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void helper_msa_dotp_s_w(CPUMIPSState *env,
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uint32_t wd, uint32_t ws, uint32_t wt)
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{
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wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
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wr_t *pws = &(env->active_fpu.fpr[ws].wr);
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wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
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pwd->w[0] = msa_dotp_s_df(DF_WORD, pws->w[0], pwt->w[0]);
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pwd->w[1] = msa_dotp_s_df(DF_WORD, pws->w[1], pwt->w[1]);
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pwd->w[2] = msa_dotp_s_df(DF_WORD, pws->w[2], pwt->w[2]);
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pwd->w[3] = msa_dotp_s_df(DF_WORD, pws->w[3], pwt->w[3]);
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}
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void helper_msa_dotp_s_d(CPUMIPSState *env,
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uint32_t wd, uint32_t ws, uint32_t wt)
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{
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wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
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wr_t *pws = &(env->active_fpu.fpr[ws].wr);
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wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
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pwd->d[0] = msa_dotp_s_df(DF_DOUBLE, pws->d[0], pwt->d[0]);
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pwd->d[1] = msa_dotp_s_df(DF_DOUBLE, pws->d[1], pwt->d[1]);
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}
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static inline int64_t msa_dpadd_s_df(uint32_t df, int64_t dest, int64_t arg1,
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int64_t arg2)
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{
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@ -5010,17 +5064,6 @@ static inline int64_t msa_mulv_df(uint32_t df, int64_t arg1, int64_t arg2)
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return arg1 * arg2;
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}
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static inline int64_t msa_dotp_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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int64_t even_arg1;
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int64_t even_arg2;
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int64_t odd_arg1;
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int64_t odd_arg2;
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SIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df);
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SIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df);
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return (even_arg1 * even_arg2) + (odd_arg1 * odd_arg2);
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}
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static inline int64_t msa_dotp_u_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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int64_t even_arg1;
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@ -5155,7 +5198,6 @@ MSA_BINOP_DF(subs_u)
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MSA_BINOP_DF(subsus_u)
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MSA_BINOP_DF(subsuu_s)
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MSA_BINOP_DF(mulv)
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MSA_BINOP_DF(dotp_s)
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MSA_BINOP_DF(dotp_u)
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MSA_BINOP_DF(mul_q)
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@ -29394,7 +29394,17 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
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}
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break;
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case OPC_DOTP_S_df:
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gen_helper_msa_dotp_s_df(cpu_env, tdf, twd, tws, twt);
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switch (df) {
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case DF_HALF:
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gen_helper_msa_dotp_s_h(cpu_env, twd, tws, twt);
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break;
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case DF_WORD:
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gen_helper_msa_dotp_s_w(cpu_env, twd, tws, twt);
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break;
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case DF_DOUBLE:
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gen_helper_msa_dotp_s_d(cpu_env, twd, tws, twt);
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break;
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}
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break;
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case OPC_DOTP_U_df:
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gen_helper_msa_dotp_u_df(cpu_env, tdf, twd, tws, twt);
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