target/mips: msa: Split helpers for AVE_<S|U>.<B|H|W|D>
Achieves clearer code and slightly better performance. Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com> Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com> Message-Id: <1569415572-19635-13-git-send-email-aleksandar.markovic@rt-rk.com>
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@ -822,6 +822,16 @@ DEF_HELPER_4(msa_bset_h, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_bset_w, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_bset_d, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_ave_s_b, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_ave_s_h, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_ave_s_w, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_ave_s_d, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_ave_u_b, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_ave_u_h, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_ave_u_w, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_ave_u_d, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_andi_b, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_ori_b, void, env, i32, i32, i32)
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@ -880,8 +890,6 @@ DEF_HELPER_5(msa_add_a_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_adds_a_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_adds_s_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_adds_u_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_ave_s_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_ave_u_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_aver_s_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_aver_u_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_subs_s_df, void, env, i32, i32, i32, i32)
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@ -832,7 +832,151 @@ void helper_msa_bset_d(CPUMIPSState *env, uint32_t wd, uint32_t ws, uint32_t wt)
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* +---------------+----------------------------------------------------------+
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*/
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/* TODO: insert Int Average group helpers here */
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static inline int64_t msa_ave_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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/* signed shift */
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return (arg1 >> 1) + (arg2 >> 1) + (arg1 & arg2 & 1);
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}
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void helper_msa_ave_s_b(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->b[0] = msa_ave_s_df(DF_BYTE, pws->b[0], pwt->b[0]);
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pwd->b[1] = msa_ave_s_df(DF_BYTE, pws->b[1], pwt->b[1]);
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pwd->b[2] = msa_ave_s_df(DF_BYTE, pws->b[2], pwt->b[2]);
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pwd->b[3] = msa_ave_s_df(DF_BYTE, pws->b[3], pwt->b[3]);
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pwd->b[4] = msa_ave_s_df(DF_BYTE, pws->b[4], pwt->b[4]);
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pwd->b[5] = msa_ave_s_df(DF_BYTE, pws->b[5], pwt->b[5]);
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pwd->b[6] = msa_ave_s_df(DF_BYTE, pws->b[6], pwt->b[6]);
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pwd->b[7] = msa_ave_s_df(DF_BYTE, pws->b[7], pwt->b[7]);
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pwd->b[8] = msa_ave_s_df(DF_BYTE, pws->b[8], pwt->b[8]);
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pwd->b[9] = msa_ave_s_df(DF_BYTE, pws->b[9], pwt->b[9]);
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pwd->b[10] = msa_ave_s_df(DF_BYTE, pws->b[10], pwt->b[10]);
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pwd->b[11] = msa_ave_s_df(DF_BYTE, pws->b[11], pwt->b[11]);
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pwd->b[12] = msa_ave_s_df(DF_BYTE, pws->b[12], pwt->b[12]);
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pwd->b[13] = msa_ave_s_df(DF_BYTE, pws->b[13], pwt->b[13]);
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pwd->b[14] = msa_ave_s_df(DF_BYTE, pws->b[14], pwt->b[14]);
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pwd->b[15] = msa_ave_s_df(DF_BYTE, pws->b[15], pwt->b[15]);
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}
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void helper_msa_ave_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_ave_s_df(DF_HALF, pws->h[0], pwt->h[0]);
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pwd->h[1] = msa_ave_s_df(DF_HALF, pws->h[1], pwt->h[1]);
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pwd->h[2] = msa_ave_s_df(DF_HALF, pws->h[2], pwt->h[2]);
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pwd->h[3] = msa_ave_s_df(DF_HALF, pws->h[3], pwt->h[3]);
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pwd->h[4] = msa_ave_s_df(DF_HALF, pws->h[4], pwt->h[4]);
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pwd->h[5] = msa_ave_s_df(DF_HALF, pws->h[5], pwt->h[5]);
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pwd->h[6] = msa_ave_s_df(DF_HALF, pws->h[6], pwt->h[6]);
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pwd->h[7] = msa_ave_s_df(DF_HALF, pws->h[7], pwt->h[7]);
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}
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void helper_msa_ave_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_ave_s_df(DF_WORD, pws->w[0], pwt->w[0]);
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pwd->w[1] = msa_ave_s_df(DF_WORD, pws->w[1], pwt->w[1]);
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pwd->w[2] = msa_ave_s_df(DF_WORD, pws->w[2], pwt->w[2]);
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pwd->w[3] = msa_ave_s_df(DF_WORD, pws->w[3], pwt->w[3]);
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}
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void helper_msa_ave_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_ave_s_df(DF_DOUBLE, pws->d[0], pwt->d[0]);
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pwd->d[1] = msa_ave_s_df(DF_DOUBLE, pws->d[1], pwt->d[1]);
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}
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static inline uint64_t msa_ave_u_df(uint32_t df, uint64_t arg1, uint64_t arg2)
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{
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uint64_t u_arg1 = UNSIGNED(arg1, df);
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uint64_t u_arg2 = UNSIGNED(arg2, df);
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/* unsigned shift */
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return (u_arg1 >> 1) + (u_arg2 >> 1) + (u_arg1 & u_arg2 & 1);
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}
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void helper_msa_ave_u_b(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->b[0] = msa_ave_u_df(DF_BYTE, pws->b[0], pwt->b[0]);
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pwd->b[1] = msa_ave_u_df(DF_BYTE, pws->b[1], pwt->b[1]);
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pwd->b[2] = msa_ave_u_df(DF_BYTE, pws->b[2], pwt->b[2]);
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pwd->b[3] = msa_ave_u_df(DF_BYTE, pws->b[3], pwt->b[3]);
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pwd->b[4] = msa_ave_u_df(DF_BYTE, pws->b[4], pwt->b[4]);
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pwd->b[5] = msa_ave_u_df(DF_BYTE, pws->b[5], pwt->b[5]);
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pwd->b[6] = msa_ave_u_df(DF_BYTE, pws->b[6], pwt->b[6]);
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pwd->b[7] = msa_ave_u_df(DF_BYTE, pws->b[7], pwt->b[7]);
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pwd->b[8] = msa_ave_u_df(DF_BYTE, pws->b[8], pwt->b[8]);
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pwd->b[9] = msa_ave_u_df(DF_BYTE, pws->b[9], pwt->b[9]);
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pwd->b[10] = msa_ave_u_df(DF_BYTE, pws->b[10], pwt->b[10]);
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pwd->b[11] = msa_ave_u_df(DF_BYTE, pws->b[11], pwt->b[11]);
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pwd->b[12] = msa_ave_u_df(DF_BYTE, pws->b[12], pwt->b[12]);
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pwd->b[13] = msa_ave_u_df(DF_BYTE, pws->b[13], pwt->b[13]);
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pwd->b[14] = msa_ave_u_df(DF_BYTE, pws->b[14], pwt->b[14]);
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pwd->b[15] = msa_ave_u_df(DF_BYTE, pws->b[15], pwt->b[15]);
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}
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void helper_msa_ave_u_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_ave_u_df(DF_HALF, pws->h[0], pwt->h[0]);
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pwd->h[1] = msa_ave_u_df(DF_HALF, pws->h[1], pwt->h[1]);
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pwd->h[2] = msa_ave_u_df(DF_HALF, pws->h[2], pwt->h[2]);
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pwd->h[3] = msa_ave_u_df(DF_HALF, pws->h[3], pwt->h[3]);
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pwd->h[4] = msa_ave_u_df(DF_HALF, pws->h[4], pwt->h[4]);
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pwd->h[5] = msa_ave_u_df(DF_HALF, pws->h[5], pwt->h[5]);
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pwd->h[6] = msa_ave_u_df(DF_HALF, pws->h[6], pwt->h[6]);
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pwd->h[7] = msa_ave_u_df(DF_HALF, pws->h[7], pwt->h[7]);
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}
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void helper_msa_ave_u_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_ave_u_df(DF_WORD, pws->w[0], pwt->w[0]);
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pwd->w[1] = msa_ave_u_df(DF_WORD, pws->w[1], pwt->w[1]);
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pwd->w[2] = msa_ave_u_df(DF_WORD, pws->w[2], pwt->w[2]);
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pwd->w[3] = msa_ave_u_df(DF_WORD, pws->w[3], pwt->w[3]);
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}
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void helper_msa_ave_u_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_ave_u_df(DF_DOUBLE, pws->d[0], pwt->d[0]);
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pwd->d[1] = msa_ave_u_df(DF_DOUBLE, pws->d[1], pwt->d[1]);
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}
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/*
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@ -1600,20 +1744,6 @@ static inline uint64_t msa_adds_u_df(uint32_t df, uint64_t arg1, uint64_t arg2)
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return (u_arg1 < max_uint - u_arg2) ? u_arg1 + u_arg2 : max_uint;
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}
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static inline int64_t msa_ave_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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/* signed shift */
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return (arg1 >> 1) + (arg2 >> 1) + (arg1 & arg2 & 1);
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}
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static inline uint64_t msa_ave_u_df(uint32_t df, uint64_t arg1, uint64_t arg2)
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{
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uint64_t u_arg1 = UNSIGNED(arg1, df);
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uint64_t u_arg2 = UNSIGNED(arg2, df);
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/* unsigned shift */
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return (u_arg1 >> 1) + (u_arg2 >> 1) + (u_arg1 & u_arg2 & 1);
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}
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static inline int64_t msa_aver_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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/* signed shift */
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@ -1935,8 +2065,6 @@ MSA_BINOP_DF(add_a)
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MSA_BINOP_DF(adds_a)
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MSA_BINOP_DF(adds_s)
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MSA_BINOP_DF(adds_u)
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MSA_BINOP_DF(ave_s)
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MSA_BINOP_DF(ave_u)
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MSA_BINOP_DF(aver_s)
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MSA_BINOP_DF(aver_u)
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MSA_BINOP_DF(subs_s)
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@ -28466,6 +28466,38 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
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break;
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}
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break;
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case OPC_AVE_S_df:
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switch (df) {
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case DF_BYTE:
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gen_helper_msa_ave_s_b(cpu_env, twd, tws, twt);
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break;
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case DF_HALF:
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gen_helper_msa_ave_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_ave_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_ave_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_AVE_U_df:
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switch (df) {
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case DF_BYTE:
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gen_helper_msa_ave_u_b(cpu_env, twd, tws, twt);
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break;
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case DF_HALF:
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gen_helper_msa_ave_u_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_ave_u_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_ave_u_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_SLL_df:
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gen_helper_msa_sll_df(cpu_env, tdf, twd, tws, twt);
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break;
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@ -28556,9 +28588,6 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
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case OPC_CLE_S_df:
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gen_helper_msa_cle_s_df(cpu_env, tdf, twd, tws, twt);
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break;
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case OPC_AVE_S_df:
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gen_helper_msa_ave_s_df(cpu_env, tdf, twd, tws, twt);
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break;
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case OPC_ASUB_S_df:
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gen_helper_msa_asub_s_df(cpu_env, tdf, twd, tws, twt);
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break;
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@ -28574,9 +28603,6 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
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case OPC_CLE_U_df:
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gen_helper_msa_cle_u_df(cpu_env, tdf, twd, tws, twt);
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break;
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case OPC_AVE_U_df:
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gen_helper_msa_ave_u_df(cpu_env, tdf, twd, tws, twt);
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break;
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case OPC_ASUB_U_df:
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gen_helper_msa_asub_u_df(cpu_env, tdf, twd, tws, twt);
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break;
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