mirror of https://github.com/proxmox/mirror_qemu
target/mips: msa: Split helpers for DIV_<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: <1569415572-19635-18-git-send-email-aleksandar.markovic@rt-rk.com>master
parent
1165669982
commit
64a0257f1f
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@ -867,6 +867,16 @@ DEF_HELPER_4(msa_clt_u_h, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_clt_u_w, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_clt_u_d, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_div_s_b, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_div_s_h, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_div_s_w, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_div_s_d, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_div_u_b, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_div_u_h, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_div_u_w, void, env, i32, i32, i32)
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DEF_HELPER_4(msa_div_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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@ -929,8 +939,6 @@ DEF_HELPER_5(msa_asub_u_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_maddv_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_msubv_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_div_s_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_div_u_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_mod_s_df, void, env, i32, i32, i32, i32)
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DEF_HELPER_5(msa_mod_u_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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@ -1525,7 +1525,154 @@ void helper_msa_clt_u_d(CPUMIPSState *env,
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* +---------------+----------------------------------------------------------+
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*/
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/* TODO: insert Int Divide group helpers here */
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static inline int64_t msa_div_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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if (arg1 == DF_MIN_INT(df) && arg2 == -1) {
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return DF_MIN_INT(df);
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}
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return arg2 ? arg1 / arg2
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: arg1 >= 0 ? -1 : 1;
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}
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void helper_msa_div_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_div_s_df(DF_BYTE, pws->b[0], pwt->b[0]);
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pwd->b[1] = msa_div_s_df(DF_BYTE, pws->b[1], pwt->b[1]);
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pwd->b[2] = msa_div_s_df(DF_BYTE, pws->b[2], pwt->b[2]);
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pwd->b[3] = msa_div_s_df(DF_BYTE, pws->b[3], pwt->b[3]);
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pwd->b[4] = msa_div_s_df(DF_BYTE, pws->b[4], pwt->b[4]);
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pwd->b[5] = msa_div_s_df(DF_BYTE, pws->b[5], pwt->b[5]);
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pwd->b[6] = msa_div_s_df(DF_BYTE, pws->b[6], pwt->b[6]);
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pwd->b[7] = msa_div_s_df(DF_BYTE, pws->b[7], pwt->b[7]);
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pwd->b[8] = msa_div_s_df(DF_BYTE, pws->b[8], pwt->b[8]);
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pwd->b[9] = msa_div_s_df(DF_BYTE, pws->b[9], pwt->b[9]);
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pwd->b[10] = msa_div_s_df(DF_BYTE, pws->b[10], pwt->b[10]);
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pwd->b[11] = msa_div_s_df(DF_BYTE, pws->b[11], pwt->b[11]);
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pwd->b[12] = msa_div_s_df(DF_BYTE, pws->b[12], pwt->b[12]);
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pwd->b[13] = msa_div_s_df(DF_BYTE, pws->b[13], pwt->b[13]);
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pwd->b[14] = msa_div_s_df(DF_BYTE, pws->b[14], pwt->b[14]);
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pwd->b[15] = msa_div_s_df(DF_BYTE, pws->b[15], pwt->b[15]);
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}
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void helper_msa_div_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_div_s_df(DF_HALF, pws->h[0], pwt->h[0]);
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pwd->h[1] = msa_div_s_df(DF_HALF, pws->h[1], pwt->h[1]);
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pwd->h[2] = msa_div_s_df(DF_HALF, pws->h[2], pwt->h[2]);
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pwd->h[3] = msa_div_s_df(DF_HALF, pws->h[3], pwt->h[3]);
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pwd->h[4] = msa_div_s_df(DF_HALF, pws->h[4], pwt->h[4]);
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pwd->h[5] = msa_div_s_df(DF_HALF, pws->h[5], pwt->h[5]);
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pwd->h[6] = msa_div_s_df(DF_HALF, pws->h[6], pwt->h[6]);
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pwd->h[7] = msa_div_s_df(DF_HALF, pws->h[7], pwt->h[7]);
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}
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void helper_msa_div_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_div_s_df(DF_WORD, pws->w[0], pwt->w[0]);
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pwd->w[1] = msa_div_s_df(DF_WORD, pws->w[1], pwt->w[1]);
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pwd->w[2] = msa_div_s_df(DF_WORD, pws->w[2], pwt->w[2]);
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pwd->w[3] = msa_div_s_df(DF_WORD, pws->w[3], pwt->w[3]);
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}
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void helper_msa_div_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_div_s_df(DF_DOUBLE, pws->d[0], pwt->d[0]);
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pwd->d[1] = msa_div_s_df(DF_DOUBLE, pws->d[1], pwt->d[1]);
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}
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static inline int64_t msa_div_u_df(uint32_t df, int64_t arg1, int64_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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return arg2 ? u_arg1 / u_arg2 : -1;
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}
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void helper_msa_div_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_div_u_df(DF_BYTE, pws->b[0], pwt->b[0]);
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pwd->b[1] = msa_div_u_df(DF_BYTE, pws->b[1], pwt->b[1]);
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pwd->b[2] = msa_div_u_df(DF_BYTE, pws->b[2], pwt->b[2]);
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pwd->b[3] = msa_div_u_df(DF_BYTE, pws->b[3], pwt->b[3]);
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pwd->b[4] = msa_div_u_df(DF_BYTE, pws->b[4], pwt->b[4]);
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pwd->b[5] = msa_div_u_df(DF_BYTE, pws->b[5], pwt->b[5]);
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pwd->b[6] = msa_div_u_df(DF_BYTE, pws->b[6], pwt->b[6]);
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pwd->b[7] = msa_div_u_df(DF_BYTE, pws->b[7], pwt->b[7]);
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pwd->b[8] = msa_div_u_df(DF_BYTE, pws->b[8], pwt->b[8]);
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pwd->b[9] = msa_div_u_df(DF_BYTE, pws->b[9], pwt->b[9]);
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pwd->b[10] = msa_div_u_df(DF_BYTE, pws->b[10], pwt->b[10]);
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pwd->b[11] = msa_div_u_df(DF_BYTE, pws->b[11], pwt->b[11]);
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pwd->b[12] = msa_div_u_df(DF_BYTE, pws->b[12], pwt->b[12]);
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pwd->b[13] = msa_div_u_df(DF_BYTE, pws->b[13], pwt->b[13]);
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pwd->b[14] = msa_div_u_df(DF_BYTE, pws->b[14], pwt->b[14]);
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pwd->b[15] = msa_div_u_df(DF_BYTE, pws->b[15], pwt->b[15]);
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}
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void helper_msa_div_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_div_u_df(DF_HALF, pws->h[0], pwt->h[0]);
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pwd->h[1] = msa_div_u_df(DF_HALF, pws->h[1], pwt->h[1]);
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pwd->h[2] = msa_div_u_df(DF_HALF, pws->h[2], pwt->h[2]);
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pwd->h[3] = msa_div_u_df(DF_HALF, pws->h[3], pwt->h[3]);
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pwd->h[4] = msa_div_u_df(DF_HALF, pws->h[4], pwt->h[4]);
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pwd->h[5] = msa_div_u_df(DF_HALF, pws->h[5], pwt->h[5]);
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pwd->h[6] = msa_div_u_df(DF_HALF, pws->h[6], pwt->h[6]);
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pwd->h[7] = msa_div_u_df(DF_HALF, pws->h[7], pwt->h[7]);
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}
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void helper_msa_div_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_div_u_df(DF_WORD, pws->w[0], pwt->w[0]);
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pwd->w[1] = msa_div_u_df(DF_WORD, pws->w[1], pwt->w[1]);
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pwd->w[2] = msa_div_u_df(DF_WORD, pws->w[2], pwt->w[2]);
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pwd->w[3] = msa_div_u_df(DF_WORD, pws->w[3], pwt->w[3]);
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}
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void helper_msa_div_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_div_u_df(DF_DOUBLE, pws->d[0], pwt->d[0]);
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pwd->d[1] = msa_div_u_df(DF_DOUBLE, pws->d[1], pwt->d[1]);
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}
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/*
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@ -2287,22 +2434,6 @@ 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_div_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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if (arg1 == DF_MIN_INT(df) && arg2 == -1) {
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return DF_MIN_INT(df);
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}
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return arg2 ? arg1 / arg2
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: arg1 >= 0 ? -1 : 1;
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}
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static inline int64_t msa_div_u_df(uint32_t df, int64_t arg1, int64_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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return arg2 ? u_arg1 / u_arg2 : -1;
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}
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static inline int64_t msa_mod_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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if (arg1 == DF_MIN_INT(df) && arg2 == -1) {
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@ -2523,8 +2654,6 @@ MSA_BINOP_DF(subsuu_s)
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MSA_BINOP_DF(asub_s)
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MSA_BINOP_DF(asub_u)
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MSA_BINOP_DF(mulv)
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MSA_BINOP_DF(div_s)
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MSA_BINOP_DF(div_u)
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MSA_BINOP_DF(mod_s)
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MSA_BINOP_DF(mod_u)
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MSA_BINOP_DF(dotp_s)
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@ -28610,6 +28610,38 @@ 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_DIV_S_df:
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switch (df) {
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case DF_BYTE:
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gen_helper_msa_div_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_div_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_div_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_div_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_DIV_U_df:
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switch (df) {
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case DF_BYTE:
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gen_helper_msa_div_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_div_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_div_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_div_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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@ -28691,9 +28723,6 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
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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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case OPC_DIV_S_df:
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gen_helper_msa_div_s_df(cpu_env, tdf, twd, tws, twt);
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break;
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case OPC_ILVL_df:
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gen_helper_msa_ilvl_df(cpu_env, tdf, twd, tws, twt);
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break;
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@ -28703,9 +28732,6 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
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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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case OPC_DIV_U_df:
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gen_helper_msa_div_u_df(cpu_env, tdf, twd, tws, twt);
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break;
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case OPC_ILVR_df:
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gen_helper_msa_ilvr_df(cpu_env, tdf, twd, tws, twt);
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break;
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