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target/mips: msa: Split helpers for DIV_<S|U>.<B|H|W|D>

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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>
This commit is contained in:
Aleksandar Markovic 2019-09-25 14:46:09 +02:00
parent 1165669982
commit 64a0257f1f
3 changed files with 190 additions and 27 deletions
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167
target/mips/msa_helper.c
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@ -1525,7 +1525,154 @@ void helper_msa_clt_u_d(CPUMIPSState *env,
* +---------------+----------------------------------------------------------+
*/
/* TODO: insert Int Divide group helpers here */
static inline int64_t msa_div_s_df(uint32_t df, int64_t arg1, int64_t arg2)
{
if (arg1 == DF_MIN_INT(df) && arg2 == -1) {
return DF_MIN_INT(df);
}
return arg2 ? arg1 / arg2
: arg1 >= 0 ? -1 : 1;
}
void helper_msa_div_s_b(CPUMIPSState *env,
uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
pwd->b[0] = msa_div_s_df(DF_BYTE, pws->b[0], pwt->b[0]);
pwd->b[1] = msa_div_s_df(DF_BYTE, pws->b[1], pwt->b[1]);
pwd->b[2] = msa_div_s_df(DF_BYTE, pws->b[2], pwt->b[2]);
pwd->b[3] = msa_div_s_df(DF_BYTE, pws->b[3], pwt->b[3]);
pwd->b[4] = msa_div_s_df(DF_BYTE, pws->b[4], pwt->b[4]);
pwd->b[5] = msa_div_s_df(DF_BYTE, pws->b[5], pwt->b[5]);
pwd->b[6] = msa_div_s_df(DF_BYTE, pws->b[6], pwt->b[6]);
pwd->b[7] = msa_div_s_df(DF_BYTE, pws->b[7], pwt->b[7]);
pwd->b[8] = msa_div_s_df(DF_BYTE, pws->b[8], pwt->b[8]);
pwd->b[9] = msa_div_s_df(DF_BYTE, pws->b[9], pwt->b[9]);
pwd->b[10] = msa_div_s_df(DF_BYTE, pws->b[10], pwt->b[10]);
pwd->b[11] = msa_div_s_df(DF_BYTE, pws->b[11], pwt->b[11]);
pwd->b[12] = msa_div_s_df(DF_BYTE, pws->b[12], pwt->b[12]);
pwd->b[13] = msa_div_s_df(DF_BYTE, pws->b[13], pwt->b[13]);
pwd->b[14] = msa_div_s_df(DF_BYTE, pws->b[14], pwt->b[14]);
pwd->b[15] = msa_div_s_df(DF_BYTE, pws->b[15], pwt->b[15]);
}
void helper_msa_div_s_h(CPUMIPSState *env,
uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
pwd->h[0] = msa_div_s_df(DF_HALF, pws->h[0], pwt->h[0]);
pwd->h[1] = msa_div_s_df(DF_HALF, pws->h[1], pwt->h[1]);
pwd->h[2] = msa_div_s_df(DF_HALF, pws->h[2], pwt->h[2]);
pwd->h[3] = msa_div_s_df(DF_HALF, pws->h[3], pwt->h[3]);
pwd->h[4] = msa_div_s_df(DF_HALF, pws->h[4], pwt->h[4]);
pwd->h[5] = msa_div_s_df(DF_HALF, pws->h[5], pwt->h[5]);
pwd->h[6] = msa_div_s_df(DF_HALF, pws->h[6], pwt->h[6]);
pwd->h[7] = msa_div_s_df(DF_HALF, pws->h[7], pwt->h[7]);
}
void helper_msa_div_s_w(CPUMIPSState *env,
uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
pwd->w[0] = msa_div_s_df(DF_WORD, pws->w[0], pwt->w[0]);
pwd->w[1] = msa_div_s_df(DF_WORD, pws->w[1], pwt->w[1]);
pwd->w[2] = msa_div_s_df(DF_WORD, pws->w[2], pwt->w[2]);
pwd->w[3] = msa_div_s_df(DF_WORD, pws->w[3], pwt->w[3]);
}
void helper_msa_div_s_d(CPUMIPSState *env,
uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
pwd->d[0] = msa_div_s_df(DF_DOUBLE, pws->d[0], pwt->d[0]);
pwd->d[1] = msa_div_s_df(DF_DOUBLE, pws->d[1], pwt->d[1]);
}
static inline int64_t msa_div_u_df(uint32_t df, int64_t arg1, int64_t arg2)
{
uint64_t u_arg1 = UNSIGNED(arg1, df);
uint64_t u_arg2 = UNSIGNED(arg2, df);
return arg2 ? u_arg1 / u_arg2 : -1;
}
void helper_msa_div_u_b(CPUMIPSState *env,
uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
pwd->b[0] = msa_div_u_df(DF_BYTE, pws->b[0], pwt->b[0]);
pwd->b[1] = msa_div_u_df(DF_BYTE, pws->b[1], pwt->b[1]);
pwd->b[2] = msa_div_u_df(DF_BYTE, pws->b[2], pwt->b[2]);
pwd->b[3] = msa_div_u_df(DF_BYTE, pws->b[3], pwt->b[3]);
pwd->b[4] = msa_div_u_df(DF_BYTE, pws->b[4], pwt->b[4]);
pwd->b[5] = msa_div_u_df(DF_BYTE, pws->b[5], pwt->b[5]);
pwd->b[6] = msa_div_u_df(DF_BYTE, pws->b[6], pwt->b[6]);
pwd->b[7] = msa_div_u_df(DF_BYTE, pws->b[7], pwt->b[7]);
pwd->b[8] = msa_div_u_df(DF_BYTE, pws->b[8], pwt->b[8]);
pwd->b[9] = msa_div_u_df(DF_BYTE, pws->b[9], pwt->b[9]);
pwd->b[10] = msa_div_u_df(DF_BYTE, pws->b[10], pwt->b[10]);
pwd->b[11] = msa_div_u_df(DF_BYTE, pws->b[11], pwt->b[11]);
pwd->b[12] = msa_div_u_df(DF_BYTE, pws->b[12], pwt->b[12]);
pwd->b[13] = msa_div_u_df(DF_BYTE, pws->b[13], pwt->b[13]);
pwd->b[14] = msa_div_u_df(DF_BYTE, pws->b[14], pwt->b[14]);
pwd->b[15] = msa_div_u_df(DF_BYTE, pws->b[15], pwt->b[15]);
}
void helper_msa_div_u_h(CPUMIPSState *env,
uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
pwd->h[0] = msa_div_u_df(DF_HALF, pws->h[0], pwt->h[0]);
pwd->h[1] = msa_div_u_df(DF_HALF, pws->h[1], pwt->h[1]);
pwd->h[2] = msa_div_u_df(DF_HALF, pws->h[2], pwt->h[2]);
pwd->h[3] = msa_div_u_df(DF_HALF, pws->h[3], pwt->h[3]);
pwd->h[4] = msa_div_u_df(DF_HALF, pws->h[4], pwt->h[4]);
pwd->h[5] = msa_div_u_df(DF_HALF, pws->h[5], pwt->h[5]);
pwd->h[6] = msa_div_u_df(DF_HALF, pws->h[6], pwt->h[6]);
pwd->h[7] = msa_div_u_df(DF_HALF, pws->h[7], pwt->h[7]);
}
void helper_msa_div_u_w(CPUMIPSState *env,
uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
pwd->w[0] = msa_div_u_df(DF_WORD, pws->w[0], pwt->w[0]);
pwd->w[1] = msa_div_u_df(DF_WORD, pws->w[1], pwt->w[1]);
pwd->w[2] = msa_div_u_df(DF_WORD, pws->w[2], pwt->w[2]);
pwd->w[3] = msa_div_u_df(DF_WORD, pws->w[3], pwt->w[3]);
}
void helper_msa_div_u_d(CPUMIPSState *env,
uint32_t wd, uint32_t ws, uint32_t wt)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
pwd->d[0] = msa_div_u_df(DF_DOUBLE, pws->d[0], pwt->d[0]);
pwd->d[1] = msa_div_u_df(DF_DOUBLE, pws->d[1], pwt->d[1]);
}
/*
@ -2287,22 +2434,6 @@ static inline int64_t msa_mulv_df(uint32_t df, int64_t arg1, int64_t arg2)
return arg1 * arg2;
}
static inline int64_t msa_div_s_df(uint32_t df, int64_t arg1, int64_t arg2)
{
if (arg1 == DF_MIN_INT(df) && arg2 == -1) {
return DF_MIN_INT(df);
}
return arg2 ? arg1 / arg2
: arg1 >= 0 ? -1 : 1;
}
static inline int64_t msa_div_u_df(uint32_t df, int64_t arg1, int64_t arg2)
{
uint64_t u_arg1 = UNSIGNED(arg1, df);
uint64_t u_arg2 = UNSIGNED(arg2, df);
return arg2 ? u_arg1 / u_arg2 : -1;
}
static inline int64_t msa_mod_s_df(uint32_t df, int64_t arg1, int64_t arg2)
{
if (arg1 == DF_MIN_INT(df) && arg2 == -1) {
@ -2523,8 +2654,6 @@ MSA_BINOP_DF(subsuu_s)
MSA_BINOP_DF(asub_s)
MSA_BINOP_DF(asub_u)
MSA_BINOP_DF(mulv)
MSA_BINOP_DF(div_s)
MSA_BINOP_DF(div_u)
MSA_BINOP_DF(mod_s)
MSA_BINOP_DF(mod_u)
MSA_BINOP_DF(dotp_s)