target/mips: msa: Split helpers for DPSUB_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: <20200613152133.8964-6-aleksandar.qemu.devel@gmail.com>
This commit is contained in:
parent
e5e0777e7f
commit
8ed86716f6
|
@ -1087,7 +1087,9 @@ DEF_HELPER_4(msa_dpadd_s_d, void, env, i32, i32, i32)
|
|||
DEF_HELPER_4(msa_dpadd_u_h, void, env, i32, i32, i32)
|
||||
DEF_HELPER_4(msa_dpadd_u_w, void, env, i32, i32, i32)
|
||||
DEF_HELPER_4(msa_dpadd_u_d, void, env, i32, i32, i32)
|
||||
DEF_HELPER_5(msa_dpsub_s_df, void, env, i32, i32, i32, i32)
|
||||
DEF_HELPER_4(msa_dpsub_s_h, void, env, i32, i32, i32)
|
||||
DEF_HELPER_4(msa_dpsub_s_w, void, env, i32, i32, i32)
|
||||
DEF_HELPER_4(msa_dpsub_s_d, void, env, i32, i32, i32)
|
||||
DEF_HELPER_5(msa_dpsub_u_df, void, env, i32, i32, i32, i32)
|
||||
DEF_HELPER_5(msa_sld_df, void, env, i32, i32, i32, i32)
|
||||
DEF_HELPER_5(msa_splat_df, void, env, i32, i32, i32, i32)
|
||||
|
|
|
@ -2344,6 +2344,60 @@ void helper_msa_dpadd_u_d(CPUMIPSState *env,
|
|||
}
|
||||
|
||||
|
||||
static inline int64_t msa_dpsub_s_df(uint32_t df, int64_t dest, int64_t arg1,
|
||||
int64_t arg2)
|
||||
{
|
||||
int64_t even_arg1;
|
||||
int64_t even_arg2;
|
||||
int64_t odd_arg1;
|
||||
int64_t odd_arg2;
|
||||
SIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df);
|
||||
SIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df);
|
||||
return dest - ((even_arg1 * even_arg2) + (odd_arg1 * odd_arg2));
|
||||
}
|
||||
|
||||
void helper_msa_dpsub_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_dpsub_s_df(DF_HALF, pwd->h[0], pws->h[0], pwt->h[0]);
|
||||
pwd->h[1] = msa_dpsub_s_df(DF_HALF, pwd->h[1], pws->h[1], pwt->h[1]);
|
||||
pwd->h[2] = msa_dpsub_s_df(DF_HALF, pwd->h[2], pws->h[2], pwt->h[2]);
|
||||
pwd->h[3] = msa_dpsub_s_df(DF_HALF, pwd->h[3], pws->h[3], pwt->h[3]);
|
||||
pwd->h[4] = msa_dpsub_s_df(DF_HALF, pwd->h[4], pws->h[4], pwt->h[4]);
|
||||
pwd->h[5] = msa_dpsub_s_df(DF_HALF, pwd->h[5], pws->h[5], pwt->h[5]);
|
||||
pwd->h[6] = msa_dpsub_s_df(DF_HALF, pwd->h[6], pws->h[6], pwt->h[6]);
|
||||
pwd->h[7] = msa_dpsub_s_df(DF_HALF, pwd->h[7], pws->h[7], pwt->h[7]);
|
||||
}
|
||||
|
||||
void helper_msa_dpsub_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_dpsub_s_df(DF_WORD, pwd->w[0], pws->w[0], pwt->w[0]);
|
||||
pwd->w[1] = msa_dpsub_s_df(DF_WORD, pwd->w[1], pws->w[1], pwt->w[1]);
|
||||
pwd->w[2] = msa_dpsub_s_df(DF_WORD, pwd->w[2], pws->w[2], pwt->w[2]);
|
||||
pwd->w[3] = msa_dpsub_s_df(DF_WORD, pwd->w[3], pws->w[3], pwt->w[3]);
|
||||
}
|
||||
|
||||
void helper_msa_dpsub_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_dpsub_s_df(DF_DOUBLE, pwd->d[0], pws->d[0], pwt->d[0]);
|
||||
pwd->d[1] = msa_dpsub_s_df(DF_DOUBLE, pwd->d[1], pws->d[1], pwt->d[1]);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Int Max Min
|
||||
* -----------
|
||||
|
@ -5063,18 +5117,6 @@ void helper_msa_sld_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
|
|||
msa_sld_df(df, pwd, pws, env->active_tc.gpr[rt]);
|
||||
}
|
||||
|
||||
static inline int64_t msa_dpsub_s_df(uint32_t df, int64_t dest, int64_t arg1,
|
||||
int64_t arg2)
|
||||
{
|
||||
int64_t even_arg1;
|
||||
int64_t even_arg2;
|
||||
int64_t odd_arg1;
|
||||
int64_t odd_arg2;
|
||||
SIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df);
|
||||
SIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df);
|
||||
return dest - ((even_arg1 * even_arg2) + (odd_arg1 * odd_arg2));
|
||||
}
|
||||
|
||||
static inline int64_t msa_dpsub_u_df(uint32_t df, int64_t dest, int64_t arg1,
|
||||
int64_t arg2)
|
||||
{
|
||||
|
@ -5213,7 +5255,6 @@ void helper_msa_ ## func ## _df(CPUMIPSState *env, uint32_t df, uint32_t wd, \
|
|||
} \
|
||||
}
|
||||
|
||||
MSA_TEROP_DF(dpsub_s)
|
||||
MSA_TEROP_DF(dpsub_u)
|
||||
MSA_TEROP_DF(binsl)
|
||||
MSA_TEROP_DF(binsr)
|
||||
|
|
|
@ -29426,7 +29426,17 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
|
|||
}
|
||||
break;
|
||||
case OPC_DPSUB_S_df:
|
||||
gen_helper_msa_dpsub_s_df(cpu_env, tdf, twd, tws, twt);
|
||||
switch (df) {
|
||||
case DF_HALF:
|
||||
gen_helper_msa_dpsub_s_h(cpu_env, twd, tws, twt);
|
||||
break;
|
||||
case DF_WORD:
|
||||
gen_helper_msa_dpsub_s_w(cpu_env, twd, tws, twt);
|
||||
break;
|
||||
case DF_DOUBLE:
|
||||
gen_helper_msa_dpsub_s_d(cpu_env, twd, tws, twt);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case OPC_DPSUB_U_df:
|
||||
gen_helper_msa_dpsub_u_df(cpu_env, tdf, twd, tws, twt);
|
||||
|
|
Loading…
Reference in a new issue