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target/mips: msa: Split helpers for ASUB_<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 <aleksandar.rikalo@rt-rk.com>
Message-Id: <1571826227-10583-13-git-send-email-aleksandar.markovic@rt-rk.com>
This commit is contained in:
Aleksandar Markovic 2019-10-23 12:23:45 +02:00
parent b24b9aec96
commit f392d1344e
3 changed files with 193 additions and 26 deletions
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12
target/mips/helper.h
View File

@ -945,6 +945,16 @@ DEF_HELPER_4(msa_mod_s_h, void, env, i32, i32, i32)
DEF_HELPER_4(msa_mod_s_w, void, env, i32, i32, i32)
DEF_HELPER_4(msa_mod_s_d, void, env, i32, i32, i32)
DEF_HELPER_4(msa_asub_s_b, void, env, i32, i32, i32)
DEF_HELPER_4(msa_asub_s_h, void, env, i32, i32, i32)
DEF_HELPER_4(msa_asub_s_w, void, env, i32, i32, i32)
DEF_HELPER_4(msa_asub_s_d, void, env, i32, i32, i32)
DEF_HELPER_4(msa_asub_u_b, void, env, i32, i32, i32)
DEF_HELPER_4(msa_asub_u_h, void, env, i32, i32, i32)
DEF_HELPER_4(msa_asub_u_w, void, env, i32, i32, i32)
DEF_HELPER_4(msa_asub_u_d, void, env, i32, i32, i32)
DEF_HELPER_4(msa_hsub_s_h, void, env, i32, i32, i32)
DEF_HELPER_4(msa_hsub_s_w, void, env, i32, i32, i32)
DEF_HELPER_4(msa_hsub_s_d, void, env, i32, i32, i32)
@ -1053,8 +1063,6 @@ DEF_HELPER_5(msa_subs_s_df, void, env, i32, i32, i32, i32)
DEF_HELPER_5(msa_subs_u_df, void, env, i32, i32, i32, i32)
DEF_HELPER_5(msa_subsus_u_df, void, env, i32, i32, i32, i32)
DEF_HELPER_5(msa_subsuu_s_df, void, env, i32, i32, i32, i32)
DEF_HELPER_5(msa_asub_s_df, void, env, i32, i32, i32, i32)
DEF_HELPER_5(msa_asub_u_df, void, env, i32, i32, i32, i32)
DEF_HELPER_5(msa_mulv_df, void, env, i32, i32, i32, i32)
DEF_HELPER_5(msa_maddv_df, void, env, i32, i32, i32, i32)
DEF_HELPER_5(msa_msubv_df, void, env, i32, i32, i32, i32)

169
target/mips/msa_helper.c
View File

@ -2888,6 +2888,157 @@ void helper_msa_mod_u_d(CPUMIPSState *env,
* +---------------+----------------------------------------------------------+
*/
static inline int64_t msa_asub_s_df(uint32_t df, int64_t arg1, int64_t arg2)
{
/* signed compare */
return (arg1 < arg2) ?
(uint64_t)(arg2 - arg1) : (uint64_t)(arg1 - arg2);
}
void helper_msa_asub_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_asub_s_df(DF_BYTE, pws->b[0], pwt->b[0]);
pwd->b[1] = msa_asub_s_df(DF_BYTE, pws->b[1], pwt->b[1]);
pwd->b[2] = msa_asub_s_df(DF_BYTE, pws->b[2], pwt->b[2]);
pwd->b[3] = msa_asub_s_df(DF_BYTE, pws->b[3], pwt->b[3]);
pwd->b[4] = msa_asub_s_df(DF_BYTE, pws->b[4], pwt->b[4]);
pwd->b[5] = msa_asub_s_df(DF_BYTE, pws->b[5], pwt->b[5]);
pwd->b[6] = msa_asub_s_df(DF_BYTE, pws->b[6], pwt->b[6]);
pwd->b[7] = msa_asub_s_df(DF_BYTE, pws->b[7], pwt->b[7]);
pwd->b[8] = msa_asub_s_df(DF_BYTE, pws->b[8], pwt->b[8]);
pwd->b[9] = msa_asub_s_df(DF_BYTE, pws->b[9], pwt->b[9]);
pwd->b[10] = msa_asub_s_df(DF_BYTE, pws->b[10], pwt->b[10]);
pwd->b[11] = msa_asub_s_df(DF_BYTE, pws->b[11], pwt->b[11]);
pwd->b[12] = msa_asub_s_df(DF_BYTE, pws->b[12], pwt->b[12]);
pwd->b[13] = msa_asub_s_df(DF_BYTE, pws->b[13], pwt->b[13]);
pwd->b[14] = msa_asub_s_df(DF_BYTE, pws->b[14], pwt->b[14]);
pwd->b[15] = msa_asub_s_df(DF_BYTE, pws->b[15], pwt->b[15]);
}
void helper_msa_asub_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_asub_s_df(DF_HALF, pws->h[0], pwt->h[0]);
pwd->h[1] = msa_asub_s_df(DF_HALF, pws->h[1], pwt->h[1]);
pwd->h[2] = msa_asub_s_df(DF_HALF, pws->h[2], pwt->h[2]);
pwd->h[3] = msa_asub_s_df(DF_HALF, pws->h[3], pwt->h[3]);
pwd->h[4] = msa_asub_s_df(DF_HALF, pws->h[4], pwt->h[4]);
pwd->h[5] = msa_asub_s_df(DF_HALF, pws->h[5], pwt->h[5]);
pwd->h[6] = msa_asub_s_df(DF_HALF, pws->h[6], pwt->h[6]);
pwd->h[7] = msa_asub_s_df(DF_HALF, pws->h[7], pwt->h[7]);
}
void helper_msa_asub_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_asub_s_df(DF_WORD, pws->w[0], pwt->w[0]);
pwd->w[1] = msa_asub_s_df(DF_WORD, pws->w[1], pwt->w[1]);
pwd->w[2] = msa_asub_s_df(DF_WORD, pws->w[2], pwt->w[2]);
pwd->w[3] = msa_asub_s_df(DF_WORD, pws->w[3], pwt->w[3]);
}
void helper_msa_asub_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_asub_s_df(DF_DOUBLE, pws->d[0], pwt->d[0]);
pwd->d[1] = msa_asub_s_df(DF_DOUBLE, pws->d[1], pwt->d[1]);
}
static inline uint64_t msa_asub_u_df(uint32_t df, uint64_t arg1, uint64_t arg2)
{
uint64_t u_arg1 = UNSIGNED(arg1, df);
uint64_t u_arg2 = UNSIGNED(arg2, df);
/* unsigned compare */
return (u_arg1 < u_arg2) ?
(uint64_t)(u_arg2 - u_arg1) : (uint64_t)(u_arg1 - u_arg2);
}
void helper_msa_asub_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_asub_u_df(DF_BYTE, pws->b[0], pwt->b[0]);
pwd->b[1] = msa_asub_u_df(DF_BYTE, pws->b[1], pwt->b[1]);
pwd->b[2] = msa_asub_u_df(DF_BYTE, pws->b[2], pwt->b[2]);
pwd->b[3] = msa_asub_u_df(DF_BYTE, pws->b[3], pwt->b[3]);
pwd->b[4] = msa_asub_u_df(DF_BYTE, pws->b[4], pwt->b[4]);
pwd->b[5] = msa_asub_u_df(DF_BYTE, pws->b[5], pwt->b[5]);
pwd->b[6] = msa_asub_u_df(DF_BYTE, pws->b[6], pwt->b[6]);
pwd->b[7] = msa_asub_u_df(DF_BYTE, pws->b[7], pwt->b[7]);
pwd->b[8] = msa_asub_u_df(DF_BYTE, pws->b[8], pwt->b[8]);
pwd->b[9] = msa_asub_u_df(DF_BYTE, pws->b[9], pwt->b[9]);
pwd->b[10] = msa_asub_u_df(DF_BYTE, pws->b[10], pwt->b[10]);
pwd->b[11] = msa_asub_u_df(DF_BYTE, pws->b[11], pwt->b[11]);
pwd->b[12] = msa_asub_u_df(DF_BYTE, pws->b[12], pwt->b[12]);
pwd->b[13] = msa_asub_u_df(DF_BYTE, pws->b[13], pwt->b[13]);
pwd->b[14] = msa_asub_u_df(DF_BYTE, pws->b[14], pwt->b[14]);
pwd->b[15] = msa_asub_u_df(DF_BYTE, pws->b[15], pwt->b[15]);
}
void helper_msa_asub_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_asub_u_df(DF_HALF, pws->h[0], pwt->h[0]);
pwd->h[1] = msa_asub_u_df(DF_HALF, pws->h[1], pwt->h[1]);
pwd->h[2] = msa_asub_u_df(DF_HALF, pws->h[2], pwt->h[2]);
pwd->h[3] = msa_asub_u_df(DF_HALF, pws->h[3], pwt->h[3]);
pwd->h[4] = msa_asub_u_df(DF_HALF, pws->h[4], pwt->h[4]);
pwd->h[5] = msa_asub_u_df(DF_HALF, pws->h[5], pwt->h[5]);
pwd->h[6] = msa_asub_u_df(DF_HALF, pws->h[6], pwt->h[6]);
pwd->h[7] = msa_asub_u_df(DF_HALF, pws->h[7], pwt->h[7]);
}
void helper_msa_asub_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_asub_u_df(DF_WORD, pws->w[0], pwt->w[0]);
pwd->w[1] = msa_asub_u_df(DF_WORD, pws->w[1], pwt->w[1]);
pwd->w[2] = msa_asub_u_df(DF_WORD, pws->w[2], pwt->w[2]);
pwd->w[3] = msa_asub_u_df(DF_WORD, pws->w[3], pwt->w[3]);
}
void helper_msa_asub_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_asub_u_df(DF_DOUBLE, pws->d[0], pwt->d[0]);
pwd->d[1] = msa_asub_u_df(DF_DOUBLE, pws->d[1], pwt->d[1]);
}
/* TODO: insert the rest of Int Subtract group helpers here */
@ -4447,22 +4598,6 @@ static inline int64_t msa_subsuu_s_df(uint32_t df, int64_t arg1, int64_t arg2)
}
}
static inline int64_t msa_asub_s_df(uint32_t df, int64_t arg1, int64_t arg2)
{
/* signed compare */
return (arg1 < arg2) ?
(uint64_t)(arg2 - arg1) : (uint64_t)(arg1 - arg2);
}
static inline uint64_t msa_asub_u_df(uint32_t df, uint64_t arg1, uint64_t arg2)
{
uint64_t u_arg1 = UNSIGNED(arg1, df);
uint64_t u_arg2 = UNSIGNED(arg2, df);
/* unsigned compare */
return (u_arg1 < u_arg2) ?
(uint64_t)(u_arg2 - u_arg1) : (uint64_t)(u_arg1 - u_arg2);
}
static inline int64_t msa_mulv_df(uint32_t df, int64_t arg1, int64_t arg2)
{
return arg1 * arg2;
@ -4624,8 +4759,6 @@ MSA_BINOP_DF(subs_s)
MSA_BINOP_DF(subs_u)
MSA_BINOP_DF(subsus_u)
MSA_BINOP_DF(subsuu_s)
MSA_BINOP_DF(asub_s)
MSA_BINOP_DF(asub_u)
MSA_BINOP_DF(mulv)
MSA_BINOP_DF(dotp_s)
MSA_BINOP_DF(dotp_u)

38
target/mips/translate.c
View File

@ -28850,6 +28850,38 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
break;
}
break;
case OPC_ASUB_S_df:
switch (df) {
case DF_BYTE:
gen_helper_msa_asub_s_b(cpu_env, twd, tws, twt);
break;
case DF_HALF:
gen_helper_msa_asub_s_h(cpu_env, twd, tws, twt);
break;
case DF_WORD:
gen_helper_msa_asub_s_w(cpu_env, twd, tws, twt);
break;
case DF_DOUBLE:
gen_helper_msa_asub_s_d(cpu_env, twd, tws, twt);
break;
}
break;
case OPC_ASUB_U_df:
switch (df) {
case DF_BYTE:
gen_helper_msa_asub_u_b(cpu_env, twd, tws, twt);
break;
case DF_HALF:
gen_helper_msa_asub_u_h(cpu_env, twd, tws, twt);
break;
case DF_WORD:
gen_helper_msa_asub_u_w(cpu_env, twd, tws, twt);
break;
case DF_DOUBLE:
gen_helper_msa_asub_u_d(cpu_env, twd, tws, twt);
break;
}
break;
case OPC_ILVEV_df:
switch (df) {
case DF_BYTE:
@ -29059,12 +29091,6 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
case OPC_SUBSUU_S_df:
gen_helper_msa_subsuu_s_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_ASUB_S_df:
gen_helper_msa_asub_s_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_ASUB_U_df:
gen_helper_msa_asub_u_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_DOTP_S_df:
case OPC_DOTP_U_df: