diff options
Diffstat (limited to 'target/mips/msa_helper.c')
| -rw-r--r-- | target/mips/msa_helper.c | 90 |
1 files changed, 78 insertions, 12 deletions
diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c index 84d0073918..f08beba123 100644 --- a/target/mips/msa_helper.c +++ b/target/mips/msa_helper.c @@ -3650,6 +3650,84 @@ void helper_msa_hsub_u_d(CPUMIPSState *env, } +static inline int64_t msa_subs_s_df(uint32_t df, int64_t arg1, int64_t arg2) +{ + int64_t max_int = DF_MAX_INT(df); + int64_t min_int = DF_MIN_INT(df); + if (arg2 > 0) { + return (min_int + arg2 < arg1) ? arg1 - arg2 : min_int; + } else { + return (arg1 < max_int + arg2) ? arg1 - arg2 : max_int; + } +} + +void helper_msa_subs_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_subs_s_df(DF_BYTE, pws->b[0], pwt->b[0]); + pwd->b[1] = msa_subs_s_df(DF_BYTE, pws->b[1], pwt->b[1]); + pwd->b[2] = msa_subs_s_df(DF_BYTE, pws->b[2], pwt->b[2]); + pwd->b[3] = msa_subs_s_df(DF_BYTE, pws->b[3], pwt->b[3]); + pwd->b[4] = msa_subs_s_df(DF_BYTE, pws->b[4], pwt->b[4]); + pwd->b[5] = msa_subs_s_df(DF_BYTE, pws->b[5], pwt->b[5]); + pwd->b[6] = msa_subs_s_df(DF_BYTE, pws->b[6], pwt->b[6]); + pwd->b[7] = msa_subs_s_df(DF_BYTE, pws->b[7], pwt->b[7]); + pwd->b[8] = msa_subs_s_df(DF_BYTE, pws->b[8], pwt->b[8]); + pwd->b[9] = msa_subs_s_df(DF_BYTE, pws->b[9], pwt->b[9]); + pwd->b[10] = msa_subs_s_df(DF_BYTE, pws->b[10], pwt->b[10]); + pwd->b[11] = msa_subs_s_df(DF_BYTE, pws->b[11], pwt->b[11]); + pwd->b[12] = msa_subs_s_df(DF_BYTE, pws->b[12], pwt->b[12]); + pwd->b[13] = msa_subs_s_df(DF_BYTE, pws->b[13], pwt->b[13]); + pwd->b[14] = msa_subs_s_df(DF_BYTE, pws->b[14], pwt->b[14]); + pwd->b[15] = msa_subs_s_df(DF_BYTE, pws->b[15], pwt->b[15]); +} + +void helper_msa_subs_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_subs_s_df(DF_HALF, pws->h[0], pwt->h[0]); + pwd->h[1] = msa_subs_s_df(DF_HALF, pws->h[1], pwt->h[1]); + pwd->h[2] = msa_subs_s_df(DF_HALF, pws->h[2], pwt->h[2]); + pwd->h[3] = msa_subs_s_df(DF_HALF, pws->h[3], pwt->h[3]); + pwd->h[4] = msa_subs_s_df(DF_HALF, pws->h[4], pwt->h[4]); + pwd->h[5] = msa_subs_s_df(DF_HALF, pws->h[5], pwt->h[5]); + pwd->h[6] = msa_subs_s_df(DF_HALF, pws->h[6], pwt->h[6]); + pwd->h[7] = msa_subs_s_df(DF_HALF, pws->h[7], pwt->h[7]); +} + +void helper_msa_subs_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_subs_s_df(DF_WORD, pws->w[0], pwt->w[0]); + pwd->w[1] = msa_subs_s_df(DF_WORD, pws->w[1], pwt->w[1]); + pwd->w[2] = msa_subs_s_df(DF_WORD, pws->w[2], pwt->w[2]); + pwd->w[3] = msa_subs_s_df(DF_WORD, pws->w[3], pwt->w[3]); +} + +void helper_msa_subs_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_subs_s_df(DF_DOUBLE, pws->d[0], pwt->d[0]); + pwd->d[1] = msa_subs_s_df(DF_DOUBLE, pws->d[1], pwt->d[1]); +} + + /* * Interleave * ---------- @@ -5060,17 +5138,6 @@ MSA_TEROP_IMMU_DF(binsli, binsl) MSA_TEROP_IMMU_DF(binsri, binsr) #undef MSA_TEROP_IMMU_DF -static inline int64_t msa_subs_s_df(uint32_t df, int64_t arg1, int64_t arg2) -{ - int64_t max_int = DF_MAX_INT(df); - int64_t min_int = DF_MIN_INT(df); - if (arg2 > 0) { - return (min_int + arg2 < arg1) ? arg1 - arg2 : min_int; - } else { - return (arg1 < max_int + arg2) ? arg1 - arg2 : max_int; - } -} - static inline int64_t msa_subs_u_df(uint32_t df, int64_t arg1, int64_t arg2) { uint64_t u_arg1 = UNSIGNED(arg1, df); @@ -5235,7 +5302,6 @@ void helper_msa_ ## func ## _df(CPUMIPSState *env, uint32_t df, \ } MSA_BINOP_DF(subv) -MSA_BINOP_DF(subs_s) MSA_BINOP_DF(subs_u) MSA_BINOP_DF(subsus_u) MSA_BINOP_DF(subsuu_s) |