From b24b9aec96d655710f3f862d412208e938fa0618 Mon Sep 17 00:00:00 2001 From: Aleksandar Markovic Date: Wed, 23 Oct 2019 12:23:44 +0200 Subject: target/mips: msa: Split helpers for HSUB_. Achieves clearer code and slightly better performance. Signed-off-by: Aleksandar Markovic Reviewed-by: Aleksandar Rikalo Message-Id: <1571826227-10583-12-git-send-email-aleksandar.markovic@rt-rk.com> --- target/mips/helper.h | 10 ++++- target/mips/msa_helper.c | 108 +++++++++++++++++++++++++++++++++++++++++------ target/mips/translate.c | 32 +++++++++++--- 3 files changed, 129 insertions(+), 21 deletions(-) diff --git a/target/mips/helper.h b/target/mips/helper.h index 7bb13d5c3f..d7c4bbf77a 100644 --- a/target/mips/helper.h +++ b/target/mips/helper.h @@ -945,6 +945,14 @@ 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_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) + +DEF_HELPER_4(msa_hsub_u_h, void, env, i32, i32, i32) +DEF_HELPER_4(msa_hsub_u_w, void, env, i32, i32, i32) +DEF_HELPER_4(msa_hsub_u_d, void, env, i32, i32, i32) + DEF_HELPER_4(msa_ilvev_b, void, env, i32, i32, i32) DEF_HELPER_4(msa_ilvev_h, void, env, i32, i32, i32) DEF_HELPER_4(msa_ilvev_w, void, env, i32, i32, i32) @@ -1059,8 +1067,6 @@ 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) DEF_HELPER_5(msa_vshf_df, void, env, i32, i32, i32, i32) -DEF_HELPER_5(msa_hsub_s_df, void, env, i32, i32, i32, i32) -DEF_HELPER_5(msa_hsub_u_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_sldi_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_splati_df, void, env, i32, i32, i32, i32) diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c index 24006323c7..ae9e8e04f4 100644 --- a/target/mips/msa_helper.c +++ b/target/mips/msa_helper.c @@ -2888,7 +2888,101 @@ void helper_msa_mod_u_d(CPUMIPSState *env, * +---------------+----------------------------------------------------------+ */ -/* TODO: insert Int Subtract group helpers here */ +/* TODO: insert the rest of Int Subtract group helpers here */ + + +static inline int64_t msa_hsub_s_df(uint32_t df, int64_t arg1, int64_t arg2) +{ + return SIGNED_ODD(arg1, df) - SIGNED_EVEN(arg2, df); +} + +void helper_msa_hsub_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_hsub_s_df(DF_HALF, pws->h[0], pwt->h[0]); + pwd->h[1] = msa_hsub_s_df(DF_HALF, pws->h[1], pwt->h[1]); + pwd->h[2] = msa_hsub_s_df(DF_HALF, pws->h[2], pwt->h[2]); + pwd->h[3] = msa_hsub_s_df(DF_HALF, pws->h[3], pwt->h[3]); + pwd->h[4] = msa_hsub_s_df(DF_HALF, pws->h[4], pwt->h[4]); + pwd->h[5] = msa_hsub_s_df(DF_HALF, pws->h[5], pwt->h[5]); + pwd->h[6] = msa_hsub_s_df(DF_HALF, pws->h[6], pwt->h[6]); + pwd->h[7] = msa_hsub_s_df(DF_HALF, pws->h[7], pwt->h[7]); +} + +void helper_msa_hsub_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_hsub_s_df(DF_WORD, pws->w[0], pwt->w[0]); + pwd->w[1] = msa_hsub_s_df(DF_WORD, pws->w[1], pwt->w[1]); + pwd->w[2] = msa_hsub_s_df(DF_WORD, pws->w[2], pwt->w[2]); + pwd->w[3] = msa_hsub_s_df(DF_WORD, pws->w[3], pwt->w[3]); +} + +void helper_msa_hsub_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_hsub_s_df(DF_DOUBLE, pws->d[0], pwt->d[0]); + pwd->d[1] = msa_hsub_s_df(DF_DOUBLE, pws->d[1], pwt->d[1]); +} + + +static inline int64_t msa_hsub_u_df(uint32_t df, int64_t arg1, int64_t arg2) +{ + return UNSIGNED_ODD(arg1, df) - UNSIGNED_EVEN(arg2, df); +} + +void helper_msa_hsub_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_hsub_u_df(DF_HALF, pws->h[0], pwt->h[0]); + pwd->h[1] = msa_hsub_u_df(DF_HALF, pws->h[1], pwt->h[1]); + pwd->h[2] = msa_hsub_u_df(DF_HALF, pws->h[2], pwt->h[2]); + pwd->h[3] = msa_hsub_u_df(DF_HALF, pws->h[3], pwt->h[3]); + pwd->h[4] = msa_hsub_u_df(DF_HALF, pws->h[4], pwt->h[4]); + pwd->h[5] = msa_hsub_u_df(DF_HALF, pws->h[5], pwt->h[5]); + pwd->h[6] = msa_hsub_u_df(DF_HALF, pws->h[6], pwt->h[6]); + pwd->h[7] = msa_hsub_u_df(DF_HALF, pws->h[7], pwt->h[7]); +} + +void helper_msa_hsub_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_hsub_u_df(DF_WORD, pws->w[0], pwt->w[0]); + pwd->w[1] = msa_hsub_u_df(DF_WORD, pws->w[1], pwt->w[1]); + pwd->w[2] = msa_hsub_u_df(DF_WORD, pws->w[2], pwt->w[2]); + pwd->w[3] = msa_hsub_u_df(DF_WORD, pws->w[3], pwt->w[3]); +} + +void helper_msa_hsub_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_hsub_u_df(DF_DOUBLE, pws->d[0], pwt->d[0]); + pwd->d[1] = msa_hsub_u_df(DF_DOUBLE, pws->d[1], pwt->d[1]); +} /* @@ -4450,16 +4544,6 @@ static inline void msa_sld_df(uint32_t df, wr_t *pwd, } } -static inline int64_t msa_hsub_s_df(uint32_t df, int64_t arg1, int64_t arg2) -{ - return SIGNED_ODD(arg1, df) - SIGNED_EVEN(arg2, df); -} - -static inline int64_t msa_hsub_u_df(uint32_t df, int64_t arg1, int64_t arg2) -{ - return UNSIGNED_ODD(arg1, df) - UNSIGNED_EVEN(arg2, df); -} - static inline int64_t msa_mul_q_df(uint32_t df, int64_t arg1, int64_t arg2) { int64_t q_min = DF_MIN_INT(df); @@ -4545,8 +4629,6 @@ MSA_BINOP_DF(asub_u) MSA_BINOP_DF(mulv) MSA_BINOP_DF(dotp_s) MSA_BINOP_DF(dotp_u) -MSA_BINOP_DF(hsub_s) -MSA_BINOP_DF(hsub_u) MSA_BINOP_DF(mul_q) MSA_BINOP_DF(mulr_q) diff --git a/target/mips/translate.c b/target/mips/translate.c index a57e0daeff..4c68c5b980 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -29107,6 +29107,32 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx) break; } break; + case OPC_HSUB_S_df: + switch (df) { + case DF_HALF: + gen_helper_msa_hsub_s_h(cpu_env, twd, tws, twt); + break; + case DF_WORD: + gen_helper_msa_hsub_s_w(cpu_env, twd, tws, twt); + break; + case DF_DOUBLE: + gen_helper_msa_hsub_s_d(cpu_env, twd, tws, twt); + break; + } + break; + case OPC_HSUB_U_df: + switch (df) { + case DF_HALF: + gen_helper_msa_hsub_u_h(cpu_env, twd, tws, twt); + break; + case DF_WORD: + gen_helper_msa_hsub_u_w(cpu_env, twd, tws, twt); + break; + case DF_DOUBLE: + gen_helper_msa_hsub_u_d(cpu_env, twd, tws, twt); + break; + } + break; case OPC_DOTP_S_df: gen_helper_msa_dotp_s_df(cpu_env, tdf, twd, tws, twt); break; @@ -29125,12 +29151,6 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx) case OPC_DPSUB_U_df: gen_helper_msa_dpsub_u_df(cpu_env, tdf, twd, tws, twt); break; - case OPC_HSUB_S_df: - gen_helper_msa_hsub_s_df(cpu_env, tdf, twd, tws, twt); - break; - case OPC_HSUB_U_df: - gen_helper_msa_hsub_u_df(cpu_env, tdf, twd, tws, twt); - break; } break; default: -- cgit v1.2.3-55-g7522