From 83b2e79a80a05b905bbfbe88dd7a29e00e65a5a9 Mon Sep 17 00:00:00 2001 From: Aleksandar Markovic Date: Sat, 13 Jun 2020 17:21:32 +0200 Subject: [PATCH] target/mips: msa: Split helpers for SUBV. Achieves clearer code and slightly better performance. Reviewed-by: Aleksandar Rikalo Signed-off-by: Aleksandar Markovic Message-Id: <20200613152133.8964-14-aleksandar.qemu.devel@gmail.com> --- target/mips/helper.h | 6 ++- target/mips/msa_helper.c | 81 +++++++++++++++++++++++++++++++++++----- target/mips/translate.c | 15 +++++++- 3 files changed, 91 insertions(+), 11 deletions(-) diff --git a/target/mips/helper.h b/target/mips/helper.h index 4795c97f47..5d7ba6a847 100644 --- a/target/mips/helper.h +++ b/target/mips/helper.h @@ -998,6 +998,11 @@ DEF_HELPER_4(msa_subsuu_s_h, void, env, i32, i32, i32) DEF_HELPER_4(msa_subsuu_s_w, void, env, i32, i32, i32) DEF_HELPER_4(msa_subsuu_s_d, void, env, i32, i32, i32) +DEF_HELPER_4(msa_subv_b, void, env, i32, i32, i32) +DEF_HELPER_4(msa_subv_h, void, env, i32, i32, i32) +DEF_HELPER_4(msa_subv_w, void, env, i32, i32, i32) +DEF_HELPER_4(msa_subv_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) @@ -1093,7 +1098,6 @@ DEF_HELPER_5(msa_srlri_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_binsl_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_binsr_df, void, env, i32, i32, i32, i32) -DEF_HELPER_5(msa_subv_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_mulv_df, void, env, i32, i32, i32, i32) DEF_HELPER_4(msa_dotp_s_h, void, env, i32, i32, i32) diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c index 27a9c36a89..d099e00b40 100644 --- a/target/mips/msa_helper.c +++ b/target/mips/msa_helper.c @@ -3553,9 +3553,6 @@ void helper_msa_asub_u_d(CPUMIPSState *env, } -/* 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); @@ -3970,6 +3967,78 @@ void helper_msa_subsuu_s_d(CPUMIPSState *env, } +static inline int64_t msa_subv_df(uint32_t df, int64_t arg1, int64_t arg2) +{ + return arg1 - arg2; +} + +void helper_msa_subv_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_subv_df(DF_BYTE, pws->b[0], pwt->b[0]); + pwd->b[1] = msa_subv_df(DF_BYTE, pws->b[1], pwt->b[1]); + pwd->b[2] = msa_subv_df(DF_BYTE, pws->b[2], pwt->b[2]); + pwd->b[3] = msa_subv_df(DF_BYTE, pws->b[3], pwt->b[3]); + pwd->b[4] = msa_subv_df(DF_BYTE, pws->b[4], pwt->b[4]); + pwd->b[5] = msa_subv_df(DF_BYTE, pws->b[5], pwt->b[5]); + pwd->b[6] = msa_subv_df(DF_BYTE, pws->b[6], pwt->b[6]); + pwd->b[7] = msa_subv_df(DF_BYTE, pws->b[7], pwt->b[7]); + pwd->b[8] = msa_subv_df(DF_BYTE, pws->b[8], pwt->b[8]); + pwd->b[9] = msa_subv_df(DF_BYTE, pws->b[9], pwt->b[9]); + pwd->b[10] = msa_subv_df(DF_BYTE, pws->b[10], pwt->b[10]); + pwd->b[11] = msa_subv_df(DF_BYTE, pws->b[11], pwt->b[11]); + pwd->b[12] = msa_subv_df(DF_BYTE, pws->b[12], pwt->b[12]); + pwd->b[13] = msa_subv_df(DF_BYTE, pws->b[13], pwt->b[13]); + pwd->b[14] = msa_subv_df(DF_BYTE, pws->b[14], pwt->b[14]); + pwd->b[15] = msa_subv_df(DF_BYTE, pws->b[15], pwt->b[15]); +} + +void helper_msa_subv_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_subv_df(DF_HALF, pws->h[0], pwt->h[0]); + pwd->h[1] = msa_subv_df(DF_HALF, pws->h[1], pwt->h[1]); + pwd->h[2] = msa_subv_df(DF_HALF, pws->h[2], pwt->h[2]); + pwd->h[3] = msa_subv_df(DF_HALF, pws->h[3], pwt->h[3]); + pwd->h[4] = msa_subv_df(DF_HALF, pws->h[4], pwt->h[4]); + pwd->h[5] = msa_subv_df(DF_HALF, pws->h[5], pwt->h[5]); + pwd->h[6] = msa_subv_df(DF_HALF, pws->h[6], pwt->h[6]); + pwd->h[7] = msa_subv_df(DF_HALF, pws->h[7], pwt->h[7]); +} + +void helper_msa_subv_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_subv_df(DF_WORD, pws->w[0], pwt->w[0]); + pwd->w[1] = msa_subv_df(DF_WORD, pws->w[1], pwt->w[1]); + pwd->w[2] = msa_subv_df(DF_WORD, pws->w[2], pwt->w[2]); + pwd->w[3] = msa_subv_df(DF_WORD, pws->w[3], pwt->w[3]); +} + +void helper_msa_subv_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_subv_df(DF_DOUBLE, pws->d[0], pwt->d[0]); + pwd->d[1] = msa_subv_df(DF_DOUBLE, pws->d[1], pwt->d[1]); +} + + /* * Interleave * ---------- @@ -5194,11 +5263,6 @@ void helper_msa_shf_df(CPUMIPSState *env, uint32_t df, uint32_t wd, msa_move_v(pwd, pwx); } -static inline int64_t msa_subv_df(uint32_t df, int64_t arg1, int64_t arg2) -{ - return arg1 - arg2; -} - #define MSA_BINOP_IMM_DF(helper, func) \ void helper_msa_ ## helper ## _df(CPUMIPSState *env, uint32_t df, \ uint32_t wd, uint32_t ws, int32_t u5) \ @@ -5502,7 +5566,6 @@ void helper_msa_ ## func ## _df(CPUMIPSState *env, uint32_t df, \ } \ } -MSA_BINOP_DF(subv) MSA_BINOP_DF(mulv) MSA_BINOP_DF(mul_q) diff --git a/target/mips/translate.c b/target/mips/translate.c index 6d9ae1de4b..9ca17ed02c 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -29324,7 +29324,20 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx) gen_helper_msa_vshf_df(cpu_env, tdf, twd, tws, twt); break; case OPC_SUBV_df: - gen_helper_msa_subv_df(cpu_env, tdf, twd, tws, twt); + switch (df) { + case DF_BYTE: + gen_helper_msa_subv_b(cpu_env, twd, tws, twt); + break; + case DF_HALF: + gen_helper_msa_subv_h(cpu_env, twd, tws, twt); + break; + case DF_WORD: + gen_helper_msa_subv_w(cpu_env, twd, tws, twt); + break; + case DF_DOUBLE: + gen_helper_msa_subv_d(cpu_env, twd, tws, twt); + break; + } break; case OPC_SUBS_U_df: switch (df) {