From f392d1344e40840ff03a1f4c9ed135551ee28d9d Mon Sep 17 00:00:00 2001 From: Aleksandar Markovic Date: Wed, 23 Oct 2019 12:23:45 +0200 Subject: [PATCH] target/mips: msa: Split helpers for ASUB_. Achieves clearer code and slightly better performance. Signed-off-by: Aleksandar Markovic Reviewed-by: Aleksandar Rikalo Message-Id: <1571826227-10583-13-git-send-email-aleksandar.markovic@rt-rk.com> --- target/mips/helper.h | 12 +++- target/mips/msa_helper.c | 169 ++++++++++++++++++++++++++++++++++++++++++----- target/mips/translate.c | 38 +++++++++-- 3 files changed, 193 insertions(+), 26 deletions(-) diff --git a/target/mips/helper.h b/target/mips/helper.h index d7c4bbf77a..7b8ad74d67 100644 --- a/target/mips/helper.h +++ b/target/mips/helper.h @@ -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) diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c index ae9e8e04f4..0e39016764 100644 --- a/target/mips/msa_helper.c +++ b/target/mips/msa_helper.c @@ -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) diff --git a/target/mips/translate.c b/target/mips/translate.c index 4c68c5b980..20c69d2802 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -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: -- 2.11.4.GIT