From dc0af9312b5e1b51d01714b29e1185d289b70dd8 Mon Sep 17 00:00:00 2001 From: Aleksandar Markovic Date: Wed, 23 Oct 2019 12:23:41 +0200 Subject: [PATCH] target/mips: msa: Split helpers for HADD_. Achieves clearer code and slightly better performance. Reviewed-by: Aleksandar Rikalo Signed-off-by: Aleksandar Markovic Message-Id: <1571826227-10583-9-git-send-email-aleksandar.markovic@rt-rk.com> --- target/mips/helper.h | 10 +++- target/mips/msa_helper.c | 131 ++++++++++++++++++++++++++++++++++++++--------- target/mips/translate.c | 32 +++++++++--- 3 files changed, 141 insertions(+), 32 deletions(-) diff --git a/target/mips/helper.h b/target/mips/helper.h index ce01e972ba..f25ba90fc2 100644 --- a/target/mips/helper.h +++ b/target/mips/helper.h @@ -847,6 +847,14 @@ DEF_HELPER_4(msa_addv_h, void, env, i32, i32, i32) DEF_HELPER_4(msa_addv_w, void, env, i32, i32, i32) DEF_HELPER_4(msa_addv_d, void, env, i32, i32, i32) +DEF_HELPER_4(msa_hadd_s_h, void, env, i32, i32, i32) +DEF_HELPER_4(msa_hadd_s_w, void, env, i32, i32, i32) +DEF_HELPER_4(msa_hadd_s_d, void, env, i32, i32, i32) + +DEF_HELPER_4(msa_hadd_u_h, void, env, i32, i32, i32) +DEF_HELPER_4(msa_hadd_u_w, void, env, i32, i32, i32) +DEF_HELPER_4(msa_hadd_u_d, void, env, i32, i32, i32) + DEF_HELPER_4(msa_ave_s_b, void, env, i32, i32, i32) DEF_HELPER_4(msa_ave_s_h, void, env, i32, i32, i32) DEF_HELPER_4(msa_ave_s_w, void, env, i32, i32, i32) @@ -1024,8 +1032,6 @@ DEF_HELPER_5(msa_pckod_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_vshf_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_srar_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_srlr_df, void, env, i32, i32, i32, i32) -DEF_HELPER_5(msa_hadd_s_df, void, env, i32, i32, i32, i32) -DEF_HELPER_5(msa_hadd_u_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) diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c index c31f46cabf..f5d3737a77 100644 --- a/target/mips/msa_helper.c +++ b/target/mips/msa_helper.c @@ -1184,6 +1184,113 @@ void helper_msa_addv_d(CPUMIPSState *env, } +#define SIGNED_EVEN(a, df) \ + ((((int64_t)(a)) << (64 - DF_BITS(df) / 2)) >> (64 - DF_BITS(df) / 2)) + +#define UNSIGNED_EVEN(a, df) \ + ((((uint64_t)(a)) << (64 - DF_BITS(df) / 2)) >> (64 - DF_BITS(df) / 2)) + +#define SIGNED_ODD(a, df) \ + ((((int64_t)(a)) << (64 - DF_BITS(df))) >> (64 - DF_BITS(df) / 2)) + +#define UNSIGNED_ODD(a, df) \ + ((((uint64_t)(a)) << (64 - DF_BITS(df))) >> (64 - DF_BITS(df) / 2)) + + +static inline int64_t msa_hadd_s_df(uint32_t df, int64_t arg1, int64_t arg2) +{ + return SIGNED_ODD(arg1, df) + SIGNED_EVEN(arg2, df); +} + +void helper_msa_hadd_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_hadd_s_df(DF_HALF, pws->h[0], pwt->h[0]); + pwd->h[1] = msa_hadd_s_df(DF_HALF, pws->h[1], pwt->h[1]); + pwd->h[2] = msa_hadd_s_df(DF_HALF, pws->h[2], pwt->h[2]); + pwd->h[3] = msa_hadd_s_df(DF_HALF, pws->h[3], pwt->h[3]); + pwd->h[4] = msa_hadd_s_df(DF_HALF, pws->h[4], pwt->h[4]); + pwd->h[5] = msa_hadd_s_df(DF_HALF, pws->h[5], pwt->h[5]); + pwd->h[6] = msa_hadd_s_df(DF_HALF, pws->h[6], pwt->h[6]); + pwd->h[7] = msa_hadd_s_df(DF_HALF, pws->h[7], pwt->h[7]); +} + +void helper_msa_hadd_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_hadd_s_df(DF_WORD, pws->w[0], pwt->w[0]); + pwd->w[1] = msa_hadd_s_df(DF_WORD, pws->w[1], pwt->w[1]); + pwd->w[2] = msa_hadd_s_df(DF_WORD, pws->w[2], pwt->w[2]); + pwd->w[3] = msa_hadd_s_df(DF_WORD, pws->w[3], pwt->w[3]); +} + +void helper_msa_hadd_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_hadd_s_df(DF_DOUBLE, pws->d[0], pwt->d[0]); + pwd->d[1] = msa_hadd_s_df(DF_DOUBLE, pws->d[1], pwt->d[1]); +} + + +static inline int64_t msa_hadd_u_df(uint32_t df, int64_t arg1, int64_t arg2) +{ + return UNSIGNED_ODD(arg1, df) + UNSIGNED_EVEN(arg2, df); +} + +void helper_msa_hadd_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_hadd_u_df(DF_HALF, pws->h[0], pwt->h[0]); + pwd->h[1] = msa_hadd_u_df(DF_HALF, pws->h[1], pwt->h[1]); + pwd->h[2] = msa_hadd_u_df(DF_HALF, pws->h[2], pwt->h[2]); + pwd->h[3] = msa_hadd_u_df(DF_HALF, pws->h[3], pwt->h[3]); + pwd->h[4] = msa_hadd_u_df(DF_HALF, pws->h[4], pwt->h[4]); + pwd->h[5] = msa_hadd_u_df(DF_HALF, pws->h[5], pwt->h[5]); + pwd->h[6] = msa_hadd_u_df(DF_HALF, pws->h[6], pwt->h[6]); + pwd->h[7] = msa_hadd_u_df(DF_HALF, pws->h[7], pwt->h[7]); +} + +void helper_msa_hadd_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_hadd_u_df(DF_WORD, pws->w[0], pwt->w[0]); + pwd->w[1] = msa_hadd_u_df(DF_WORD, pws->w[1], pwt->w[1]); + pwd->w[2] = msa_hadd_u_df(DF_WORD, pws->w[2], pwt->w[2]); + pwd->w[3] = msa_hadd_u_df(DF_WORD, pws->w[3], pwt->w[3]); +} + +void helper_msa_hadd_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_hadd_u_df(DF_DOUBLE, pws->d[0], pwt->d[0]); + pwd->d[1] = msa_hadd_u_df(DF_DOUBLE, pws->d[1], pwt->d[1]); +} + + /* * Int Average * ----------- @@ -3727,18 +3834,6 @@ static inline int64_t msa_mulv_df(uint32_t df, int64_t arg1, int64_t arg2) return arg1 * arg2; } -#define SIGNED_EVEN(a, df) \ - ((((int64_t)(a)) << (64 - DF_BITS(df) / 2)) >> (64 - DF_BITS(df) / 2)) - -#define UNSIGNED_EVEN(a, df) \ - ((((uint64_t)(a)) << (64 - DF_BITS(df) / 2)) >> (64 - DF_BITS(df) / 2)) - -#define SIGNED_ODD(a, df) \ - ((((int64_t)(a)) << (64 - DF_BITS(df))) >> (64 - DF_BITS(df) / 2)) - -#define UNSIGNED_ODD(a, df) \ - ((((uint64_t)(a)) << (64 - DF_BITS(df))) >> (64 - DF_BITS(df) / 2)) - #define SIGNED_EXTRACT(e, o, a, df) \ do { \ e = SIGNED_EVEN(a, df); \ @@ -3815,16 +3910,6 @@ static inline void msa_sld_df(uint32_t df, wr_t *pwd, } } -static inline int64_t msa_hadd_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_hadd_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_hsub_s_df(uint32_t df, int64_t arg1, int64_t arg2) { return SIGNED_ODD(arg1, df) - SIGNED_EVEN(arg2, df); @@ -3925,8 +4010,6 @@ MSA_BINOP_DF(dotp_s) MSA_BINOP_DF(dotp_u) MSA_BINOP_DF(srar) MSA_BINOP_DF(srlr) -MSA_BINOP_DF(hadd_s) -MSA_BINOP_DF(hadd_u) MSA_BINOP_DF(hsub_s) MSA_BINOP_DF(hsub_u) diff --git a/target/mips/translate.c b/target/mips/translate.c index 14f9891bca..9e8e973d91 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -28990,6 +28990,32 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx) break; } switch (MASK_MSA_3R(ctx->opcode)) { + case OPC_HADD_S_df: + switch (df) { + case DF_HALF: + gen_helper_msa_hadd_s_h(cpu_env, twd, tws, twt); + break; + case DF_WORD: + gen_helper_msa_hadd_s_w(cpu_env, twd, tws, twt); + break; + case DF_DOUBLE: + gen_helper_msa_hadd_s_d(cpu_env, twd, tws, twt); + break; + } + break; + case OPC_HADD_U_df: + switch (df) { + case DF_HALF: + gen_helper_msa_hadd_u_h(cpu_env, twd, tws, twt); + break; + case DF_WORD: + gen_helper_msa_hadd_u_w(cpu_env, twd, tws, twt); + break; + case DF_DOUBLE: + gen_helper_msa_hadd_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; @@ -29005,15 +29031,9 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx) case OPC_DPSUB_S_df: gen_helper_msa_dpsub_s_df(cpu_env, tdf, twd, tws, twt); break; - case OPC_HADD_S_df: - gen_helper_msa_hadd_s_df(cpu_env, tdf, twd, tws, twt); - break; case OPC_DPSUB_U_df: gen_helper_msa_dpsub_u_df(cpu_env, tdf, twd, tws, twt); break; - case OPC_HADD_U_df: - gen_helper_msa_hadd_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; -- 2.11.0