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Date: Mon, 15 Jun 2020 21:28:47 +0200 Message-Id: <1592249340-8365-6-git-send-email-aleksandar.qemu.devel@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1592249340-8365-1-git-send-email-aleksandar.qemu.devel@gmail.com> References: <1592249340-8365-1-git-send-email-aleksandar.qemu.devel@gmail.com> Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=aleksandar.qemu.devel@gmail.com; helo=mail-wr1-x42a.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aleksandar.qemu.devel@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Achieves clearer code and slightly better performance. Reviewed-by: Aleksandar Rikalo Signed-off-by: Aleksandar Markovic Message-Id: <20200613152133.8964-4-aleksandar.qemu.devel@gmail.com> --- target/mips/helper.h | 4 ++- target/mips/msa_helper.c | 90 ++++++++++++++++++++++++++++++++++-------------- target/mips/translate.c | 12 ++++++- 3 files changed, 78 insertions(+), 28 deletions(-) diff --git a/target/mips/helper.h b/target/mips/helper.h index 7ca0036..16f2d53 100644 --- a/target/mips/helper.h +++ b/target/mips/helper.h @@ -1081,7 +1081,9 @@ DEF_HELPER_5(msa_subsuu_s_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_mulv_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_dotp_s_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_dotp_u_df, void, env, i32, i32, i32, i32) -DEF_HELPER_5(msa_dpadd_s_df, void, env, i32, i32, i32, i32) +DEF_HELPER_4(msa_dpadd_s_h, void, env, i32, i32, i32) +DEF_HELPER_4(msa_dpadd_s_w, void, env, i32, i32, i32) +DEF_HELPER_4(msa_dpadd_s_d, void, env, i32, i32, i32) DEF_HELPER_5(msa_dpadd_u_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_dpsub_s_df, void, env, i32, i32, i32, i32) DEF_HELPER_5(msa_dpsub_u_df, void, env, i32, i32, i32, i32) diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c index 2b54de0..086b56f 100644 --- a/target/mips/msa_helper.c +++ b/target/mips/msa_helper.c @@ -2224,7 +2224,70 @@ void helper_msa_div_u_d(CPUMIPSState *env, * +---------------+----------------------------------------------------------+ */ -/* TODO: insert Int Dot Product group helpers here */ +#define SIGNED_EXTRACT(e, o, a, df) \ + do { \ + e = SIGNED_EVEN(a, df); \ + o = SIGNED_ODD(a, df); \ + } while (0) + +#define UNSIGNED_EXTRACT(e, o, a, df) \ + do { \ + e = UNSIGNED_EVEN(a, df); \ + o = UNSIGNED_ODD(a, df); \ + } while (0) + +static inline int64_t msa_dpadd_s_df(uint32_t df, int64_t dest, int64_t arg1, + int64_t arg2) +{ + int64_t even_arg1; + int64_t even_arg2; + int64_t odd_arg1; + int64_t odd_arg2; + SIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df); + SIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df); + return dest + (even_arg1 * even_arg2) + (odd_arg1 * odd_arg2); +} + +void helper_msa_dpadd_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_dpadd_s_df(DF_HALF, pwd->h[0], pws->h[0], pwt->h[0]); + pwd->h[1] = msa_dpadd_s_df(DF_HALF, pwd->h[1], pws->h[1], pwt->h[1]); + pwd->h[2] = msa_dpadd_s_df(DF_HALF, pwd->h[2], pws->h[2], pwt->h[2]); + pwd->h[3] = msa_dpadd_s_df(DF_HALF, pwd->h[3], pws->h[3], pwt->h[3]); + pwd->h[4] = msa_dpadd_s_df(DF_HALF, pwd->h[4], pws->h[4], pwt->h[4]); + pwd->h[5] = msa_dpadd_s_df(DF_HALF, pwd->h[5], pws->h[5], pwt->h[5]); + pwd->h[6] = msa_dpadd_s_df(DF_HALF, pwd->h[6], pws->h[6], pwt->h[6]); + pwd->h[7] = msa_dpadd_s_df(DF_HALF, pwd->h[7], pws->h[7], pwt->h[7]); +} + +void helper_msa_dpadd_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_dpadd_s_df(DF_WORD, pwd->w[0], pws->w[0], pwt->w[0]); + pwd->w[1] = msa_dpadd_s_df(DF_WORD, pwd->w[1], pws->w[1], pwt->w[1]); + pwd->w[2] = msa_dpadd_s_df(DF_WORD, pwd->w[2], pws->w[2], pwt->w[2]); + pwd->w[3] = msa_dpadd_s_df(DF_WORD, pwd->w[3], pws->w[3], pwt->w[3]); +} + +void helper_msa_dpadd_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_dpadd_s_df(DF_DOUBLE, pwd->d[0], pws->d[0], pwt->d[0]); + pwd->d[1] = msa_dpadd_s_df(DF_DOUBLE, pwd->d[1], pws->d[1], pwt->d[1]); +} /* @@ -4785,18 +4848,6 @@ static inline int64_t msa_mulv_df(uint32_t df, int64_t arg1, int64_t arg2) return arg1 * arg2; } -#define SIGNED_EXTRACT(e, o, a, df) \ - do { \ - e = SIGNED_EVEN(a, df); \ - o = SIGNED_ODD(a, df); \ - } while (0) - -#define UNSIGNED_EXTRACT(e, o, a, df) \ - do { \ - e = UNSIGNED_EVEN(a, df); \ - o = UNSIGNED_ODD(a, df); \ - } while (0) - static inline int64_t msa_dotp_s_df(uint32_t df, int64_t arg1, int64_t arg2) { int64_t even_arg1; @@ -4958,18 +5009,6 @@ void helper_msa_sld_df(CPUMIPSState *env, uint32_t df, uint32_t wd, msa_sld_df(df, pwd, pws, env->active_tc.gpr[rt]); } -static inline int64_t msa_dpadd_s_df(uint32_t df, int64_t dest, int64_t arg1, - int64_t arg2) -{ - int64_t even_arg1; - int64_t even_arg2; - int64_t odd_arg1; - int64_t odd_arg2; - SIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df); - SIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df); - return dest + (even_arg1 * even_arg2) + (odd_arg1 * odd_arg2); -} - static inline int64_t msa_dpadd_u_df(uint32_t df, int64_t dest, int64_t arg1, int64_t arg2) { @@ -5132,7 +5171,6 @@ void helper_msa_ ## func ## _df(CPUMIPSState *env, uint32_t df, uint32_t wd, \ } \ } -MSA_TEROP_DF(dpadd_s) MSA_TEROP_DF(dpadd_u) MSA_TEROP_DF(dpsub_s) MSA_TEROP_DF(dpsub_u) diff --git a/target/mips/translate.c b/target/mips/translate.c index 7388a16..47ac4ea 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -29400,7 +29400,17 @@ static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx) gen_helper_msa_dotp_u_df(cpu_env, tdf, twd, tws, twt); break; case OPC_DPADD_S_df: - gen_helper_msa_dpadd_s_df(cpu_env, tdf, twd, tws, twt); + switch (df) { + case DF_HALF: + gen_helper_msa_dpadd_s_h(cpu_env, twd, tws, twt); + break; + case DF_WORD: + gen_helper_msa_dpadd_s_w(cpu_env, twd, tws, twt); + break; + case DF_DOUBLE: + gen_helper_msa_dpadd_s_d(cpu_env, twd, tws, twt); + break; + } break; case OPC_DPADD_U_df: gen_helper_msa_dpadd_u_df(cpu_env, tdf, twd, tws, twt);