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Wed, 20 Apr 2022 15:17:51 -0700 (PDT) Received: from rekt.ibmuc.com ([2804:431:c7c7:486c:c4fd:c4aa:a799:60c2]) by smtp.gmail.com with ESMTPSA id 14-20020aca110e000000b00322847e6f53sm3876082oir.46.2022.04.20.15.17.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Apr 2022 15:17:51 -0700 (PDT) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Subject: [PULL 16/23] target/ppc: implement xscv[su]qqp Date: Wed, 20 Apr 2022 19:13:22 -0300 Message-Id: <20220420221329.169755-17-danielhb413@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220420221329.169755-1-danielhb413@gmail.com> References: <20220420221329.169755-1-danielhb413@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::22c; envelope-from=danielhb413@gmail.com; helo=mail-oi1-x22c.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, richard.henderson@linaro.org, danielhb413@gmail.com, qemu-ppc@nongnu.org, Matheus Ferst Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Matheus Ferst Implement the following PowerISA v3.1 instructions: xscvsqqp: VSX Scalar Convert with round Signed Quadword to Quad-Precision xscvuqqp: VSX Scalar Convert with round Unsigned Quadword to Quad-Precision format Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson Message-Id: <20220330175932.6995-8-matheus.ferst@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza --- target/ppc/fpu_helper.c | 12 ++++++++++++ target/ppc/helper.h | 2 ++ target/ppc/insn32.decode | 5 +++++ target/ppc/translate/vsx-impl.c.inc | 20 ++++++++++++++++++++ 4 files changed, 39 insertions(+) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 7e8be99cc0..97892afa95 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -3058,6 +3058,18 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb) \ VSX_CVT_INT_TO_FP2(xvcvsxdsp, int64, float32) VSX_CVT_INT_TO_FP2(xvcvuxdsp, uint64, float32) +#define VSX_CVT_INT128_TO_FP(op, tp) \ +void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)\ +{ \ + helper_reset_fpstatus(env); \ + xt->f128 = tp##_to_float128(xb->s128, &env->fp_status); \ + helper_compute_fprf_float128(env, xt->f128); \ + do_float_check_status(env, GETPC()); \ +} + +VSX_CVT_INT128_TO_FP(XSCVUQQP, uint128); +VSX_CVT_INT128_TO_FP(XSCVSQQP, int128); + /* * VSX_CVT_INT_TO_FP_VECTOR - VSX integer to floating point conversion * op - instruction mnemonic diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 57da11c77e..7df0c01819 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -388,6 +388,8 @@ DEF_HELPER_4(xscvqpsdz, void, env, i32, vsr, vsr) DEF_HELPER_4(xscvqpswz, void, env, i32, vsr, vsr) DEF_HELPER_4(xscvqpudz, void, env, i32, vsr, vsr) DEF_HELPER_4(xscvqpuwz, void, env, i32, vsr, vsr) +DEF_HELPER_3(XSCVUQQP, void, env, vsr, vsr) +DEF_HELPER_3(XSCVSQQP, void, env, vsr, vsr) DEF_HELPER_3(xscvhpdp, void, env, vsr, vsr) DEF_HELPER_4(xscvsdqp, void, env, i32, vsr, vsr) DEF_HELPER_3(xscvspdp, void, env, vsr, vsr) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index ac2d3da9a7..6fb568c1fe 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -91,6 +91,9 @@ @X_tp_a_bp_rc ...... ....0 ra:5 ....0 .......... rc:1 &X_rc rt=%x_frtp rb=%x_frbp +&X_tb rt rb +@X_tb ...... rt:5 ..... rb:5 .......... . &X_tb + &X_tb_rc rt rb rc:bool @X_tb_rc ...... rt:5 ..... rb:5 .......... rc:1 &X_tb_rc @@ -692,6 +695,8 @@ XSCMPGTQP 111111 ..... ..... ..... 0011100100 - @X ## VSX Binary Floating-Point Convert Instructions XSCVQPDP 111111 ..... 10100 ..... 1101000100 . @X_tb_rc +XSCVUQQP 111111 ..... 00011 ..... 1101000100 - @X_tb +XSCVSQQP 111111 ..... 01011 ..... 1101000100 - @X_tb XVCVBF16SPN 111100 ..... 10000 ..... 111011011 .. @XX2 XVCVSPBF16 111100 ..... 10001 ..... 111011011 .. @XX2 diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index 7181a672d8..bda681e65c 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -838,6 +838,26 @@ static bool trans_XSCVQPDP(DisasContext *ctx, arg_X_tb_rc *a) return true; } +static bool do_helper_env_X_tb(DisasContext *ctx, arg_X_tb *a, + void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_ptr)) +{ + TCGv_ptr xt, xb; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VSX(ctx); + + xt = gen_avr_ptr(a->rt); + xb = gen_avr_ptr(a->rb); + gen_helper(cpu_env, xt, xb); + tcg_temp_free_ptr(xt); + tcg_temp_free_ptr(xb); + + return true; +} + +TRANS(XSCVUQQP, do_helper_env_X_tb, gen_helper_XSCVUQQP) +TRANS(XSCVSQQP, do_helper_env_X_tb, gen_helper_XSCVSQQP) + #define GEN_VSX_HELPER_2(name, op1, op2, inval, type) \ static void gen_##name(DisasContext *ctx) \ { \ -- 2.35.1