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Fri, 04 Oct 2024 13:26:44 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Richard Henderson , qemu-ppc@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 1/3] target/mips: Use tcg_constant_tl() instead of tcg_gen_movi_tl() Date: Fri, 4 Oct 2024 17:26:19 -0300 Message-ID: <20241004202621.4321-2-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241004202621.4321-1-philmd@linaro.org> References: <20241004202621.4321-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::135; envelope-from=philmd@linaro.org; helo=mail-lf1-x135.google.com 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1728073659580116600 Directly use tcg_constant_tl() for constant integer, this save a call to tcg_gen_movi_tl(), often saving a temp register. Most of the places found using the following Coccinelle spatch script: @@ identifier tmp; constant val; @@ * TCGv tmp =3D tcg_temp_new(); ... * tcg_gen_movi_tl(tmp, val); @@ identifier tmp; int val; @@ * TCGv tmp =3D tcg_temp_new(); ... * tcg_gen_movi_i64(tmp, val); Suggested-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- Based-on: <20240930091101.40591-1-philmd@linaro.org> --- target/mips/tcg/translate.c | 56 ++++------- target/mips/tcg/micromips_translate.c.inc | 12 +-- target/mips/tcg/mips16e_translate.c.inc | 15 +-- target/mips/tcg/nanomips_translate.c.inc | 114 ++++++++-------------- 4 files changed, 68 insertions(+), 129 deletions(-) diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c index 591e1351216..9f3579a0012 100644 --- a/target/mips/tcg/translate.c +++ b/target/mips/tcg/translate.c @@ -2253,8 +2253,7 @@ static void gen_st_cond(DisasContext *ctx, int rt, in= t base, int offset, /* compare the address against that of the preceding LL */ gen_base_offset_addr(ctx, addr, base, offset); tcg_gen_brcond_tl(TCG_COND_EQ, addr, cpu_lladdr, l1); - tcg_gen_movi_tl(t0, 0); - gen_store_gpr(t0, rt); + gen_store_gpr(tcg_constant_tl(0), rt); tcg_gen_br(done); =20 gen_set_label(l1); @@ -3060,8 +3059,7 @@ static void gen_r6_muldiv(DisasContext *ctx, int opc,= int rd, int rs, int rt) tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2= , t1); tcg_gen_div_tl(cpu_gpr[rd], t0, t1); tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); } @@ -3077,30 +3075,27 @@ static void gen_r6_muldiv(DisasContext *ctx, int op= c, int rd, int rs, int rt) tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2= , t1); tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); } break; case R6_OPC_DIVU: { - TCGv t2 =3D tcg_constant_tl(0); - TCGv t3 =3D tcg_constant_tl(1); tcg_gen_ext32u_tl(t0, t0); tcg_gen_ext32u_tl(t1, t1); - tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); + tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, + tcg_constant_tl(0), tcg_constant_tl(1), t1); tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); } break; case R6_OPC_MODU: { - TCGv t2 =3D tcg_constant_tl(0); - TCGv t3 =3D tcg_constant_tl(1); tcg_gen_ext32u_tl(t0, t0); tcg_gen_ext32u_tl(t1, t1); - tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); + tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, + tcg_constant_tl(0), tcg_constant_tl(1), t1); tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); } @@ -3155,8 +3150,7 @@ static void gen_r6_muldiv(DisasContext *ctx, int opc,= int rd, int rs, int rt) tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2= , t1); tcg_gen_div_tl(cpu_gpr[rd], t0, t1); } break; @@ -3169,24 +3163,21 @@ static void gen_r6_muldiv(DisasContext *ctx, int op= c, int rd, int rs, int rt) tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2= , t1); tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); } break; case R6_OPC_DDIVU: { - TCGv t2 =3D tcg_constant_tl(0); - TCGv t3 =3D tcg_constant_tl(1); - tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); + tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, + tcg_constant_tl(0), tcg_constant_tl(1), t1); tcg_gen_divu_i64(cpu_gpr[rd], t0, t1); } break; case R6_OPC_DMODU: { - TCGv t2 =3D tcg_constant_tl(0); - TCGv t3 =3D tcg_constant_tl(1); - tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); + tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, + tcg_constant_tl(0), tcg_constant_tl(1), t1); tcg_gen_remu_i64(cpu_gpr[rd], t0, t1); } break; @@ -3239,8 +3230,7 @@ static void gen_div1_tx79(DisasContext *ctx, uint32_t= opc, int rs, int rt) tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2= , t1); tcg_gen_div_tl(cpu_LO[1], t0, t1); tcg_gen_rem_tl(cpu_HI[1], t0, t1); tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]); @@ -3295,8 +3285,7 @@ static void gen_muldiv(DisasContext *ctx, uint32_t op= c, tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2= , t1); tcg_gen_div_tl(cpu_LO[acc], t0, t1); tcg_gen_rem_tl(cpu_HI[acc], t0, t1); tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]); @@ -3348,17 +3337,15 @@ static void gen_muldiv(DisasContext *ctx, uint32_t = opc, tcg_gen_and_tl(t2, t2, t3); tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_tl(t2, t2, t3); - tcg_gen_movi_tl(t3, 0); - tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); + tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, tcg_constant_tl(0), t2= , t1); tcg_gen_div_tl(cpu_LO[acc], t0, t1); tcg_gen_rem_tl(cpu_HI[acc], t0, t1); } break; case OPC_DDIVU: { - TCGv t2 =3D tcg_constant_tl(0); - TCGv t3 =3D tcg_constant_tl(1); - tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); + tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, + tcg_constant_tl(0), tcg_constant_tl(1), t1); tcg_gen_divu_i64(cpu_LO[acc], t0, t1); tcg_gen_remu_i64(cpu_HI[acc], t0, t1); } @@ -11428,17 +11415,12 @@ static void gen_compute_compact_branch(DisasConte= xt *ctx, uint32_t opc, void gen_addiupc(DisasContext *ctx, int rx, int imm, int is_64_bit, int extended) { - TCGv t0; - if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) { gen_reserved_instruction(ctx); return; } =20 - t0 =3D tcg_temp_new(); - - tcg_gen_movi_tl(t0, pc_relative_pc(ctx)); - tcg_gen_addi_tl(cpu_gpr[rx], t0, imm); + tcg_gen_addi_tl(cpu_gpr[rx], tcg_constant_tl(pc_relative_pc(ctx)), imm= ); if (!is_64_bit) { tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); } diff --git a/target/mips/tcg/micromips_translate.c.inc b/target/mips/tcg/mi= cromips_translate.c.inc index 171508f7deb..d044592f83e 100644 --- a/target/mips/tcg/micromips_translate.c.inc +++ b/target/mips/tcg/micromips_translate.c.inc @@ -980,8 +980,7 @@ static void gen_ldst_pair(DisasContext *ctx, uint32_t o= pc, int rd, tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_SL | ctx->default_tcg_memop_mask); gen_store_gpr(t1, rd); - tcg_gen_movi_tl(t1, 4); - gen_op_addr_add(ctx, t0, t0, t1); + gen_op_addr_add(ctx, t0, t0, tcg_constant_tl(4)); tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_SL | ctx->default_tcg_memop_mask); gen_store_gpr(t1, rd + 1); @@ -990,8 +989,7 @@ static void gen_ldst_pair(DisasContext *ctx, uint32_t o= pc, int rd, gen_load_gpr(t1, rd); tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UL | ctx->default_tcg_memop_mask); - tcg_gen_movi_tl(t1, 4); - gen_op_addr_add(ctx, t0, t0, t1); + gen_op_addr_add(ctx, t0, t0, tcg_constant_tl(4)); gen_load_gpr(t1, rd + 1); tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UL | ctx->default_tcg_memop_mask); @@ -1005,8 +1003,7 @@ static void gen_ldst_pair(DisasContext *ctx, uint32_t= opc, int rd, tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UQ | ctx->default_tcg_memop_mask); gen_store_gpr(t1, rd); - tcg_gen_movi_tl(t1, 8); - gen_op_addr_add(ctx, t0, t0, t1); + gen_op_addr_add(ctx, t0, t0, tcg_constant_tl(8)); tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UQ | ctx->default_tcg_memop_mask); gen_store_gpr(t1, rd + 1); @@ -1015,8 +1012,7 @@ static void gen_ldst_pair(DisasContext *ctx, uint32_t= opc, int rd, gen_load_gpr(t1, rd); tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UQ | ctx->default_tcg_memop_mask); - tcg_gen_movi_tl(t1, 8); - gen_op_addr_add(ctx, t0, t0, t1); + gen_op_addr_add(ctx, t0, t0, tcg_constant_tl(8)); gen_load_gpr(t1, rd + 1); tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UQ | ctx->default_tcg_memop_mask); diff --git a/target/mips/tcg/mips16e_translate.c.inc b/target/mips/tcg/mips= 16e_translate.c.inc index 28684b08fe3..e770372b4c2 100644 --- a/target/mips/tcg/mips16e_translate.c.inc +++ b/target/mips/tcg/mips16e_translate.c.inc @@ -130,10 +130,8 @@ static int xlat(int r) static void decr_and_store(DisasContext *ctx, unsigned regidx, TCGv t0) { TCGv t1 =3D tcg_temp_new(); - TCGv t2 =3D tcg_temp_new(); =20 - tcg_gen_movi_tl(t2, -4); - gen_op_addr_add(ctx, t0, t0, t2); + gen_op_addr_add(ctx, t0, t0, tcg_constant_tl(-4)); gen_load_gpr(t1, regidx); tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, mo_endian(ctx) | MO_UL | ctx->default_tcg_memop_mask); @@ -146,7 +144,6 @@ static void gen_mips16_save(DisasContext *ctx, { TCGv t0 =3D tcg_temp_new(); TCGv t1 =3D tcg_temp_new(); - TCGv t2 =3D tcg_temp_new(); int args, astatic; =20 switch (aregs) { @@ -286,8 +283,7 @@ static void gen_mips16_save(DisasContext *ctx, } } =20 - tcg_gen_movi_tl(t2, -framesize); - gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], t2); + gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], tcg_constant_tl(-frames= ize)); } =20 static void decr_and_load(DisasContext *ctx, unsigned regidx, TCGv t0) @@ -307,10 +303,8 @@ static void gen_mips16_restore(DisasContext *ctx, { int astatic; TCGv t0 =3D tcg_temp_new(); - TCGv t2 =3D tcg_temp_new(); =20 - tcg_gen_movi_tl(t2, framesize); - gen_op_addr_add(ctx, t0, cpu_gpr[29], t2); + gen_op_addr_add(ctx, t0, cpu_gpr[29], tcg_constant_tl(-framesize)); =20 if (do_ra) { decr_and_load(ctx, 31, t0); @@ -390,8 +384,7 @@ static void gen_mips16_restore(DisasContext *ctx, } } =20 - tcg_gen_movi_tl(t2, framesize); - gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], t2); + gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], tcg_constant_tl(-frames= ize)); } =20 #if defined(TARGET_MIPS64) diff --git a/target/mips/tcg/nanomips_translate.c.inc b/target/mips/tcg/nan= omips_translate.c.inc index c37ea7273d2..a64e9fef017 100644 --- a/target/mips/tcg/nanomips_translate.c.inc +++ b/target/mips/tcg/nanomips_translate.c.inc @@ -1052,8 +1052,7 @@ static void gen_scwp(DisasContext *ctx, uint32_t base= , int16_t offset, tcg_gen_movi_tl(cpu_gpr[reg1], 0); } gen_set_label(lab_done); - tcg_gen_movi_tl(lladdr, -1); - tcg_gen_st_tl(lladdr, tcg_env, offsetof(CPUMIPSState, lladdr)); + tcg_gen_st_tl(tcg_constant_tl(-1), tcg_env, offsetof(CPUMIPSState, lla= ddr)); } =20 static void gen_adjust_sp(DisasContext *ctx, int u) @@ -1543,7 +1542,6 @@ static void gen_pool32axf_1_nanomips_insn(DisasContex= t *ctx, uint32_t opc, { int16_t imm; TCGv t0 =3D tcg_temp_new(); - TCGv t1 =3D tcg_temp_new(); TCGv v0_t =3D tcg_temp_new(); =20 gen_load_gpr(v0_t, v1); @@ -1570,12 +1568,10 @@ static void gen_pool32axf_1_nanomips_insn(DisasCont= ext *ctx, uint32_t opc, check_dsp(ctx); switch (extract32(ctx->opcode, 12, 2)) { case NM_MTHLIP: - tcg_gen_movi_tl(t0, v2 >> 3); - gen_helper_mthlip(t0, v0_t, tcg_env); + gen_helper_mthlip(tcg_constant_tl(v2 >> 3), v0_t, tcg_env); break; case NM_SHILOV: - tcg_gen_movi_tl(t0, v2 >> 3); - gen_helper_shilo(t0, v0_t, tcg_env); + gen_helper_shilo(tcg_constant_tl(v2 >> 3), v0_t, tcg_env); break; default: gen_reserved_instruction(ctx); @@ -1587,39 +1583,34 @@ static void gen_pool32axf_1_nanomips_insn(DisasCont= ext *ctx, uint32_t opc, imm =3D extract32(ctx->opcode, 14, 7); switch (extract32(ctx->opcode, 12, 2)) { case NM_RDDSP: - tcg_gen_movi_tl(t0, imm); - gen_helper_rddsp(t0, t0, tcg_env); + gen_helper_rddsp(t0, tcg_constant_tl(imm), tcg_env); gen_store_gpr(t0, ret); break; case NM_WRDSP: gen_load_gpr(t0, ret); - tcg_gen_movi_tl(t1, imm); - gen_helper_wrdsp(t0, t1, tcg_env); + gen_helper_wrdsp(t0, tcg_constant_tl(imm), tcg_env); break; case NM_EXTP: - tcg_gen_movi_tl(t0, v2 >> 3); - tcg_gen_movi_tl(t1, v1); - gen_helper_extp(t0, t0, t1, tcg_env); + gen_helper_extp(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; case NM_EXTPDP: - tcg_gen_movi_tl(t0, v2 >> 3); - tcg_gen_movi_tl(t1, v1); - gen_helper_extpdp(t0, t0, t1, tcg_env); + gen_helper_extpdp(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; } break; case NM_POOL32AXF_1_4: check_dsp(ctx); - tcg_gen_movi_tl(t0, v2 >> 2); switch (extract32(ctx->opcode, 12, 1)) { case NM_SHLL_QB: - gen_helper_shll_qb(t0, t0, v0_t, tcg_env); + gen_helper_shll_qb(t0, tcg_constant_tl(v2 >> 2), v0_t, tcg_env= ); gen_store_gpr(t0, ret); break; case NM_SHRL_QB: - gen_helper_shrl_qb(t0, t0, v0_t); + gen_helper_shrl_qb(t0, tcg_constant_tl(v2 >> 2), v0_t); gen_store_gpr(t0, ret); break; } @@ -1630,23 +1621,25 @@ static void gen_pool32axf_1_nanomips_insn(DisasCont= ext *ctx, uint32_t opc, break; case NM_POOL32AXF_1_7: check_dsp(ctx); - tcg_gen_movi_tl(t0, v2 >> 3); - tcg_gen_movi_tl(t1, v1); switch (extract32(ctx->opcode, 12, 2)) { case NM_EXTR_W: - gen_helper_extr_w(t0, t0, t1, tcg_env); + gen_helper_extr_w(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; case NM_EXTR_R_W: - gen_helper_extr_r_w(t0, t0, t1, tcg_env); + gen_helper_extr_r_w(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; case NM_EXTR_RS_W: - gen_helper_extr_rs_w(t0, t0, t1, tcg_env); + gen_helper_extr_rs_w(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; case NM_EXTR_S_H: - gen_helper_extr_s_h(t0, t0, t1, tcg_env); + gen_helper_extr_s_h(t0, tcg_constant_tl(v2 >> 3), + tcg_constant_tl(v1), tcg_env); gen_store_gpr(t0, ret); break; } @@ -1848,8 +1841,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContex= t *ctx, uint32_t opc, case NM_EXTRV_W: check_dsp(ctx); gen_load_gpr(v1_t, rs); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extr_w(t0, t0, v1_t, tcg_env); + gen_helper_extr_w(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_env); gen_store_gpr(t0, ret); break; } @@ -1903,8 +1895,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContex= t *ctx, uint32_t opc, break; case NM_EXTRV_R_W: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extr_r_w(t0, t0, v1_t, tcg_env); + gen_helper_extr_r_w(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_en= v); gen_store_gpr(t0, ret); break; default: @@ -1923,8 +1914,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContex= t *ctx, uint32_t opc, break; case NM_EXTPV: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extp(t0, t0, v1_t, tcg_env); + gen_helper_extp(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_env); gen_store_gpr(t0, ret); break; case NM_MSUB: @@ -1947,8 +1937,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContex= t *ctx, uint32_t opc, break; case NM_EXTRV_RS_W: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extr_rs_w(t0, t0, v1_t, tcg_env); + gen_helper_extr_rs_w(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_e= nv); gen_store_gpr(t0, ret); break; } @@ -1964,8 +1953,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContex= t *ctx, uint32_t opc, break; case NM_EXTPDPV: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extpdp(t0, t0, v1_t, tcg_env); + gen_helper_extpdp(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_env); gen_store_gpr(t0, ret); break; case NM_MSUBU: @@ -1990,8 +1978,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContex= t *ctx, uint32_t opc, break; case NM_EXTRV_S_H: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd >> 3); - gen_helper_extr_s_h(t0, t0, v1_t, tcg_env); + gen_helper_extr_s_h(t0, tcg_constant_tl(rd >> 3), v1_t, tcg_en= v); gen_store_gpr(t0, ret); break; } @@ -2149,24 +2136,22 @@ static void gen_pool32axf_7_nanomips_insn(DisasCont= ext *ctx, uint32_t opc, switch (opc) { case NM_SHRA_R_QB: check_dsp_r2(ctx); - tcg_gen_movi_tl(t0, rd >> 2); switch (extract32(ctx->opcode, 12, 1)) { case 0: /* NM_SHRA_QB */ - gen_helper_shra_qb(t0, t0, rs_t); + gen_helper_shra_qb(t0, tcg_constant_tl(rd >> 2), rs_t); gen_store_gpr(t0, rt); break; case 1: /* NM_SHRA_R_QB */ - gen_helper_shra_r_qb(t0, t0, rs_t); + gen_helper_shra_r_qb(t0, tcg_constant_tl(rd >> 2), rs_t); gen_store_gpr(t0, rt); break; } break; case NM_SHRL_PH: check_dsp_r2(ctx); - tcg_gen_movi_tl(t0, rd >> 1); - gen_helper_shrl_ph(t0, t0, rs_t); + gen_helper_shrl_ph(t0, tcg_constant_tl(rd >> 1), rs_t); gen_store_gpr(t0, rt); break; case NM_REPL_QB: @@ -2180,8 +2165,7 @@ static void gen_pool32axf_7_nanomips_insn(DisasContex= t *ctx, uint32_t opc, (uint32_t)imm << 8 | (uint32_t)imm; result =3D (int32_t)result; - tcg_gen_movi_tl(t0, result); - gen_store_gpr(t0, rt); + gen_store_gpr(tcg_constant_tl(result), rt); } break; default: @@ -2302,10 +2286,9 @@ static void gen_compute_imm_branch(DisasContext *ctx= , uint32_t opc, { TCGCond cond =3D TCG_COND_ALWAYS; TCGv t0 =3D tcg_temp_new(); - TCGv t1 =3D tcg_temp_new(); + TCGv timm =3D tcg_constant_tl(imm); =20 gen_load_gpr(t0, rt); - tcg_gen_movi_tl(t1, imm); ctx->btarget =3D addr_add(ctx, ctx->base.pc_next + 4, offset); =20 /* Load needed operands and calculate btarget */ @@ -2334,7 +2317,7 @@ static void gen_compute_imm_branch(DisasContext *ctx,= uint32_t opc, } else { tcg_gen_shri_tl(t0, t0, imm); tcg_gen_andi_tl(t0, t0, 1); - tcg_gen_movi_tl(t1, 0); + timm =3D tcg_constant_tl(0); if (opc =3D=3D NM_BBEQZC) { cond =3D TCG_COND_EQ; } else { @@ -2389,7 +2372,7 @@ static void gen_compute_imm_branch(DisasContext *ctx,= uint32_t opc, /* Conditional compact branch */ TCGLabel *fs =3D gen_new_label(); =20 - tcg_gen_brcond_tl(tcg_invert_cond(cond), t0, t1, fs); + tcg_gen_brcond_tl(tcg_invert_cond(cond), t0, timm, fs); =20 gen_goto_tb(ctx, 1, ctx->btarget); gen_set_label(fs); @@ -2403,7 +2386,6 @@ static void gen_compute_nanomips_pbalrsc_branch(Disas= Context *ctx, int rs, int rt) { TCGv t0 =3D tcg_temp_new(); - TCGv t1 =3D tcg_temp_new(); =20 /* load rs */ gen_load_gpr(t0, rs); @@ -2415,8 +2397,7 @@ static void gen_compute_nanomips_pbalrsc_branch(Disas= Context *ctx, int rs, =20 /* calculate btarget */ tcg_gen_shli_tl(t0, t0, 1); - tcg_gen_movi_tl(t1, ctx->base.pc_next + 4); - gen_op_addr_add(ctx, btarget, t1, t0); + gen_op_addr_add(ctx, btarget, tcg_constant_tl(ctx->base.pc_next + 4), = t0); =20 /* branch completion */ clear_branch_hflags(ctx); @@ -2469,11 +2450,9 @@ static void gen_compute_compact_branch_nm(DisasConte= xt *ctx, uint32_t opc, } else { /* OPC_JIC, OPC_JIALC */ TCGv tbase =3D tcg_temp_new(); - TCGv toffset =3D tcg_temp_new(); =20 gen_load_gpr(tbase, rt); - tcg_gen_movi_tl(toffset, offset); - gen_op_addr_add(ctx, btarget, tbase, toffset); + gen_op_addr_add(ctx, btarget, tbase, tcg_constant_tl(offset)); } break; default: @@ -3445,13 +3424,10 @@ static void gen_pool32a5_nanomips_insn(DisasContext= *ctx, int opc, case NM_SHILO: check_dsp(ctx); { - TCGv tv0 =3D tcg_temp_new(); - TCGv tv1 =3D tcg_temp_new(); int16_t imm =3D extract32(ctx->opcode, 16, 7); =20 - tcg_gen_movi_tl(tv0, rd >> 3); - tcg_gen_movi_tl(tv1, imm); - gen_helper_shilo(tv0, tv1, tcg_env); + gen_helper_shilo(tcg_constant_tl(rd >> 3), + tcg_constant_tl(imm), tcg_env); } break; case NM_MULEQ_S_W_PHL: @@ -3506,8 +3482,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *= ctx, int opc, break; case NM_SHRA_R_W: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd); - gen_helper_shra_r_w(v1_t, t0, v1_t); + gen_helper_shra_r_w(v1_t, tcg_constant_tl(rd), v1_t); gen_store_gpr(v1_t, rt); break; case NM_SHRA_R_PH: @@ -3547,8 +3522,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *= ctx, int opc, break; case NM_SHLL_S_W: check_dsp(ctx); - tcg_gen_movi_tl(t0, rd); - gen_helper_shll_s_w(v1_t, t0, v1_t, tcg_env); + gen_helper_shll_s_w(v1_t, tcg_constant_tl(rd), v1_t, tcg_env); gen_store_gpr(v1_t, rt); break; case NM_REPL_PH: @@ -3729,31 +3703,25 @@ static int decode_nanomips_32_48_opc(CPUMIPSState *= env, DisasContext *ctx) case NM_LWPC48: check_nms(ctx); if (rt !=3D 0) { - TCGv t0; - t0 =3D tcg_temp_new(); - target_long addr =3D addr_add(ctx, ctx->base.pc_next += 6, addr_off); =20 - tcg_gen_movi_tl(t0, addr); - tcg_gen_qemu_ld_tl(cpu_gpr[rt], t0, ctx->mem_idx, + tcg_gen_qemu_ld_tl(cpu_gpr[rt], tcg_constant_tl(addr),= ctx->mem_idx, mo_endian(ctx) | MO_SL | ctx->defau= lt_tcg_memop_mask); } break; case NM_SWPC48: check_nms(ctx); { - TCGv t0, t1; - t0 =3D tcg_temp_new(); + TCGv t1; t1 =3D tcg_temp_new(); =20 target_long addr =3D addr_add(ctx, ctx->base.pc_next += 6, addr_off); =20 - tcg_gen_movi_tl(t0, addr); gen_load_gpr(t1, rt); =20 - tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, + tcg_gen_qemu_st_tl(t1, tcg_constant_tl(addr), ctx->mem= _idx, mo_endian(ctx) | MO_UL | ctx->defau= lt_tcg_memop_mask); 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Fri, 04 Oct 2024 13:26:56 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Richard Henderson , qemu-ppc@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 2/3] target/tricore: Use tcg_constant_tl() instead of tcg_gen_movi_tl() Date: Fri, 4 Oct 2024 17:26:20 -0300 Message-ID: <20241004202621.4321-3-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241004202621.4321-1-philmd@linaro.org> References: <20241004202621.4321-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::22a; envelope-from=philmd@linaro.org; helo=mail-lj1-x22a.google.com 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1728073659430116600 Directly use tcg_constant_tl() for constant integer, this save a call to tcg_gen_movi_tl(). Inspired-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- target/tricore/translate.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/target/tricore/translate.c b/target/tricore/translate.c index a46a03e1fd8..4a12d2ca191 100644 --- a/target/tricore/translate.c +++ b/target/tricore/translate.c @@ -2732,8 +2732,7 @@ static inline void gen_insert(TCGv ret, TCGv r1, TCGv= r2, TCGv width, TCGv pos) TCGv temp =3D tcg_temp_new(); TCGv temp2 =3D tcg_temp_new(); =20 - tcg_gen_movi_tl(mask, 1); - tcg_gen_shl_tl(mask, mask, width); + tcg_gen_shl_tl(mask, tcg_constant_tl(1), width); tcg_gen_subi_tl(mask, mask, 1); tcg_gen_shl_tl(mask, mask, pos); =20 --=20 2.45.2 From nobody Sat Nov 23 22:27:11 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::12e; envelope-from=philmd@linaro.org; helo=mail-lf1-x12e.google.com 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1728073659444116600 Directly use tcg_constant_tl() for constant integer, this save a call to tcg_gen_movi_tl() and a temp register. Inspired-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- target/ppc/translate.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 71513ba9646..7689b2ac2e1 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -1588,16 +1588,13 @@ static opc_handler_t invalid_handler =3D { static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf) { TCGv t0 =3D tcg_temp_new(); - TCGv t1 =3D tcg_temp_new(); TCGv_i32 t =3D tcg_temp_new_i32(); =20 - tcg_gen_movi_tl(t0, CRF_EQ); - tcg_gen_movi_tl(t1, CRF_LT); tcg_gen_movcond_tl((s ? TCG_COND_LT : TCG_COND_LTU), - t0, arg0, arg1, t1, t0); - tcg_gen_movi_tl(t1, CRF_GT); + t0, arg0, arg1, + tcg_constant_tl(CRF_LT), tcg_constant_tl(CRF_EQ)); tcg_gen_movcond_tl((s ? TCG_COND_GT : TCG_COND_GTU), - t0, arg0, arg1, t1, t0); + t0, arg0, arg1, tcg_constant_tl(CRF_GT), t0); =20 tcg_gen_trunc_tl_i32(t, t0); tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so); @@ -2974,8 +2971,8 @@ static void gen_fetch_inc_conditional(DisasContext *c= tx, MemOp memop, tcg_gen_qemu_st_tl(u, EA, ctx->mem_idx, memop); =20 /* RT =3D (t !=3D t2 ? t : u =3D 1<<(s*8-1)) */ - tcg_gen_movi_tl(u, 1 << (memop_size(memop) * 8 - 1)); - tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, u); + tcg_gen_movcond_tl(cond, cpu_gpr[rD(ctx->opcode)], t, t2, t, + tcg_constant_tl(1 << (memop_size(memop) * 8 - 1))); } =20 static void gen_ld_atomic(DisasContext *ctx, MemOp memop) --=20 2.45.2