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([2607:fb90:27d0:b0f2:934d:3e2:9f8c:dd1]) by smtp.gmail.com with ESMTPSA id n23-20020a6b8b17000000b00649a2634725sm816380iod.17.2022.04.22.09.57.00 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Apr 2022 09:57:01 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v8 45/68] target/nios2: Split out helpers for gen_i_math_logic Date: Fri, 22 Apr 2022 09:52:15 -0700 Message-Id: <20220422165238.1971496-46-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220422165238.1971496-1-richard.henderson@linaro.org> References: <20220422165238.1971496-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::d2d; envelope-from=richard.henderson@linaro.org; helo=mail-io1-xd2d.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, 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Do as little work as possible within the macro. Split out helper functions and pass in arguments instead. Signed-off-by: Richard Henderson --- target/nios2/translate.c | 58 +++++++++++++++++++++++++++------------- 1 file changed, 39 insertions(+), 19 deletions(-) diff --git a/target/nios2/translate.c b/target/nios2/translate.c index 86978ba47a..aa570b6d79 100644 --- a/target/nios2/translate.c +++ b/target/nios2/translate.c @@ -83,6 +83,11 @@ static target_ulong imm_signed(const InstrIType *i) return i->imm16.s; } +static target_ulong imm_shifted(const InstrIType *i) +{ + return i->imm16.u << 16; +} + /* R-Type instruction parsing */ typedef struct { uint8_t op; @@ -115,6 +120,8 @@ typedef struct { .imm26 = extract32((code), 6, 26), \ } +typedef void GenFn2i(TCGv, TCGv, target_long); + typedef struct DisasContext { DisasContextBase base; target_ulong pc; @@ -299,29 +306,42 @@ gen_i_cmpxx(gen_cmpxxsi, imm_signed) gen_i_cmpxx(gen_cmpxxui, imm_unsigned) /* Math/logic instructions */ -#define gen_i_math_logic(fname, insn, resimm, op3) \ -static void (fname)(DisasContext *dc, uint32_t code, uint32_t flags) \ -{ \ - I_TYPE(instr, (code)); \ - if (unlikely(instr.b == R_ZERO)) { /* Store to R_ZERO is ignored */ \ - return; \ - } else if (instr.a == R_ZERO) { /* MOVxI optimizations */ \ - tcg_gen_movi_tl(cpu_R[instr.b], (resimm) ? (op3) : 0); \ - } else { \ - tcg_gen_##insn##_tl(cpu_R[instr.b], cpu_R[instr.a], (op3)); \ - } \ +static void do_i_math_logic(DisasContext *dc, uint32_t insn, + GenFn2i *fn, ImmFromIType *imm, + bool x_op_0_eq_x) +{ + I_TYPE(instr, insn); + target_ulong val; + + if (unlikely(instr.b == R_ZERO)) { + /* Store to R_ZERO is ignored -- this catches the canonical NOP. */ + return; + } + + val = imm(&instr); + + if (instr.a == R_ZERO) { + /* This catches the canonical expansions of movi and movhi. */ + tcg_gen_movi_tl(cpu_R[instr.b], x_op_0_eq_x ? val : 0); + } else { + fn(cpu_R[instr.b], cpu_R[instr.a], val); + } } -gen_i_math_logic(addi, addi, 1, instr.imm16.s) -gen_i_math_logic(muli, muli, 0, instr.imm16.s) +#define gen_i_math_logic(fname, insn, x_op_0, imm) \ + static void (fname)(DisasContext *dc, uint32_t code, uint32_t flags) \ + { do_i_math_logic(dc, code, tcg_gen_##insn##_tl, imm, x_op_0); } -gen_i_math_logic(andi, andi, 0, instr.imm16.u) -gen_i_math_logic(ori, ori, 1, instr.imm16.u) -gen_i_math_logic(xori, xori, 1, instr.imm16.u) +gen_i_math_logic(addi, addi, 1, imm_signed) +gen_i_math_logic(muli, muli, 0, imm_signed) -gen_i_math_logic(andhi, andi, 0, instr.imm16.u << 16) -gen_i_math_logic(orhi , ori, 1, instr.imm16.u << 16) -gen_i_math_logic(xorhi, xori, 1, instr.imm16.u << 16) +gen_i_math_logic(andi, andi, 0, imm_unsigned) +gen_i_math_logic(ori, ori, 1, imm_unsigned) +gen_i_math_logic(xori, xori, 1, imm_unsigned) + +gen_i_math_logic(andhi, andi, 0, imm_shifted) +gen_i_math_logic(orhi , ori, 1, imm_shifted) +gen_i_math_logic(xorhi, xori, 1, imm_shifted) /* Prototype only, defined below */ static void handle_r_type_instr(DisasContext *dc, uint32_t code, -- 2.34.1