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[81.40.121.39]) by smtp.gmail.com with ESMTPSA id s8sm20078938wrn.97.2021.04.18.15.51.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 18 Apr 2021 15:51:23 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v2 05/29] target/mips: Optimize CPU/FPU regnames[] arrays Date: Mon, 19 Apr 2021 00:50:34 +0200 Message-Id: <20210418225058.1257014-6-f4bug@amsat.org> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210418225058.1257014-1-f4bug@amsat.org> References: <20210418225058.1257014-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::32f; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x32f.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no 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 Rikalo , Huacai Chen , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Since all entries are no more than 4 bytes (including nul terminator), can save space and pie runtime relocations by declaring regnames[] as array of 4 const char. Suggested-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé --- target/mips/internal.h | 4 ++-- target/mips/cpu.c | 2 +- target/mips/fpu.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/target/mips/internal.h b/target/mips/internal.h index a8644f754a6..37f54a8b3fc 100644 --- a/target/mips/internal.h +++ b/target/mips/internal.h @@ -71,8 +71,8 @@ struct mips_def_t { int32_t SAARP; }; -extern const char * const regnames[32]; -extern const char * const fregnames[32]; +extern const char regnames[32][4]; +extern const char fregnames[32][4]; extern const struct mips_def_t mips_defs[]; extern const int mips_defs_number; diff --git a/target/mips/cpu.c b/target/mips/cpu.c index f354d18aec4..ed9552ebeb7 100644 --- a/target/mips/cpu.c +++ b/target/mips/cpu.c @@ -35,7 +35,7 @@ #include "qapi/qapi-commands-machine-target.h" #include "fpu_helper.h" -const char * const regnames[32] = { +const char regnames[32][4] = { "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3", "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", diff --git a/target/mips/fpu.c b/target/mips/fpu.c index 1447dba3fa3..c7c487c1f9f 100644 --- a/target/mips/fpu.c +++ b/target/mips/fpu.c @@ -17,7 +17,7 @@ const FloatRoundMode ieee_rm[4] = { float_round_down }; -const char * const fregnames[32] = { +const char fregnames[32][4] = { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", -- 2.26.3