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([2602:ae:1598:4c01:1cd:ec7a:a720:ce9a]) by smtp.gmail.com with ESMTPSA id j12-20020a63fc0c000000b005348af1b84csm194814pgi.74.2023.05.30.21.03.47 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 May 2023 21:03:47 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 22/48] tcg: Split tcg_gen_callN Date: Tue, 30 May 2023 21:03:04 -0700 Message-Id: <20230531040330.8950-23-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230531040330.8950-1-richard.henderson@linaro.org> References: <20230531040330.8950-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::436; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x436.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Make tcg_gen_callN a static function. Create tcg_gen_call[0-7] functions for use by helper-gen.h.inc. Removes a multiplicty of calls to __stack_chk_fail, saving up to 143kiB of .text space as measured on an x86_64 host. Old New Less %Change 8888680 8741816 146864 1.65% qemu-system-aarch64 5911832 5856152 55680 0.94% qemu-system-riscv64 5816728 5767512 49216 0.85% qemu-system-mips64 6707832 6659144 48688 0.73% qemu-system-ppc64 Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- include/exec/helper-gen.h | 40 ++++++++++++++--------------- include/tcg/tcg.h | 14 +++++++++- tcg/tcg.c | 54 ++++++++++++++++++++++++++++++++++++++- 3 files changed, 86 insertions(+), 22 deletions(-) diff --git a/include/exec/helper-gen.h b/include/exec/helper-gen.h index 5a7cdd2ee3..7c93ef70bc 100644 --- a/include/exec/helper-gen.h +++ b/include/exec/helper-gen.h @@ -16,7 +16,7 @@ extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl0(ret)) \ { \ - tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 0, NULL); \ + tcg_gen_call0(&glue(helper_info_, name), dh_retvar(ret)); \ } #define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \ @@ -24,8 +24,8 @@ extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ dh_arg_decl(t1, 1)) \ { \ - TCGTemp *args[1] = { dh_arg(t1, 1) }; \ - tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 1, args); \ + tcg_gen_call1(&glue(helper_info_, name), dh_retvar(ret), \ + dh_arg(t1, 1)); \ } #define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \ @@ -33,8 +33,8 @@ extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ dh_arg_decl(t1, 1), dh_arg_decl(t2, 2)) \ { \ - TCGTemp *args[2] = { dh_arg(t1, 1), dh_arg(t2, 2) }; \ - tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 2, args); \ + tcg_gen_call2(&glue(helper_info_, name), dh_retvar(ret), \ + dh_arg(t1, 1), dh_arg(t2, 2)); \ } #define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \ @@ -42,8 +42,8 @@ extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3)) \ { \ - TCGTemp *args[3] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3) }; \ - tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 3, args); \ + tcg_gen_call3(&glue(helper_info_, name), dh_retvar(ret), \ + dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3)); \ } #define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \ @@ -52,9 +52,9 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), \ dh_arg_decl(t3, 3), dh_arg_decl(t4, 4)) \ { \ - TCGTemp *args[4] = { dh_arg(t1, 1), dh_arg(t2, 2), \ - dh_arg(t3, 3), dh_arg(t4, 4) }; \ - tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 4, args); \ + tcg_gen_call4(&glue(helper_info_, name), dh_retvar(ret), \ + dh_arg(t1, 1), dh_arg(t2, 2), \ + dh_arg(t3, 3), dh_arg(t4, 4)); \ } #define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \ @@ -63,9 +63,9 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \ dh_arg_decl(t4, 4), dh_arg_decl(t5, 5)) \ { \ - TCGTemp *args[5] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ - dh_arg(t4, 4), dh_arg(t5, 5) }; \ - tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 5, args); \ + tcg_gen_call5(&glue(helper_info_, name), dh_retvar(ret), \ + dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ + dh_arg(t4, 4), dh_arg(t5, 5)); \ } #define DEF_HELPER_FLAGS_6(name, flags, ret, t1, t2, t3, t4, t5, t6) \ @@ -74,9 +74,9 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \ dh_arg_decl(t4, 4), dh_arg_decl(t5, 5), dh_arg_decl(t6, 6)) \ { \ - TCGTemp *args[6] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ - dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6) }; \ - tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 6, args); \ + tcg_gen_call6(&glue(helper_info_, name), dh_retvar(ret), \ + dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ + dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6)); \ } #define DEF_HELPER_FLAGS_7(name, flags, ret, t1, t2, t3, t4, t5, t6, t7)\ @@ -86,10 +86,10 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ dh_arg_decl(t4, 4), dh_arg_decl(t5, 5), dh_arg_decl(t6, 6), \ dh_arg_decl(t7, 7)) \ { \ - TCGTemp *args[7] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ - dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6), \ - dh_arg(t7, 7) }; \ - tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 7, args); \ + tcg_gen_call7(&glue(helper_info_, name), dh_retvar(ret), \ + dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ + dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6), \ + dh_arg(t7, 7)); \ } #include "helper.h" diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h index 64c10a63f3..7c1bbba673 100644 --- a/include/tcg/tcg.h +++ b/include/tcg/tcg.h @@ -939,7 +939,19 @@ typedef struct TCGTargetOpDef { bool tcg_op_supported(TCGOpcode op); -void tcg_gen_callN(TCGHelperInfo *, TCGTemp *ret, int nargs, TCGTemp **args); +void tcg_gen_call0(TCGHelperInfo *, TCGTemp *ret); +void tcg_gen_call1(TCGHelperInfo *, TCGTemp *ret, TCGTemp *); +void tcg_gen_call2(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *); +void tcg_gen_call3(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, + TCGTemp *, TCGTemp *); +void tcg_gen_call4(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *, + TCGTemp *, TCGTemp *); +void tcg_gen_call5(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *, + TCGTemp *, TCGTemp *, TCGTemp *); +void tcg_gen_call6(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *, + TCGTemp *, TCGTemp *, TCGTemp *, TCGTemp *); +void tcg_gen_call7(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *, + TCGTemp *, TCGTemp *, TCGTemp *, TCGTemp *, TCGTemp *); TCGOp *tcg_emit_op(TCGOpcode opc, unsigned nargs); void tcg_op_remove(TCGContext *s, TCGOp *op); diff --git a/tcg/tcg.c b/tcg/tcg.c index 59624fceec..d369367c5a 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -2127,7 +2127,7 @@ bool tcg_op_supported(TCGOpcode op) static TCGOp *tcg_op_alloc(TCGOpcode opc, unsigned nargs); -void tcg_gen_callN(TCGHelperInfo *info, TCGTemp *ret, int nargs, TCGTemp **args) +static void tcg_gen_callN(TCGHelperInfo *info, TCGTemp *ret, TCGTemp **args) { TCGv_i64 extend_free[MAX_CALL_IARGS]; int n_extend = 0; @@ -2217,6 +2217,58 @@ void tcg_gen_callN(TCGHelperInfo *info, TCGTemp *ret, int nargs, TCGTemp **args) } } +void tcg_gen_call0(TCGHelperInfo *info, TCGTemp *ret) +{ + tcg_gen_callN(info, ret, NULL); +} + +void tcg_gen_call1(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1) +{ + tcg_gen_callN(info, ret, &t1); +} + +void tcg_gen_call2(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1, TCGTemp *t2) +{ + TCGTemp *args[2] = { t1, t2 }; + tcg_gen_callN(info, ret, args); +} + +void tcg_gen_call3(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1, + TCGTemp *t2, TCGTemp *t3) +{ + TCGTemp *args[3] = { t1, t2, t3 }; + tcg_gen_callN(info, ret, args); +} + +void tcg_gen_call4(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1, + TCGTemp *t2, TCGTemp *t3, TCGTemp *t4) +{ + TCGTemp *args[4] = { t1, t2, t3, t4 }; + tcg_gen_callN(info, ret, args); +} + +void tcg_gen_call5(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1, + TCGTemp *t2, TCGTemp *t3, TCGTemp *t4, TCGTemp *t5) +{ + TCGTemp *args[5] = { t1, t2, t3, t4, t5 }; + tcg_gen_callN(info, ret, args); +} + +void tcg_gen_call6(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1, TCGTemp *t2, + TCGTemp *t3, TCGTemp *t4, TCGTemp *t5, TCGTemp *t6) +{ + TCGTemp *args[6] = { t1, t2, t3, t4, t5, t6 }; + tcg_gen_callN(info, ret, args); +} + +void tcg_gen_call7(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1, + TCGTemp *t2, TCGTemp *t3, TCGTemp *t4, + TCGTemp *t5, TCGTemp *t6, TCGTemp *t7) +{ + TCGTemp *args[7] = { t1, t2, t3, t4, t5, t6, t7 }; + tcg_gen_callN(info, ret, args); +} + static void tcg_reg_alloc_start(TCGContext *s) { int i, n;