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([2602:ae:1598:4c01:c13a:d73:4f88:3654]) by smtp.gmail.com with ESMTPSA id b8-20020aa78708000000b0064d27a28451sm5796111pfo.100.2023.05.23.06.53.43 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 May 2023 06:53:44 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 25/52] tcg: Split helper-proto.h Date: Tue, 23 May 2023 06:52:55 -0700 Message-Id: <20230523135322.678948-26-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230523135322.678948-1-richard.henderson@linaro.org> References: <20230523135322.678948-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::435; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x435.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 Create helper-proto-common.h without the target specific portion. Use that in tcg-op-common.h. Include helper-proto.h in target/arm and target/hexagon before helper-info.c.inc; all other targets are already correct in this regard. Signed-off-by: Richard Henderson --- include/exec/helper-proto-common.h | 17 +++++++ include/exec/helper-proto.h | 72 ++++-------------------------- include/tcg/tcg-op-common.h | 2 +- accel/tcg/cputlb.c | 3 +- accel/tcg/plugin-gen.c | 2 +- accel/tcg/tcg-runtime-gvec.c | 2 +- accel/tcg/tcg-runtime.c | 2 +- target/arm/tcg/translate.c | 1 + target/hexagon/translate.c | 1 + include/exec/helper-proto.h.inc | 67 +++++++++++++++++++++++++++ 10 files changed, 99 insertions(+), 70 deletions(-) create mode 100644 include/exec/helper-proto-common.h create mode 100644 include/exec/helper-proto.h.inc diff --git a/include/exec/helper-proto-common.h b/include/exec/helper-proto-common.h new file mode 100644 index 0000000000..666778473e --- /dev/null +++ b/include/exec/helper-proto-common.h @@ -0,0 +1,17 @@ +/* + * Helper file for declaring TCG helper functions. + * This one expands prototypes for the helper functions. + */ + +#ifndef HELPER_PROTO_COMMON_H +#define HELPER_PROTO_COMMON_H + +#define HELPER_H "accel/tcg/tcg-runtime.h" +#include "exec/helper-proto.h.inc" +#undef HELPER_H + +#define HELPER_H "accel/tcg/plugin-helpers.h" +#include "exec/helper-proto.h.inc" +#undef HELPER_H + +#endif /* HELPER_PROTO_COMMON_H */ diff --git a/include/exec/helper-proto.h b/include/exec/helper-proto.h index 7a3f04b58c..aac684dbbf 100644 --- a/include/exec/helper-proto.h +++ b/include/exec/helper-proto.h @@ -1,71 +1,15 @@ -/* Helper file for declaring TCG helper functions. - This one expands prototypes for the helper functions. */ +/* + * Helper file for declaring TCG helper functions. + * This one expands prototypes for the helper functions. + */ #ifndef HELPER_PROTO_H #define HELPER_PROTO_H -#include "exec/helper-head.h" +#include "exec/helper-proto-common.h" -/* - * Work around an issue with --enable-lto, in which GCC's ipa-split pass - * decides to split out the noreturn code paths that raise an exception, - * taking the __builtin_return_address() along into the new function, - * where it no longer computes a value that returns to TCG generated code. - * Despite the name, the noinline attribute affects splitter, so this - * prevents the optimization in question. Given that helpers should not - * otherwise be called directly, this should have any other visible effect. - * - * See https://gitlab.com/qemu-project/qemu/-/issues/1454 - */ -#define DEF_HELPER_ATTR __attribute__((noinline)) - -#define DEF_HELPER_FLAGS_0(name, flags, ret) \ -dh_ctype(ret) HELPER(name) (void) DEF_HELPER_ATTR; - -#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \ -dh_ctype(ret) HELPER(name) (dh_ctype(t1)) DEF_HELPER_ATTR; - -#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \ -dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2)) DEF_HELPER_ATTR; - -#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \ -dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), \ - dh_ctype(t3)) DEF_HELPER_ATTR; - -#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \ -dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ - dh_ctype(t4)) DEF_HELPER_ATTR; - -#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \ -dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ - dh_ctype(t4), dh_ctype(t5)) DEF_HELPER_ATTR; - -#define DEF_HELPER_FLAGS_6(name, flags, ret, t1, t2, t3, t4, t5, t6) \ -dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ - dh_ctype(t4), dh_ctype(t5), \ - dh_ctype(t6)) DEF_HELPER_ATTR; - -#define DEF_HELPER_FLAGS_7(name, flags, ret, t1, t2, t3, t4, t5, t6, t7) \ -dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ - dh_ctype(t4), dh_ctype(t5), dh_ctype(t6), \ - dh_ctype(t7)) DEF_HELPER_ATTR; - -#define IN_HELPER_PROTO - -#include "helper.h" -#include "accel/tcg/tcg-runtime.h" -#include "accel/tcg/plugin-helpers.h" - -#undef IN_HELPER_PROTO - -#undef DEF_HELPER_FLAGS_0 -#undef DEF_HELPER_FLAGS_1 -#undef DEF_HELPER_FLAGS_2 -#undef DEF_HELPER_FLAGS_3 -#undef DEF_HELPER_FLAGS_4 -#undef DEF_HELPER_FLAGS_5 -#undef DEF_HELPER_FLAGS_6 -#undef DEF_HELPER_FLAGS_7 -#undef DEF_HELPER_ATTR +#define HELPER_H "helper.h" +#include "exec/helper-proto.h.inc" +#undef HELPER_H #endif /* HELPER_PROTO_H */ diff --git a/include/tcg/tcg-op-common.h b/include/tcg/tcg-op-common.h index f6f05469c5..be382bbf77 100644 --- a/include/tcg/tcg-op-common.h +++ b/include/tcg/tcg-op-common.h @@ -9,7 +9,7 @@ #define TCG_TCG_OP_COMMON_H #include "tcg/tcg.h" -#include "exec/helper-proto.h" +#include "exec/helper-proto-common.h" #include "exec/helper-gen-common.h" /* Basic output routines. Not for general consumption. */ diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index 32a4817139..5e2ca47243 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -29,7 +29,7 @@ #include "tcg/tcg.h" #include "qemu/error-report.h" #include "exec/log.h" -#include "exec/helper-proto.h" +#include "exec/helper-proto-common.h" #include "qemu/atomic.h" #include "qemu/atomic128.h" #include "exec/translate-all.h" @@ -41,7 +41,6 @@ #endif #include "tcg/tcg-ldst.h" #include "tcg/oversized-guest.h" -#include "exec/helper-proto.h" /* DEBUG defines, enable DEBUG_TLB_LOG to log to the CPU_LOG_MMU target */ /* #define DEBUG_TLB */ diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c index 40b34a0403..3e528f191d 100644 --- a/accel/tcg/plugin-gen.c +++ b/accel/tcg/plugin-gen.c @@ -49,7 +49,7 @@ #include "exec/exec-all.h" #include "exec/plugin-gen.h" #include "exec/translator.h" -#include "exec/helper-proto.h" +#include "exec/helper-proto-common.h" #define HELPER_H "accel/tcg/plugin-helpers.h" #include "exec/helper-info.c.inc" diff --git a/accel/tcg/tcg-runtime-gvec.c b/accel/tcg/tcg-runtime-gvec.c index 97399493d5..6c99f952ca 100644 --- a/accel/tcg/tcg-runtime-gvec.c +++ b/accel/tcg/tcg-runtime-gvec.c @@ -20,7 +20,7 @@ #include "qemu/osdep.h" #include "qemu/host-utils.h" #include "cpu.h" -#include "exec/helper-proto.h" +#include "exec/helper-proto-common.h" #include "tcg/tcg-gvec-desc.h" diff --git a/accel/tcg/tcg-runtime.c b/accel/tcg/tcg-runtime.c index 14b59a36e5..9fa539ad3d 100644 --- a/accel/tcg/tcg-runtime.c +++ b/accel/tcg/tcg-runtime.c @@ -24,7 +24,7 @@ #include "qemu/osdep.h" #include "qemu/host-utils.h" #include "cpu.h" -#include "exec/helper-proto.h" +#include "exec/helper-proto-common.h" #include "exec/cpu_ldst.h" #include "exec/exec-all.h" #include "disas/disas.h" diff --git a/target/arm/tcg/translate.c b/target/arm/tcg/translate.c index ce50531dff..379f266256 100644 --- a/target/arm/tcg/translate.c +++ b/target/arm/tcg/translate.c @@ -35,6 +35,7 @@ #include "translate.h" #include "translate-a32.h" #include "exec/gen-icount.h" +#include "exec/helper-proto.h" #define HELPER_H "helper.h" #include "exec/helper-info.c.inc" diff --git a/target/hexagon/translate.c b/target/hexagon/translate.c index 370dbbaa77..eda384a9db 100644 --- a/target/hexagon/translate.c +++ b/target/hexagon/translate.c @@ -21,6 +21,7 @@ #include "tcg/tcg-op.h" #include "tcg/tcg-op-gvec.h" #include "exec/helper-gen.h" +#include "exec/helper-proto.h" #include "exec/cpu_ldst.h" #include "exec/log.h" #include "internal.h" diff --git a/include/exec/helper-proto.h.inc b/include/exec/helper-proto.h.inc new file mode 100644 index 0000000000..f6f0cfcacd --- /dev/null +++ b/include/exec/helper-proto.h.inc @@ -0,0 +1,67 @@ +/* + * Helper file for declaring TCG helper functions. + * This one expands prototypes for the helper functions. + * Define HELPER_H for the header file to be expanded. + */ + +#include "exec/helper-head.h" + +/* + * Work around an issue with --enable-lto, in which GCC's ipa-split pass + * decides to split out the noreturn code paths that raise an exception, + * taking the __builtin_return_address() along into the new function, + * where it no longer computes a value that returns to TCG generated code. + * Despite the name, the noinline attribute affects splitter, so this + * prevents the optimization in question. Given that helpers should not + * otherwise be called directly, this should have any other visible effect. + * + * See https://gitlab.com/qemu-project/qemu/-/issues/1454 + */ +#define DEF_HELPER_ATTR __attribute__((noinline)) + +#define DEF_HELPER_FLAGS_0(name, flags, ret) \ +dh_ctype(ret) HELPER(name) (void) DEF_HELPER_ATTR; + +#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \ +dh_ctype(ret) HELPER(name) (dh_ctype(t1)) DEF_HELPER_ATTR; + +#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \ +dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2)) DEF_HELPER_ATTR; + +#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \ +dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), \ + dh_ctype(t3)) DEF_HELPER_ATTR; + +#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \ +dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ + dh_ctype(t4)) DEF_HELPER_ATTR; + +#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \ +dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ + dh_ctype(t4), dh_ctype(t5)) DEF_HELPER_ATTR; + +#define DEF_HELPER_FLAGS_6(name, flags, ret, t1, t2, t3, t4, t5, t6) \ +dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ + dh_ctype(t4), dh_ctype(t5), \ + dh_ctype(t6)) DEF_HELPER_ATTR; + +#define DEF_HELPER_FLAGS_7(name, flags, ret, t1, t2, t3, t4, t5, t6, t7) \ +dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \ + dh_ctype(t4), dh_ctype(t5), dh_ctype(t6), \ + dh_ctype(t7)) DEF_HELPER_ATTR; + +#define IN_HELPER_PROTO + +#include HELPER_H + +#undef IN_HELPER_PROTO + +#undef DEF_HELPER_FLAGS_0 +#undef DEF_HELPER_FLAGS_1 +#undef DEF_HELPER_FLAGS_2 +#undef DEF_HELPER_FLAGS_3 +#undef DEF_HELPER_FLAGS_4 +#undef DEF_HELPER_FLAGS_5 +#undef DEF_HELPER_FLAGS_6 +#undef DEF_HELPER_FLAGS_7 +#undef DEF_HELPER_ATTR