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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-03-31 20:13:36 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-06-05 12:04:29 -0700 |
| commit | c213ee2dfc7365c0c8544fa25672d891fdffe343 (patch) | |
| tree | 5e29a9ec7ea7907189c14f4ec6e3ad54c643875b /include/exec/helper-proto.h.inc | |
| parent | e4eff8e4edc188b5eee8834479b515325889e27a (diff) | |
| download | focaccia-qemu-c213ee2dfc7365c0c8544fa25672d891fdffe343.tar.gz focaccia-qemu-c213ee2dfc7365c0c8544fa25672d891fdffe343.zip | |
tcg: Split helper-proto.h
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. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/exec/helper-proto.h.inc')
| -rw-r--r-- | include/exec/helper-proto.h.inc | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/include/exec/helper-proto.h.inc b/include/exec/helper-proto.h.inc new file mode 100644 index 0000000000..c3aa666929 --- /dev/null +++ b/include/exec/helper-proto.h.inc @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * 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 not 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 |