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tcg: Add support for a helper with 7 arguments

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Currently, helpers can only take up to 6 arguments. This patch adds the
capability for up to 7 arguments. I have tested it with the Hexagon port
that I am preparing for submission.

Backports commit e6cadf49c3d191f6984e56ec3bbeb0b103ca5bc2 from qemu
This commit is contained in:
Taylor Simpson 2020-03-21 16:46:48 -04:00 committed by Lioncash
parent eb0586f9cd
commit 6507fdb3b1
4 changed files with 27 additions and 0 deletions
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13
qemu/include/exec/helper-gen.h
View file

@ -66,6 +66,18 @@ static inline void glue(gen_helper_, name)(TCGContext *tcg_ctx, dh_retvar_decl(r
tcg_gen_callN(tcg_ctx, HELPER(name), dh_retvar(ret), 6, args); \
}
#define DEF_HELPER_FLAGS_7(name, flags, ret, t1, t2, t3, t4, t5, t6, t7)\
static inline void glue(gen_helper_, name)(TCGContext *tcg_ctx, 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), \
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(tcg_ctx, HELPER(name), dh_retvar(ret), 7, args); \
}
#include "helper.h"
#include "tcg-runtime.h"
@ -76,6 +88,7 @@ static inline void glue(gen_helper_, name)(TCGContext *tcg_ctx, dh_retvar_decl(r
#undef DEF_HELPER_FLAGS_4
#undef DEF_HELPER_FLAGS_5
#undef DEF_HELPER_FLAGS_6
#undef DEF_HELPER_FLAGS_7
#undef GEN_HELPER
#endif /* HELPER_GEN_H */

2
qemu/include/exec/helper-head.h
View file

@ -150,6 +150,8 @@
DEF_HELPER_FLAGS_5(name, 0, ret, t1, t2, t3, t4, t5)
#define DEF_HELPER_6(name, ret, t1, t2, t3, t4, t5, t6) \
DEF_HELPER_FLAGS_6(name, 0, ret, t1, t2, t3, t4, t5, t6)
#define DEF_HELPER_7(name, ret, t1, t2, t3, t4, t5, t6, t7) \
DEF_HELPER_FLAGS_7(name, 0, ret, t1, t2, t3, t4, t5, t6, t7)
/* MAX_OPC_PARAM_IARGS must be set to n if last entry is DEF_HELPER_FLAGS_n. */

6
qemu/include/exec/helper-proto.h
View file

@ -30,6 +30,11 @@ dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \
dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \
dh_ctype(t4), dh_ctype(t5), dh_ctype(t6));
#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));
#include "helper.h"
#include "tcg-runtime.h"
@ -40,5 +45,6 @@ dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \
#undef DEF_HELPER_FLAGS_4
#undef DEF_HELPER_FLAGS_5
#undef DEF_HELPER_FLAGS_6
#undef DEF_HELPER_FLAGS_7
#endif /* HELPER_PROTO_H */

6
qemu/include/exec/helper-tcg.h
View file

@ -52,6 +52,11 @@
| dh_sizemask(t2, 2) | dh_sizemask(t3, 3) | dh_sizemask(t4, 4) \
| dh_sizemask(t5, 5) | dh_sizemask(t6, 6) },
#define DEF_HELPER_FLAGS_7(NAME, FLAGS, ret, t1, t2, t3, t4, t5, t6, t7) \
{ .func = HELPER(NAME), .name = str(NAME), .flags = FLAGS, \
.sizemask = dh_sizemask(ret, 0) | dh_sizemask(t1, 1) \
| dh_sizemask(t2, 2) | dh_sizemask(t3, 3) | dh_sizemask(t4, 4) \
| dh_sizemask(t5, 5) | dh_sizemask(t6, 6) | dh_sizemask(t7, 7) },
#include "helper.h"
#include "tcg-runtime.h"
@ -64,5 +69,6 @@
#undef DEF_HELPER_FLAGS_4
#undef DEF_HELPER_FLAGS_5
#undef DEF_HELPER_FLAGS_6
#undef DEF_HELPER_FLAGS_7
#endif /* HELPER_TCG_H */