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target/arm: Introduce TRANS, TRANS_FEAT 

Steal the idea for these leaf function expanders from PowerPC.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220527181907.189259-2-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-05-27 11:17:14 -07:00 committed by Peter Maydell
parent fd71f258bc
commit 05a546429f
1 changed files with 11 additions and 0 deletions
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11
target/arm/translate.h
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@ -576,4 +576,15 @@ static inline MemOp finalize_memop(DisasContext *s, MemOp opc)
*/
uint64_t asimd_imm_const(uint32_t imm, int cmode, int op);
/*
* Helpers for implementing sets of trans_* functions.
* Defer the implementation of NAME to FUNC, with optional extra arguments.
*/
#define TRANS(NAME, FUNC, ...) \
static bool trans_##NAME(DisasContext *s, arg_##NAME *a) \
{ return FUNC(s, __VA_ARGS__); }
#define TRANS_FEAT(NAME, FEAT, FUNC, ...) \
static bool trans_##NAME(DisasContext *s, arg_##NAME *a) \
{ return dc_isar_feature(FEAT, s) && FUNC(s, __VA_ARGS__); }
#endif /* TARGET_ARM_TRANSLATE_H */