change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/include/math-emu/op-common.h
..
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@@ -308,6 +308,7 @@
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 									     \
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   case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO):			     \
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     R##_e = X##_e;							     \
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+	fallthrough;							     \
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   case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL):			     \
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   case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF):				     \
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   case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO):				     \
..
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@@ -318,6 +319,7 @@
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 									     \
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   case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL):			     \
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     R##_e = Y##_e;							     \
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+	fallthrough;							     \
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   case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN):			     \
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   case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN):				     \
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   case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN):				     \
..
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@@ -415,6 +417,7 @@
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   case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF):		\
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   case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO):		\
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     R##_s = X##_s;					\
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+	  fallthrough;					\
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 							\
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   case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF):		\
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   case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL):	\
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@@ -428,6 +431,7 @@
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   case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN):		\
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   case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN):		\
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     R##_s = Y##_s;					\
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+	  fallthrough;					\
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 							\
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   case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF):	\
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   case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO):	\
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@@ -493,6 +497,7 @@
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 							\
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   case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO):	\
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     FP_SET_EXCEPTION(FP_EX_DIVZERO);			\
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+	fallthrough;					\
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   case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO):		\
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   case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL):	\
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     R##_c = FP_CLS_INF;					\
..
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@@ -795,11 +800,12 @@
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 	  ur_ = (unsigned rtype) -r;					\
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 	else								\
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 	  ur_ = (unsigned rtype) r;					\
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-	if (rsize <= _FP_W_TYPE_SIZE)					\
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-	  __FP_CLZ(X##_e, ur_);						\
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-	else								\
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-	  __FP_CLZ_2(X##_e, (_FP_W_TYPE)(ur_ >> _FP_W_TYPE_SIZE), 	\
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-		     (_FP_W_TYPE)ur_);					\
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+	(void) (((rsize) <= _FP_W_TYPE_SIZE)				\
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+		? ({ __FP_CLZ(X##_e, ur_); })				\
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+		: ({							\
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+		     __FP_CLZ_2(X##_e, (_FP_W_TYPE)(ur_ >> _FP_W_TYPE_SIZE),  \
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+							    (_FP_W_TYPE)ur_); \
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+		  }));							\
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 	if (rsize < _FP_W_TYPE_SIZE)					\
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 		X##_e -= (_FP_W_TYPE_SIZE - rsize);			\
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 	X##_e = rsize - X##_e - 1;					\