math-emu: Use statement expressions to fix Wshift-count-overflow warning
To avoid "shift count >= width of type" warning, using statement expressions to implement the conditional controlling before constant shift The modification in op-2.h is taken from the glibc commit 'sysdeps/unix/sysv/lin ("fe0b1e854ad32")'. Signed-off-by: Vincent Chen <vincentc@andestech.com> Acked-by: Greentime Hu <greentime@andestech.com> Signed-off-by: Greentime Hu <greentime@andestech.com>
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@ -567,16 +567,13 @@
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*/
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#define _FP_FRAC_ASSEMBLE_2(r, X, rsize) \
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do { \
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if (rsize <= _FP_W_TYPE_SIZE) \
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r = X##_f0; \
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else \
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{ \
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r = X##_f1; \
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r <<= _FP_W_TYPE_SIZE; \
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r += X##_f0; \
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} \
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} while (0)
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(void) (((rsize) <= _FP_W_TYPE_SIZE) \
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? ({ (r) = X##_f0; }) \
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: ({ \
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(r) = X##_f1; \
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(r) <<= _FP_W_TYPE_SIZE; \
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(r) += X##_f0; \
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}))
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#define _FP_FRAC_DISASSEMBLE_2(X, r, rsize) \
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do { \
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@ -795,11 +795,12 @@ do { \
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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; \
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