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math-emu: Fix thinko in _FP_DIV

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In commit 48d6c64311 ("math-emu: Add
support for reporting exact invalid exception") code was added to
set the new FP_EX_INVALID_{IDI,ZDZ} exception flag bits.

However there is a missing break statement for the
_FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF) switch case, the
code just falls into _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO)
which then proceeds to overwrite all of the settings.

Fix by adding the missing break.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-10-22 22:09:59 -07:00
parent 930cc144a0
commit 60b8267338
1 changed files with 2 additions and 0 deletions
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2
include/math-emu/op-common.h
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@ -503,6 +503,8 @@ do { \
R##_c = FP_CLS_NAN; \ R##_c = FP_CLS_NAN; \
_FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \
FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_IDI);\ FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_IDI);\
break; \
\
case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \
R##_s = _FP_NANSIGN_##fs; \ R##_s = _FP_NANSIGN_##fs; \
R##_c = FP_CLS_NAN; \ R##_c = FP_CLS_NAN; \