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Fix missing truncation UNDERFLOW.

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This commit is contained in:
Marcus Shawcroft
2012-11-13 17:01:05 +00:00
parent 640ac3f1bf
commit 47594329a9
3 changed files with 36 additions and 30 deletions
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34
soft-fp/soft-fp.h
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@ -158,22 +158,24 @@ do { \
#define _FP_ROUND(wc, X) \
do { \
if (_FP_FRAC_LOW_##wc(X) & 7) \
FP_SET_EXCEPTION(FP_EX_INEXACT); \
switch (FP_ROUNDMODE) \
{ \
case FP_RND_NEAREST: \
_FP_ROUND_NEAREST(wc,X); \
break; \
case FP_RND_ZERO: \
_FP_ROUND_ZERO(wc,X); \
break; \
case FP_RND_PINF: \
_FP_ROUND_PINF(wc,X); \
break; \
case FP_RND_MINF: \
_FP_ROUND_MINF(wc,X); \
break; \
} \
{ \
FP_SET_EXCEPTION(FP_EX_INEXACT); \
switch (FP_ROUNDMODE) \
{ \
case FP_RND_NEAREST: \
_FP_ROUND_NEAREST(wc,X); \
break; \
case FP_RND_ZERO: \
_FP_ROUND_ZERO(wc,X); \
break; \
case FP_RND_PINF: \
_FP_ROUND_PINF(wc,X); \
break; \
case FP_RND_MINF: \
_FP_ROUND_MINF(wc,X); \
break; \
} \
} \
} while (0)
#define FP_CLS_NORMAL 0