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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-24 04:19:14 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-24 04:19:14 +0200 |
| commit | 5579a782ad7ffa162b1060993e4a298dd50e7a33 (patch) | |
| tree | 17a039c29af04579bdbae8323fe322e7dd9b1ec1 /include | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 (diff) | |
| parent | math-emu: Fix thinko in _FP_DIV (diff) | |
| download | linux-5579a782ad7ffa162b1060993e4a298dd50e7a33.tar.xz linux-5579a782ad7ffa162b1060993e4a298dd50e7a33.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
math-emu: Fix thinko in _FP_DIV
math-emu: Fix signalling of underflow and inexact while packing result.
sparc: Add checkstack support
sparc: correct section of current_pc()
sparc: correct section of apc_no_idle
sparc64: Fix race in arch/sparc64/kernel/trampoline.S
Diffstat (limited to 'include')
| -rw-r--r-- | include/math-emu/op-common.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h index cc1ec396f8d6..f456534dcaf9 100644 --- a/include/math-emu/op-common.h +++ b/include/math-emu/op-common.h @@ -139,18 +139,27 @@ do { \ if (X##_e <= _FP_WFRACBITS_##fs) \ { \ _FP_FRAC_SRS_##wc(X, X##_e, _FP_WFRACBITS_##fs); \ - _FP_ROUND(wc, X); \ if (_FP_FRAC_HIGH_##fs(X) \ & (_FP_OVERFLOW_##fs >> 1)) \ { \ X##_e = 1; \ _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - FP_SET_EXCEPTION(FP_EX_INEXACT); \ } \ else \ { \ - X##_e = 0; \ - _FP_FRAC_SRL_##wc(X, _FP_WORKBITS); \ + _FP_ROUND(wc, X); \ + if (_FP_FRAC_HIGH_##fs(X) \ + & (_FP_OVERFLOW_##fs >> 1)) \ + { \ + X##_e = 1; \ + _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ + FP_SET_EXCEPTION(FP_EX_INEXACT); \ + } \ + else \ + { \ + X##_e = 0; \ + _FP_FRAC_SRL_##wc(X, _FP_WORKBITS); \ + } \ } \ if ((FP_CUR_EXCEPTIONS & FP_EX_INEXACT) || \ (FP_TRAPPING_EXCEPTIONS & FP_EX_UNDERFLOW)) \ @@ -494,6 +503,8 @@ do { \ R##_c = FP_CLS_NAN; \ _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_IDI);\ + break; \ + \ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \ R##_s = _FP_NANSIGN_##fs; \ R##_c = FP_CLS_NAN; \ |