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Fix wordsize-64 cosh regression (bug 14273).

This commit is contained in:
Joseph Myers 2012-06-21 19:26:09 +00:00
parent 79662d4270
commit b7abb4bf78
3 changed files with 7 additions and 1 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
2012-06-21 Joseph Myers <joseph@codesourcery.com> 2012-06-21 Joseph Myers <joseph@codesourcery.com>
[BZ #14273]
* sysdeps/ieee754/dbl-64/wordsize-64/e_cosh.c (__ieee754_cosh):
Clear sign bit of 64-bit integer value before comparing against
overflow value.
* sysdeps/mach/configure: Regenerated. * sysdeps/mach/configure: Regenerated.
2012-06-21 H.J. Lu <hongjiu.lu@intel.com> 2012-06-21 H.J. Lu <hongjiu.lu@intel.com>

2
NEWS
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@ -30,7 +30,7 @@ Version 2.16
13983, 13986, 13996, 14012, 14027, 14033, 14034, 14036, 14040, 14043, 13983, 13986, 13996, 14012, 14027, 14033, 14034, 14036, 14040, 14043,
14044, 14048, 14049, 14050, 14053, 14055, 14059, 14064, 14075, 14080, 14044, 14048, 14049, 14050, 14053, 14055, 14059, 14064, 14075, 14080,
14083, 14103, 14104, 14109, 14112, 14117, 14122, 14123, 14134, 14153, 14083, 14103, 14104, 14109, 14112, 14117, 14122, 14123, 14134, 14153,
14183, 14188, 14199, 14210, 14218, 14229, 14241, 14278 14183, 14188, 14199, 14210, 14218, 14229, 14241, 14273, 14278
* Support for the x32 ABI on x86-64 added. The x32 target is selected by * Support for the x32 ABI on x86-64 added. The x32 target is selected by
configuring glibc with: configuring glibc with:

1
sysdeps/ieee754/dbl-64/wordsize-64/e_cosh.c
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@ -67,6 +67,7 @@ __ieee754_cosh (double x)
/* |x| in [log(maxdouble), overflowthresold] */ /* |x| in [log(maxdouble), overflowthresold] */
int64_t fix; int64_t fix;
EXTRACT_WORDS64(fix, x); EXTRACT_WORDS64(fix, x);
fix &= UINT64_C(0x7fffffffffffffff);
if (fix <= UINT64_C(0x408633ce8fb9f87d)) { if (fix <= UINT64_C(0x408633ce8fb9f87d)) {
w = __ieee754_exp(half*fabs(x)); w = __ieee754_exp(half*fabs(x));
t = half*w; t = half*w;