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Mark various libm tests with xfail-rounding:ldbl-128ibm.

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This patch marks various libm tests with xfail-rounding:ldbl-128ibm,
where the failures appear to relate to GCC bug 59666 (bad libgcc
handling of directed rounding), so as to allow clean libm-test-ulps
regeneration without needing to edit out large ulps for various
functions manually.

Note that this only deals with the cases problematic for ulps
regeneration.  There are plenty of test failures left that do not
affect ulps regeneration - results that are infinities or NaNs but
should be finite, or vice versa, and missing and spurious exceptions -
which should also be resolved during the release testing period.

Tested for powerpc32 (hard float).

	* math/auto-libm-test-in: Mark various tests with
	xfail-rounding:ldbl-128ibm.
	* math/auto-libm-test-out: Regenerated.
This commit is contained in:
Joseph Myers 2014-01-03 17:08:10 +00:00
parent 819e5d50dd
commit 7dd009d865
3 changed files with 1759 additions and 1744 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2014-01-03 Joseph Myers <joseph@codesourcery.com>
* math/auto-libm-test-in: Mark various tests with
xfail-rounding:ldbl-128ibm.
* math/auto-libm-test-out: Regenerated.
2014-01-02 Joseph Myers <joseph@codesourcery.com>
[BZ #16386]

61
math/auto-libm-test-in
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@ -503,8 +503,9 @@ cosh 0x1p-5
cosh 0x1p-20
cosh -1
cosh 50
cosh max no-test-inline
cosh -max no-test-inline
# GCC bug 59666: results on directed rounding may be incorrect.
cosh max no-test-inline xfail-rounding:ldbl-128ibm
cosh -max no-test-inline xfail-rounding:ldbl-128ibm
# Bug 16354: spurious underflow may occur.
cosh min spurious-underflow
cosh -min spurious-underflow
@ -515,22 +516,23 @@ cosh 0x5.96a7ep+4
cosh 0x5.96a7e8p+4
cosh -0x5.96a7ep+4
cosh -0x5.96a7e8p+4
cosh 0x2.c679d1f73f0fap+8
cosh 0x2.c679d1f73f0fcp+8
cosh -0x2.c679d1f73f0fap+8
cosh -0x2.c679d1f73f0fcp+8
cosh 0x2.c679d1f73f0fb624d358b213a7p+8
cosh 0x2.c679d1f73f0fb624d358b213a8p+8
cosh -0x2.c679d1f73f0fb624d358b213a7p+8
cosh -0x2.c679d1f73f0fb624d358b213a8p+8
cosh 0x2.c5d37700c6bb03a4p+12 no-test-inline
cosh 0x2.c5d37700c6bb03a8p+12 no-test-inline
cosh -0x2.c5d37700c6bb03a4p+12 no-test-inline
cosh -0x2.c5d37700c6bb03a8p+12 no-test-inline
cosh 0x2.c5d37700c6bb03a6c24b6c9b494cp+12 no-test-inline
cosh 0x2.c5d37700c6bb03a6c24b6c9b494ep+12 no-test-inline
cosh -0x2.c5d37700c6bb03a6c24b6c9b494cp+12 no-test-inline
cosh -0x2.c5d37700c6bb03a6c24b6c9b494ep+12 no-test-inline
# GCC bug 59666: results on directed rounding may be incorrect.
cosh 0x2.c679d1f73f0fap+8 xfail-rounding:ldbl-128ibm
cosh 0x2.c679d1f73f0fcp+8 xfail-rounding:ldbl-128ibm
cosh -0x2.c679d1f73f0fap+8 xfail-rounding:ldbl-128ibm
cosh -0x2.c679d1f73f0fcp+8 xfail-rounding:ldbl-128ibm
cosh 0x2.c679d1f73f0fb624d358b213a7p+8 xfail-rounding:ldbl-128ibm
cosh 0x2.c679d1f73f0fb624d358b213a8p+8 xfail-rounding:ldbl-128ibm
cosh -0x2.c679d1f73f0fb624d358b213a7p+8 xfail-rounding:ldbl-128ibm
cosh -0x2.c679d1f73f0fb624d358b213a8p+8 xfail-rounding:ldbl-128ibm
cosh 0x2.c5d37700c6bb03a4p+12 no-test-inline xfail-rounding:ldbl-128ibm
cosh 0x2.c5d37700c6bb03a8p+12 no-test-inline xfail-rounding:ldbl-128ibm
cosh -0x2.c5d37700c6bb03a4p+12 no-test-inline xfail-rounding:ldbl-128ibm
cosh -0x2.c5d37700c6bb03a8p+12 no-test-inline xfail-rounding:ldbl-128ibm
cosh 0x2.c5d37700c6bb03a6c24b6c9b494cp+12 no-test-inline xfail-rounding:ldbl-128ibm
cosh 0x2.c5d37700c6bb03a6c24b6c9b494ep+12 no-test-inline xfail-rounding:ldbl-128ibm
cosh -0x2.c5d37700c6bb03a6c24b6c9b494cp+12 no-test-inline xfail-rounding:ldbl-128ibm
cosh -0x2.c5d37700c6bb03a6c24b6c9b494ep+12 no-test-inline xfail-rounding:ldbl-128ibm
cpow 1 0 0 0
cpow 2 0 10 0
@ -727,21 +729,26 @@ exp10 -36
exp10 305
exp10 -305
# Bug 16284: results on directed rounding may be incorrect.
exp10 4932 xfail-rounding:flt-32
# GCC bug 59666: results on directed rounding may be incorrect.
exp10 4932 xfail-rounding:flt-32 xfail-rounding:ldbl-128ibm
# Bug 16361: underflow exception may be misssing
exp10 -4932 missing-underflow:ldbl-96-intel:x86 missing-underflow:ldbl-96-intel:x86_64
# Bug 16284: results on directed rounding may be incorrect.
exp10 1e5 xfail-rounding:flt-32
# GCC bug 59666: results on directed rounding may be incorrect.
exp10 1e5 xfail-rounding:flt-32 xfail-rounding:ldbl-128ibm
exp10 -1e5
# Bug 16284: results on directed rounding may be incorrect.
exp10 1e6 xfail-rounding:flt-32
# GCC bug 59666: results on directed rounding may be incorrect.
exp10 1e6 xfail-rounding:flt-32 xfail-rounding:ldbl-128ibm
exp10 -1e6
# Bug 16284: results on directed rounding may be incorrect.
exp10 max xfail-rounding:flt-32
# GCC bug 59666: results on directed rounding may be incorrect.
exp10 max xfail-rounding:flt-32 xfail-rounding:ldbl-128ibm
exp10 -max
exp10 0.75
# Bug 16284: results on directed rounding may be incorrect.
exp10 0x1.348e45573a1dd72cp+8 xfail-rounding:flt-32 xfail-rounding:dbl-64
# GCC bug 59666: results on directed rounding may be incorrect.
exp10 0x1.348e45573a1dd72cp+8 xfail-rounding:flt-32 xfail-rounding:dbl-64 xfail-rounding:ldbl-128ibm
exp2 0
exp2 -0
@ -768,7 +775,8 @@ expm1 0.75
expm1 50.0
expm1 127.0
expm1 500.0
expm1 11356.25
# GCC bug 59666: results on directed rounding may be incorrect.
expm1 11356.25 xfail-rounding:ldbl-128ibm
expm1 -10.0
expm1 -16.0
expm1 -17.0
@ -789,8 +797,9 @@ expm1 -100.0
expm1 -1000.0
expm1 -10000.0
expm1 -100000.0
expm1 100000.0
expm1 max
# GCC bug 59666: results on directed rounding may be incorrect.
expm1 100000.0 xfail-rounding:ldbl-128ibm
expm1 max xfail-rounding:ldbl-128ibm
expm1 -max
expm1 0x1p-2
expm1 -0x1p-2

3436
math/auto-libm-test-out
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