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powerpc: Fix incorrect results for pow when using FMA

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This patch adds no FMA generation for e_pow to avoid precision issues
for powerpc.  This fixes BZ#18104.
This commit is contained in:
Adhemerval Zanella 2015-03-10 09:38:54 -04:00
parent a2f8be9c83
commit d421868bb8
3 changed files with 7 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2015-03-10 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/ieee754/dbl-64/Makefile (CFLAGS-e_pow.c): Add
$(config-cflags-nofma).
2015-03-10 Joseph Myers <joseph@codesourcery.com> 2015-03-10 Joseph Myers <joseph@codesourcery.com>
* soft-fp/double.h [SOFT_FP_DOUBLE_H]: New multiple-include guard. * soft-fp/double.h [SOFT_FP_DOUBLE_H]: New multiple-include guard.

2
NEWS
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@ -13,7 +13,7 @@ Version 2.22
16560, 16783, 17269, 17523, 17569, 17588, 17631, 17711, 17776, 17779, 16560, 16783, 17269, 17523, 17569, 17588, 17631, 17711, 17776, 17779,
17792, 17836, 17912, 17916, 17932, 17944, 17949, 17964, 17965, 17967, 17792, 17836, 17912, 17916, 17932, 17944, 17949, 17964, 17965, 17967,
17969, 17978, 17987, 17991, 17996, 17998, 17999, 18019, 18020, 18029, 17969, 17978, 17987, 17991, 17996, 17998, 17999, 18019, 18020, 18029,
18030, 18032, 18036, 18038, 18039, 18042, 18043, 18046, 18047. 18030, 18032, 18036, 18038, 18039, 18042, 18043, 18046, 18047, 18104.
* Character encoding and ctype tables were updated to Unicode 7.0.0, using * Character encoding and ctype tables were updated to Unicode 7.0.0, using
new generator scripts contributed by Pravin Satpute and Mike FABIAN (Red new generator scripts contributed by Pravin Satpute and Mike FABIAN (Red

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sysdeps/ieee754/dbl-64/Makefile
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@ -2,4 +2,5 @@ ifeq ($(subdir),math)
# branred depends on precise IEEE double rounding # branred depends on precise IEEE double rounding
CFLAGS-branred.c = $(config-cflags-nofma) CFLAGS-branred.c = $(config-cflags-nofma)
CFLAGS-e_sqrt.c = $(config-cflags-nofma) CFLAGS-e_sqrt.c = $(config-cflags-nofma)
CFLAGS-e_pow.c = $(config-cflags-nofma)
endif endif