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Fix powerpc-nofpu fmaxmagl, fminmagl spurious "invalid" exception (bug 22691).

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For soft-float powerpc, fmaxmagl and fminmagl generate spurious
"invalid" exceptions for quiet NaN arguments.  This is another case of
the problems with fabsl inline expansion via comparisons, and so is
fixed by building those functions with -fno-builtin-fabsl.

Tested for powerpc (soft-float).

	[BZ #22691]
	* sysdeps/powerpc/nofpu/Makefile [$(subdir) = math]
	(CFLAGS-s_fmaxmagl.c): New variable.
	[$(subdir) = math] (CFLAGS-s_fminmagl.c: Likewise.
This commit is contained in:
Joseph Myers 2018-01-10 00:38:12 +00:00
parent 1272748886
commit 87faac5516
2 changed files with 7 additions and 0 deletions
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@ -1,5 +1,10 @@
2018-01-10 Joseph Myers <joseph@codesourcery.com>
[BZ #22691]
* sysdeps/powerpc/nofpu/Makefile [$(subdir) = math]
(CFLAGS-s_fmaxmagl.c): New variable.
[$(subdir) = math] (CFLAGS-s_fminmagl.c: Likewise.
[BZ #22690]
* sysdeps/ieee754/ldbl-128ibm/s_lrintl.c (__lrintl): Use unsigned
long int for arguments of possibly overflowing addition or

2
sysdeps/powerpc/nofpu/Makefile
View File

@ -47,4 +47,6 @@ CFLAGS-e_lgammal_r.c += -fno-builtin-fabsl
CFLAGS-e_log10l.c += -fno-builtin-fabsl
CFLAGS-e_log2l.c += -fno-builtin-fabsl
CFLAGS-e_remainderl.c += -fno-builtin-fabsl
CFLAGS-s_fmaxmagl.c += -fno-builtin-fabsl
CFLAGS-s_fminmagl.c += -fno-builtin-fabsl
endif