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Use soft-fp fma for MicroBlaze (bug 13304).

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Systems without floating-point exceptions and rounding modes should
use the soft-fp versions of fmaf and fma, not the sysdeps/ieee754
versions that rely on setting rounding to zero and testing for the
"inexact" exception; this has been noted on
<https://sourceware.org/glibc/wiki/PortStatus> for some time.  This
patch makes MicroBlaze use the soft-fp files; sfp-machine.h is made to
include the nios2 version of sfp-machine.h which seems sufficiently
generic for 32-bit systems.

	[BZ #13304]
	* sysdeps/microblaze/s_fma.c: New file.
	* sysdeps/microblaze/s_fmaf.c: Likewise.
	* sysdeps/microblaze/sfp-machine.h: Likewise.
This commit is contained in:
Joseph Myers 2015-09-25 17:29:19 +00:00
parent 93bad7c97c
commit 02c48b21b5
4 changed files with 10 additions and 0 deletions
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ChangeLog
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2015-09-25 Joseph Myers <joseph@codesourcery.com>
[BZ #13304]
* sysdeps/microblaze/s_fma.c: New file.
* sysdeps/microblaze/s_fmaf.c: Likewise.
* sysdeps/microblaze/sfp-machine.h: Likewise.
2015-09-25 Maciej W. Rozycki <macro@imgtec.com> 2015-09-25 Maciej W. Rozycki <macro@imgtec.com>
[BZ #17250] [BZ #17250]

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sysdeps/microblaze/s_fma.c Normal file
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#include <soft-fp/fmadf4.c>

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sysdeps/microblaze/s_fmaf.c Normal file
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#include <soft-fp/fmasf4.c>

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sysdeps/microblaze/sfp-machine.h Normal file
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#include <sysdeps/nios2/sfp-machine.h>