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MIPS: soft-fp NaN representation corrections

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[BZ #15442] This adds support for the inverse interpretation of the
quiet bit of IEEE 754 floating-point NaN data that some processors
use.  This includes in particular MIPS architecture processors; the
payload used for the canonical qNaN encoding is updated accordingly
so as not to interfere with the quiet bit.
This commit is contained in:
Maciej W. Rozycki
2013-05-16 23:33:55 +01:00
parent c58b274f01
commit 2848b10585
15 changed files with 124 additions and 18 deletions
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1
sysdeps/sparc/sparc32/soft-fp/sfp-machine.h
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@ -47,6 +47,7 @@
#define _FP_NANSIGN_Q 0
#define _FP_KEEPNANFRACP 1
#define _FP_QNANNEGATEDP 0
/* If one NaN is signaling and the other is not,
* we choose that one, otherwise we choose X.

1
sysdeps/sparc/sparc64/soft-fp/sfp-machine.h
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@ -60,6 +60,7 @@ do { \
#define _FP_NANSIGN_Q 0
#define _FP_KEEPNANFRACP 1
#define _FP_QNANNEGATEDP 0
/* If one NaN is signaling and the other is not,
* we choose that one, otherwise we choose Y.