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target/s390x: fix NaN propagation rules

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s390x has the same NaN propagation rules as ARM, and not as x86.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20220713182612.3780050-3-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Ilya Leoshkevich 2022-07-13 20:26:11 +02:00 committed by Thomas Huth
parent 13c59eb09b
commit 63dd7bcbea
1 changed files with 2 additions and 1 deletions
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3
fpu/softfloat-specialize.c.inc
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@ -390,7 +390,8 @@ bool float32_is_signaling_nan(float32 a_, float_status *status)
static int pickNaN(FloatClass a_cls, FloatClass b_cls,
bool aIsLargerSignificand, float_status *status)
{
#if defined(TARGET_ARM) || defined(TARGET_MIPS) || defined(TARGET_HPPA)
#if defined(TARGET_ARM) || defined(TARGET_MIPS) || defined(TARGET_HPPA) || \
defined(TARGET_S390X)
/* ARM mandated NaN propagation rules (see FPProcessNaNs()), take
* the first of:
* 1. A if it is signaling