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[v2,2/3] target/s390x: fix NaN propagation rules

Message ID 20220713182612.3780050-3-iii@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series target/s390x: vfmin/vfmax fixes | expand

Commit Message

Ilya Leoshkevich July 13, 2022, 6:26 p.m. UTC 
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>
---
 fpu/softfloat-specialize.c.inc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index 943e3301d2..a43ff5e02e 100644
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -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