Re: [Qemu-devel] [PATCH v8 00/23] RISC-V QEMU Port Submission

["Richard W.M. Jones" <rjones@redhat.com>]

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The attached patch is also needed to avoid crashes during various
math-heavy test suites.

Rich.

-- 
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>From 8465cbda688cdc65dfe4037608c14cac087eae03 Mon Sep 17 00:00:00 2001
From: Stef O'Rear <sorear2@gmail.com>
Date: Sat, 3 Mar 2018 03:46:00 -0800
Subject: [PATCH] softfloat: fix crash on int conversion of SNaN

Signed-off-by: Stef O'Rear <sorear2@gmail.com>
---
 fpu/softfloat.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index e7fb0d357a..1da1db377e 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -1342,6 +1342,8 @@ static int64_t round_to_int_and_pack(FloatParts in, int rmode,
     switch (p.cls) {
     case float_class_snan:
     case float_class_qnan:
+    case float_class_dnan:
+    case float_class_msnan:
         return max;
     case float_class_inf:
         return p.sign ? min : max;
@@ -1430,6 +1432,8 @@ static uint64_t round_to_uint_and_pack(FloatParts in, int rmode, uint64_t max,
     switch (p.cls) {
     case float_class_snan:
     case float_class_qnan:
+    case float_class_dnan:
+    case float_class_msnan:
         s->float_exception_flags = orig_flags | float_flag_invalid;
         return max;
     case float_class_inf:
-- 
2.15.1