From b7ea74f0747456c99421f14f963082b1dcb6c30d Mon Sep 17 00:00:00 2001
From: Joseph Myers <joseph@codesourcery.com>
Date: Sat, 12 Oct 2013 12:23:28 +0000
Subject: soft-fp: make __unord* raise "invalid" for signaling NaNs (bug
 16036).

---
 soft-fp/unorddf2.c | 5 +++++
 soft-fp/unordsf2.c | 5 +++++
 soft-fp/unordtf2.c | 5 +++++
 3 files changed, 15 insertions(+)

(limited to 'soft-fp')

diff --git a/soft-fp/unorddf2.c b/soft-fp/unorddf2.c
index 2e77f2d8ff..bc4efa30b0 100644
--- a/soft-fp/unorddf2.c
+++ b/soft-fp/unorddf2.c
@@ -32,12 +32,17 @@
 
 CMPtype __unorddf2(DFtype a, DFtype b)
 {
+  FP_DECL_EX;
   FP_DECL_D(A); FP_DECL_D(B);
   CMPtype r;
 
+  FP_INIT_EXCEPTIONS;
   FP_UNPACK_RAW_D(A, a);
   FP_UNPACK_RAW_D(B, b);
   FP_CMP_UNORD_D(r, A, B);
+  if (r && (FP_ISSIGNAN_D(A) || FP_ISSIGNAN_D(B)))
+    FP_SET_EXCEPTION(FP_EX_INVALID);
+  FP_HANDLE_EXCEPTIONS;
 
   return r;
 }
diff --git a/soft-fp/unordsf2.c b/soft-fp/unordsf2.c
index b5b5322c16..217975f000 100644
--- a/soft-fp/unordsf2.c
+++ b/soft-fp/unordsf2.c
@@ -32,13 +32,18 @@
 
 CMPtype __unordsf2(SFtype a, SFtype b)
 {
+  FP_DECL_EX;
   FP_DECL_S(A);
   FP_DECL_S(B);
   CMPtype r;
 
+  FP_INIT_EXCEPTIONS;
   FP_UNPACK_RAW_S(A, a);
   FP_UNPACK_RAW_S(B, b);
   FP_CMP_UNORD_S(r, A, B);
+  if (r && (FP_ISSIGNAN_S(A) || FP_ISSIGNAN_S(B)))
+    FP_SET_EXCEPTION(FP_EX_INVALID);
+  FP_HANDLE_EXCEPTIONS;
 
   return r;
 }
diff --git a/soft-fp/unordtf2.c b/soft-fp/unordtf2.c
index 1a85c252c1..3650cf461b 100644
--- a/soft-fp/unordtf2.c
+++ b/soft-fp/unordtf2.c
@@ -32,13 +32,18 @@
 
 CMPtype __unordtf2(TFtype a, TFtype b)
 {
+  FP_DECL_EX;
   FP_DECL_Q(A);
   FP_DECL_Q(B);
   CMPtype r;
 
+  FP_INIT_EXCEPTIONS;
   FP_UNPACK_RAW_Q(A, a);
   FP_UNPACK_RAW_Q(B, b);
   FP_CMP_UNORD_Q(r, A, B);
+  if (r && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
+    FP_SET_EXCEPTION(FP_EX_INVALID);
+  FP_HANDLE_EXCEPTIONS;
 
   return r;
 }
-- 
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