[PATCH] Restore signalling NaN behaviour for abs.[sd]

[Chris Dearman <chris@mips.com>]

Atsushi Nemoto <anemo@mba.ocn.ne.jp> spotted that this had been
incorrectly removed in a previous patch

Signed-off-by: Chris Dearman <chris@mips.com>
---

 arch/mips/math-emu/dp_simple.c |    1 +
 arch/mips/math-emu/sp_simple.c |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/mips/math-emu/dp_simple.c b/arch/mips/math-emu/dp_simple.c
index d9ae1db..b909742 100644
--- a/arch/mips/math-emu/dp_simple.c
+++ b/arch/mips/math-emu/dp_simple.c
@@ -78,6 +78,7 @@ ieee754dp ieee754dp_abs(ieee754dp x)
 	DPSIGN(x) = 0;
 
 	if (xc == IEEE754_CLASS_SNAN) {
+		SETCX(IEEE754_INVALID_OPERATION);
 		return ieee754dp_nanxcpt(ieee754dp_indef(), "abs");
 	}
 
diff --git a/arch/mips/math-emu/sp_simple.c b/arch/mips/math-emu/sp_simple.c
index 3175477..2fd53c9 100644
--- a/arch/mips/math-emu/sp_simple.c
+++ b/arch/mips/math-emu/sp_simple.c
@@ -78,6 +78,7 @@ ieee754sp ieee754sp_abs(ieee754sp x)
 	SPSIGN(x) = 0;
 
 	if (xc == IEEE754_CLASS_SNAN) {
+		SETCX(IEEE754_INVALID_OPERATION);
 		return ieee754sp_nanxcpt(ieee754sp_indef(), "abs");
 	}