2014-02-28 Joey Ye <joey.ye@arm.com>

[pf3gnuchains/gcc-fork.git] / libgcc / config / arm / sfp-machine.h

diff --git a/libgcc/config/arm/sfp-machine.h b/libgcc/config/arm/sfp-machine.h
index a89d05a..8591ab4 100644 (file)
--- a/libgcc/config/arm/sfp-machine.h
+++ b/libgcc/config/arm/sfp-machine.h
@@ -19,10 +19,12 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
 #define _FP_DIV_MEAT_D(R,X,Y)  _FP_DIV_MEAT_2_udiv(D,R,X,Y)
 #define _FP_DIV_MEAT_Q(R,X,Y)  _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
 
 #define _FP_DIV_MEAT_D(R,X,Y)  _FP_DIV_MEAT_2_udiv(D,R,X,Y)
 #define _FP_DIV_MEAT_Q(R,X,Y)  _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
 

-#define _FP_NANFRAC_H          ((_FP_QNANBIT_H << 1) - 1)
-#define _FP_NANFRAC_S          ((_FP_QNANBIT_S << 1) - 1)
-#define _FP_NANFRAC_D          ((_FP_QNANBIT_D << 1) - 1), -1
-#define _FP_NANFRAC_Q          ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
+/* According to RTABI, QNAN is only with the most significant bit of the
+   significand set, and all other significand bits zero.  */
+#define _FP_NANFRAC_H          0
+#define _FP_NANFRAC_S          0
+#define _FP_NANFRAC_D          0, 0
+#define _FP_NANFRAC_Q          0, 0, 0, 0

 #define _FP_NANSIGN_H          0
 #define _FP_NANSIGN_S          0
 #define _FP_NANSIGN_D          0
 #define _FP_NANSIGN_H          0
 #define _FP_NANSIGN_S          0
 #define _FP_NANSIGN_D          0