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-rw-r--r--sysdeps/powerpc/powerpc32/fpu/s_roundf.S8
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_roundf.S b/sysdeps/powerpc/powerpc32/fpu/s_roundf.S
index f63248138f..d1341c7149 100644
--- a/sysdeps/powerpc/powerpc32/fpu/s_roundf.S
+++ b/sysdeps/powerpc/powerpc32/fpu/s_roundf.S
@@ -56,7 +56,7 @@ ENTRY (__roundf )
 	mffs	fp11		/* Save current FPU rounding mode and
 				   "inexact" state.  */
 	fcmpu	cr6,fp1,fp12	/* if (x > 0.0)  */
-	bnllr-	cr7
+	bnl-	cr7,.L10
 	mtfsfi	7,1		/* Set rounding mode toward 0.  */
 #ifdef SHARED
 	lfs	fp10,.LC1-.LC0(r9)
@@ -83,6 +83,12 @@ ENTRY (__roundf )
 	mtfsf	0xff,fp11	/* Restore previous rounding mode and
 				   "inexact" state.  */
 	blr
+.L10:
+	/* Ensure sNaN input is converted to qNaN.  */
+	fcmpu	cr7,fp1,fp1
+	beqlr	cr7
+	fadds	fp1,fp1,fp1
+	blr
 	END (__roundf)
 
 weak_alias (__roundf, roundf)