Fix a typo in __fpu_ftox() that caused long double to long (and long long)

conversion of negative numbers to always result in -1.
While at it, rearrange the nearby comment so it fits in 80 chars per line,
like the rest of this file does.

PR:		107130
MFC after:	1 day

1 files changed, 10 insertions, 9 deletions

diff --git a/lib/libc/sparc64/fpu/fpu_implode.c b/lib/libc/sparc64/fpu/fpu_implode.c
index 2c3475e..a5b3817 100644
--- a/lib/libc/sparc64/fpu/fpu_implode.c
+++ b/lib/libc/sparc64/fpu/fpu_implode.c
@@ -259,14 +259,15 @@ __fpu_ftox(fe, fp, res)
 
 	case FPC_NUM:
 		/*
-		 * If exp >= 2^64, overflow.  Otherwise shift value right
-		 * into last mantissa word (this will not exceed 0xffffffffffffffff),
-		 * shifting any guard and round bits out into the sticky
-		 * bit.  Then ``round'' towards zero, i.e., just set an
-		 * inexact exception if sticky is set (see round()).
-		 * If the result is > 0x8000000000000000, or is positive and equals
-		 * 0x8000000000000000, overflow; otherwise the last fraction word
-		 * is the result.
+		 * If exp >= 2^64, overflow.  Otherwise shift value
+		 * right into last mantissa word (this will not exceed
+		 * 0xffffffffffffffff), shifting any guard and round
+		 * bits out into the sticky bit.  Then ``round'' towards
+		 * zero, i.e., just set an inexact exception if sticky
+		 * is set (see round()).
+		 * If the result is > 0x8000000000000000, or is positive
+		 * and equals 0x8000000000000000, overflow; otherwise
+		 * the last fraction word is the result.
 		 */
 		if ((exp = fp->fp_exp) >= 64)
 			break;
@@ -277,7 +278,7 @@ __fpu_ftox(fe, fp, res)
 		if (i >= ((u_int64_t)0x8000000000000000LL + sign))
 			break;
 		if (sign)
-			i = -1;
+			i = -i;
 		res[1] = (int)i;
 		return (i >> 32);