From bad673a9cb51c25370660c88887d0ad3b34b007b Mon Sep 17 00:00:00 2001
From: Chris Demetriou <cgd@google.com>
Date: Mon, 3 Jun 2002 22:05:15 +0000
Subject: 2002-06-03  Chris Demetriou  <cgd@broadcom.com>

	* cp1.c: Clean up comments which describe FP formats.
	 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
---
 sim/mips/cp1.c | 49 +++++++++++++++++++++++++------------------------
 1 file changed, 25 insertions(+), 24 deletions(-)

(limited to 'sim/mips/cp1.c')

diff --git a/sim/mips/cp1.c b/sim/mips/cp1.c
index 063c241..3b1cac2 100644
--- a/sim/mips/cp1.c
+++ b/sim/mips/cp1.c
@@ -26,35 +26,36 @@
 /*-- FPU support routines ---------------------------------------------------*/
 
 /* Numbers are held in normalized form. The SINGLE and DOUBLE binary
-   formats conform to ANSI/IEEE Std 754-1985.  */
-/* SINGLE precision floating:
- *    seeeeeeeefffffffffffffffffffffff
- *      s =  1bit  = sign
- *      e =  8bits = exponent
- *      f = 23bits = fraction
- */
-/* SINGLE precision fixed:
- *    siiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
- *      s =  1bit  = sign
- *      i = 31bits = integer
- */
-/* DOUBLE precision floating:
- *    seeeeeeeeeeeffffffffffffffffffffffffffffffffffffffffffffffffffff
- *      s =  1bit  = sign
- *      e = 11bits = exponent
- *      f = 52bits = fraction
- */
-/* DOUBLE precision fixed:
- *    siiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
- *      s =  1bit  = sign
- *      i = 63bits = integer
+   formats conform to ANSI/IEEE Std 754-1985.
+
+   SINGLE precision floating:
+      seeeeeeeefffffffffffffffffffffff
+        s =  1bit  = sign
+        e =  8bits = exponent
+        f = 23bits = fraction
+
+   SINGLE precision fixed:
+      siiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
+        s =  1bit  = sign
+        i = 31bits = integer
+
+   DOUBLE precision floating:
+      seeeeeeeeeeeffffffffffffffffffffffffffffffffffffffffffffffffffff
+        s =  1bit  = sign
+        e = 11bits = exponent
+        f = 52bits = fraction
+
+   DOUBLE precision fixed:
+      siiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
+        s =  1bit  = sign
+        i = 63bits = integer
  */
 
 /* Explicit QNaN values used when value required:  */
 #define FPQNaN_SINGLE   (0x7FBFFFFF)
 #define FPQNaN_WORD     (0x7FFFFFFF)
-#define FPQNaN_DOUBLE   ((((uword64) 0x7FF7FFFF) << 32) | 0xFFFFFFFF)
-#define FPQNaN_LONG     ((((uword64) 0x7FFFFFFF) << 32) | 0xFFFFFFFF)
+#define FPQNaN_DOUBLE   (UNSIGNED64 (0x7FF7FFFFFFFFFFFF))
+#define FPQNaN_LONG     (UNSIGNED64 (0x7FFFFFFFFFFFFFFF))
 
 static const char *fpu_format_name (FP_formats fmt);
 #ifdef DEBUG
-- 
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