Changeset 88d5c1e in mainline for uspace/lib/softint/generic

Timestamp:

2012-04-07T17:55:10Z (13 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

41455a22

Parents:

8bcd727

Message:

softfloat redesign

• avoid hardwired type sizes, actual sizes are determined at compile-time
• add basic support for x87 extended-precision data types (stored as 96bit long double)
• a lot of coding style changes (removal of CamelCase, etc.)

File:

• uspace/lib/softint/generic/division.c (modified) (2 diffs)

uspace/lib/softint/generic/division.c

@@ -188 +188 @@
 }
 
+int __divmodsi3(int a, int b, int *c)
+{
+        unsigned int rem;
+        int result = (int) divandmod32(ABSVAL(a), ABSVAL(b), &rem);
+        
+        if (SGN(a) == SGN(b)) {
+                *c = rem;
+                return result;
+        }
+        
+        *c = -rem;
+        return -result;
+}
+
 unsigned int __udivmodsi3(unsigned int a, unsigned int b,
     unsigned int *c)
@@ -194 +208 @@
 }
 
+long long __divmoddi3(long long a, long long b, long long *c)
+{
+        unsigned long long rem;
+        long long result = (int) divandmod64(ABSVAL(a), ABSVAL(b), &rem);
+        
+        if (SGN(a) == SGN(b)) {
+                *c = rem;
+                return result;
+        }
+        
+        *c = -rem;
+        return -result;
+}
+
 unsigned long long __udivmoddi3(unsigned long long a, unsigned long long b,
     unsigned long long *c)