Refactor to remove un-named struct gnu extension usage. Now ISO C89 and C99 compliant. Comment trailing endifs
llvm-svn: 78537
diff --git a/compiler-rt/lib/ppc/floatditf.c b/compiler-rt/lib/ppc/floatditf.c
index 081dc8c..ed23dc8 100644
--- a/compiler-rt/lib/ppc/floatditf.c
+++ b/compiler-rt/lib/ppc/floatditf.c
@@ -1,8 +1,9 @@
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+/* This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ */
-// long double __floatditf(long long x);
-// This file implements the PowerPC long long -> long double conversion
+/* long double __floatditf(long long x); */
+/* This file implements the PowerPC long long -> long double conversion */
#include "DD.h"
#include <stdint.h>
@@ -13,21 +14,23 @@
static const double twop52 = 0x1.0p52;
doublebits low = { .d = twop52 };
- low.x |= a & UINT64_C(0x00000000ffffffff); // 0x1.0p52 + low 32 bits of a.
+ low.x |= a & UINT64_C(0x00000000ffffffff); /* 0x1.0p52 + low 32 bits of a. */
const double high_addend = (double)((int32_t)(a >> 32))*twop32 - twop52;
- // At this point, we have two double precision numbers
- // high_addend and low.d, and we wish to return their sum
- // as a canonicalized long double:
-
- // This implementation sets the inexact flag spuriously.
- // This could be avoided, but at some substantial cost.
-
+ /* At this point, we have two double precision numbers
+ * high_addend and low.d, and we wish to return their sum
+ * as a canonicalized long double:
+ */
+
+ /* This implementation sets the inexact flag spuriously.
+ * This could be avoided, but at some substantial cost.
+ */
+
DD result;
- result.hi = high_addend + low.d;
- result.lo = (high_addend - result.hi) + low.d;
+ result.s.hi = high_addend + low.d;
+ result.s.lo = (high_addend - result.s.hi) + low.d;
return result.ld;