Fixup C++ style comments are not allowed in ISO C90 to classic C style.
llvm-svn: 78152
diff --git a/compiler-rt/lib/floatuntixf.c b/compiler-rt/lib/floatuntixf.c
index a28db10..5a48cafe 100644
--- a/compiler-rt/lib/floatuntixf.c
+++ b/compiler-rt/lib/floatuntixf.c
@@ -1,28 +1,31 @@
-//===-- floatuntixf.c - Implement __floatuntixf ---------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements __floatuntixf for the compiler_rt library.
-//
-//===----------------------------------------------------------------------===//
+/* ===-- floatuntixf.c - Implement __floatuntixf ---------------------------===
+ *
+ * The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ * ===----------------------------------------------------------------------===
+ *
+ * This file implements __floatuntixf for the compiler_rt library.
+ *
+ * ===----------------------------------------------------------------------===
+ */
#if __x86_64
#include "int_lib.h"
#include <float.h>
-// Returns: convert a to a long double, rounding toward even.
+/* Returns: convert a to a long double, rounding toward even. */
-// Assumption: long double is a IEEE 80 bit floating point type padded to 128 bits
-// tu_int is a 128 bit integral type
+/* Assumption: long double is a IEEE 80 bit floating point type padded to 128 bits
+ * tu_int is a 128 bit integral type
+ */
-// gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee |
-// 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm
+/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee |
+ * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm
+ */
si_int __clzti2(ti_int a);
@@ -32,17 +35,18 @@
if (a == 0)
return 0.0;
const unsigned N = sizeof(tu_int) * CHAR_BIT;
- int sd = N - __clzti2(a); // number of significant digits
- int e = sd - 1; // exponent
+ int sd = N - __clzti2(a); /* number of significant digits */
+ int e = sd - 1; /* exponent */
if (sd > LDBL_MANT_DIG)
{
- // start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx
- // finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR
- // 12345678901234567890123456
- // 1 = msb 1 bit
- // P = bit LDBL_MANT_DIG-1 bits to the right of 1
- // Q = bit LDBL_MANT_DIG bits to the right of 1
- // R = "or" of all bits to the right of Q
+ /* start: 0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx
+ * finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR
+ * 12345678901234567890123456
+ * 1 = msb 1 bit
+ * P = bit LDBL_MANT_DIG-1 bits to the right of 1
+ * Q = bit LDBL_MANT_DIG bits to the right of 1
+ * R = "or" of all bits to the right of Q
+ */
switch (sd)
{
case LDBL_MANT_DIG + 1:
@@ -54,26 +58,26 @@
a = (a >> (sd - (LDBL_MANT_DIG+2))) |
((a & ((tu_int)(-1) >> ((N + LDBL_MANT_DIG+2) - sd))) != 0);
};
- // finish:
- a |= (a & 4) != 0; // Or P into R
- ++a; // round - this step may add a significant bit
- a >>= 2; // dump Q and R
- // a is now rounded to LDBL_MANT_DIG or LDBL_MANT_DIG+1 bits
+ /* finish: */
+ a |= (a & 4) != 0; /* Or P into R */
+ ++a; /* round - this step may add a significant bit */
+ a >>= 2; /* dump Q and R */
+ /* a is now rounded to LDBL_MANT_DIG or LDBL_MANT_DIG+1 bits */
if (a & ((tu_int)1 << LDBL_MANT_DIG))
{
a >>= 1;
++e;
}
- // a is now rounded to LDBL_MANT_DIG bits
+ /* a is now rounded to LDBL_MANT_DIG bits */
}
else
{
a <<= (LDBL_MANT_DIG - sd);
- // a is now rounded to LDBL_MANT_DIG bits
+ /* a is now rounded to LDBL_MANT_DIG bits */
}
long_double_bits fb;
- fb.u.high.low = (e + 16383); // exponent
- fb.u.low.all = (du_int)a; // mantissa
+ fb.u.high.low = (e + 16383); /* exponent */
+ fb.u.low.all = (du_int)a; /* mantissa */
return fb.f;
}