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-rw-r--r--compiler-rt/lib/builtins/fixdfdi.c41
1 files changed, 9 insertions, 32 deletions
diff --git a/compiler-rt/lib/builtins/fixdfdi.c b/compiler-rt/lib/builtins/fixdfdi.c
index 86f9f6ce8db..67b124a16bb 100644
--- a/compiler-rt/lib/builtins/fixdfdi.c
+++ b/compiler-rt/lib/builtins/fixdfdi.c
@@ -6,40 +6,17 @@
* Source Licenses. See LICENSE.TXT for details.
*
* ===----------------------------------------------------------------------===
- *
- * This file implements __fixdfdi for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
*/
-#include "int_lib.h"
-
-/* Returns: convert a to a signed long long, rounding toward zero. */
-
-/* Assumption: double is a IEEE 64 bit floating point type
- * su_int is a 32 bit integral type
- * value in double is representable in di_int (no range checking performed)
- */
-
-/* seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm */
-
+#define DOUBLE_PRECISION
+#include "fp_lib.h"
ARM_EABI_FNALIAS(d2lz, fixdfdi)
+typedef di_int fixint_t;
+typedef du_int fixuint_t;
+#include "fp_fixint_impl.inc"
+
COMPILER_RT_ABI di_int
-__fixdfdi(double a)
-{
- double_bits fb;
- fb.f = a;
- int e = ((fb.u.s.high & 0x7FF00000) >> 20) - 1023;
- if (e < 0)
- return 0;
- di_int s = (si_int)(fb.u.s.high & 0x80000000) >> 31;
- dwords r;
- r.s.high = (fb.u.s.high & 0x000FFFFF) | 0x00100000;
- r.s.low = fb.u.s.low;
- if (e > 52)
- r.all <<= (e - 52);
- else
- r.all >>= (52 - e);
- return (r.all ^ s) - s;
-}
+__fixdfdi(fp_t a) {
+ return __fixint(a);
+}
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