1 files changed, 5 insertions, 46 deletions
diff --git a/compiler-rt/lib/builtins/floatdisf.c b/compiler-rt/lib/builtins/floatdisf.c
index 0b62ed8689bc..0bb88c5c518e 100644
--- a/compiler-rt/lib/builtins/floatdisf.c
+++ b/compiler-rt/lib/builtins/floatdisf.c
@@ -19,52 +19,11 @@
 
 #include "int_lib.h"
 
-COMPILER_RT_ABI float __floatdisf(di_int a) {
-  if (a == 0)
-    return 0.0F;
-  const unsigned N = sizeof(di_int) * CHAR_BIT;
-  const di_int s = a >> (N - 1);
-  a = (du_int)(a ^ s) - s;
-  int sd = N - __builtin_clzll(a); // number of significant digits
-  si_int e = sd - 1;               // exponent
-  if (sd > FLT_MANT_DIG) {
-    //  start:  0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx
-    //  finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR
-    //                                                12345678901234567890123456
-    //  1 = msb 1 bit
-    //  P = bit FLT_MANT_DIG-1 bits to the right of 1
-    //  Q = bit FLT_MANT_DIG bits to the right of 1
-    //  R = "or" of all bits to the right of Q
-    switch (sd) {
-    case FLT_MANT_DIG + 1:
-      a <<= 1;
-      break;
-    case FLT_MANT_DIG + 2:
-      break;
-    default:
-      a = ((du_int)a >> (sd - (FLT_MANT_DIG + 2))) |
-          ((a & ((du_int)(-1) >> ((N + FLT_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 FLT_MANT_DIG or FLT_MANT_DIG+1 bits
-    if (a & ((du_int)1 << FLT_MANT_DIG)) {
-      a >>= 1;
-      ++e;
-    }
-    // a is now rounded to FLT_MANT_DIG bits
-  } else {
-    a <<= (FLT_MANT_DIG - sd);
-    // a is now rounded to FLT_MANT_DIG bits
-  }
-  float_bits fb;
-  fb.u = ((su_int)s & 0x80000000) | // sign
-         ((e + 127) << 23) |        // exponent
-         ((su_int)a & 0x007FFFFF);  // mantissa
-  return fb.f;
-}
+#define SRC_I64
+#define DST_SINGLE
+#include "int_to_fp_impl.inc"
+
+COMPILER_RT_ABI float __floatdisf(di_int a) { return __floatXiYf__(a); }
 
 #if defined(__ARM_EABI__)
 #if defined(COMPILER_RT_ARMHF_TARGET)