1 files changed, 45 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/ppc/DD.h b/compiler-rt/lib/builtins/ppc/DD.h
new file mode 100644
index 000000000000..8f31a962fc77
--- /dev/null
+++ b/compiler-rt/lib/builtins/ppc/DD.h
@@ -0,0 +1,45 @@
+#ifndef COMPILERRT_DD_HEADER
+#define COMPILERRT_DD_HEADER
+
+#include "../int_lib.h"
+
+typedef union {
+  long double ld;
+  struct {
+    double hi;
+    double lo;
+  } s;
+} DD;
+
+typedef union {
+  double d;
+  uint64_t x;
+} doublebits;
+
+#define LOWORDER(xy, xHi, xLo, yHi, yLo)                                       \
+  (((((xHi) * (yHi) - (xy)) + (xHi) * (yLo)) + (xLo) * (yHi)) + (xLo) * (yLo))
+
+static __inline ALWAYS_INLINE double local_fabs(double x) {
+  doublebits result = {.d = x};
+  result.x &= UINT64_C(0x7fffffffffffffff);
+  return result.d;
+}
+
+static __inline ALWAYS_INLINE double high26bits(double x) {
+  doublebits result = {.d = x};
+  result.x &= UINT64_C(0xfffffffff8000000);
+  return result.d;
+}
+
+static __inline ALWAYS_INLINE int different_sign(double x, double y) {
+  doublebits xsignbit = {.d = x}, ysignbit = {.d = y};
+  int result = (int)(xsignbit.x >> 63) ^ (int)(ysignbit.x >> 63);
+  return result;
+}
+
+long double __gcc_qadd(long double, long double);
+long double __gcc_qsub(long double, long double);
+long double __gcc_qmul(long double, long double);
+long double __gcc_qdiv(long double, long double);
+
+#endif // COMPILERRT_DD_HEADER