1 files changed, 44 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/fixsfdi.c b/compiler-rt/lib/builtins/fixsfdi.c
new file mode 100644
index 000000000000..615e93d4f8d9
--- /dev/null
+++ b/compiler-rt/lib/builtins/fixsfdi.c
@@ -0,0 +1,44 @@
+//===-- fixsfdi.c - Implement __fixsfdi -----------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#define SINGLE_PRECISION
+#include "fp_lib.h"
+
+#ifndef __SOFT_FP__
+// Support for systems that have hardware floating-point; can set the invalid
+// flag as a side-effect of computation.
+
+COMPILER_RT_ABI du_int __fixunssfdi(float a);
+
+COMPILER_RT_ABI di_int __fixsfdi(float a) {
+  if (a < 0.0f) {
+    return -__fixunssfdi(-a);
+  }
+  return __fixunssfdi(a);
+}
+
+#else
+// Support for systems that don't have hardware floating-point; there are no
+// flags to set, and we don't want to code-gen to an unknown soft-float
+// implementation.
+
+typedef di_int fixint_t;
+typedef du_int fixuint_t;
+#include "fp_fixint_impl.inc"
+
+COMPILER_RT_ABI di_int __fixsfdi(fp_t a) { return __fixint(a); }
+
+#endif
+
+#if defined(__ARM_EABI__)
+#if defined(COMPILER_RT_ARMHF_TARGET)
+AEABI_RTABI di_int __aeabi_f2lz(fp_t a) { return __fixsfdi(a); }
+#else
+COMPILER_RT_ALIAS(__fixsfdi, __aeabi_f2lz)
+#endif
+#endif