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-rw-r--r--contrib/llvm-project/compiler-rt/lib/builtins/fixunsdfdi.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/fixunsdfdi.c b/contrib/llvm-project/compiler-rt/lib/builtins/fixunsdfdi.c
new file mode 100644
index 000000000000..f15f86788e85
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/builtins/fixunsdfdi.c
@@ -0,0 +1,46 @@
+//===-- fixunsdfdi.c - Implement __fixunsdfdi -----------------------------===//
+//
+// 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 DOUBLE_PRECISION
+#include "fp_lib.h"
+
+#ifndef __SOFTFP__
+// Support for systems that have hardware floating-point; can set the invalid
+// flag as a side-effect of computation.
+
+COMPILER_RT_ABI du_int __fixunsdfdi(double a) {
+ if (a <= 0.0)
+ return 0;
+ su_int high = a / 4294967296.f; // a / 0x1p32f;
+ su_int low = a - (double)high * 4294967296.f; // high * 0x1p32f;
+ return ((du_int)high << 32) | low;
+}
+
+#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 du_int fixuint_t;
+#include "fp_fixuint_impl.inc"
+
+COMPILER_RT_ABI du_int __fixunsdfdi(fp_t a) { return __fixuint(a); }
+
+#endif
+
+#if defined(__ARM_EABI__)
+#if defined(COMPILER_RT_ARMHF_TARGET)
+AEABI_RTABI du_int __aeabi_d2ulz(fp_t a) { return __fixunsdfdi(a); }
+#else
+COMPILER_RT_ALIAS(__fixunsdfdi, __aeabi_d2ulz)
+#endif
+#endif
+
+#if defined(__MINGW32__) && defined(__arm__)
+COMPILER_RT_ALIAS(__fixunsdfdi, __dtou64)
+#endif