feat(compiler-rt): update compiler-rt source files
Update the compiler-rt source files to the tip of the llvm-project [1].
To do this some new header files were pulled in from the freebsd-src
repo [2].
[1] https://github.com/llvm/llvm-project/commit/fae258e
[2] https://github.com/freebsd/freebsd-src/commit/243a0eda
Change-Id: I1a012b1fe04e127d35e208923877c98c5d999d00
Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>
diff --git a/lib/compiler-rt/builtins/divdi3.c b/lib/compiler-rt/builtins/divdi3.c
index b8eebcb..d71e138 100644
--- a/lib/compiler-rt/builtins/divdi3.c
+++ b/lib/compiler-rt/builtins/divdi3.c
@@ -1,29 +1,22 @@
-/* ===-- divdi3.c - Implement __divdi3 -------------------------------------===
- *
- * The LLVM Compiler Infrastructure
- *
- * This file is dual licensed under the MIT and the University of Illinois Open
- * Source Licenses. See LICENSE.TXT for details.
- *
- * ===----------------------------------------------------------------------===
- *
- * This file implements __divdi3 for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
+//===-- divdi3.c - Implement __divdi3 -------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements __divdi3 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
#include "int_lib.h"
-/* Returns: a / b */
+// Returns: a / b
+
+#define fixint_t di_int
+#define fixuint_t du_int
+#define COMPUTE_UDIV(a, b) __udivmoddi4((a), (b), (du_int *)0)
+#include "int_div_impl.inc"
-COMPILER_RT_ABI di_int
-__divdi3(di_int a, di_int b)
-{
- const int bits_in_dword_m1 = (int)(sizeof(di_int) * CHAR_BIT) - 1;
- di_int s_a = a >> bits_in_dword_m1; /* s_a = a < 0 ? -1 : 0 */
- di_int s_b = b >> bits_in_dword_m1; /* s_b = b < 0 ? -1 : 0 */
- a = (a ^ s_a) - s_a; /* negate if s_a == -1 */
- b = (b ^ s_b) - s_b; /* negate if s_b == -1 */
- s_a ^= s_b; /*sign of quotient */
- return (__udivmoddi4(a, b, (du_int*)0) ^ s_a) - s_a; /* negate if s_a == -1 */
-}
+COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b) { return __divXi3(a, b); }