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authorpatrick <patrick@openbsd.org>2020-08-10 21:03:40 +0000
committerpatrick <patrick@openbsd.org>2020-08-10 21:03:40 +0000
commit3cab2bb3f667058bece8e38b12449a63a9d73c4b (patch)
tree732ebd68e507f798225d97f4f2dd7ff8468d3e17 /gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c
parentReduce log spam. (diff)
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Import compiler-rt 10.0.1 release.
ok kettenis@
Diffstat (limited to 'gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c')
-rw-r--r--gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c b/gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c
new file mode 100644
index 00000000000..0f2edde8358
--- /dev/null
+++ b/gnu/llvm/compiler-rt/lib/builtins/ucmpdi2.c
@@ -0,0 +1,42 @@
+//===-- ucmpdi2.c - Implement __ucmpdi2 -----------------------------------===//
+//
+// 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 __ucmpdi2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+
+// Returns: if (a < b) returns 0
+// if (a == b) returns 1
+// if (a > b) returns 2
+
+COMPILER_RT_ABI si_int __ucmpdi2(du_int a, du_int b) {
+ udwords x;
+ x.all = a;
+ udwords y;
+ y.all = b;
+ if (x.s.high < y.s.high)
+ return 0;
+ if (x.s.high > y.s.high)
+ return 2;
+ if (x.s.low < y.s.low)
+ return 0;
+ if (x.s.low > y.s.low)
+ return 2;
+ return 1;
+}
+
+#ifdef __ARM_EABI__
+// Returns: if (a < b) returns -1
+// if (a == b) returns 0
+// if (a > b) returns 1
+COMPILER_RT_ABI si_int __aeabi_ulcmp(di_int a, di_int b) {
+ return __ucmpdi2(a, b) - 1;
+}
+#endif