1 files changed, 57 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/arm/aeabi_uidivmod.S b/contrib/llvm-project/compiler-rt/lib/builtins/arm/aeabi_uidivmod.S
new file mode 100644
index 000000000000..df030769fd40
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/builtins/arm/aeabi_uidivmod.S
@@ -0,0 +1,57 @@
+//===-- aeabi_uidivmod.S - EABI uidivmod implementation -------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "../assembly.h"
+
+// struct { unsigned quot, unsigned rem}
+//        __aeabi_uidivmod(unsigned numerator, unsigned denominator) {
+//   unsigned rem, quot;
+//   quot = __udivmodsi4(numerator, denominator, &rem);
+//   return {quot, rem};
+// }
+
+#if defined(__MINGW32__)
+#define __aeabi_uidivmod __rt_udiv
+#endif
+
+        .syntax unified
+        .text
+        DEFINE_CODE_STATE
+        .p2align 2
+DEFINE_COMPILERRT_FUNCTION(__aeabi_uidivmod)
+#if defined(USE_THUMB_1)
+        cmp     r0, r1
+        bcc     LOCAL_LABEL(case_denom_larger)
+        push    {r0, r1, lr}
+        bl      SYMBOL_NAME(__aeabi_uidiv)
+        pop     {r1, r2, r3}
+        muls    r2, r0, r2 // r2 = quot * denom
+        subs    r1, r1, r2
+        JMP     (r3)
+LOCAL_LABEL(case_denom_larger):
+        movs    r1, r0
+        movs    r0, #0
+        JMP     (lr)
+#else // defined(USE_THUMB_1)
+        push    { lr }
+        sub     sp, sp, #4
+        mov     r2, sp
+#if defined(__MINGW32__)
+        mov     r3, r0
+        mov     r0, r1
+        mov     r1, r3
+#endif
+        bl      SYMBOL_NAME(__udivmodsi4)
+        ldr     r1, [sp]
+        add     sp, sp, #4
+        pop     { pc }
+#endif
+END_COMPILERRT_FUNCTION(__aeabi_uidivmod)
+
+NO_EXEC_STACK_DIRECTIVE
+