summaryrefslogtreecommitdiff
path: root/lib/builtins/arm/aeabi_ldivmod.S
diff options
context:
space:
mode:
Diffstat (limited to 'lib/builtins/arm/aeabi_ldivmod.S')
-rw-r--r--lib/builtins/arm/aeabi_ldivmod.S31
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/builtins/arm/aeabi_ldivmod.S b/lib/builtins/arm/aeabi_ldivmod.S
new file mode 100644
index 000000000..684252571
--- /dev/null
+++ b/lib/builtins/arm/aeabi_ldivmod.S
@@ -0,0 +1,31 @@
+//===-- aeabi_ldivmod.S - EABI ldivmod implementation ---------------------===//
+//
+// 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.
+//
+//===----------------------------------------------------------------------===//
+
+#include "../assembly.h"
+
+// struct { int64_t quot, int64_t rem}
+// __aeabi_ldivmod(int64_t numerator, int64_t denominator) {
+// int64_t rem, quot;
+// quot = __divmoddi4(numerator, denominator, &rem);
+// return {quot, rem};
+// }
+
+ .syntax unified
+ .align 2
+DEFINE_COMPILERRT_FUNCTION(__aeabi_ldivmod)
+ push {r11, lr}
+ sub sp, sp, #16
+ add r12, sp, #8
+ str r12, [sp]
+ bl SYMBOL_NAME(__divmoddi4)
+ ldr r2, [sp, #8]
+ ldr r3, [sp, #12]
+ add sp, sp, #16
+ pop {r11, pc}
+END_COMPILERRT_FUNCTION(__aeabi_ldivmod)