Thumb unconditional branch binary encoding. rdar://8754994
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121496 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmBackend.cpp b/lib/Target/ARM/ARMAsmBackend.cpp
index de05472..536d282 100644
--- a/lib/Target/ARM/ARMAsmBackend.cpp
+++ b/lib/Target/ARM/ARMAsmBackend.cpp
@@ -200,6 +200,9 @@
uint32_t Binary = (Value - 4) >> 1;
return ((Binary & 0x20) << 9) | ((Binary & 0x1f) << 3);
}
+ case ARM::fixup_arm_thumb_br:
+ // Offset by 4 and don't encode the lower bit, which is always 0.
+ return ((Value - 4) >> 1) & 0x7ff;
case ARM::fixup_arm_thumb_bcc:
// Offset by 4 and don't encode the lower bit, which is always 0.
return ((Value - 4) >> 1) & 0xff;
@@ -317,6 +320,7 @@
case ARM::fixup_arm_thumb_cp:
return 1;
+ case ARM::fixup_arm_thumb_br:
case ARM::fixup_arm_thumb_cb:
return 2;