Add fixups for Thumb LDR/STR instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121858 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmBackend.cpp b/lib/Target/ARM/ARMAsmBackend.cpp
index e4acd66..67f2c71 100644
--- a/lib/Target/ARM/ARMAsmBackend.cpp
+++ b/lib/Target/ARM/ARMAsmBackend.cpp
@@ -237,6 +237,9 @@
// 'off by 4' is implicitly handled by the half-word ordering of the
// Thumb encoding, so we only need to adjust by 2 here.
return ((Value - 2) >> 2) & 0xff;
+ case ARM::fixup_arm_thumb_ldst:
+ // Offset by 4.
+ return ((Value - 4) & 0x1f) << 6;
case ARM::fixup_arm_thumb_cb: {
// Offset by 4 and don't encode the lower bit, which is always 0.
uint32_t Binary = (Value - 4) >> 1;
@@ -365,6 +368,7 @@
case ARM::fixup_arm_thumb_br:
case ARM::fixup_arm_thumb_cb:
+ case ARM::fixup_arm_thumb_ldst:
return 2;
case ARM::fixup_arm_ldst_pcrel_12: