Remove fixup_arm_thumb_ldst. The code was never calling the "fixup" stuff for

it. I.e., it was always an immediate value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121932 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 1 insertions, 18 deletions

diff --git a/lib/Target/ARM/ARMAsmBackend.cpp b/lib/Target/ARM/ARMAsmBackend.cpp
index 67f2c71..e4acd66 100644
--- a/lib/Target/ARM/ARMAsmBackend.cpp
+++ b/lib/Target/ARM/ARMAsmBackend.cpp
@@ -237,9 +237,6 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) {
     // '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;
@@ -368,7 +365,6 @@ static unsigned getFixupKindNumBytes(unsigned Kind) {
 
   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:
diff --git a/lib/Target/ARM/ARMFixupKinds.h b/lib/Target/ARM/ARMFixupKinds.h
index f168373..3e0bd0e 100644
--- a/lib/Target/ARM/ARMFixupKinds.h
+++ b/lib/Target/ARM/ARMFixupKinds.h
@@ -65,9 +65,6 @@ enum Fixups {
   // fixup_arm_thumb_cp - Fixup for Thumb load/store from constant pool instrs.
   fixup_arm_thumb_cp,
 
-  // fixup_arm_thumb_ldst - Fixup for Thumb load/store instrs.
-  fixup_arm_thumb_ldst,
-
   // fixup_arm_thumb_bcc - Fixup for Thumb conditional branching instructions.
   fixup_arm_thumb_bcc,
 
diff --git a/lib/Target/ARM/ARMMCCodeEmitter.cpp b/lib/Target/ARM/ARMMCCodeEmitter.cpp
index 8a779ce..2f210c3 100644
--- a/lib/Target/ARM/ARMMCCodeEmitter.cpp
+++ b/lib/Target/ARM/ARMMCCodeEmitter.cpp
@@ -68,7 +68,6 @@ public:
 { "fixup_arm_thumb_blx",     7,            21,  MCFixupKindInfo::FKF_IsPCRel },
 { "fixup_arm_thumb_cb",      0,            16,  MCFixupKindInfo::FKF_IsPCRel },
 { "fixup_arm_thumb_cp",      1,             8,  MCFixupKindInfo::FKF_IsPCRel },
-{ "fixup_arm_thumb_ldst",    1,             8,  MCFixupKindInfo::FKF_IsPCRel },
 { "fixup_arm_thumb_bcc",     1,             8,  MCFixupKindInfo::FKF_IsPCRel },
 { "fixup_arm_movt_hi16",     0,            16,  0 },
 { "fixup_arm_movw_lo16",     0,            16,  0 },
@@ -824,16 +823,7 @@ getAddrModeISOpValue(const MCInst &MI, unsigned OpIdx,
   const MCOperand &MO = MI.getOperand(OpIdx);
   const MCOperand &MO1 = MI.getOperand(OpIdx + 1);
   unsigned Rn = getARMRegisterNumbering(MO.getReg());
-  unsigned Imm5 = 0;
-
-  if (MO1.isExpr()) {
-    const MCExpr *Expr = MO.getExpr();
-    MCFixupKind Kind = MCFixupKind(ARM::fixup_arm_thumb_ldst);
-    Fixups.push_back(MCFixup::Create(0, Expr, Kind));
-  } else {
-    Imm5 = MO1.getImm();
-  }
-
+  unsigned Imm5 = Imm5 = MO1.getImm();
   return ((Imm5 & 0x1f) << 3) | Rn;
 }