From: Owen Anderson <resistor@mac.com>
Date: Mon, 8 Aug 2011 23:25:22 +0000 (+0000)
Subject: Thumb1 BL instructions encoding 22 bits of displacement, not 21.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=648f9a75fdbba228e89389c34a2b3f1ceecd06be;p=oota-llvm.git

Thumb1 BL instructions encoding 22 bits of displacement, not 21.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137073 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index b71391d5c1a..8442e06503b 100644
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -94,6 +94,7 @@ def t_cbtarget : Operand<i32> {
 
 def t_bltarget : Operand<i32> {
   let EncoderMethod = "getThumbBLTargetOpValue";
+  let DecoderMethod = "DecodeThumbBLTargetOperand";
 }
 
 def t_blxtarget : Operand<i32> {
@@ -168,6 +169,7 @@ def t_addrmode_is1 : Operand<i32>,
 def t_addrmode_sp : Operand<i32>,
                     ComplexPattern<i32, 2, "SelectThumbAddrModeSP", []> {
   let EncoderMethod = "getAddrModeThumbSPOpValue";
+  let DecoderMethod = "DecodeThumbAddrModeSP";
   let PrintMethod = "printThumbAddrModeSPOperand";
   let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
 }
@@ -374,7 +376,8 @@ let isCall = 1,
                   "bl${p}\t$func",
                   [(ARMtcall tglobaladdr:$func)]>,
              Requires<[IsThumb, IsNotDarwin]> {
-    bits<21> func;
+    bits<22> func;
+    let Inst{26} = func{21};
     let Inst{25-16} = func{20-11};
     let Inst{13} = 1;
     let Inst{11} = 1;