From 1ed3af11b55becb26a3485494409084a668a9232 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Tue, 1 Aug 2006 18:53:10 +0000
Subject: [PATCH] start comments with # move the constant pool to .text
 correctly print loads of labels mark R0, R1, R2 and R3 as caller save

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29451 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMAsmPrinter.cpp | 22 +++++++++++++++++-----
 lib/Target/ARM/ARMInstrInfo.td   |  6 ++++--
 2 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 02028329300..d998fdff010 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -43,8 +43,8 @@ namespace {
       Data32bitsDirective = "\t.word\t";
       Data64bitsDirective = 0;
       ZeroDirective = "\t.skip\t";
-      CommentString = "!";
-      ConstantPoolSection = "\t.section \".rodata\",#alloc\n";
+      CommentString = "#";
+      ConstantPoolSection = "\t.text\n";
       AlignmentIsInBytes = false;
     }
 
@@ -60,9 +60,21 @@ namespace {
     }
 
     void printMemRegImm(const MachineInstr *MI, unsigned OpNo) {
-      printOperand(MI, OpNo + 1);
-      O << ", ";
-      printOperand(MI, OpNo);
+      const MachineOperand &MO1 = MI->getOperand(OpNo);
+      const MachineOperand &MO2 = MI->getOperand(OpNo + 1);
+      assert(MO1.isImmediate());
+
+      if (MO2.isConstantPoolIndex()) {
+	printOperand(MI, OpNo + 1);
+      } else if (MO2.isRegister()) {
+	O << '[';
+	printOperand(MI, OpNo + 1);
+	O << ", ";
+	printOperand(MI, OpNo);
+	O << ']';
+      } else {
+	assert(0 && "Invalid Operand Type");
+      }
     }
 
     void printOperand(const MachineInstr *MI, int opNum);
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 6c216f24e9d..a749aa00721 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -57,10 +57,12 @@ let isReturn = 1 in {
   def bx: InstARM<(ops IntRegs:$dst), "bx $dst", [(brind IntRegs:$dst)]>;
 }
 
-def bl: InstARM<(ops i32imm:$func, variable_ops), "bl $func", [(ARMcall tglobaladdr:$func)]>;
+let  Defs = [R0, R1, R2, R3] in {
+  def bl: InstARM<(ops i32imm:$func, variable_ops), "bl $func", [(ARMcall tglobaladdr:$func)]>;
+}
 
 def ldr   : InstARM<(ops IntRegs:$dst, memri:$addr),
-                     "ldr $dst, [$addr]",
+                     "ldr $dst, $addr",
                      [(set IntRegs:$dst, (load iaddr:$addr))]>;
 
 def str  : InstARM<(ops IntRegs:$src, IntRegs:$addr),
-- 
2.34.1