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Re-apply 66024 with fixes: 1. Fixed indirect call to immediate address assembly....
authorEvan Cheng <evan.cheng@apple.com>
Thu, 12 Mar 2009 18:15:39 +0000 (18:15 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Thu, 12 Mar 2009 18:15:39 +0000 (18:15 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66803 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
lib/Target/X86/X86CodeEmitter.cpp
lib/Target/X86/X86Instr64bit.td
lib/Target/X86/X86InstrInfo.td

index 8020fb1..810f993 100644 (file)
@@ -308,8 +308,9 @@ void X86ATTAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
   }
 
   case MachineOperand::MO_Immediate:
-    if (!Modifier ||
-        (strcmp(Modifier, "debug") && strcmp(Modifier, "mem")))
+    if (!Modifier || (strcmp(Modifier, "debug") &&
+                      strcmp(Modifier, "mem") &&
+                      strcmp(Modifier, "call")))
       O << '$';
     O << MO.getImm();
     return;
index dbcb52a..bbe063b 100644 (file)
@@ -589,7 +589,13 @@ void Emitter::emitInstruction(const MachineInstr &MI,
       } else if (MO.isSymbol()) {
         emitExternalSymbolAddress(MO.getSymbolName(), X86::reloc_pcrel_word);
       } else if (MO.isImm()) {
-        emitConstant(MO.getImm(), X86InstrInfo::sizeOfImm(Desc));
+        if (Opcode == X86::CALLpcrel32 || Opcode == X86::CALL64pcrel32) {
+          // Fix up immediate operand for pc relative calls.
+          intptr_t Imm = (intptr_t)MO.getImm();
+          Imm = Imm - MCE.getCurrentPCValue() - 4;
+          emitConstant(Imm, X86InstrInfo::sizeOfImm(Desc));
+        } else
+          emitConstant(MO.getImm(), X86InstrInfo::sizeOfImm(Desc));
       } else {
         assert(0 && "Unknown RawFrm operand!");
       }
index 65070d3..a6c0800 100644 (file)
@@ -109,8 +109,10 @@ let isCall = 1 in
               XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
               XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
       Uses = [RSP] in {
-    def CALL64pcrel32 : I<0xE8, RawFrm, (outs), (ins i64imm:$dst, variable_ops),
-                          "call\t${dst:call}", []>;
+    def CALL64pcrel32 : I<0xE8, RawFrm,
+                          (outs), (ins i64i32imm:$dst, variable_ops),
+                          "call\t${dst:call}", [(X86call imm:$dst)]>,
+                        Requires<[In64BitMode]>;
     def CALL64r       : I<0xFF, MRM2r, (outs), (ins GR64:$dst, variable_ops),
                           "call\t{*}$dst", [(X86call GR64:$dst)]>;
     def CALL64m       : I<0xFF, MRM2m, (outs), (ins i64mem:$dst, variable_ops),
index 0b13cc0..64d0021 100644 (file)
@@ -493,7 +493,8 @@ let isCall = 1 in
               XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
       Uses = [ESP] in {
     def CALLpcrel32 : Ii32<0xE8, RawFrm, (outs), (ins i32imm:$dst,variable_ops),
-                           "call\t${dst:call}", []>;
+                           "call\t${dst:call}", [(X86call imm:$dst)]>,
+                      Requires<[In32BitMode]>;
     def CALL32r     : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
                         "call\t{*}$dst", [(X86call GR32:$dst)]>;
     def CALL32m     : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),