RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-23 19:23:23 +01:00
Code Issues Projects Releases Wiki Activity

[ms-inline-asm] Add support for memory references that have non-immediate

Browse Source 
displacements.
rdar://12974533

llvm-svn: 175083
This commit is contained in:
Chad Rosier 2013-02-13 21:33:44 +00:00
parent 0c12b80a10
commit ed40f84fdc
2 changed files with 41 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
lib/Target/X86/X86AsmPrinter.cpp
View File

@ -252,14 +252,15 @@ void X86AsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
}
case MachineOperand::MO_Immediate:
O << '$' << MO.getImm();
if (AsmVariant == 0) O << '$';
O << MO.getImm();
return;
case MachineOperand::MO_JumpTableIndex:
case MachineOperand::MO_ConstantPoolIndex:
case MachineOperand::MO_GlobalAddress:
case MachineOperand::MO_ExternalSymbol: {
O << '$';
if (AsmVariant == 0) O << '$';
printSymbolOperand(MO, O);
break;
}
@ -355,19 +356,23 @@ void X86AsmPrinter::printIntelMemReference(const MachineInstr *MI, unsigned Op,
NeedPlus = true;
}
assert (DispSpec.isImm() && "Displacement is not an immediate!");
int64_t DispVal = DispSpec.getImm();
if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg())) {
if (NeedPlus) {
if (DispVal > 0)
O << " + ";
else {
O << " - ";
DispVal = -DispVal;
if (!DispSpec.isImm()) {
if (NeedPlus) O << " + ";
printOperand(MI, Op+3, O, Modifier, AsmVariant);
} else {
int64_t DispVal = DispSpec.getImm();
if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg())) {
if (NeedPlus) {
if (DispVal > 0)
O << " + ";
else {
O << " - ";
DispVal = -DispVal;
}
}
O << DispVal;
}
O << DispVal;
}
}
O << ']';
}

23
test/CodeGen/X86/ms-inline-asm.ll
View File

@ -79,3 +79,26 @@ entry:
; CHECK: .att_syntax
; CHECK: {{## InlineAsm End|#NO_APP}}
}
@results = global [2 x i32] [i32 3, i32 2], align 4
define i32* @t30() nounwind ssp {
entry:
%res = alloca i32*, align 4
call void asm sideeffect inteldialect "lea edi, dword ptr $0", "*m,~{edi},~{dirflag},~{fpsr},~{flags}"([2 x i32]* @results) nounwind
call void asm sideeffect inteldialect "mov dword ptr $0, edi", "=*m,~{dirflag},~{fpsr},~{flags}"(i32** %res) nounwind
%0 = load i32** %res, align 4
ret i32* %0
; CHECK: t30:
; CHECK: {{## InlineAsm Start|#APP}}
; CHECK: .intel_syntax
; CHECK: lea edi, dword ptr [_results]
; CHECK: .att_syntax
; CHECK: {{## InlineAsm End|#NO_APP}}
; CHECK: {{## InlineAsm Start|#APP}}
; CHECK: .intel_syntax
; CHECK: mov dword ptr [esp], edi
; CHECK: .att_syntax
; CHECK: {{## InlineAsm End|#NO_APP}}
; CHECK: movl (%esp), %eax
}