diff options
| -rw-r--r-- | lib/Target/X86/X86ATTAsmPrinter.cpp | 20 | ||||
| -rw-r--r-- | test/CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll | 11 |
2 files changed, 29 insertions, 2 deletions
diff --git a/lib/Target/X86/X86ATTAsmPrinter.cpp b/lib/Target/X86/X86ATTAsmPrinter.cpp index 0655877124..cc4252fc47 100644 --- a/lib/Target/X86/X86ATTAsmPrinter.cpp +++ b/lib/Target/X86/X86ATTAsmPrinter.cpp @@ -521,6 +521,9 @@ bool X86ATTAsmPrinter::printAsmMRegister(const MachineOperand &MO, case 'k': // Print SImode register Reg = getX86SubSuperRegister(Reg, MVT::i32); break; + case 'q': // Print DImode register + Reg = getX86SubSuperRegister(Reg, MVT::i64); + break; } O << '%'; @@ -547,6 +550,7 @@ bool X86ATTAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, case 'h': // Print QImode high register case 'w': // Print HImode register case 'k': // Print SImode register + case 'q': // Print DImode register if (MI->getOperand(OpNo).isRegister()) return printAsmMRegister(MI->getOperand(OpNo), ExtraCode[0]); printOperand(MI, OpNo); @@ -566,8 +570,20 @@ bool X86ATTAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, unsigned AsmVariant, const char *ExtraCode) { - if (ExtraCode && ExtraCode[0]) - return true; // Unknown modifier. + if (ExtraCode && ExtraCode[0]) { + if (ExtraCode[1] != 0) return true; // Unknown modifier. + + switch (ExtraCode[0]) { + default: return true; // Unknown modifier. + case 'b': // Print QImode register + case 'h': // Print QImode high register + case 'w': // Print HImode register + case 'k': // Print SImode register + case 'q': // Print SImode register + // These only apply to registers, ignore on mem. + break; + } + } printMemReference(MI, OpNo); return false; } diff --git a/test/CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll b/test/CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll new file mode 100644 index 0000000000..450911ae81 --- /dev/null +++ b/test/CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll @@ -0,0 +1,11 @@ +; RUN: llvm-as < %s | llc +; PR1748 +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" +target triple = "x86_64-unknown-linux-gnu" + +define i32 @kernel_init(i8* %unused) { +entry: + call void asm sideeffect "foo ${0:q}", "=*imr"( i64* null ) + ret i32 0 +} + |