diff options
| -rw-r--r-- | lib/Target/Mips/MipsAsmPrinter.cpp | 14 | ||||
| -rw-r--r-- | test/CodeGen/Mips/inlineasm-operand-code.ll | 12 |
2 files changed, 25 insertions, 1 deletions
diff --git a/lib/Target/Mips/MipsAsmPrinter.cpp b/lib/Target/Mips/MipsAsmPrinter.cpp index 0609241..1c5bb16 100644 --- a/lib/Target/Mips/MipsAsmPrinter.cpp +++ b/lib/Target/Mips/MipsAsmPrinter.cpp @@ -323,6 +323,17 @@ bool MipsAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum, return true; O << MO.getImm() - 1; return false; + case 'z': // $0 if zero, regular printing otherwise + { + if (MO.getType() != MachineOperand::MO_Immediate) + return true; + int64_t Val = MO.getImm(); + if (Val) + O << Val; + else + O << "$0"; + return false; + } } } @@ -335,11 +346,12 @@ bool MipsAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, const char *ExtraCode, raw_ostream &O) { if (ExtraCode && ExtraCode[0]) - return true; // Unknown modifier. + return true; // Unknown modifier. const MachineOperand &MO = MI->getOperand(OpNum); assert(MO.isReg() && "unexpected inline asm memory operand"); O << "0($" << MipsInstPrinter::getRegisterName(MO.getReg()) << ")"; + return false; } diff --git a/test/CodeGen/Mips/inlineasm-operand-code.ll b/test/CodeGen/Mips/inlineasm-operand-code.ll index 2dcc10d..ca4f3e4 100644 --- a/test/CodeGen/Mips/inlineasm-operand-code.ll +++ b/test/CodeGen/Mips/inlineasm-operand-code.ll @@ -29,5 +29,17 @@ entry: ;CHECK: #NO_APP tail call i32 asm sideeffect "addi $0,$1,${2:m}", "=r,r,I"(i32 7, i32 -3) nounwind +; z with -3 +;CHECK: #APP +;CHECK: addi ${{[0-9]+}},${{[0-9]+}},-3 +;CHECK: #NO_APP + tail call i32 asm sideeffect "addi $0,$1,${2:z}", "=r,r,I"(i32 7, i32 -3) nounwind + +; z with 0 +;CHECK: #APP +;CHECK: addi ${{[0-9]+}},${{[0-9]+}},$0 +;CHECK: #NO_APP + tail call i32 asm sideeffect "addi $0,$1,${2:z}", "=r,r,I"(i32 7, i32 0) nounwind + ret i32 0 } |