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Add support for the mips inline asm 'm' output modifier. 

Patch by Jack Carter.

llvm-svn: 157709
This commit is contained in:
Eric Christopher 2012-05-30 19:05:19 +00:00
parent 0eda3e1de6
commit f481ab3877
2 changed files with 11 additions and 0 deletions
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5
llvm/lib/Target/Mips/MipsAsmPrinter.cpp
View File

@ -377,6 +377,11 @@ bool MipsAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
return true;
O << MO.getImm();
return false;
case 'm': // decimal const int minus 1
if ((MO.getType()) != MachineOperand::MO_Immediate)
return true;
O << MO.getImm() - 1;
return false;
}
}

6
llvm/test/CodeGen/Mips/inlineasm-operand-code.ll
View File

@ -23,5 +23,11 @@ entry:
;CHECK: #NO_APP
tail call i32 asm sideeffect "addi $0,$1,${2:d}", "=r,r,I"(i32 7, i32 -3) nounwind
; m with -3
;CHECK: #APP
;CHECK: addi ${{[0-9]+}},${{[0-9]+}},-4
;CHECK: #NO_APP
tail call i32 asm sideeffect "addi $0,$1,${2:m}", "=r,r,I"(i32 7, i32 -3) nounwind
ret i32 0
}