mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
Add x86 support for 'n' inline asm modifier. This will be handled target independently as part of MC work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74336 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
d8220e5794
commit
2c2fb823b9
@ -840,6 +840,17 @@ bool X86ATTAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
|
|||||||
case 'P': // Don't print @PLT, but do print as memory.
|
case 'P': // Don't print @PLT, but do print as memory.
|
||||||
printOperand(MI, OpNo, "mem", /*NotRIPRel=*/true);
|
printOperand(MI, OpNo, "mem", /*NotRIPRel=*/true);
|
||||||
return false;
|
return false;
|
||||||
|
|
||||||
|
case 'n': { // Negate the immediate or print a '-' before the operand.
|
||||||
|
// Note: this is a temporary solution. It should be handled target
|
||||||
|
// independently as part of the 'MC' work.
|
||||||
|
const MachineOperand &MO = MI->getOperand(OpNo);
|
||||||
|
if (MO.isImm()) {
|
||||||
|
O << -MO.getImm();
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
O << '-';
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
8
test/CodeGen/X86/inline-asm-modifier-n.ll
Normal file
8
test/CodeGen/X86/inline-asm-modifier-n.ll
Normal file
@ -0,0 +1,8 @@
|
|||||||
|
; RUN: llvm-as < %s | llc -march=x86 | grep { 37}
|
||||||
|
; rdar://7008959
|
||||||
|
|
||||||
|
define void @bork() nounwind {
|
||||||
|
entry:
|
||||||
|
tail call void asm sideeffect "BORK ${0:n}", "i,~{dirflag},~{fpsr},~{flags}"(i32 -37) nounwind
|
||||||
|
ret void
|
||||||
|
}
|
Loading…
Reference in New Issue
Block a user