6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-25 13:24:46 +00:00
Code Issues Projects Releases Wiki Activity

Fix <rdar://problem/9476260> by having tail calls always generate 32-bit branches

Browse Source 
in Darwin Thumb2 code. Tail calls are already disabled on Thumb1.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131894 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron Zwarich
2011-05-23 01:57:17 +00:00
parent 613f1a3994
commit d34d429401
2 changed files with 11 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Target/ARM/ARMAsmPrinter.cpp
View File

@@ -1832,7 +1832,9 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
case ARM::tTAILJMPdND: {
MCInst TmpInst, TmpInst2;
LowerARMMachineInstrToMCInst(MI, TmpInst2, *this);
TmpInst.setOpcode(ARM::tB);
// The Darwin toolchain doesn't support tail call relocations of 16-bit
// branches.
TmpInst.setOpcode(Opc == ARM::tTAILJMPd ? ARM::t2B : ARM::tB);
TmpInst.addOperand(TmpInst2.getOperand(0));
OutStreamer.AddComment("TAILCALL");
OutStreamer.EmitInstruction(TmpInst);