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

Put the shiny new MCSubRegIterator to work.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157783 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier
2012-06-01 00:02:08 +00:00
parent 1cbf2be592
commit 547d8045fb
1 changed files with 6 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
lib/Target/X86/X86RegisterInfo.cpp
View File

@@ -275,21 +275,19 @@ BitVector X86RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
// Set the stack-pointer register and its aliases as reserved. // Set the stack-pointer register and its aliases as reserved.
Reserved.set(X86::RSP); Reserved.set(X86::RSP);
Reserved.set(X86::ESP); for (MCSubRegIterator I(X86::RSP, this); I.isValid(); ++I)
Reserved.set(X86::SP); Reserved.set(*I);
Reserved.set(X86::SPL);
// Set the instruction pointer register and its aliases as reserved. // Set the instruction pointer register and its aliases as reserved.
Reserved.set(X86::RIP); Reserved.set(X86::RIP);
Reserved.set(X86::EIP); for (MCSubRegIterator I(X86::RIP, this); I.isValid(); ++I)
Reserved.set(X86::IP); Reserved.set(*I);
// Set the frame-pointer register and its aliases as reserved if needed. // Set the frame-pointer register and its aliases as reserved if needed.
if (TFI->hasFP(MF)) { if (TFI->hasFP(MF)) {
Reserved.set(X86::RBP); Reserved.set(X86::RBP);
Reserved.set(X86::EBP); for (MCSubRegIterator I(X86::RBP, this); I.isValid(); ++I)
Reserved.set(X86::BP); Reserved.set(*I);
Reserved.set(X86::BPL);
} }
// Mark the segment registers as reserved. // Mark the segment registers as reserved.