6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-20 10:24:12 +00:00
Code Issues Projects Releases Wiki Activity

Enable load / store multiple pass for Thumb2. It's not using ldrd / strd yet.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78104 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-08-04 21:12:13 +00:00
parent 275bb1bd12
commit 9e7a312391
4 changed files with 53 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
lib/Target/ARM/ARMLoadStoreOptimizer.cpp
View File

@ -615,12 +615,15 @@ bool ARMLoadStoreOpt::MergeBaseUpdateLoadStore(MachineBasicBlock &MBB,
return false;
bool isDPR = NewOpc == ARM::FLDMD || NewOpc == ARM::FSTMD;
unsigned Offset = isAM5
? ARM_AM::getAM5Opc((AddSub == ARM_AM::sub) ? ARM_AM::db : ARM_AM::ia,
true, isDPR ? 2 : 1)
: (isAM2
? ARM_AM::getAM2Opc(AddSub, Bytes, ARM_AM::no_shift)
: Bytes);
unsigned Offset = 0;
if (isAM5)
Offset = ARM_AM::getAM5Opc((AddSub == ARM_AM::sub)
? ARM_AM::db
: ARM_AM::ia, true, (isDPR ? 2 : 1));
else if (isAM2)
Offset = ARM_AM::getAM2Opc(AddSub, Bytes, ARM_AM::no_shift);
else
Offset = AddSub == ARM_AM::sub ? -Bytes : Bytes;
if (isLd) {
if (isAM5)
// FLDMS, FLDMD