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Fixed issue with microMIPS long branch.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195965 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Zoran Jovanovic 2013-11-29 21:41:24 +00:00
parent eb5a560e00
commit ee7f913c98
2 changed files with 16440 additions and 1 deletions
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4
lib/Target/Mips/MipsLongBranch.cpp
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@ -437,8 +437,10 @@ bool MipsLongBranch::runOnMachineFunction(MachineFunction &F) {
if (!I->Br || I->HasLongBranch)
continue;
int ShVal = TM.getSubtarget<MipsSubtarget>().inMicroMipsMode() ? 2 : 4;
// Check if offset fits into 16-bit immediate field of branches.
if (!ForceLongBranch && isInt<16>(computeOffset(I->Br) / 4))
if (!ForceLongBranch && isInt<16>(computeOffset(I->Br) / ShVal))
continue;
I->HasLongBranch = true;

16437
test/MC/Mips/micromips-long-branch.ll Normal file
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