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authorStephen Hines <srhines@google.com>2015-03-23 12:10:34 -0700
committerStephen Hines <srhines@google.com>2015-03-23 12:10:34 -0700
commitebe69fe11e48d322045d5949c83283927a0d790b (patch)
treec92f1907a6b8006628a4b01615f38264d29834ea /lib/Target/ARM/Thumb2InstrInfo.cpp
parentb7d2e72b02a4cb8034f32f8247a2558d2434e121 (diff)
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Update aosp/master LLVM for rebase to r230699.
Change-Id: I2b5be30509658cb8266be782de0ab24f9099f9b9
Diffstat (limited to 'lib/Target/ARM/Thumb2InstrInfo.cpp')
-rw-r--r--lib/Target/ARM/Thumb2InstrInfo.cpp9
1 files changed, 3 insertions, 6 deletions
diff --git a/lib/Target/ARM/Thumb2InstrInfo.cpp b/lib/Target/ARM/Thumb2InstrInfo.cpp
index 91973e1..62c3752 100644
--- a/lib/Target/ARM/Thumb2InstrInfo.cpp
+++ b/lib/Target/ARM/Thumb2InstrInfo.cpp
@@ -574,13 +574,10 @@ bool llvm::rewriteT2FrameIndex(MachineInstr &MI, unsigned FrameRegIdx,
}
} else if (AddrMode == ARMII::AddrModeT2_i8s4) {
Offset += MI.getOperand(FrameRegIdx + 1).getImm() * 4;
- NumBits = 8;
- // MCInst operand has already scaled value.
+ NumBits = 10; // 8 bits scaled by 4
+ // MCInst operand expects already scaled value.
Scale = 1;
- if (Offset < 0) {
- isSub = true;
- Offset = -Offset;
- }
+ assert((Offset & 3) == 0 && "Can't encode this offset!");
} else {
llvm_unreachable("Unsupported addressing mode!");
}