diff options
| -rw-r--r-- | lib/Target/ARM/ARMCodeEmitter.cpp | 3 | ||||
| -rw-r--r-- | lib/Target/ARM/README-Thumb2.txt | 7 |
2 files changed, 9 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMCodeEmitter.cpp b/lib/Target/ARM/ARMCodeEmitter.cpp index c10f2dfb64..da7e85e5d0 100644 --- a/lib/Target/ARM/ARMCodeEmitter.cpp +++ b/lib/Target/ARM/ARMCodeEmitter.cpp @@ -1165,7 +1165,8 @@ void Emitter<CodeEmitter>::emitMiscBranchInstruction(const MachineInstr &MI) { emitDataProcessingInstruction(MI, ARM::PC); // Then emit the inline jump table. - unsigned JTIndex = (TID.Opcode == ARM::BR_JTr || TID.Opcode == ARM::t2BR_JTr) + unsigned JTIndex = + (TID.Opcode == ARM::BR_JTr || TID.Opcode == ARM::t2BR_JTr) ? MI.getOperand(1).getIndex() : MI.getOperand(2).getIndex(); emitInlineJumpTable(JTIndex); return; diff --git a/lib/Target/ARM/README-Thumb2.txt b/lib/Target/ARM/README-Thumb2.txt new file mode 100644 index 0000000000..810490b094 --- /dev/null +++ b/lib/Target/ARM/README-Thumb2.txt @@ -0,0 +1,7 @@ +//===---------------------------------------------------------------------===// +// Random ideas for the ARM backend (Thumb2 specific). +//===---------------------------------------------------------------------===// + +* We should model IT instructions explicitly. We should introduce them (even if + if-converter is not run, the function could still contain movcc's) before + PEI since passes starting from PEI may require exact code size. |