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Add parsing for the Thumb t_addrmode_s4 addressing mode. This can almost

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certainly be made more generic. But it does allow us to parse something like:

          ldr     r3, [r2, r4]

correctly in Thumb mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120408 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2010-11-30 07:44:32 +00:00
parent 3f8e617891
commit ef4a68badb
5 changed files with 92 additions and 14 deletions
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lib/Target/ARM/ARMCodeEmitter.cpp
+4 -2
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@@ -235,8 +235,10 @@ namespace {
const { return 0;}
uint32_t getAddrMode3OffsetOpValue(const MachineInstr &MI, unsigned OpIdx)
const { return 0;}
uint32_t getAddrMode3OpValue(const MachineInstr &MI, unsigned Op) const
{ return 0; }
uint32_t getAddrMode3OpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
uint32_t getAddrModeS4OpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
uint32_t getAddrMode5OpValue(const MachineInstr &MI, unsigned Op) const {
// {17-13} = reg
// {12} = (U)nsigned (add == '1', sub == '0')