[LLVMdev] Increase the number of registers in ARM
陳韋任 (Wei-Ren Chen)
chenwj at iis.sinica.edu.tw
Wed Dec 5 23:46:45 PST 2012
On Wed, Dec 05, 2012 at 09:17:12PM -0600, Amir Yazdanbakhsh wrote:
> I want to increase the number of integer registers in the ARM machine.
> I don't have any idea how/where I can start. Can anybody help me?
The code below in lib/Target/ARM/ARMRegisterInfo.td is where you
should look into,
// Integer registers
def R0 : ARMReg< 0, "r0">, DwarfRegNum<>;
def R1 : ARMReg< 1, "r1">, DwarfRegNum<>;
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
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