ARM "l" constraint for inline asm means R0-R7, also for Thumb2.

This is consistent with llvm-gcc's arm/constraints.md.

Certain instructions (e.g. CBZ, CBNZ) require a low register, even in Thumb2
mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93436 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed