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ARMv7-R is a variant of the ARMv7 architecture targeted at the real-time profile. The ARMv7-R architecture supports the ARM and Thumb instruction sets.
Table 1-8 Useful command-line options for ARMv7-R
||ARMv7 with Thumb instructions only (no ARM instructions) but without hardware dividea|
||ARMv7 real-time profile with ARM instructions, 16-bit encoded Thumb instructions, 32-bit encoded Thumb instructions, VFP, 32-bit SIMD support, and hardware divide|
STRH. Other data accesses must maintain alignment using
Abit in the CP15 register c1.