Improve the logic when setting max_insns_skipped. Limit the maximum size of IT
to MAX_INSN_PER_IT_BLOCK as otherwise multiple IT instructions are needed,
increasing codesize. Given 4 works well for Thumb-2, use the same limit for ARM
for consistency.
gcc/
* config/arm/arm.c (arm_option_params_internal): Improve setting of
max_insns_skipped.
From-SVN: r251720
