ldrsb             927 src/arm/assembler-arm.h   void ldrsb(Register dst, const MemOperand& src, Condition cond = al);
ldrsb            2892 src/arm/lithium-codegen-arm.cc         __ ldrsb(result, mem_operand);
ldrsb            3627 src/arm/stub-cache-arm.cc       __ ldrsb(value, MemOperand(r3, key, LSR, 1));
ldrsb             188 test/cctest/test-assembler-arm.cc   __ ldrsb(r2, MemOperand(r4, OFFSET_OF(T, c)));