* src/vm/method.h (methodinfo): Renamed executioncount to

* src/vm/method.h (methodinfo): Renamed executioncount to
frequency. Added bbfrequency and cycles.

* src/vm/jit/x86_64/codegen.c (codegen): Added cycle profiling code.

* src/vm/jit/x86_64/codegen.h (M_FMOV): Added.
(M_IADD_MEMBASE, M_IADC_MEMBASE, M_ISUB_MEMBASE, M_ISBB_MEMBASE):
Likewise.
(M_RDTSC, PROFILE_CYCLE_START, PROFILE_CYCLE_STOP): Likewise.

* src/vm/jit/x86_64/emitfuncs.c (x86_64_inc_membase)
(x86_64_incl_membase): Fixed.
(emit_rdtsc): Added.

* src/vm/jit/jit.c (jit_compile): Free m->bbfrequency memory.
(jit_compile_intern): Allocate m->bbfrequency memory.

* src/vm/jit/jit.h: Reformatting.