* src/vm/jit/powerpc64/linux/md-abi.c (_ALIGN): Renamed to

* src/vm/jit/powerpc64/linux/md-abi.c (_ALIGN): Renamed to
 CACAO_ALIGN because of name clash with /usr/include/asm-ppc64/page.h.

* src/vm/jit/powerpc64/emit.c (emit_lconst): Added.
 (emit_iconst): Reformatted.

* src/vm/jit/powerpc64/codegen.c (codegen):
 Replaced all stackframesize with cd->stackframesize.
 Implemented ICMD_IF_LLT, ICMD_IF_LLE, ICMD_IF_LGE, ICMD_IF_LGT.

* src/vm/jit/powerpc64/asmpart.S:
 Partially fixed exception path.
 (asm_cacheflush): Fixed.

* src/vm/jit/powerpc64/codegen.h (LCONST): Implemented.

* tests/if_tests.java: Added simple testcase for if and compare.