invoke.texi (-mlwp): Add documentation.

2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * doc/invoke.texi (-mlwp): Add documentation.
        * doc/extend.texi (x86 intrinsics): Add LWP intrinsics.
        * config.gcc (i[34567]86-*-*): Include lwpintrin.h.
        (x86_64-*-*): Ditto.
        * config/i386/lwpintrin.h: New file, provide x86 compiler
        intrinisics for LWP.
        * config/i386/cpuid.h (bit_LWP): Define LWP bit.
        * config/i386/x86intrin.h: Add LWP check and lwpintrin.h.
        * config/i386/i386-c.c (ix86_target_macros_internal): Check
        ISA_FLAG for LWP. 
        * config/i386/i386.h (TARGET_LWP): New macro for LWP.
        * config/i386/i386.opt (-mlwp): New switch for LWP support.
        * config/i386/i386.c (OPTION_MASK_ISA_LWP_SET): New.
        (OPTION_MASK_ISA_LWP_UNSET): New.       
        (ix86_handle_option): Handle -mlwp.
        (isa_opts): Handle -mlwp.
        (enum pta_flags): Add PTA_LWP.
        (override_options): Add LWP support.
        (IX86_BUILTIN_LLWPCB16): New for LWP intrinsic.
        (IX86_BUILTIN_LLWPCB32): Ditto.
        (IX86_BUILTIN_LLWPCB64): Ditto.
        (IX86_BUILTIN_SLWPCB16): Ditto.
        (IX86_BUILTIN_SLWPCB32): Ditto.
        (IX86_BUILTIN_SLWPCB64): Ditto.
        (IX86_BUILTIN_LWPVAL16): Ditto.
        (IX86_BUILTIN_LWPVAL32): Ditto.
        (IX86_BUILTIN_LWPVAL64): Ditto.
        (IX86_BUILTIN_LWPINS16): Ditto.
        (IX86_BUILTIN_LWPINS32): Ditto.
        (IX86_BUILTIN_LWPINS64): Ditto.
        (enum  ix86_special_builtin_type): Add LWP intrinsic support.
        (builtin_description): Ditto.
        (ix86_init_mmx_sse_builtins): Ditto.
        (ix86_expand_special_args_builtin): Ditto.
        * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC): Add new UNSPEC
        for LWP support.
        (UNSPEC_SLWP_INTRINSIC): Ditto.
        (UNSPECV_LWPVAL_INTRINSIC): Ditto.
        (UNSPECV_LWPINS_INTRINSIC): Ditto.
        (lwp_llwpcbhi1): New lwp pattern.
        (lwp_llwpcbsi1): Ditto.
        (lwp_llwpcbdi1): Ditto.
        (lwp_slwpcbhi1): Ditto.
        (lwp_slwpcbsi1): Ditto.
        (lwp_slwpcbdi1): Ditto.
        (lwp_lwpvalhi3): Ditto.
        (lwp_lwpvalsi3): Ditto.
        (lwp_lwpvaldi3): Ditto.
        (lwp_lwpinshi3): Ditto.
        (lwp_lwpinssi3): Ditto.
        (lwp_lwpinsdi3): Ditto.


Co-Authored-By: Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>

From-SVN: r153917