[Committed] Improvements to SPU (resending with patch)

[trevor_smigiel at playstation dot sony dot com]

Make -mwarn-reloc work properly.

Improve code for zero_extendhisi2.

Add some rtl patterns for vector modes.

Remove most of the static inline functions from spu_internals.h

Trevor

2006-12-01  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>

        * config/spu/spu.c (spu_immediate): Remove trailing comma.
        (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
        * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
        better optimization.
        (floatv4siv4sf2): New.
        (fix_truncv4sfv4si2): New.
        (floatunsv4siv4sf2): New.
        (fixuns_truncv4sfv4si2): New.
        (addv16qi3): New.
        (subv16qi3): New.
        (negv16qi2): New.
        (mulv8hi3): New.
        (mulsi3): Remove.
        (mul<mode>3): New.
        (_mulv4si3): New.
        (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
        * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
        spu_resolve_overloaded_builtin instead of static inline functions.

Attachment: spumisc.diff.txt
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