[PATCH][PING^2] Vectorize conversions directly

[Dmitry Plotnikov]

Ping.

On 10/28/2011 12:22 PM, Dmitry Plotnikov wrote:
> Here is the patch updated according to recent comments.
>
> 2011-10-28 Dmitry Plotnikov <dplotnikov@ispras.ru>
>
> gcc/
> * tree-cfg.c (verify_gimple_assign_unary): Allow vector conversions.
> * optabs.c (supportable_convert_operation): New function.
> * optabs.h (supportable_convert_operation): New prototype.
> * tree-vect-stmts.c (vectorizable_conversion): Change condition and
> behavior
> for NONE modifier case.
> * tree.h (VECTOR_INTEGER_TYPE_P): New macro.
>
> gcc/config/arm/
> * neon.md (floatv2siv2sf2): New.
> (floatunsv2siv2sf2): New.
> (fix_truncv2sfv2si2): New.
> (fix_truncunsv2sfv2si2): New.
> (floatv4siv4sf2): New.
> (floatunsv4siv4sf2): New.
> (fix_truncv4sfv4si2): New.
> (fix_truncunsv4sfv4si2): New.
>
> gcc/testsuite/
> * gcc.target/arm/vect-vcvt.c: New test.
> * gcc.target/arm/vect-vcvtq.c: New test.
>
> gcc/testsuite/lib/
> * target-supports.exp (check_effective_target_vect_intfloat_cvt): True
> for ARM NEON.
> (check_effective_target_vect_uintfloat_cvt): Likewise.
> (check_effective_target_vect_intfloat_cvt): Likewise.
> (check_effective_target_vect_floatuint_cvt): Likewise.
> (check_effective_target_vect_floatint_cvt): Likewise.
> (check_effective_target_vect_extract_even_odd): Likewise.