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Re: [patch] generic simd support
- From: Richard Henderson <rth at redhat dot com>
- To: Aldy Hernandez <aldyh at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org, gcc at gcc dot gnu dot org, gdb at sources dot redhat dot com
- Date: Sun, 16 Jun 2002 10:59:09 -0700
- Subject: Re: [patch] generic simd support
- References: <20020522004429.GA26426@redhat.com> <20020530154256.F5362@redhat.com> <20020616091000.GA15592@redhat.com>
On Sun, Jun 16, 2002 at 07:10:00PM +1000, Aldy Hernandez wrote:
> * gcc.c-torture/execute/simd-1.c: New.
>
> * gcc.dg/simd-1.c: New.
>
> * doc/extend.texi (Vector Extensions): Document that we can
> specify simd types not specifically supported by the hardware.
> Document that simd types can be used as function arguments.
> Document that signness does make a difference in SIMD types.
> Misc cleanups and revisions to the "vector extensions" section.
>
> * simplify-rtx.c (simplify_subreg): Simplify subregs of vector
> constants.
>
> * expr.c (vector_mode_valid_p): New.
>
> * expr.h: Add vector_mode_valid_p.
>
> * defaults.h (VECTOR_MODE_SUPPORTED_P): Set default.
>
> * c-common.c (type_for_mode): Always build vector nodes regardless
> of VECTOR_MODE_SUPPORTED_P.
> (handle_mode_attribute): Error if we can't emulate a nonexisting
> vector mode.
> (handle_vector_size_attribute): Same.
>
> * optabs.c (expand_binop): Open-code vector operations.
> (expand_unop): Open-code vector unops.
> (expand_vector_binop): New.
> (expand_vector_unop): New.
>
> * c-typeck.c (build_binary_op): Allow vectors in binops.
> Allow vectors in conditional operatiors.
> (build_unary_op): Allow vectors in unary minus.
>
> * config/rs6000/rs6000.h (ALTIVEC_VECTOR_MODE): Conditionalize on
> TARGET_ALTIVEC.
Ok.
r~