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Re: [PATCH] Add vcond_gen_code optab and expand VEC_COND_EXPR

From: Devang Patel <dpatel at apple dot com>
To: Richard Henderson <rth at redhat dot com>
Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Tue, 21 Sep 2004 15:10:38 -0700
Subject: Re: [PATCH] Add vcond_gen_code optab and expand VEC_COND_EXPR
References: <5C534A82-0800-11D9-A562-000393A91CAA@apple.com> <20040921215632.GE32068@redhat.com>

On Sep 21, 2004, at 2:56 PM, Richard Henderson wrote:

On Thu, Sep 16, 2004 at 09:49:22AM -0700, Devang Patel wrote:
+ emit_insn (GEN_FCN (icode) (target, rtx_op1, rtx_op2, comparison, const0_rtx));
And what is the point of that const0_rtx?

That's a weakest link of this patch:)

expand_vec_cond_expr_p() passes const1_rtx. It is a boolean flag to see if operation is supported on the target or not. I could not think better way of doing it. Thoughts?

Thanks,
-
Devang

Follow-Ups:
- Re: [PATCH] Add vcond_gen_code optab and expand VEC_COND_EXPR
  - From: Richard Henderson

References:
- [PATCH] Add vcond_gen_code optab and expand VEC_COND_EXPR
  - From: Devang Patel
- Re: [PATCH] Add vcond_gen_code optab and expand VEC_COND_EXPR
  - From: Richard Henderson

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