From: Richard Henderson <rth@redhat.com>
To: James Greenhalgh <james.greenhalgh@arm.com>, gcc-patches@gcc.gnu.org
Cc: marcus.shawcroft@arm.com
Subject: Re: [AArch64] Tighten predicates on SIMD shift intrinsics
Date: Fri, 19 Sep 2014 16:57:00 -0000 [thread overview]
Message-ID: <541C6062.5080702@redhat.com> (raw)
In-Reply-To: <1410424192-5243-1-git-send-email-james.greenhalgh@arm.com>
On 09/11/2014 01:29 AM, James Greenhalgh wrote:
> +;; Predicates used by the various SIMD shift operations. These
> +;; fall in to 3 categories.
> +;; Shifts with a range 0-(bit_size - 1) (aarch64_simd_shift_imm)
> +;; Shifts with a range 1-bit_size (aarch64_simd_shift_imm_offset)
> +;; Shifts with a range 0-bit_size (aarch64_simd_shift_imm_bitsize)
> +(define_predicate "aarch64_simd_shift_imm_qi"
> + (and (match_code "const_int")
> + (match_test "aarch64_simd_const_bounds (op, 0, 7)")))
The function call should be removed and this should be written as
(match_test "IN_RANGE (ival, 0, 7)")
r~
next prev parent reply other threads:[~2014-09-19 16:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-11 8:30 James Greenhalgh
2014-09-19 10:59 ` James Greenhalgh
2014-09-19 16:57 ` Richard Henderson [this message]
2014-09-25 15:05 ` James Greenhalgh
2014-09-25 15:18 ` Richard Henderson
2014-09-25 16:04 ` Marcus Shawcroft
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