From: Richard Henderson <rth@twiddle.net>
To: Claudio Fontana <claudio.fontana@huawei.com>
Cc: peter.maydell@linaro.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v4 22/33] tcg-aarch64: Use MOVN in tcg_out_movi
Date: Mon, 16 Sep 2013 08:50:41 -0700 [thread overview]
Message-ID: <523728D1.6060600@twiddle.net> (raw)
In-Reply-To: <5236CC6D.40901@huawei.com>
On 09/16/2013 02:16 AM, Claudio Fontana wrote:
> I agree in general with the approach "lets see if it is more convenient to start with MOVN".
> The existing implementation is, although not easy, leaner.
> Can we make it a little this one a little bit leaner?
This sentence is not well formed. What did you mean?
In what sense did you mean "lean"? Smaller or faster?
If faster, see the comment about using neon insns.
If smaller... um... why?
r~
next prev parent reply other threads:[~2013-09-16 15:51 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-14 21:54 [Qemu-devel] [PATCH v4 00/33] tcg-aarch64 improvements Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 01/33] tcg-aarch64: Change all ext variables to TCGType Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 02/33] tcg-aarch64: Set ext based on TCG_OPF_64BIT Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 03/33] tcg-aarch64: Don't handle mov/movi in tcg_out_op Richard Henderson
2013-09-16 7:45 ` Claudio Fontana
2013-09-16 15:07 ` Richard Henderson
2013-09-17 8:05 ` Claudio Fontana
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 04/33] tcg-aarch64: Hoist common argument loads " Richard Henderson
2013-09-16 7:42 ` Claudio Fontana
2013-09-16 16:20 ` Richard Henderson
2013-09-17 8:01 ` Claudio Fontana
2013-09-17 14:27 ` Richard Henderson
2013-09-18 8:10 ` Claudio Fontana
2013-09-18 14:00 ` Richard Henderson
2013-09-18 14:18 ` Claudio Fontana
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 05/33] tcg-aarch64: Change enum aarch64_arith_opc to AArch64Insn Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 06/33] tcg-aarch64: Merge enum aarch64_srr_opc with AArch64Insn Richard Henderson
2013-09-16 7:56 ` Claudio Fontana
2013-09-16 15:06 ` Richard Henderson
2013-09-17 8:51 ` Claudio Fontana
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 07/33] tcg-aarch64: Remove the shift_imm parameter from tcg_out_cmp Richard Henderson
2013-09-16 8:02 ` Claudio Fontana
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 08/33] tcg-aarch64: Introduce tcg_fmt_Rdnm and tcg_fmt_Rdnm_lsl Richard Henderson
2013-09-16 8:41 ` Claudio Fontana
2013-09-16 15:32 ` Richard Henderson
2013-09-16 19:11 ` Richard Henderson
2013-09-17 8:23 ` Claudio Fontana
2013-09-17 14:54 ` Richard Henderson
2013-09-18 8:24 ` Claudio Fontana
2013-09-18 14:54 ` Richard Henderson
2013-09-18 15:01 ` Claudio Fontana
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 09/33] tcg-aarch64: Introduce tcg_fmt_Rdn_aimm Richard Henderson
2013-09-16 8:47 ` Claudio Fontana
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 10/33] tcg-aarch64: Implement mov with tcg_fmt_* functions Richard Henderson
2013-09-16 8:50 ` Claudio Fontana
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 11/33] tcg-aarch64: Handle constant operands to add, sub, and compare Richard Henderson
2013-09-16 9:02 ` Claudio Fontana
2013-09-16 15:45 ` Richard Henderson
2013-09-17 8:49 ` Claudio Fontana
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 12/33] tcg-aarch64: Handle constant operands to and, or, xor Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 13/33] tcg-aarch64: Support andc, orc, eqv, not Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 14/33] tcg-aarch64: Handle zero as first argument to sub Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 15/33] tcg-aarch64: Support movcond Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 16/33] tcg-aarch64: Use tcg_fmt_Rdnm_cond for setcond Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 17/33] tcg-aarch64: Support deposit Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 18/33] tcg-aarch64: Support add2, sub2 Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 19/33] tcg-aarch64: Support muluh, mulsh Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 20/33] tcg-aarch64: Support div, rem Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 21/33] tcg-aarch64: Introduce tcg_fmt_Rd_uimm Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 22/33] tcg-aarch64: Use MOVN in tcg_out_movi Richard Henderson
2013-09-16 9:16 ` Claudio Fontana
2013-09-16 15:50 ` Richard Henderson [this message]
2013-09-17 7:55 ` Claudio Fontana
2013-09-17 15:56 ` Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 23/33] tcg-aarch64: Use ORRI " Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 24/33] tcg-aarch64: Special case small constants " Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 25/33] tcg-aarch64: Use adrp " Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 26/33] tcg-aarch64: Avoid add with zero in tlb load Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 27/33] tcg-aarch64: Pass return address to load/store helpers directly Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 28/33] tcg-aarch64: Use tcg_out_call for qemu_ld/st Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 29/33] tcg-aarch64: Use symbolic names for branches Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 30/33] tcg-aarch64: Implement tcg_register_jit Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 31/33] tcg-aarch64: Reuse FP and LR in translated code Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 32/33] tcg-aarch64: Introduce tcg_out_ldst_pair Richard Henderson
2013-09-14 21:54 ` [Qemu-devel] [PATCH v4 33/33] tcg-aarch64: Remove redundant CPU_TLB_ENTRY_BITS check Richard Henderson
2013-09-16 9:05 ` Claudio Fontana
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