From: Richard Henderson <rth@twiddle.net>
To: Claudio Fontana <claudio.fontana@huawei.com>, qemu-devel@nongnu.org
Cc: claudio.fontana@gmail.com
Subject: Re: [Qemu-devel] [PATCH v3 21/26] tcg-aarch64: Introduce tcg_out_insn_3507
Date: Wed, 09 Apr 2014 10:17:20 -0700 [thread overview]
Message-ID: <534580A0.6030908@twiddle.net> (raw)
In-Reply-To: <534542E8.10006@huawei.com>
On 04/09/2014 05:54 AM, Claudio Fontana wrote:
> During testing I found this patch causes a regression for big endian targets (sparc).
>
> Can you take a look?
> I think it might be related to the extended form of the REV instruction needing
> an additional 0x400. See below.
You're right. It's disassembling as "rev32 x0, x0".
Bizzarely, sparc32 bios was working. I guess it only uses 64-bit load/store
for ldd/std for register pair save and restore. And since we rev'ed them the
same way for load/store, it worked.
Uploading a full mipseb system image to test now.
r~
next prev parent reply other threads:[~2014-04-09 17:17 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-03 19:56 [Qemu-devel] [PATCH v2 00/26] tcg-aarch64 improvements, part 3 Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 01/26] tcg-aarch64: Properly detect SIGSEGV writes Richard Henderson
2014-04-07 7:58 ` Claudio Fontana
2014-04-07 16:33 ` Richard Henderson
2014-04-07 16:39 ` Peter Maydell
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 02/26] tcg-aarch64: Use intptr_t apropriately Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 03/26] tcg-aarch64: Use TCGType and TCGMemOp constants Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 04/26] tcg-aarch64: Use MOVN in tcg_out_movi Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 05/26] tcg-aarch64: Use ORRI " Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 06/26] tcg-aarch64: Special case small constants " Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 07/26] tcg-aarch64: Use adrp " Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 08/26] tcg-aarch64: Use symbolic names for branches Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 09/26] tcg-aarch64: Create tcg_out_brcond Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 10/26] tcg-aarch64: Use CBZ and CBNZ Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 11/26] tcg-aarch64: Reuse LR in translated code Richard Henderson
2014-04-07 8:03 ` Claudio Fontana
2014-04-07 9:49 ` Peter Maydell
2014-04-07 11:11 ` Claudio Fontana
2014-04-07 11:28 ` Peter Maydell
2014-04-11 12:33 ` Claudio Fontana
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 12/26] tcg-aarch64: Introduce tcg_out_insn_3314 Richard Henderson
2014-04-11 12:34 ` Claudio Fontana
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 13/26] tcg-aarch64: Implement tcg_register_jit Richard Henderson
2014-04-11 12:34 ` Claudio Fontana
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 14/26] tcg-aarch64: Avoid add with zero in tlb load Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 15/26] tcg-aarch64: Use tcg_out_call for qemu_ld/st Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 16/26] tcg-aarch64: Use ADR to pass the return address to the ld/st helpers Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 17/26] tcg-aarch64: Use TCGMemOp in qemu_ld/st Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 18/26] tcg-aarch64: Pass qemu_ld/st arguments directly Richard Henderson
2014-04-11 12:34 ` Claudio Fontana
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 19/26] tcg-aarch64: Implement TCG_TARGET_HAS_new_ldst Richard Henderson
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 20/26] tcg-aarch64: Support stores of zero Richard Henderson
2014-04-11 12:34 ` Claudio Fontana
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 21/26] tcg-aarch64: Introduce tcg_out_insn_3507 Richard Henderson
2014-04-09 12:54 ` Claudio Fontana
2014-04-09 17:17 ` Richard Henderson [this message]
2014-04-11 12:36 ` Claudio Fontana
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 22/26] tcg-aarch64: Merge aarch64_ldst_get_data/type into tcg_out_op Richard Henderson
2014-04-11 12:34 ` Claudio Fontana
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 23/26] tcg-aarch64: Replace aarch64_ldst_op_data with TCGMemOp Richard Henderson
2014-04-11 12:35 ` Claudio Fontana
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 24/26] tcg-aarch64: Replace aarch64_ldst_op_data with AArch64LdstType Richard Henderson
2014-04-07 11:45 ` Claudio Fontana
2014-04-07 14:31 ` Richard Henderson
2014-04-11 12:35 ` Claudio Fontana
2014-04-07 18:34 ` [Qemu-devel] [PATCH 27/26] tcg-aarch64: Introduce tcg_out_insn_3312, _3310, _3313 Richard Henderson
2014-04-08 9:00 ` Claudio Fontana
2014-04-11 12:36 ` Claudio Fontana
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 25/26] tcg-aarch64: Prefer unsigned offsets before signed offsets for ldst Richard Henderson
2014-04-11 12:35 ` Claudio Fontana
2014-04-03 19:56 ` [Qemu-devel] [PATCH v3 26/26] tcg-aarch64: Use tcg_out_mov in preference to tcg_out_movr Richard Henderson
2014-04-11 12:36 ` Claudio Fontana
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