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Re: [PATCH v5 20/54] tcg/arm: Adjust constraints on qemu_ld/st
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From: |
Peter Maydell |
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Subject: |
Re: [PATCH v5 20/54] tcg/arm: Adjust constraints on qemu_ld/st |
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Date: |
Mon, 15 May 2023 17:58:22 +0100 |
On Mon, 15 May 2023 at 15:37, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Always reserve r3 for tlb softmmu lookup. Fix a bug in user-only
> ALL_QLDST_REGS, in that r14 is clobbered by the BLNE that leads
> to the misaligned trap. Remove r0+r1 from user-only ALL_QLDST_REGS;
> I believe these had been reserved for bswap, which we no longer
> perform during qemu_st.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
thanks
-- PMM
- [PATCH v5 10/54] accel/tcg: Use have_atomic16 in ldst_atomicity.c.inc, (continued)
[PATCH v5 20/54] tcg/arm: Adjust constraints on qemu_ld/st, Richard Henderson, 2023/05/15
- Re: [PATCH v5 20/54] tcg/arm: Adjust constraints on qemu_ld/st,
Peter Maydell <=
[PATCH v5 17/54] tcg/ppc: Use full load/store helpers in user-only mode, Richard Henderson, 2023/05/15
[PATCH v5 16/54] tcg/aarch64: Use full load/store helpers in user-only mode, Richard Henderson, 2023/05/15
[PATCH v5 22/54] tcg/mips: Use full load/store helpers in user-only mode, Richard Henderson, 2023/05/15
[PATCH v5 39/54] tcg: Introduce atom_and_align_for_opc, Richard Henderson, 2023/05/15
[PATCH v5 23/54] tcg/s390x: Use full load/store helpers in user-only mode, Richard Henderson, 2023/05/15
[PATCH v5 15/54] tcg/i386: Use full load/store helpers in user-only mode, Richard Henderson, 2023/05/15
[PATCH v5 18/54] tcg/loongarch64: Use full load/store helpers in user-only mode, Richard Henderson, 2023/05/15
[PATCH v5 13/54] tcg/aarch64: Detect have_lse, have_lse2 for darwin, Richard Henderson, 2023/05/15
[PATCH v5 38/54] tcg: Support TCG_TYPE_I128 in tcg_out_{ld, st}_helper_{args, ret}, Richard Henderson, 2023/05/15