On 04/25/2017 09:53 AM, Emilio G. Cota wrote:
This will allow us to prevent cache line false sharing in TCGContext.Before: $ objdump -t build/x86_64-linux-user/qemu-x86_64 | grep tcg_ctx 00000000003ea820 g O .bss 00000000000152d8 tcg_ctx After: $ objdump -t build/x86_64-linux-user/qemu-x86_64 | grep tcg_ctx 00000000003ea880 g O .bss 0000000000015300 tcg_ctx Signed-off-by: Emilio G. Cota <c...@braap.org> --- tcg/tcg.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tcg/tcg.h b/tcg/tcg.h index 6c216bb..5fdbfe3 100644 --- a/tcg/tcg.h +++ b/tcg/tcg.h @@ -727,7 +727,7 @@ struct TCGContext {uint16_t gen_insn_end_off[TCG_MAX_INSNS];target_ulong gen_insn_data[TCG_MAX_INSNS][TARGET_INSN_START_WORDS]; -}; +} QEMU_ALIGNED(64);
Let's drop the alignment and structure re-arrangement for now and focus on the task of goto_ptr.
r~
