Reviewed-by: Claudio Fontana <claudio.font...@huawei.com>
On 03.09.2014 18:46, Richard Henderson wrote:
> Use 1 32-bit word instead of 6.
>
> Signed-off-by: Richard Henderson <r...@twiddle.net>
> ---
> tcg/tcg-be-ldst.h | 19 ++++++++++++-------
> 1 file changed, 12 insertions(+), 7 deletions(-)
>
> diff --git a/tcg/tcg-be-ldst.h b/tcg/tcg-be-ldst.h
> index 49b3de6..904eeda 100644
> --- a/tcg/tcg-be-ldst.h
> +++ b/tcg/tcg-be-ldst.h
> @@ -23,14 +23,19 @@
> #ifdef CONFIG_SOFTMMU
> #define TCG_MAX_QEMU_LDST 640
>
> +QEMU_BUILD_BUG_ON(TCG_TARGET_NB_REGS > 32);
> +QEMU_BUILD_BUG_ON(NB_MMU_MODES > 8);
> +
> typedef struct TCGLabelQemuLdst {
> - bool is_ld:1; /* qemu_ld: true, qemu_st: false */
> - TCGMemOp opc:4;
> - TCGReg addrlo_reg; /* reg index for low word of guest virtual addr
> */
> - TCGReg addrhi_reg; /* reg index for high word of guest virtual addr
> */
> - TCGReg datalo_reg; /* reg index for low word to be loaded or stored
> */
> - TCGReg datahi_reg; /* reg index for high word to be loaded or
> stored */
> - int mem_index; /* soft MMU memory index */
> + TCGMemOp opc : 4;
> + bool is_ld : 1; /* qemu_ld: true, qemu_st: false */
> + TCGReg addrlo_reg : 5; /* reg index for low word of guest virtual addr
> */
> + TCGReg addrhi_reg : 5; /* reg index for high word of guest virtual addr
> */
> + TCGReg datalo_reg : 5; /* reg index for low word to be loaded or stored
> */
> + TCGReg datahi_reg : 5; /* reg index for high word to be loaded or
> stored */
> + unsigned mem_index : 3; /* soft MMU memory index */
> + /* 4 bits unused in 32-bit word */
> +
> tcg_insn_unit *raddr; /* gen code addr of the next IR of qemu_ld/st IR
> */
> tcg_insn_unit *label_ptr[2]; /* label pointers to be updated */
> } TCGLabelQemuLdst;
>
