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Re: [PATCH 06/28] cputlb: Rename helper_ret_ld*_cmmu to cpu_ld*_code


From: Aleksandar Markovic
Subject: Re: [PATCH 06/28] cputlb: Rename helper_ret_ld*_cmmu to cpu_ld*_code
Date: Thu, 12 Dec 2019 10:33:19 +0100

On Thu, Dec 12, 2019 at 5:07 AM Richard Henderson
<address@hidden> wrote:
>
> There are no uses of the *_cmmu names other than the bare wrapping
> within the *_code inlines.  Therefore rename the functions so we
> can drop the inlines.
>
> Use abi_ptr instead of target_ulong in preparation for user-only;
> the two types are identical for softmmu.
>
> Signed-off-by: Richard Henderson <address@hidden>
> ---

Reviewed-by: Aleksandar Markovic <address@hidden>

>  include/exec/cpu_ldst.h          | 29 ++++------
>  include/exec/cpu_ldst_template.h | 21 -------
>  tcg/tcg.h                        | 29 ----------
>  accel/tcg/cputlb.c               | 94 ++++++++------------------------
>  docs/devel/loads-stores.rst      |  4 +-
>  5 files changed, 36 insertions(+), 141 deletions(-)
>
> diff --git a/include/exec/cpu_ldst.h b/include/exec/cpu_ldst.h
> index 399ff6c3da..ef59ed61e4 100644
> --- a/include/exec/cpu_ldst.h
> +++ b/include/exec/cpu_ldst.h
> @@ -450,25 +450,20 @@ void cpu_stq_mmuidx_ra(CPUArchState *env, abi_ptr addr, 
> uint64_t val,
>  #undef CPU_MMU_INDEX
>  #undef MEMSUFFIX
>
> -#define CPU_MMU_INDEX (cpu_mmu_index(env, true))
> -#define MEMSUFFIX _code
> -#define SOFTMMU_CODE_ACCESS
> +uint32_t cpu_ldub_code(CPUArchState *env, abi_ptr addr);
> +uint32_t cpu_lduw_code(CPUArchState *env, abi_ptr addr);
> +uint32_t cpu_ldl_code(CPUArchState *env, abi_ptr addr);
> +uint64_t cpu_ldq_code(CPUArchState *env, abi_ptr addr);
>
> -#define DATA_SIZE 1
> -#include "exec/cpu_ldst_template.h"
> +static inline int cpu_ldsb_code(CPUArchState *env, abi_ptr addr)
> +{
> +    return (int8_t)cpu_ldub_code(env, addr);
> +}
>
> -#define DATA_SIZE 2
> -#include "exec/cpu_ldst_template.h"
> -
> -#define DATA_SIZE 4
> -#include "exec/cpu_ldst_template.h"
> -
> -#define DATA_SIZE 8
> -#include "exec/cpu_ldst_template.h"
> -
> -#undef CPU_MMU_INDEX
> -#undef MEMSUFFIX
> -#undef SOFTMMU_CODE_ACCESS
> +static inline int cpu_ldsw_code(CPUArchState *env, abi_ptr addr)
> +{
> +    return (int16_t)cpu_lduw_code(env, addr);
> +}
>
>  #endif /* defined(CONFIG_USER_ONLY) */
>
> diff --git a/include/exec/cpu_ldst_template.h 
> b/include/exec/cpu_ldst_template.h
> index ea39e29c19..e400979f23 100644
> --- a/include/exec/cpu_ldst_template.h
> +++ b/include/exec/cpu_ldst_template.h
> @@ -58,25 +58,6 @@
>
>  /* generic load/store macros */
>
> -#ifdef SOFTMMU_CODE_ACCESS
> -
> -static inline RES_TYPE
> -glue(glue(cpu_ld, USUFFIX), _code)(CPUArchState *env, target_ulong ptr)
> -{
> -    TCGMemOpIdx oi = make_memop_idx(MO_TE | SHIFT, CPU_MMU_INDEX);
> -    return glue(glue(helper_ret_ld, USUFFIX), _cmmu)(env, ptr, oi, 0);
> -}
> -
> -#if DATA_SIZE <= 2
> -static inline int
> -glue(glue(cpu_lds, SUFFIX), _code)(CPUArchState *env, target_ulong ptr)
> -{
> -    return (DATA_STYPE)glue(glue(cpu_ld, USUFFIX), _code)(env, ptr);
> -}
> -#endif
> -
> -#else
> -
>  static inline RES_TYPE
>  glue(glue(glue(cpu_ld, USUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
>                                                    target_ulong ptr,
> @@ -127,8 +108,6 @@ glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(CPUArchState *env, 
> target_ulong ptr,
>      glue(glue(cpu_st, SUFFIX), _mmuidx_ra)(env, ptr, v, CPU_MMU_INDEX, 0);
>  }
>
> -#endif /* !SOFTMMU_CODE_ACCESS */
> -
>  #undef RES_TYPE
>  #undef DATA_TYPE
>  #undef DATA_STYPE
> diff --git a/tcg/tcg.h b/tcg/tcg.h
> index 92ca10dffc..3b4f79301c 100644
> --- a/tcg/tcg.h
> +++ b/tcg/tcg.h
> @@ -1290,27 +1290,6 @@ void helper_be_stl_mmu(CPUArchState *env, target_ulong 
> addr, uint32_t val,
>  void helper_be_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
>                         TCGMemOpIdx oi, uintptr_t retaddr);
>
> -uint8_t helper_ret_ldub_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr);
> -int8_t helper_ret_ldsb_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr);
> -uint16_t helper_le_lduw_cmmu(CPUArchState *env, target_ulong addr,
> -                             TCGMemOpIdx oi, uintptr_t retaddr);
> -int16_t helper_le_ldsw_cmmu(CPUArchState *env, target_ulong addr,
> -                             TCGMemOpIdx oi, uintptr_t retaddr);
> -uint32_t helper_le_ldl_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr);
> -uint64_t helper_le_ldq_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr);
> -uint16_t helper_be_lduw_cmmu(CPUArchState *env, target_ulong addr,
> -                             TCGMemOpIdx oi, uintptr_t retaddr);
> -int16_t helper_be_ldsw_cmmu(CPUArchState *env, target_ulong addr,
> -                             TCGMemOpIdx oi, uintptr_t retaddr);
> -uint32_t helper_be_ldl_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr);
> -uint64_t helper_be_ldq_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr);
> -
>  /* Temporary aliases until backends are converted.  */
>  #ifdef TARGET_WORDS_BIGENDIAN
>  # define helper_ret_ldsw_mmu  helper_be_ldsw_mmu
> @@ -1322,10 +1301,6 @@ uint64_t helper_be_ldq_cmmu(CPUArchState *env, 
> target_ulong addr,
>  # define helper_ret_stw_mmu   helper_be_stw_mmu
>  # define helper_ret_stl_mmu   helper_be_stl_mmu
>  # define helper_ret_stq_mmu   helper_be_stq_mmu
> -# define helper_ret_lduw_cmmu  helper_be_lduw_cmmu
> -# define helper_ret_ldsw_cmmu  helper_be_ldsw_cmmu
> -# define helper_ret_ldl_cmmu  helper_be_ldl_cmmu
> -# define helper_ret_ldq_cmmu  helper_be_ldq_cmmu
>  #else
>  # define helper_ret_ldsw_mmu  helper_le_ldsw_mmu
>  # define helper_ret_lduw_mmu  helper_le_lduw_mmu
> @@ -1336,10 +1311,6 @@ uint64_t helper_be_ldq_cmmu(CPUArchState *env, 
> target_ulong addr,
>  # define helper_ret_stw_mmu   helper_le_stw_mmu
>  # define helper_ret_stl_mmu   helper_le_stl_mmu
>  # define helper_ret_stq_mmu   helper_le_stq_mmu
> -# define helper_ret_lduw_cmmu  helper_le_lduw_cmmu
> -# define helper_ret_ldsw_cmmu  helper_le_ldsw_cmmu
> -# define helper_ret_ldl_cmmu  helper_le_ldl_cmmu
> -# define helper_ret_ldq_cmmu  helper_le_ldq_cmmu
>  #endif
>
>  uint32_t helper_atomic_cmpxchgb_mmu(CPUArchState *env, target_ulong addr,
> diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
> index 4d3ec1d35a..7d519738bb 100644
> --- a/accel/tcg/cputlb.c
> +++ b/accel/tcg/cputlb.c
> @@ -2028,98 +2028,50 @@ void cpu_stq_mmuidx_ra(CPUArchState *env, 
> target_ulong addr, uint64_t val,
>
>  /* Code access functions.  */
>
> -static uint64_t full_ldub_cmmu(CPUArchState *env, target_ulong addr,
> +static uint64_t full_ldub_code(CPUArchState *env, target_ulong addr,
>                                 TCGMemOpIdx oi, uintptr_t retaddr)
>  {
> -    return load_helper(env, addr, oi, retaddr, MO_8, true, full_ldub_cmmu);
> +    return load_helper(env, addr, oi, retaddr, MO_8, true, full_ldub_code);
>  }
>
> -uint8_t helper_ret_ldub_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr)
> +uint32_t cpu_ldub_code(CPUArchState *env, abi_ptr addr)
>  {
> -    return full_ldub_cmmu(env, addr, oi, retaddr);
> +    TCGMemOpIdx oi = make_memop_idx(MO_UB, cpu_mmu_index(env, true));
> +    return full_ldub_code(env, addr, oi, 0);
>  }
>
> -int8_t helper_ret_ldsb_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr)
> +static uint64_t full_lduw_code(CPUArchState *env, target_ulong addr,
> +                               TCGMemOpIdx oi, uintptr_t retaddr)
>  {
> -    return (int8_t) full_ldub_cmmu(env, addr, oi, retaddr);
> +    return load_helper(env, addr, oi, retaddr, MO_TEUW, true, 
> full_lduw_code);
>  }
>
> -static uint64_t full_le_lduw_cmmu(CPUArchState *env, target_ulong addr,
> -                                  TCGMemOpIdx oi, uintptr_t retaddr)
> +uint32_t cpu_lduw_code(CPUArchState *env, abi_ptr addr)
>  {
> -    return load_helper(env, addr, oi, retaddr, MO_LEUW, true,
> -                       full_le_lduw_cmmu);
> +    TCGMemOpIdx oi = make_memop_idx(MO_TEUW, cpu_mmu_index(env, true));
> +    return full_lduw_code(env, addr, oi, 0);
>  }
>
> -uint16_t helper_le_lduw_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr)
> +static uint64_t full_ldl_code(CPUArchState *env, target_ulong addr,
> +                              TCGMemOpIdx oi, uintptr_t retaddr)
>  {
> -    return full_le_lduw_cmmu(env, addr, oi, retaddr);
> +    return load_helper(env, addr, oi, retaddr, MO_TEUL, true, full_ldl_code);
>  }
>
> -int16_t helper_le_ldsw_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr)
> +uint32_t cpu_ldl_code(CPUArchState *env, abi_ptr addr)
>  {
> -    return (int16_t) full_le_lduw_cmmu(env, addr, oi, retaddr);
> +    TCGMemOpIdx oi = make_memop_idx(MO_TEUL, cpu_mmu_index(env, true));
> +    return full_ldl_code(env, addr, oi, 0);
>  }
>
> -static uint64_t full_be_lduw_cmmu(CPUArchState *env, target_ulong addr,
> -                                  TCGMemOpIdx oi, uintptr_t retaddr)
> +static uint64_t full_ldq_code(CPUArchState *env, target_ulong addr,
> +                              TCGMemOpIdx oi, uintptr_t retaddr)
>  {
> -    return load_helper(env, addr, oi, retaddr, MO_BEUW, true,
> -                       full_be_lduw_cmmu);
> +    return load_helper(env, addr, oi, retaddr, MO_TEQ, true, full_ldq_code);
>  }
>
> -uint16_t helper_be_lduw_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr)
> +uint64_t cpu_ldq_code(CPUArchState *env, abi_ptr addr)
>  {
> -    return full_be_lduw_cmmu(env, addr, oi, retaddr);
> -}
> -
> -int16_t helper_be_ldsw_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr)
> -{
> -    return (int16_t) full_be_lduw_cmmu(env, addr, oi, retaddr);
> -}
> -
> -static uint64_t full_le_ldul_cmmu(CPUArchState *env, target_ulong addr,
> -                                  TCGMemOpIdx oi, uintptr_t retaddr)
> -{
> -    return load_helper(env, addr, oi, retaddr, MO_LEUL, true,
> -                       full_le_ldul_cmmu);
> -}
> -
> -uint32_t helper_le_ldl_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr)
> -{
> -    return full_le_ldul_cmmu(env, addr, oi, retaddr);
> -}
> -
> -static uint64_t full_be_ldul_cmmu(CPUArchState *env, target_ulong addr,
> -                                  TCGMemOpIdx oi, uintptr_t retaddr)
> -{
> -    return load_helper(env, addr, oi, retaddr, MO_BEUL, true,
> -                       full_be_ldul_cmmu);
> -}
> -
> -uint32_t helper_be_ldl_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr)
> -{
> -    return full_be_ldul_cmmu(env, addr, oi, retaddr);
> -}
> -
> -uint64_t helper_le_ldq_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr)
> -{
> -    return load_helper(env, addr, oi, retaddr, MO_LEQ, true,
> -                       helper_le_ldq_cmmu);
> -}
> -
> -uint64_t helper_be_ldq_cmmu(CPUArchState *env, target_ulong addr,
> -                            TCGMemOpIdx oi, uintptr_t retaddr)
> -{
> -    return load_helper(env, addr, oi, retaddr, MO_BEQ, true,
> -                       helper_be_ldq_cmmu);
> +    TCGMemOpIdx oi = make_memop_idx(MO_TEQ, cpu_mmu_index(env, true));
> +    return full_ldq_code(env, addr, oi, 0);
>  }
> diff --git a/docs/devel/loads-stores.rst b/docs/devel/loads-stores.rst
> index c74cd090e6..8a5bc912a5 100644
> --- a/docs/devel/loads-stores.rst
> +++ b/docs/devel/loads-stores.rst
> @@ -171,8 +171,6 @@ more in line with the other memory access functions.
>
>  load: ``helper_{endian}_ld{sign}{size}_mmu(env, addr, opindex, retaddr)``
>
> -load (code): ``helper_{endian}_ld{sign}{size}_cmmu(env, addr, opindex, 
> retaddr)``
> -
>  store: ``helper_{endian}_st{size}_mmu(env, addr, val, opindex, retaddr)``
>
>  ``sign``
> @@ -192,7 +190,7 @@ store: ``helper_{endian}_st{size}_mmu(env, addr, val, 
> opindex, retaddr)``
>   - ``ret`` : target endianness
>
>  Regexes for git grep
> - - ``\<helper_\(le\|be\|ret\)_ld[us]\?[bwlq]_c\?mmu\>``
> + - ``\<helper_\(le\|be\|ret\)_ld[us]\?[bwlq]_mmu\>``
>   - ``\<helper_\(le\|be\|ret\)_st[bwlq]_mmu\>``
>
>  ``address_space_*``
> --
> 2.20.1
>
>



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