[PATCH 7/8] target/s390x: Inline translator_lduw() and translator_ldl()

Philippe Mathieu-Daudé posted 8 patches 1 month, 2 weeks ago
Maintainers: Laurent Vivier <laurent@vivier.eu>, Halil Pasic <pasic@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Farhan Ali <alifm@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Ilya Leoshkevich <iii@linux.ibm.com>, David Hildenbrand <david@kernel.org>, Matthew Rosato <mjrosato@linux.ibm.com>, "Michael S. Tsirkin" <mst@redhat.com>, Cornelia Huck <cohuck@redhat.com>
[PATCH 7/8] target/s390x: Inline translator_lduw() and translator_ldl()
Posted by Philippe Mathieu-Daudé 1 month, 2 weeks ago
translator_lduw() and translator_ldl() are defined in
"exec/translator.h" as:

  192 static inline uint16_t
  193 translator_lduw(CPUArchState *env, DisasContextBase *db, vaddr pc)
  194 {
  195     return translator_lduw_end(env, db, pc, MO_TE);
  196 }

  198 static inline uint32_t
  199 translator_ldl(CPUArchState *env, DisasContextBase *db, vaddr pc)
  200 {
  201     return translator_ldl_end(env, db, pc, MO_TE);
  202 }

Directly use the inlined form, expanding MO_TE -> MO_BE
since we only build the S390x target as big-endian.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/s390x/tcg/translate.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index db2276f1cfc..e38607ee18c 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -365,13 +365,13 @@ static void update_cc_op(DisasContext *s)
 static inline uint64_t ld_code2(CPUS390XState *env, DisasContext *s,
                                 uint64_t pc)
 {
-    return (uint64_t)translator_lduw(env, &s->base, pc);
+    return (uint64_t) translator_lduw_end(env, &s->base, pc, MO_BE);
 }
 
 static inline uint64_t ld_code4(CPUS390XState *env, DisasContext *s,
                                 uint64_t pc)
 {
-    return (uint64_t)(uint32_t)translator_ldl(env, &s->base, pc);
+    return (uint64_t)(uint32_t) translator_ldl_end(env, &s->base, pc, MO_BE);
 }
 
 static int get_mem_index(DisasContext *s)
@@ -6408,7 +6408,7 @@ static void s390x_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
 static target_ulong get_next_pc(CPUS390XState *env, DisasContext *s,
                                 uint64_t pc)
 {
-    uint64_t insn = translator_lduw(env, &s->base, pc);
+    uint64_t insn = translator_lduw_end(env, &s->base, pc, MO_BE);
 
     return pc + get_ilen((insn >> 8) & 0xff);
 }
-- 
2.52.0


Re: [PATCH 7/8] target/s390x: Inline translator_lduw() and translator_ldl()
Posted by Manos Pitsidianakis 1 month, 1 week ago
On Wed, Dec 24, 2025 at 6:21 PM Philippe Mathieu-Daudé
<philmd@linaro.org> wrote:
>
> translator_lduw() and translator_ldl() are defined in
> "exec/translator.h" as:
>
>   192 static inline uint16_t
>   193 translator_lduw(CPUArchState *env, DisasContextBase *db, vaddr pc)
>   194 {
>   195     return translator_lduw_end(env, db, pc, MO_TE);
>   196 }
>
>   198 static inline uint32_t
>   199 translator_ldl(CPUArchState *env, DisasContextBase *db, vaddr pc)
>   200 {
>   201     return translator_ldl_end(env, db, pc, MO_TE);
>   202 }
>
> Directly use the inlined form, expanding MO_TE -> MO_BE
> since we only build the S390x target as big-endian.
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---

Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>


>  target/s390x/tcg/translate.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
> index db2276f1cfc..e38607ee18c 100644
> --- a/target/s390x/tcg/translate.c
> +++ b/target/s390x/tcg/translate.c
> @@ -365,13 +365,13 @@ static void update_cc_op(DisasContext *s)
>  static inline uint64_t ld_code2(CPUS390XState *env, DisasContext *s,
>                                  uint64_t pc)
>  {
> -    return (uint64_t)translator_lduw(env, &s->base, pc);
> +    return (uint64_t) translator_lduw_end(env, &s->base, pc, MO_BE);
>  }
>
>  static inline uint64_t ld_code4(CPUS390XState *env, DisasContext *s,
>                                  uint64_t pc)
>  {
> -    return (uint64_t)(uint32_t)translator_ldl(env, &s->base, pc);
> +    return (uint64_t)(uint32_t) translator_ldl_end(env, &s->base, pc, MO_BE);
>  }
>
>  static int get_mem_index(DisasContext *s)
> @@ -6408,7 +6408,7 @@ static void s390x_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
>  static target_ulong get_next_pc(CPUS390XState *env, DisasContext *s,
>                                  uint64_t pc)
>  {
> -    uint64_t insn = translator_lduw(env, &s->base, pc);
> +    uint64_t insn = translator_lduw_end(env, &s->base, pc, MO_BE);
>
>      return pc + get_ilen((insn >> 8) & 0xff);
>  }
> --
> 2.52.0
>