[PATCH v2] target/arm: Rename isar_feature_aa64_atomics

[PATCH v2] target/arm: Rename isar_feature_aa64_atomics

[Richard Henderson]

This is FEAT_LSE -- rename the predicate to match.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20250815122653.701782-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---

Hi Peter, this is to replace the version in your recent PR,
updating bsd-user properly.  Sorry about that.


r~

---
 bsd-user/aarch64/target_arch_elf.h |  2 +-
 target/arm/cpu-features.h          |  2 +-
 linux-user/aarch64/elfload.c       |  2 +-
 target/arm/tcg/translate-a64.c     | 24 ++++++++++++------------
 4 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/bsd-user/aarch64/target_arch_elf.h b/bsd-user/aarch64/target_arch_elf.h
index cc87f475b3..cec254f88b 100644
--- a/bsd-user/aarch64/target_arch_elf.h
+++ b/bsd-user/aarch64/target_arch_elf.h
@@ -114,7 +114,7 @@ static uint32_t get_elf_hwcap(void)
     GET_FEATURE_ID(aa64_sm3, ARM_HWCAP_A64_SM3);
     GET_FEATURE_ID(aa64_sm4, ARM_HWCAP_A64_SM4);
     GET_FEATURE_ID(aa64_fp16, ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP);
-    GET_FEATURE_ID(aa64_atomics, ARM_HWCAP_A64_ATOMICS);
+    GET_FEATURE_ID(aa64_lse, ARM_HWCAP_A64_ATOMICS);
     GET_FEATURE_ID(aa64_rdm, ARM_HWCAP_A64_ASIMDRDM);
     GET_FEATURE_ID(aa64_dp, ARM_HWCAP_A64_ASIMDDP);
     GET_FEATURE_ID(aa64_fcma, ARM_HWCAP_A64_FCMA);
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index d48754bcf2..451b37b5b3 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -406,7 +406,7 @@ static inline bool isar_feature_aa64_crc32(const ARMISARegisters *id)
     return FIELD_EX64_IDREG(id, ID_AA64ISAR0, CRC32) != 0;
 }
 
-static inline bool isar_feature_aa64_atomics(const ARMISARegisters *id)
+static inline bool isar_feature_aa64_lse(const ARMISARegisters *id)
 {
     return FIELD_EX64_IDREG(id, ID_AA64ISAR0, ATOMIC) >= 2;
 }
diff --git a/linux-user/aarch64/elfload.c b/linux-user/aarch64/elfload.c
index dd5f34398a..8bf39c4730 100644
--- a/linux-user/aarch64/elfload.c
+++ b/linux-user/aarch64/elfload.c
@@ -154,7 +154,7 @@ abi_ulong get_elf_hwcap(CPUState *cs)
     GET_FEATURE_ID(aa64_sm3, ARM_HWCAP_A64_SM3);
     GET_FEATURE_ID(aa64_sm4, ARM_HWCAP_A64_SM4);
     GET_FEATURE_ID(aa64_fp16, ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP);
-    GET_FEATURE_ID(aa64_atomics, ARM_HWCAP_A64_ATOMICS);
+    GET_FEATURE_ID(aa64_lse, ARM_HWCAP_A64_ATOMICS);
     GET_FEATURE_ID(aa64_lse2, ARM_HWCAP_A64_USCAT);
     GET_FEATURE_ID(aa64_rdm, ARM_HWCAP_A64_ASIMDRDM);
     GET_FEATURE_ID(aa64_dp, ARM_HWCAP_A64_ASIMDDP);
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 259aa70a36..0ba537268c 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -3237,7 +3237,7 @@ static bool trans_LDXP(DisasContext *s, arg_stxr *a)
 
 static bool trans_CASP(DisasContext *s, arg_CASP *a)
 {
-    if (!dc_isar_feature(aa64_atomics, s)) {
+    if (!dc_isar_feature(aa64_lse, s)) {
         return false;
     }
     if (((a->rt | a->rs) & 1) != 0) {
@@ -3250,7 +3250,7 @@ static bool trans_CASP(DisasContext *s, arg_CASP *a)
 
 static bool trans_CAS(DisasContext *s, arg_CAS *a)
 {
-    if (!dc_isar_feature(aa64_atomics, s)) {
+    if (!dc_isar_feature(aa64_lse, s)) {
         return false;
     }
     gen_compare_and_swap(s, a->rs, a->rt, a->rn, a->sz);
@@ -3743,15 +3743,15 @@ static bool do_atomic_ld(DisasContext *s, arg_atomic *a, AtomicThreeOpFn *fn,
     return true;
 }
 
-TRANS_FEAT(LDADD, aa64_atomics, do_atomic_ld, a, tcg_gen_atomic_fetch_add_i64, 0, false)
-TRANS_FEAT(LDCLR, aa64_atomics, do_atomic_ld, a, tcg_gen_atomic_fetch_and_i64, 0, true)
-TRANS_FEAT(LDEOR, aa64_atomics, do_atomic_ld, a, tcg_gen_atomic_fetch_xor_i64, 0, false)
-TRANS_FEAT(LDSET, aa64_atomics, do_atomic_ld, a, tcg_gen_atomic_fetch_or_i64, 0, false)
-TRANS_FEAT(LDSMAX, aa64_atomics, do_atomic_ld, a, tcg_gen_atomic_fetch_smax_i64, MO_SIGN, false)
-TRANS_FEAT(LDSMIN, aa64_atomics, do_atomic_ld, a, tcg_gen_atomic_fetch_smin_i64, MO_SIGN, false)
-TRANS_FEAT(LDUMAX, aa64_atomics, do_atomic_ld, a, tcg_gen_atomic_fetch_umax_i64, 0, false)
-TRANS_FEAT(LDUMIN, aa64_atomics, do_atomic_ld, a, tcg_gen_atomic_fetch_umin_i64, 0, false)
-TRANS_FEAT(SWP, aa64_atomics, do_atomic_ld, a, tcg_gen_atomic_xchg_i64, 0, false)
+TRANS_FEAT(LDADD, aa64_lse, do_atomic_ld, a, tcg_gen_atomic_fetch_add_i64, 0, false)
+TRANS_FEAT(LDCLR, aa64_lse, do_atomic_ld, a, tcg_gen_atomic_fetch_and_i64, 0, true)
+TRANS_FEAT(LDEOR, aa64_lse, do_atomic_ld, a, tcg_gen_atomic_fetch_xor_i64, 0, false)
+TRANS_FEAT(LDSET, aa64_lse, do_atomic_ld, a, tcg_gen_atomic_fetch_or_i64, 0, false)
+TRANS_FEAT(LDSMAX, aa64_lse, do_atomic_ld, a, tcg_gen_atomic_fetch_smax_i64, MO_SIGN, false)
+TRANS_FEAT(LDSMIN, aa64_lse, do_atomic_ld, a, tcg_gen_atomic_fetch_smin_i64, MO_SIGN, false)
+TRANS_FEAT(LDUMAX, aa64_lse, do_atomic_ld, a, tcg_gen_atomic_fetch_umax_i64, 0, false)
+TRANS_FEAT(LDUMIN, aa64_lse, do_atomic_ld, a, tcg_gen_atomic_fetch_umin_i64, 0, false)
+TRANS_FEAT(SWP, aa64_lse, do_atomic_ld, a, tcg_gen_atomic_xchg_i64, 0, false)
 
 static bool trans_LDAPR(DisasContext *s, arg_LDAPR *a)
 {
@@ -3759,7 +3759,7 @@ static bool trans_LDAPR(DisasContext *s, arg_LDAPR *a)
     TCGv_i64 clean_addr;
     MemOp mop;
 
-    if (!dc_isar_feature(aa64_atomics, s) ||
+    if (!dc_isar_feature(aa64_lse, s) ||
         !dc_isar_feature(aa64_rcpc_8_3, s)) {
         return false;
     }
-- 
2.43.0

Re: [PATCH v2] target/arm: Rename isar_feature_aa64_atomics

[Peter Maydell]

On Sat, 30 Aug 2025 at 05:50, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> This is FEAT_LSE -- rename the predicate to match.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
> Message-id: 20250815122653.701782-6-richard.henderson@linaro.org
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>
> Hi Peter, this is to replace the version in your recent PR,
> updating bsd-user properly.  Sorry about that.

Thanks; I've just updated the PR and re-sent the cover letter.

-- PMM