@@ -10239,6 +10239,7 @@ static const struct aarch64_option_cpu_value_table aarch64_features[] = {
AARCH64_FEATURE (SIMD)},
{"fp", AARCH64_FEATURE (FP), AARCH64_NO_FEATURES},
{"lse", AARCH64_FEATURE (LSE), AARCH64_NO_FEATURES},
+ {"lse128", AARCH64_FEATURES (2, LSE, LSE128), AARCH64_NO_FEATURES},
{"simd", AARCH64_FEATURE (SIMD), AARCH64_FEATURE (FP)},
{"pan", AARCH64_FEATURE (PAN), AARCH64_NO_FEATURES},
{"lor", AARCH64_FEATURE (LOR), AARCH64_NO_FEATURES},
@@ -263,6 +263,8 @@ automatically cause those extensions to be disabled.
@tab Enable Check Feature Status Extension.
@item @code{gcs} @tab N/A @tab No
@tab Enable Guarded Control Stack Extension.
+@item @code{lse128} @Armv9.4-A @tab No
+ @tab Enable the 128-bit Atomic Instructions extension. This implies @code{lse}.
@end multitable
@node AArch64 Syntax
@@ -165,6 +165,8 @@ enum aarch64_feature_bit {
AARCH64_FEATURE_GCS,
/* SME2. */
AARCH64_FEATURE_SME2,
+ /* LSE128. */
+ AARCH64_FEATURE_LSE128,
AARCH64_NUM_FEATURES
};
@@ -855,6 +857,7 @@ enum aarch64_insn_class
log_imm,
log_shift,
lse_atomic,
+ lse128_atomic,
movewide,
pcreladdr,
ic_system,
@@ -2470,6 +2470,8 @@ static const aarch64_feature_set aarch64_feature_crc =
AARCH64_FEATURE (CRC);
static const aarch64_feature_set aarch64_feature_lse =
AARCH64_FEATURE (LSE);
+static const aarch64_feature_set aarch64_feature_lse128 =
+ AARCH64_FEATURES (2, LSE, LSE128);
static const aarch64_feature_set aarch64_feature_lor =
AARCH64_FEATURE (LOR);
static const aarch64_feature_set aarch64_feature_rdma =
@@ -2582,6 +2584,7 @@ static const aarch64_feature_set aarch64_feature_gcs =
#define SIMD &aarch64_feature_simd
#define CRC &aarch64_feature_crc
#define LSE &aarch64_feature_lse
+#define LSE128 &aarch64_feature_lse128
#define LOR &aarch64_feature_lor
#define RDMA &aarch64_feature_rdma
#define FP_F16 &aarch64_feature_fp_f16
@@ -2649,6 +2652,8 @@ static const aarch64_feature_set aarch64_feature_gcs =
{ NAME, OPCODE, MASK, CLASS, 0, CRC, OPS, QUALS, FLAGS, 0, 0, NULL }
#define _LSE_INSN(NAME,OPCODE,MASK,CLASS,OPS,QUALS,FLAGS) \
{ NAME, OPCODE, MASK, CLASS, 0, LSE, OPS, QUALS, FLAGS, 0, 0, NULL }
+#define _LSE128_INSN(NAME,OPCODE,MASK,CLASS,OPS,QUALS,FLAGS) \
+ { NAME, OPCODE, MASK, CLASS, 0, LSE128, OPS, QUALS, FLAGS, 0, 0, NULL }
#define _LOR_INSN(NAME,OPCODE,MASK,CLASS,OPS,QUALS,FLAGS) \
{ NAME, OPCODE, MASK, CLASS, 0, LOR, OPS, QUALS, FLAGS, 0, 0, NULL }
#define RDMA_INSN(NAME,OPCODE,MASK,CLASS,OPS,QUALS,FLAGS) \