diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2020-06-25 20:31:31 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-06-26 14:31:12 +0100 |
| commit | 206adacfb8d35e671e3619591608c475aa046b63 (patch) | |
| tree | 44ed93ca28ab3c527316dc4fcc1d680bd3600b63 /target/arm/internals.h | |
| parent | 149d3b31f3f0f7f9e1c3a77043450a95c7a7e93d (diff) | |
target/arm: Add mte helpers for sve scalar + int loads
Because the elements are sequential, we can eliminate many tests all
at once when the tag hits TCMA, or if the page(s) are not Tagged.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200626033144.790098-34-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/internals.h')
| -rw-r--r-- | target/arm/internals.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/target/arm/internals.h b/target/arm/internals.h index c763a23dfb..3306c4f829 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1310,6 +1310,12 @@ void arm_log_exception(int idx); #define LOG2_TAG_GRANULE 4 #define TAG_GRANULE (1 << LOG2_TAG_GRANULE) +/* + * The SVE simd_data field, for memory ops, contains either + * rd (5 bits) or a shift count (2 bits). + */ +#define SVE_MTEDESC_SHIFT 5 + /* Bits within a descriptor passed to the helper_mte_check* functions. */ FIELD(MTEDESC, MIDX, 0, 4) FIELD(MTEDESC, TBI, 4, 2) |