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| author | Przemyslaw Wirkus <przemyslaw.wirkus@arm.com> | 2020-11-03 14:21:32 +0000 |
|---|---|---|
| committer | Przemyslaw Wirkus <przemyslaw.wirkus@arm.com> | 2020-11-03 14:29:31 +0000 |
| commit | fd65497db4098140490e59e3dbf4709da5536081 (patch) | |
| tree | 2f730ad7d7e19dee1420de5a7641dfd59cb717a4 /gas/config | |
| parent | b0d0d02bde06c61969160c0c5a3d7f48daa8b24a (diff) | |
| download | binutils-fd65497db4098140490e59e3dbf4709da5536081.zip binutils-fd65497db4098140490e59e3dbf4709da5536081.tar.gz binutils-fd65497db4098140490e59e3dbf4709da5536081.tar.bz2 | |
[PATCH][GAS] aarch64: Add atomic 64-byte load/store instructions for Armv8.7
Armv8.7 architecture introduces the "accelerator extension", aka
load/store of 64 bytes. New atomic load/store instructions are: LD64B,
ST64B, ST64BV and ST64BV0.
This patch adds:
+ New feature +ls64 to -march command line.
+ New atomic load/store instructions associated with above feature.
For more details regarding atomic 64-byte load/store instruction for
Armv8.7 please refer to Arm A64 Instruction set documentation for
Armv8-A architecture profile, see document page 157 for load
instruction, and pages 414-418 for store instructions of [0].
[0]: https://developer.arm.com/docs/ddi0596/i
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-aarch64.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c index 930a00c..73600e2 100644 --- a/gas/config/tc-aarch64.c +++ b/gas/config/tc-aarch64.c @@ -9206,6 +9206,8 @@ static const struct aarch64_option_cpu_value_table aarch64_features[] = { AARCH64_FEATURE (AARCH64_FEATURE_SVE, 0)}, {"csre", AARCH64_FEATURE (AARCH64_FEATURE_CSRE, 0), AARCH64_ARCH_NONE}, + {"ls64", AARCH64_FEATURE (AARCH64_FEATURE_LS64, 0), + AARCH64_ARCH_NONE}, {NULL, AARCH64_ARCH_NONE, AARCH64_ARCH_NONE}, }; |