diff options
| author | Momchil Velikov <momchil.velikov@arm.com> | 2019-07-31 12:52:17 +0000 |
|---|---|---|
| committer | Momchil Velikov <momchil.velikov@arm.com> | 2019-07-31 12:52:17 +0000 |
| commit | 197b0bf00ddae9f5c22a8eb3d1b3a33a1198484d (patch) | |
| tree | a33610aafc86b8d2f989904b631ad8ba87d3ec51 /lib/Headers | |
| parent | 57eecd1e82552a97d9be307d136da29e94526d1f (diff) | |
| download | clang-197b0bf00ddae9f5c22a8eb3d1b3a33a1198484d.tar.gz | |
[AArch64] Add support for Transactional Memory Extension (TME)
Re-commit r366322 after some fixes
TME is a future architecture technology, documented in
https://developer.arm.com/architectures/cpu-architecture/a-profile/exploration-tools
https://developer.arm.com/docs/ddi0601/a
More about the future architectures:
https://community.arm.com/developer/ip-products/processors/b/processors-ip-blog/posts/new-technologies-for-the-arm-a-profile-architecture
This patch adds support for the TME instructions TSTART, TTEST, TCOMMIT, and
TCANCEL and the target feature/arch extension "tme".
It also implements TME builtin functions, defined in ACLE Q2 2019
(https://developer.arm.com/docs/101028/latest)
Differential Revision: https://reviews.llvm.org/D64416
Patch by Javed Absar and Momchil Velikov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@367428 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Headers')
| -rw-r--r-- | lib/Headers/arm_acle.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/lib/Headers/arm_acle.h b/lib/Headers/arm_acle.h index 096cc261af..0510e6fd80 100644 --- a/lib/Headers/arm_acle.h +++ b/lib/Headers/arm_acle.h @@ -613,7 +613,7 @@ __jcvt(double __a) { #define __arm_wsr64(sysreg, v) __builtin_arm_wsr64(sysreg, v) #define __arm_wsrp(sysreg, v) __builtin_arm_wsrp(sysreg, v) -// Memory Tagging Extensions (MTE) Intrinsics +/* Memory Tagging Extensions (MTE) Intrinsics */ #if __ARM_FEATURE_MEMORY_TAGGING #define __arm_mte_create_random_tag(__ptr, __mask) __builtin_arm_irg(__ptr, __mask) #define __arm_mte_increment_tag(__ptr, __tag_offset) __builtin_arm_addg(__ptr, __tag_offset) @@ -623,6 +623,28 @@ __jcvt(double __a) { #define __arm_mte_ptrdiff(__ptra, __ptrb) __builtin_arm_subp(__ptra, __ptrb) #endif +/* Transactional Memory Extension (TME) Intrinsics */ +#if __ARM_FEATURE_TME + +#define _TMFAILURE_REASON 0x00007fffu +#define _TMFAILURE_RTRY 0x00008000u +#define _TMFAILURE_CNCL 0x00010000u +#define _TMFAILURE_MEM 0x00020000u +#define _TMFAILURE_IMP 0x00040000u +#define _TMFAILURE_ERR 0x00080000u +#define _TMFAILURE_SIZE 0x00100000u +#define _TMFAILURE_NEST 0x00200000u +#define _TMFAILURE_DBG 0x00400000u +#define _TMFAILURE_INT 0x00800000u +#define _TMFAILURE_TRIVIAL 0x01000000u + +#define __tstart() __builtin_arm_tstart() +#define __tcommit() __builtin_arm_tcommit() +#define __tcancel(__arg) __builtin_arm_tcancel(__arg) +#define __ttest() __builtin_arm_ttest() + +#endif /* __ARM_FEATURE_TME */ + #if defined(__cplusplus) } #endif |