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| author | Peter Bergner <bergner@linux.ibm.com> | 2018-12-13 18:04:11 +0000 |
|---|---|---|
| committer | Peter Bergner <bergner@gcc.gnu.org> | 2018-12-13 12:04:11 -0600 |
| commit | d1573fe051974d73af613b1ccce5dcecc21ee94a (patch) | |
| tree | 77c11c4e0cb30b901606cdc831553b6eede54670 /libitm/config/powerpc | |
| parent | fe0827eed09d14064efe070dc0f4db71bc66bbd4 (diff) | |
| download | gcc-d1573fe051974d73af613b1ccce5dcecc21ee94a.zip gcc-d1573fe051974d73af613b1ccce5dcecc21ee94a.tar.gz gcc-d1573fe051974d73af613b1ccce5dcecc21ee94a.tar.bz2 | |
target.h (htm_available): Add support for PPC_FEATURE2_HTM_NO_SUSPEND.
libitm/
* config/powerpc/target.h (htm_available): Add support for
PPC_FEATURE2_HTM_NO_SUSPEND. Use __builtin_cpu_supports if available.
From-SVN: r267101
Diffstat (limited to 'libitm/config/powerpc')
| -rw-r--r-- | libitm/config/powerpc/target.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/libitm/config/powerpc/target.h b/libitm/config/powerpc/target.h index 8288173..77652a6 100644 --- a/libitm/config/powerpc/target.h +++ b/libitm/config/powerpc/target.h @@ -81,7 +81,20 @@ cpu_relax (void) static inline bool htm_available (void) { - return (getauxval (AT_HWCAP2) & PPC_FEATURE2_HAS_HTM) ? true : false; +#ifdef __BUILTIN_CPU_SUPPORTS__ + if (__builtin_cpu_supports ("htm-no-suspend") + || __builtin_cpu_supports ("htm")) + return true; +#else + unsigned long htm_flags = PPC_FEATURE2_HAS_HTM +#ifdef PPC_FEATURE2_HTM_NO_SUSPEND + | PPC_FEATURE2_HTM_NO_SUSPEND +#endif + | 0; + if (getauxval (AT_HWCAP2) & htm_flags) + return true; +#endif + return false; } static inline uint32_t |