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29 lines
818 B
29 lines
818 B
2018-12-13 Peter Bergner <bergner@linux.ibm.com> |
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* config/powerpc/target.h (htm_available): Add support for |
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PPC_FEATURE2_HTM_NO_SUSPEND. Use __builtin_cpu_supports if available. |
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--- libitm/config/powerpc/target.h |
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+++ libitm/config/powerpc/target.h |
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@@ -81,7 +81,20 @@ cpu_relax (void) |
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static inline bool |
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htm_available (void) |
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{ |
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- return (getauxval (AT_HWCAP2) & PPC_FEATURE2_HAS_HTM) ? true : false; |
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+#ifdef __BUILTIN_CPU_SUPPORTS__ |
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+ if (__builtin_cpu_supports ("htm-no-suspend") |
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+ || __builtin_cpu_supports ("htm")) |
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+ return true; |
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+#else |
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+ unsigned long htm_flags = PPC_FEATURE2_HAS_HTM |
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+#ifdef PPC_FEATURE2_HTM_NO_SUSPEND |
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+ | PPC_FEATURE2_HTM_NO_SUSPEND |
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+#endif |
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+ | 0; |
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+ if (getauxval (AT_HWCAP2) & htm_flags) |
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+ return true; |
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+#endif |
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+ return false; |
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} |
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static inline uint32_t
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