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Bug #354

closed

More fine grained atomic support

Added by Victor Julien over 12 years ago. Updated over 12 years ago.

Status:
Rejected
Priority:
Low
Assignee:
Eric Leblond
Target version:
1.1rc1
Affected Versions:
Effort:
Difficulty:
Label:

Description

For bug #342 the atomic operations code falls back to spinlocks for any arch that doesn't support __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8. Certain generations of P4 have __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, but not __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8.

We should look into supporting atomic operations for 4 byte int's even if 8 byte int's aren't supported.

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