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Bug #354

closed

More fine grained atomic support

Added by Victor Julien about 13 years ago. Updated about 13 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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 #1

Updated by Victor Julien about 13 years ago

  • Priority changed from Normal to Low
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 #2

Updated by Victor Julien about 13 years ago

  • Status changed from Assigned to Rejected

We've determined that there is no easy way to handle this and the hardware that is affected is quite old already. So closing the issue.

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