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pgsql: Use 4-byte slock_t on both PPC and PPC64.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Use 4-byte slock_t on both PPC and PPC64.
Date: 2012-01-02 05:02:14
Message-ID: E1Rha2I-0007L6-7K@gemulon.postgresql.org (view raw or flat)
Thread:
Lists: pgsql-committers
Use 4-byte slock_t on both PPC and PPC64.

Previously we defined slock_t as 8 bytes on PPC64, but the TAS assembly
code uses word-wide operations regardless, so that the second word was
just wasted space.  There doesn't appear to be any performance benefit
in adding the second word, so get rid of it to simplify the code.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/8496c6cd77e2f5f105fc47315680174157d66647

Modified Files
--------------
src/include/storage/s_lock.h |    5 +----
1 files changed, 1 insertions(+), 4 deletions(-)

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