On Sun, Aug 30, 2015 at 7:16 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> I wrote:
>> I came across some websites suggesting that icc will handle gcc-style
>> asm blocks as long as you give it the -fasm-blocks command line option.
>> It would be awfully nice to get rid of the __INTEL_COMPILER special
>> cases in s_lock.h and the atomics headers --- would someone who has
>> icc at hand check into this theory?
>
> Hmm ... wait a second. The main collection of asm blocks in s_lock.h
> believes that Intel's compiler will take gcc-style asm without any help:
>
> #if defined(__GNUC__) || defined(__INTEL_COMPILER)
>
> It has believed that since 2003. There are just two stanzas in s_lock.h
> that think icc needs its own implementation; one was introduced in 2005
> and the other in 2014, and I'm betting both of them are confused about it.
The 2005 block seems to have been the result of this thread:
http://www.postgresql.org/message-id/flat/200503090429.j294TlG10498@candle.pha.pa.us
That thread seems pretty clear about asm() not working in that
poster's environment.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
