[Patch] PR 61662

[David Wohlferd]

As requested, I am posting this patch to gcc-patches.

Problem description:
The detailed description and examples can be found in pr61662, but in 
short: using "#ifdef __x86_64__" to determine the size of a 'long' does 
not reliably yield the correct result.  This causes _lrotl and _lrotr to 
return incorrect results on LLP64 systems (like Windows).

ChangeLog:
2014-07-09  David Wohlferd <dw@LimeGreenSocks.com>

         PR target/61662
         * config/i386/ia32intrin.h: Use __LP64__ to determine size of long

dw
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