Pelles C version 10.00 RC2 by Pelle :
Changes for RC2:
Added atomic floating-point add/sub/mul/div/exchange for X64 targets (missing atomic floating-point post-increment/decrement may be added in a future version).
Fixed IDE problem with environment variables when switching a project between 32 bits and 64 bits.
Fixed compiler problem with missing /arch option check for idiomatic popcount loop, and also added a minor enhancement.
Fixed compiler problem with call unnesting for intrinsic function argument(s).
Fixed compiler problem processing atomic post-increment/decrement on small integer type (< int).
Fixed minor IDE problem with properties for a generic text file.
Fixed IDE problem with missing ES_MULTILINE for some fields in project Options.
Fixed problem with path construction when enough parent references (..) took it above the 'root' of the 'current' directory.
http://www.smorgasbordet.com/pellesc/download.htm
