it can be worked in NORMAL or SIMPLE calling convention
and in all the optimize level(none, low, medium, high)
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1691 bbd45198-f89e-11dd-88c7-29a3b14d5316
actually context_iar.S is the same as context_iar.asm
but context_iar.S is used for SCONS, and context_iar.asm is used for IAR
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1272 bbd45198-f89e-11dd-88c7-29a3b14d5316
change the m16c assembly extension from s34 to asm
move the m16c porting files to m16c62p directory
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1270 bbd45198-f89e-11dd-88c7-29a3b14d5316