* MIPS: cleanup assembler reader, MIPS references allow only a single register in parentheses.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25768 3ad0048d-3df7-0310-abae-a5850022a9f2
* MIPS setjmp/longjmp: save/restore nonvolatile FPU registers and FPU control word.
* Fixed longjmp return value, it should never be zero.


git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25769 3ad0048d-3df7-0310-abae-a5850022a9f2