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Compiler/MSP430F249-EP: fs_add library in DO-178 Context MSP430F249-EP

Part Number: MSP430F249-EP

Tool/software: TI C/C++ Compiler


We use MSP430-F249-EP in project with D0-178C standard with TEXAS compiler (4.3.3)  and then I'm working on test of floating point libraries and I have a problem for fs_add subroutine.

With this standard, I need to demonstrate that all conditions become TRUE then FALSE:

For one of the branch instruction (JL UNDERFLOW line 336) I don't succeed to create a addition to generate a branch to UNERFLOW label with instruction line 336.

Somebody can help me ?