fdsu.pack: Correct Underflow logic (!96) · Merge requests · OpenHW Group / backup-20241120 / cvfpu

Eclipse Webmaster requested to merge github/fork/gregdavill/div-underflow into develop Jul 11, 2023

Created by: gregdavill

For the opene906 div/sqrt unit.

Handle correct behavior when executing DIV instruction. Flag underflow if result with unbounded exponent would lie between +/-b^(emin). Even if rounded result is exactly [+/-]01.000000.

Use ex4_denorm_potnt_norm, a flag that is set when a denormal result rounds to a normal result.

Issue #94 (closed)

fdsu.pack: Correct Underflow logic

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