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TREE_OVERFLOW
- From: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- To: gcc at gcc dot gnu dot org
- Date: Tue, 25 May 2004 17:44:11 +0200
- Subject: TREE_OVERFLOW
Hello,
why do we restrict the expression simplification in fold-const.c when
TREE_OVERFLOW occurs? It is very hard to avoid overflows in the loop
optimizer on lno-branch, which causes us to produce unsimplified
expressions like bnd.14_51 - 1 + 0 quite often just because something
overflowed.
Zdenek