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45a3277149
For pointers I forgot that BIT_IOR_EXPR is not valid so when I added the pattern to convert `max<a,b> != 0` (r15-5356), GCC would start to ICEing saying pointer types were not valid for BIT_IOR_EXPR. This fixes the problem by casting to the unsigned type of the inner type. There was another way of fixing this to handling it as `a == 0 & b == 0` but both match and reassoication (for pointers) will then convert it back into the form I am creating here so let's just use that form instead. Bootstrapped and tested on x86_64-linux-gnu. PR tree-optimization/117646 gcc/ChangeLog: * match.pd (`max<a,b>==0`): Add casts to `unsigned type`. gcc/testsuite/ChangeLog: * gcc.dg/torture/minmaxneeqptr-1.c: New test. Signed-off-by: Andrew Pinski <quic_apinski@quicinc.com> |
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