Re: MIPS: comparison modes in conditional branches

2005-12-06 Thread Adam Nemet
Jim Wilson writes: > Yes, it looks like fixing the combiner problem would make it possible to > remove the mistaken mode checks. Thanks very much, Jim. I will work toward removing these then. Adam

Re: MIPS: comparison modes in conditional branches

2005-12-05 Thread Jim Wilson
Adam Nemet wrote: Now if I am correct and this last thing is really a bug then the obvious question is whether it has anything to do with the more restrictive form for conditional branches on MIPS64? And of course if I fix it then whether it would be OK to lift the mode restrictions in the condi

MIPS: comparison modes in conditional branches

2005-12-04 Thread Adam Nemet
Hi, I am trying to understand why the MIPS backend's handling of comparison modes seems to be different from what rtl.texi says: The mode of the comparison operation is independent of the mode of the data being compared. If the comparison operation is being tested (e.g., the first operand