-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 10/28/11 15:07, Alexandre Oliva wrote: > An assertion check meant to verify that var loc expansions that > didn't involve VALUEs (say constants, REGs, etc) didn't push values > onto the dependency stack failed in an expansion of the argp reg, > because equivalences for it are preserved at cselib table resets, > and cselib later tries to expand it to equivalent expressions. > > It's not profitable to expand it within var-tracking, and that's > the only user of the CFA-base special-casing in cselib, so I > arranged for argp to be preserved in expansions, just like other > stack base registers. > > While debugging it, I noticed it was theoretically possible for > the expression depth to remain uninitialized, and added an > initialization and an assertion check to make sure it only remains > zero when no location is found. > > Regstrapped on x86_64-linux-gnu and i686-linux-gnu. Ok to > install? OK. jeff
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