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Hello! The problem was that exception_receiver pattern recorded a stack slot that referred to virtual-stack-vars. Recent changes moved generation of exception landing pads after virtuals were instantiated, so in bbpart pass we emitted: (insn 262 266 263 51 (unspec_volatile [ (mem/c:DI (plus:DI (reg/f:DI 65 virtual-stack-vars) (const_int 16 [0x10])) [0 S8 A64]) ] UNSPECV_EHR) 278 {*exception_receiver_2} (nil)) Later passes choked on uninstantiated register. Attached patch defines TARGET_INSTANTIATE_DECLS to also instantiate registers in saved stack slot address. 2011-08-06 Uros Bizjak <ubizjak@gmail.com> PR target/50001 * config/alpha/alpha.c (alpha_instantiate_decls): New function. (TARGET_INSTANTIATE_DECLS): New define. Patch was bootstrapped and regtested on alphaev68-pc-linux-gnu, where fixes g++.dg/tree-prof/partition1.C ICEs in the testsuite. Patch was committed to SVN mainline, will be also committed to release branches. Uros.
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