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authorEric Botcazou <ebotcazou@adacore.com>2022-10-07 12:14:30 +0200
committerEric Botcazou <ebotcazou@adacore.com>2022-10-07 12:16:36 +0200
commit7b8a77eba5efbc6d9556f026774fa1447675602c (patch)
treeaebdd1d8d5bc7e843deaa3ac80f5543984623fbf /libgcc
parentffaf244c442c575aadbe1c947e22f791a6f14c96 (diff)
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Reduce DF computation at -O0
Even at -O0 there may be a fair amount of DF computation performed when compiling large units and part of it appears to be useless. gcc/ * function.cc (thread_prologue_and_epilogue_insns): Update only entry and exit blocks when not optimizing. Remove dead statement.
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