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re PR rtl-optimization/71976 (insn-combiner deletes a live 64-bit shift)
authorSegher Boessenkool <segher@kernel.crashing.org>
Fri, 29 Jul 2016 12:34:21 +0000 (14:34 +0200)
committerGeorg-Johann Lay <gjl@gcc.gnu.org>
Fri, 29 Jul 2016 12:34:21 +0000 (12:34 +0000)
commitcc80b225c509c45dadbeccdb154985677e1ae3a3
tree50867daa107ab04b9f7d34e4db17a3c2a3d4d3d8tree | snapshot
parent673a107a4003834ec3d6e8f413bda3c13b6062e7commit | diff
re PR rtl-optimization/71976 (insn-combiner deletes a live 64-bit shift)

gcc/
PR rtl-optimization/71976
* combine.c (get_last_value): Return 0 if the argument for which
the function is called has a wider mode than the recorded value.

Co-Authored-By: Georg-Johann Lay <avr@gjlay.de>
From-SVN: r238863
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gcc/combine.c diff | blob | history
Domain: System / Toolchain;