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(parent: 450c586) | patch
re PR rtl-optimization/54300 (regcprop incorrectly looks through parallel register...
authorRichard Earnshaw <rearnsha@arm.com>
Fri, 10 Jan 2014 16:54:43 +0000 (16:54 +0000)
committerRichard Earnshaw <rearnsha@gcc.gnu.org>
Fri, 10 Jan 2014 16:54:43 +0000 (16:54 +0000)
commit112c0c6117cd4e4c69217db4ce78e1b6a3c145b8
tree5651e2b3677ea2ebf3f9dc013d055da5b681f076tree
parent450c586db768e13ab12471f71b970477719b6c17commit | diff
re PR rtl-optimization/54300 (regcprop incorrectly looks through parallel register swap operation)

PR rtl-optimization/54300

gcc:
* regcprop.c (copyprop_hardreg_forward_1): Ensure any unused
outputs in a single-set are killed from the value chains.
gcc/testsuite:
* gcc.target/arm/pr54300.C: New test.

From-SVN: r206533
gcc/ChangeLog diff | blob | blame | history
gcc/regcprop.c diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.target/arm/pr54300.C [new file with mode: 0644] blob
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