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authorRichard Sandiford <richard.sandiford@linaro.org>2011-03-02 13:25:10 +0000
committerRichard Sandiford <rsandifo@gcc.gnu.org>2011-03-02 13:25:10 +0000
commit34161e98f7d52dcd069e70d7ce0b4f4c901eaa1b (patch)
treeef8fb861ebff6b9fa90feb055763a53d2b76bb0a /gcc/tree-ssa-alias.c
parentb2e2ea671c7653b299435ed4e96c50460bfad48b (diff)
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re PR rtl-optimization/47925 (delete_trivially_dead_insns mishandles volatile mems)
gcc/ PR rtl-optimization/47925 * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions with side effects. Remove the more-specific check for volatile asms. gcc/testsuite/ PR rtl-optimization/47925 * gcc.c-torture/execute/pr47925.c: New test. From-SVN: r170613
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