32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
2013-04-19 Richard Biener <rguenther@suse.de>
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PR tree-optimization/57000
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* tree-ssa-reassoc.c (pass_reassoc): Add TODO_update_ssa_only_virtuals.
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* gcc.dg/tree-ssa/reassoc-27.c: New testcase.
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--- gcc/tree-ssa-reassoc.c (revision 198086)
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+++ gcc/tree-ssa-reassoc.c (revision 198087)
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@@ -4293,6 +4293,7 @@ struct gimple_opt_pass pass_reassoc =
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0, /* properties_destroyed */
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0, /* todo_flags_start */
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TODO_verify_ssa
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+ | TODO_update_ssa_only_virtuals
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| TODO_verify_flow
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| TODO_ggc_collect /* todo_flags_finish */
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}
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--- gcc/testsuite/gcc.dg/tree-ssa/reassoc-27.c (revision 0)
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+++ gcc/testsuite/gcc.dg/tree-ssa/reassoc-27.c (revision 198087)
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@@ -0,0 +1,11 @@
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+/* { dg-do compile } */
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+/* { dg-options "-O -ffast-math -frounding-math -fdump-tree-optimized" } */
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+
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+double baz (double foo, double bar)
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+{
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+ return foo * foo * foo * foo * bar * bar * bar * bar;
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+}
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+
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+/* We should re-associate this as (foo * bar)**3. */
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+/* { dg-final { scan-tree-dump-times " \\\* " 3 "optimized" } } */
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+/* { dg-final { cleanup-tree-dump "optimized" } } */
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