http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53881
Markus Trippelsdorf <markus at trippelsdorf dot de> changed:
What |Removed |Added
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CC| |steven at gcc dot gnu.org
--- Comment #2 from Markus Trippelsdorf <markus at trippelsdorf dot de>
2012-07-06 18:18:23 UTC ---
Started with rev.189173:
78b7a67520737f2e029383dd5a89ba8c1c4a3ef9 is the first bad commit
commit 78b7a67520737f2e029383dd5a89ba8c1c4a3ef9
Author: steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon Jul 2 18:50:51 2012 +0000
gcc/
* stmt.c (emit_case_bit_tests): Remove.
(expand_case): Remove expand_switch_using_bit_tests_p code.
* tree-switch-conversion.c (hoist_edge_and_branch_if_true): New.
(MAX_CASE_BIT_TESTS): Moved from stmt.c to here.
(lshift_cheap_p): Likewise.
(expand_switch_using_bit_tests_p): Likewise.
(struct case_bit_test): Likewise.
(case_bit_test_cmp): Likewise.
(emit_case_bit_tests): New implementation for GIMPLE.
(gen_inbound_check): Do not release post-dominator info here.
(process_switch): Reorder code. Expand as bit tests if it
looks like a win.
(do_switchconv): Release post-dominator info here if something
changed.
(struct gimple_opt_pass): Verify more.
* tree.h (expand_switch_using_bit_tests_p): Remove prototype.
testsuite/
* gcc.dg/tree-ssa/pr36881.c: Fix test case to not expand as bit tests.
