http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48973
--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-05-23 09:36:09 UTC --- Author: jakub Date: Mon May 23 09:36:05 2011 New Revision: 174060 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174060 Log: PR middle-end/48973 * expr.c (expand_expr_real_2) <case LT_EXPR>: If do_store_flag failed and the comparison has a single bit signed type, use constm1_rtx instead of const1_rtx for true value. (do_store_flag): If ops->type is single bit signed type, disable signel bit test optimization and pass -1 instead of 1 as last parameter to emit_store_flag_force. * gcc.c-torture/execute/pr48973-1.c: New test. * gcc.c-torture/execute/pr48973-2.c: New test. Added: trunk/gcc/testsuite/gcc.c-torture/execute/pr48973-1.c trunk/gcc/testsuite/gcc.c-torture/execute/pr48973-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/expr.c trunk/gcc/testsuite/ChangeLog
