https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43721
--- Comment #9 from prathamesh3492 at gcc dot gnu.org --- Author: prathamesh3492 Date: Fri Oct 28 19:05:12 2016 New Revision: 241660 URL: https://gcc.gnu.org/viewcvs?rev=241660&root=gcc&view=rev Log: 2016-10-28 Prathamesh Kulkarni <prathamesh.kulka...@linaro.org> Kugan Vivekanandarajah <kug...@linaro.org> Jim Wilson <jim.wil...@linaro.org> PR tree-optimization/43721 * target.def: New hook expand_divmod_libfunc. * doc/tm.texi.in: Add hook for TARGET_EXPAND_DIVMOD_LIBFUNC * doc/tm.texi: Regenerate. * internal-fn.def: Add new entry for DIVMOD ifn. * internal-fn.c (expand_DIVMOD): New. * tree-ssa-math-opts.c: Include optabs-libfuncs.h, tree-eh.h, targhooks.h. (widen_mul_stats): Add new field divmod_calls_inserted. (target_supports_divmod_p): New. (divmod_candidate_p): Likewise. (convert_to_divmod): Likewise. (pass_optimize_widening_mul::execute): Call calculate_dominance_info(), renumber_gimple_stmt_uids() at beginning of function. Call convert_to_divmod() and record stats for divmod. * config/arm/arm.c (arm_expand_divmod_libfunc): Override hook TARGET_EXPAND_DIVMOD_LIBFUNC. * doc/sourcebuild.texi: Add items for arm_divmod_simode, divmod, divmod_simode. testsuite/ * lib/target-supports.exp (check_effective_target_divmod): New. (check_effective_target_divmod_simode): Likewise. (check_effective_target_arm_divmod_simode): Likewise. * gcc.dg/divmod-1-simode.c: New test. * gcc.dg/divmod-1.c: Likewise. * gcc.dg/divmod-2-simode.c: Likewise. * gcc.dg/divmod-2.c: Likewise. * gcc.dg/divmod-3-simode.c: Likewise. * gcc.dg/divmod-3.c: Likewise. * gcc.dg/divmod-4-simode.c: Likewise. * gcc.dg/divmod-4.c: Likewise. * gcc.dg/divmod-5.c: Likewise. * gcc.dg/divmod-6-simode.c: Likewise. * gcc.dg/divmod-6.c: Likewise. * gcc.dg/divmod-7.c: Likewise. Added: trunk/gcc/testsuite/gcc.dg/divmod-1-simode.c trunk/gcc/testsuite/gcc.dg/divmod-1.c trunk/gcc/testsuite/gcc.dg/divmod-2-simode.c trunk/gcc/testsuite/gcc.dg/divmod-2.c trunk/gcc/testsuite/gcc.dg/divmod-3-simode.c trunk/gcc/testsuite/gcc.dg/divmod-3.c trunk/gcc/testsuite/gcc.dg/divmod-4-simode.c trunk/gcc/testsuite/gcc.dg/divmod-4.c trunk/gcc/testsuite/gcc.dg/divmod-5.c trunk/gcc/testsuite/gcc.dg/divmod-6-simode.c trunk/gcc/testsuite/gcc.dg/divmod-6.c trunk/gcc/testsuite/gcc.dg/divmod-7.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/arm/arm.c trunk/gcc/doc/sourcebuild.texi trunk/gcc/doc/tm.texi trunk/gcc/doc/tm.texi.in trunk/gcc/internal-fn.c trunk/gcc/internal-fn.def trunk/gcc/target.def trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/lib/target-supports.exp trunk/gcc/tree-ssa-math-opts.c
