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2011-07-06revert: simplify-rtx.c (simplify_const_binary_operation): Use the shift_trunc...Bernd Schmidt1-2/+4
2011-07-06explow.c (trunc_int_for_mode): Use GET_MODE_PRECISION instead of GET_MODE_BIT...Bernd Schmidt1-128/+129
2011-07-06machmode.h (HWI_COMPUTABLE_MODE_P): New macro.Bernd Schmidt1-45/+38
2011-07-06emit-rtl.c (paradoxical_subreg_p): New function.Bernd Schmidt1-14/+7
2011-07-06machmode.h (TRULY_NOOP_TRUNCATION_MODES_P): New macro.Bernd Schmidt1-15/+9
2011-07-06cse.c (find_comparison_args): Use val_mode_signbit_set_p.Bernd Schmidt1-37/+15
2011-07-06simplify-rtx.c (simplify_const_binary_operation): Use the shift_truncation_ma...Bernd Schmidt1-4/+2
2011-07-04re PR rtl-optimization/49619 (ICE in simplify_subreg, at simplify-rtx.c:5362)Jakub Jelinek1-2/+7
2011-06-20Don't check zero/sign extended hard registers.H.J. Lu1-6/+0
2011-06-20Check zero/sign extended hard registers.H.J. Lu1-0/+6
2011-06-14dumping cleanup phase 1 -- Removing TODO_dump_funcDavid Li1-1/+0
2011-06-06re PR rtl-optimization/49145 (ICE in simplify_const_unary_operation, at simpl...Richard Sandiford1-1/+14
2011-05-08combine.c (simplify_comparison): Abstract out parts into...Chung-Lin Tang1-217/+268
2011-05-04re PR debug/47994 (-fcompare-debug failure with -O2 -fpeel-loops -fno-rerun-c...Alexandre Oliva1-3/+3
2011-04-25combine.c (combine_simplify_rtx): Avoid mis-simplifying conditionals for STOR...Maxim Kuvyrkov1-1/+4
2011-04-15combine.c (subst, [...]): Add new argument, use it to track processing of con...Maxim Kuvyrkov1-28/+42
2011-04-12combine.c (update_cfg_for_uncondjump): Instead of testing at_end assert it is...Jakub Jelinek1-5/+6
2011-04-12re PR rtl-optimization/48549 (Combiner ICE with -g)Jakub Jelinek1-4/+11
2011-04-08combine.c (combine_validate_cost): Adjust comments.Eric Botcazou1-13/+15
2011-04-07re PR debug/48343 (ICE compiling i586 linux-2.6.38/drivers/staging/wlan-ng/p8...Jakub Jelinek1-26/+48
2011-04-05re PR bootstrap/48469 (bootstrap failure)Nathan Froyd1-0/+2
2011-04-05fix compilation on AUTO_INC_DEC targetsNathan Froyd1-9/+14
2011-04-05combine.c: Include obstack.h.Nathan Froyd1-125/+133
2011-04-03* combine.c (try_combine): Remove useless local variable.Eric Botcazou1-16/+6
2011-03-22combine.c (simplify_set): Try harder to find the best CC mode when simplifyin...Eric Botcazou1-1/+15
2011-03-18combine.c (try_combine): Do simplification only call of subst() on i2 even wh...Chung-Lin Tang1-6/+4
2011-03-17Revert the last change on cant_combine_insn_p.H.J. Lu1-6/+0
2011-03-17Check zero/sign extended hard registers.H.J. Lu1-0/+6
2011-02-15Revert cant_combine_insn_p change.H.J. Lu1-6/+0
2011-02-15Check zero/sign extended hard registers.H.J. Lu1-0/+6
2011-02-10re PR target/47665 (ICE in trunc_int_for_mode)Jakub Jelinek1-1/+2
2011-02-06invoke.texi: Remove reference to compiler internals from user documentation.Steven Bosscher1-4/+0
2011-01-26re PR rtl-optimization/46878 (V850 ICE in in maybe_add_or_update_dep_1, at sc...DJ Delorie1-1/+7
2011-01-03re PR rtl-optimization/47157 (ICE: in calc_dfs_tree, at dominance.c:395 with -O)Jakub Jelinek1-2/+11
2010-11-30hwint.c: New.Joseph Myers1-1/+0
2010-11-25re PR middle-end/46637 (SIGSEGV in if_then_else_cond - too deep recursion)Jakub Jelinek1-2/+4
2010-11-17re PR rtl-optimization/46440 (ICE: in rtl_verify_flow_info, at cfgrtl.c:2165 ...Jakub Jelinek1-1/+19
2010-11-16re PR rtl-optimization/46490 (ACATS c460007 fails at -O2 or above)Eric Botcazou1-3/+3
2010-11-03combine.c (try_combine): Fix formatting issues, improve comments and fix a pa...Eric Botcazou1-19/+29
2010-11-03re PR rtl-optimization/46034 (internal compiler error: segmentation fault)Jakub Jelinek1-4/+9
2010-10-28combine.c (set_nonzero_bits_and_sign_copies): Use unsigned arithmetics in mas...Eric Botcazou1-110/+112
2010-10-25combine.c (try_combine): If insns need to be kept around...Jie Zhang1-0/+12
2010-10-19re PR rtl-optimization/45966 (Incorrect combiner transformation.)Bernd Schmidt1-0/+2
2010-10-06re PR rtl-optimization/45394 (gnat fails to build on s390, trunk 20100918)Eric Botcazou1-59/+37
2010-09-29optc-gen.awk: Generate global_options initializer instead of individual varia...Joseph Myers1-3/+3
2010-09-20re PR rtl-optimization/45695 (-O1 wrong-code by cmove)Jakub Jelinek1-52/+24
2010-09-13re PR rtl-optimization/45617 (optimize bit shift+compare at RTL level)Jakub Jelinek1-13/+26
2010-09-06combine.c (try_combine): Set subst_low_luid to i0.Andreas Krebbel1-1/+1
2010-09-02target.def (class_likely_spilled_p): New hook.Anatoly Sokolov1-7/+7
2010-08-25re PR rtl-optimization/44858 (likely integer wrong code bug)Jakub Jelinek1-1/+52
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