A recent patch increased GCC's memory consumption in some cases!
Jan Hubicka
jh@suse.cz
Tue Apr 17 00:26:00 GMT 2007
Hi,
this is memory report for current tree-ssa branch relative to mainline
from this morning.
See also http://www.suse.de/~gcctest/memory/graphs/, the 3 peaks from 3
times gcctester was switches are quite visible. Detailed dumps are at
http://www.suse.de/~gcctest/memory/results/200704162042/
Honza
> Hi,
>
> I am a friendly script caring about memory consumption in GCC. Please
> contact jh@suse.cz if something is going wrong.
>
> Comparing memory consumption on compilation of combine.i, insn-attrtab.i,
> and generate-3.4.ii I got:
>
>
> comparing empty function compilation at -O0 level:
> Overall memory needed: 7389k -> 7411k
> Peak memory use before GGC: 2263k
> Peak memory use after GGC: 1952k
> Maximum of released memory in single GGC run: 311k
> Garbage: 446k -> 447k
> Leak: 2285k
> Overhead: 456k -> 456k
> GGC runs: 3
>
> comparing empty function compilation at -O0 -g level:
> Overall memory needed: 7405k -> 7427k
> Peak memory use before GGC: 2290k
> Peak memory use after GGC: 1979k
> Maximum of released memory in single GGC run: 311k
> Garbage: 449k -> 449k
> Leak: 2318k
> Overhead: 461k -> 461k
> GGC runs: 3
>
> comparing empty function compilation at -O1 level:
> Overall memory needed: 7517k -> 7519k
> Peak memory use before GGC: 2263k
> Peak memory use after GGC: 1952k
> Maximum of released memory in single GGC run: 311k
> Garbage: 452k -> 452k
> Leak: 2288k
> Overhead: 457k -> 457k
> GGC runs: 4
>
> comparing empty function compilation at -O2 level:
> Overall memory needed: 7525k -> 7527k
> Peak memory use before GGC: 2263k
> Peak memory use after GGC: 1952k
> Maximum of released memory in single GGC run: 311k
> Garbage: 455k -> 455k
> Leak: 2288k
> Overhead: 457k -> 457k
> GGC runs: 4
>
> comparing empty function compilation at -O3 level:
> Overall memory needed: 7525k -> 7527k
> Peak memory use before GGC: 2263k
> Peak memory use after GGC: 1952k
> Maximum of released memory in single GGC run: 311k
> Garbage: 455k -> 455k
> Leak: 2288k
> Overhead: 457k -> 457k
> GGC runs: 4
>
> comparing combine.c compilation at -O0 level:
> Overall memory allocated via mmap and sbrk increased from 17729k to 22619k, overall 27.58%
> Peak amount of GGC memory allocated before garbage collecting increased from 9264k to 9341k, overall 0.83%
> Amount of produced GGC garbage increased from 37096k to 38253k, overall 3.12%
> Overall memory needed: 17729k -> 22619k
> Peak memory use before GGC: 9264k -> 9341k
> Peak memory use after GGC: 8852k -> 8827k
> Maximum of released memory in single GGC run: 2577k -> 2655k
> Garbage: 37096k -> 38253k
> Leak: 6580k -> 6580k
> Overhead: 5053k -> 5375k
> GGC runs: 282 -> 288
>
> comparing combine.c compilation at -O0 -g level:
> Overall memory allocated via mmap and sbrk increased from 19889k to 24587k, overall 23.62%
> Peak amount of GGC memory allocated before garbage collecting increased from 10880k to 11182k, overall 2.78%
> Peak amount of GGC memory still allocated after garbage collecting increased from 10512k to 10579k, overall 0.64%
> Amount of produced GGC garbage increased from 37693k to 38846k, overall 3.06%
> Overall memory needed: 19889k -> 24587k
> Peak memory use before GGC: 10880k -> 11182k
> Peak memory use after GGC: 10512k -> 10579k
> Maximum of released memory in single GGC run: 2351k -> 2661k
> Garbage: 37693k -> 38846k
> Leak: 9465k -> 9473k
> Overhead: 5759k -> 6081k
> GGC runs: 270 -> 272
>
> comparing combine.c compilation at -O1 level:
> Overall memory allocated via mmap and sbrk increased from 35553k to 41227k, overall 15.96%
> Amount of produced GGC garbage increased from 51578k to 57395k, overall 11.28%
> Overall memory needed: 35553k -> 41227k
> Peak memory use before GGC: 19348k -> 19323k
> Peak memory use after GGC: 19155k -> 19127k
> Maximum of released memory in single GGC run: 2272k -> 2077k
> Garbage: 51578k -> 57395k
> Leak: 6615k -> 6609k
> Overhead: 6003k -> 6549k
> GGC runs: 348 -> 352
>
> comparing combine.c compilation at -O2 level:
> Overall memory allocated via mmap and sbrk increased from 39977k to 41711k, overall 4.34%
> Amount of produced GGC garbage increased from 67731k to 69382k, overall 2.44%
> Overall memory needed: 39977k -> 41711k
> Peak memory use before GGC: 19415k -> 19373k
> Peak memory use after GGC: 19213k -> 19179k
> Maximum of released memory in single GGC run: 2199k -> 2159k
> Garbage: 67731k -> 69382k
> Leak: 6729k -> 6732k
> Overhead: 8041k -> 8392k
> GGC runs: 400 -> 404
>
> comparing combine.c compilation at -O3 level:
> Overall memory allocated via mmap and sbrk increased from 44261k to 45207k, overall 2.14%
> Amount of memory still referenced at the end of compilation increased from 6829k to 6843k, overall 0.21%
> Overall memory needed: 44261k -> 45207k
> Peak memory use before GGC: 19713k -> 19484k
> Peak memory use after GGC: 19380k -> 19266k
> Maximum of released memory in single GGC run: 3714k -> 3635k
> Garbage: 92825k -> 90796k
> Leak: 6829k -> 6843k
> Overhead: 11379k -> 11442k
> GGC runs: 426
>
> comparing insn-attrtab.c compilation at -O0 level:
> Overall memory allocated via mmap and sbrk increased from 102849k to 152491k, overall 48.27%
> Peak amount of GGC memory allocated before garbage collecting increased from 68627k to 70324k, overall 2.47%
> Amount of produced GGC garbage increased from 130923k to 136444k, overall 4.22%
> Overall memory needed: 102849k -> 152491k
> Peak memory use before GGC: 68627k -> 70324k
> Peak memory use after GGC: 44730k -> 44191k
> Maximum of released memory in single GGC run: 36429k -> 38126k
> Garbage: 130923k -> 136444k
> Leak: 9583k
> Overhead: 16927k -> 17978k
> GGC runs: 212 -> 223
>
> comparing insn-attrtab.c compilation at -O0 -g level:
> Overall memory allocated via mmap and sbrk increased from 104357k to 153875k, overall 47.45%
> Peak amount of GGC memory allocated before garbage collecting increased from 69788k to 71486k, overall 2.43%
> Amount of produced GGC garbage increased from 132399k to 137667k, overall 3.98%
> Amount of memory still referenced at the end of compilation increased from 11067k to 11291k, overall 2.03%
> Overall memory needed: 104357k -> 153875k
> Peak memory use before GGC: 69788k -> 71486k
> Peak memory use after GGC: 45998k -> 45459k
> Maximum of released memory in single GGC run: 36429k -> 38127k
> Garbage: 132399k -> 137667k
> Leak: 11067k -> 11291k
> Overhead: 17324k -> 18375k
> GGC runs: 210 -> 223
>
> comparing insn-attrtab.c compilation at -O1 level:
> Overall memory allocated via mmap and sbrk increased from 124793k to 190607k, overall 52.74%
> Peak amount of GGC memory allocated before garbage collecting increased from 73426k to 85948k, overall 17.05%
> Peak amount of GGC memory still allocated after garbage collecting increased from 69350k to 80070k, overall 15.46%
> Amount of produced GGC garbage increased from 227633k to 268762k, overall 18.07%
> Overall memory needed: 124793k -> 190607k
> Peak memory use before GGC: 73426k -> 85948k
> Peak memory use after GGC: 69350k -> 80070k
> Maximum of released memory in single GGC run: 32798k -> 32250k
> Garbage: 227633k -> 268762k
> Leak: 9405k -> 9403k
> Overhead: 27090k -> 28313k
> GGC runs: 226 -> 228
>
> comparing insn-attrtab.c compilation at -O2 level:
> Overall memory allocated via mmap and sbrk increased from 195481k to 233267k, overall 19.33%
> Peak amount of GGC memory allocated before garbage collecting increased from 74717k to 87235k, overall 16.75%
> Peak amount of GGC memory still allocated after garbage collecting increased from 69433k to 80140k, overall 15.42%
> Amount of produced GGC garbage increased from 263316k to 302019k, overall 14.70%
> Overall memory needed: 195481k -> 233267k
> Peak memory use before GGC: 74717k -> 87235k
> Peak memory use after GGC: 69433k -> 80140k
> Maximum of released memory in single GGC run: 29994k -> 30040k
> Garbage: 263316k -> 302019k
> Leak: 9402k -> 9401k
> Overhead: 32730k -> 33722k
> GGC runs: 245 -> 248
>
> comparing insn-attrtab.c compilation at -O3 level:
> Overall memory allocated via mmap and sbrk increased from 204829k to 233279k, overall 13.89%
> Peak amount of GGC memory allocated before garbage collecting increased from 84750k to 87249k, overall 2.95%
> Peak amount of GGC memory still allocated after garbage collecting increased from 78009k to 80154k, overall 2.75%
> Amount of produced GGC garbage increased from 292402k to 302705k, overall 3.52%
> Overall memory needed: 204829k -> 233279k
> Peak memory use before GGC: 84750k -> 87249k
> Peak memory use after GGC: 78009k -> 80154k
> Maximum of released memory in single GGC run: 30928k -> 30101k
> Garbage: 292402k -> 302705k
> Leak: 9406k -> 9405k
> Overhead: 33468k -> 33928k
> GGC runs: 246 -> 254
>
> comparing Gerald's testcase PR8361 compilation at -O0 level:
> Overall memory allocated via mmap and sbrk increased from 147069k to 152463k, overall 3.67%
> Amount of produced GGC garbage increased from 207965k to 211766k, overall 1.83%
> Overall memory needed: 147069k -> 152463k
> Peak memory use before GGC: 90233k -> 90246k
> Peak memory use after GGC: 89339k -> 89353k
> Maximum of released memory in single GGC run: 17774k
> Garbage: 207965k -> 211766k
> Leak: 49198k -> 49217k
> Overhead: 23912k -> 25066k
> GGC runs: 410 -> 414
>
> comparing Gerald's testcase PR8361 compilation at -O0 -g level:
> Overall memory allocated via mmap and sbrk increased from 164845k to 174855k, overall 6.07%
> Amount of produced GGC garbage increased from 214474k to 218296k, overall 1.78%
> Overall memory needed: 164845k -> 174855k
> Peak memory use before GGC: 102839k -> 102853k
> Peak memory use after GGC: 101821k -> 101834k
> Maximum of released memory in single GGC run: 18128k -> 18129k
> Garbage: 214474k -> 218296k
> Leak: 72513k -> 72532k
> Overhead: 29808k -> 30963k
> GGC runs: 384 -> 387
>
> comparing Gerald's testcase PR8361 compilation at -O1 level:
> Amount of produced GGC garbage increased from 338448k to 347532k, overall 2.68%
> Overall memory needed: 151337k -> 150860k
> Peak memory use before GGC: 101915k -> 101901k
> Peak memory use after GGC: 100904k -> 100884k
> Maximum of released memory in single GGC run: 17235k -> 17236k
> Garbage: 338448k -> 347532k
> Leak: 50295k -> 50296k
> Overhead: 29925k -> 31198k
> GGC runs: 525 -> 531
>
> comparing Gerald's testcase PR8361 compilation at -O2 level:
> Overall memory needed: 156833k -> 152348k
> Peak memory use before GGC: 102519k -> 102512k
> Peak memory use after GGC: 101504k -> 101495k
> Maximum of released memory in single GGC run: 17232k -> 17233k
> Garbage: 382734k -> 378707k
> Leak: 51011k -> 51032k
> Overhead: 35195k -> 35522k
> GGC runs: 572 -> 569
>
> comparing Gerald's testcase PR8361 compilation at -O3 level:
> Ovarall memory allocated via mmap and sbrk decreased from 159753k to 154504k, overall -3.40%
> Amount of produced GGC garbage decreased from 412741k to 397705k, overall -3.78%
> Overall memory needed: 159753k -> 154504k
> Peak memory use before GGC: 104341k -> 104309k
> Peak memory use after GGC: 103298k -> 103276k
> Maximum of released memory in single GGC run: 17648k -> 17610k
> Garbage: 412741k -> 397705k
> Leak: 51296k -> 51318k
> Overhead: 37520k -> 37069k
> GGC runs: 587 -> 574
>
> comparing PR rtl-optimization/28071 testcase compilation at -O0 level:
> Overall memory allocated via mmap and sbrk increased from 244781k to 344835k, overall 40.87%
> Amount of produced GGC garbage increased from 142205k to 146874k, overall 3.28%
> Overall memory needed: 244781k -> 344835k
> Peak memory use before GGC: 80963k -> 80256k
> Peak memory use after GGC: 58702k -> 57995k
> Maximum of released memory in single GGC run: 44134k -> 46504k
> Garbage: 142205k -> 146874k
> Leak: 7613k -> 7421k
> Overhead: 24559k -> 26766k
> GGC runs: 79
>
> comparing PR rtl-optimization/28071 testcase compilation at -O0 -g level:
> Overall memory allocated via mmap and sbrk increased from 245593k to 345731k, overall 40.77%
> Amount of produced GGC garbage increased from 142415k to 147084k, overall 3.28%
> Overall memory needed: 245593k -> 345731k
> Peak memory use before GGC: 81609k -> 80902k
> Peak memory use after GGC: 59348k -> 58641k
> Maximum of released memory in single GGC run: 44123k -> 46569k
> Garbage: 142415k -> 147084k
> Leak: 9381k -> 9188k
> Overhead: 25054k -> 27261k
> GGC runs: 89 -> 88
>
> comparing PR rtl-optimization/28071 testcase compilation at -O1 level:
> Overall memory allocated via mmap and sbrk increased from 253625k to 304723k, overall 20.15%
> Amount of produced GGC garbage increased from 221602k to 231868k, overall 4.63%
> Overall memory needed: 253625k -> 304723k
> Peak memory use before GGC: 84262k -> 84146k
> Peak memory use after GGC: 74847k
> Maximum of released memory in single GGC run: 36149k -> 34777k
> Garbage: 221602k -> 231868k
> Leak: 20856k -> 20856k
> Overhead: 30442k -> 33286k
> GGC runs: 81
>
> comparing PR rtl-optimization/28071 testcase compilation at -O2 level:
> Overall memory allocated via mmap and sbrk increased from 507457k to 559635k, overall 10.28%
> Amount of produced GGC garbage increased from 228633k to 239652k, overall 4.82%
> Overall memory needed: 507457k -> 559635k
> Peak memory use before GGC: 79833k
> Peak memory use after GGC: 74847k
> Maximum of released memory in single GGC run: 33439k -> 33316k
> Garbage: 228633k -> 239652k
> Leak: 20946k -> 20946k
> Overhead: 32524k -> 35497k
> GGC runs: 91 -> 92
>
> comparing PR rtl-optimization/28071 testcase compilation at -O3 -fno-tree-pre -fno-tree-fre level:
> Overall memory allocated via mmap and sbrk increased from 1269241k to 1380355k, overall 8.75%
> Amount of produced GGC garbage increased from 370229k to 378499k, overall 2.23%
> Overall memory needed: 1269241k -> 1380355k
> Peak memory use before GGC: 201851k
> Peak memory use after GGC: 190309k
> Maximum of released memory in single GGC run: 80679k -> 80854k
> Garbage: 370229k -> 378499k
> Leak: 46312k -> 46312k
> Overhead: 48626k -> 51554k
> GGC runs: 70 -> 72
>
> Head of the ChangeLog is:
>
> --- /usr/src/SpecTests/sandbox-britten-memory/x86_64/mem-result/ChangeLog 2007-04-16 04:19:06.000000000 +0000
> +++ /usr/src/SpecTests/sandbox-britten-memory/gcc/gcc/ChangeLog 2007-04-16 16:04:20.000000000 +0000
> @@ -1,662 +1,3 @@
> -2007-04-15 Kazu Hirata <kazu@codesourcery.com>
> -
> - * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
> - register numbers more.
> - * config/m68k/m68k.h (STACK_POINTER_REGNUM,
> - FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
> - M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
> - FUNCTION_VALUE_REGNO_P): Likewise.
> - * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
> - STATIC_CHAIN_REGNUM): Likewise.
> - * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
> - * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
> - STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
> - * config/m68k/m68k.md (FP_REG): New.
> -
> -2007-04-15 Kazu Hirata <kazu@codesourcery.com>
> -
> - * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
> - alignment on fido.
> -
> -2007-04-15 Kazu Hirata <kazu@codesourcery.com>
> -
> - * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
> - tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
> - comment typos.
> -
> -2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
> -
> - * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
> - cold loops.
> -
> -2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
> -
> - PR c/31520
> - * c-decl.c (finish_decl): Grab the type of the decl after the call
> - to store_init_value.
> -
> -2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
> -
> - * common.opt (fforward-propagate): Fix "Optimization" annotation.
> -
> -2007-04-14 Jakub Jelinek <jakub@redhat.com>
> -
> - PR c++/25874
> - * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
> - post dominators and cleanup cfg before returning.
> -
> -2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
> -
> - * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
> - * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
> -
> -2007-04-14 Kazu Hirata <kazu@codesourcery.com>
> -
> - * config.gcc: Recognize fido.
> - * config/m68k/m68k-devices.def (fidoa): New.
> - * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
> - __mfido__.
> - (FL_FIDOA, TARGET_FIDOA): New.
> - * config/m68k/m68k.opt (mfidoa): New.
> -
> -2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
> -
> - PR middle-end/31322
> - * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
> - when a personality function is used.
> -
> -2007-04-13 Bob Wilson <bob.wilson@acm.org>
> -
> - * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
> -
> -2007-04-13 Mike Stump <mrs@apple.com>
> -
> - * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
> - we can...
> - * config/darwin.opt (fapple-kext): Make C++ only.
> - * config/darwin.c (darwin_override_options): Remove code to ensure
> - -fapple-kext is given for C++ only.
> -
> -2007-04-13 Richard Sandiford <richard@codesourcery.com>
> -
> - * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
> - * config/mips/mips.c (override_options): Call
> - SUBTARGET_OVERRIDE_OPTIONS, if defined.
> -
> -2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
> -
> - * config/i386/i386.opt (msvr3-shlib): Removed.
> -
> - * doc/invoke.texi: Remove -msvr3-shlib.
> -
> -2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
> -
> - * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
> - with "popcnt" instruction.
> -
> -2007-04-13 Richard Guenther <rguenther@suse.de>
> -
> - PR tree-optimization/21258
> - * tree-vrp.c (compare_case_labels): New helper.
> - (find_switch_asserts): New function.
> - (find_assert_locations): Call it for SWITCH_EXPRs.
> -
> -2007-04-13 Uros Bizjak <ubizjak@gmail.com>
> -
> - * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
> - * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
> - check is now implied in X87_FLOAT_MODE_P.
> - (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
> - (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
> - (fix_trunc<mode>_i386_fisttp): Ditto.
> - (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
> - (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
> - (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
> - (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
> - (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
> - (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
> - (unnamed_splitters): Ditto.
> - * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
> - for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
> - FIRST_SSE_REG for local functions when SSE math is enabled or
> - for functions with sseregparm attribute.
> - (standard_80387_constant_p): Return -1 if mode is not
> - X87_FLOAT_MODE_P.
> - (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
> - (ix86_expand_compare): Ditto.
> - (ix86_expand_carry_flag_compare): Ditto.
> - (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
> - of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
> - DECIMAL_FLOAT_MODE_P.
> - (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
> - of SCALAR_FLOAT_MODE_P.
> - (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
> - [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
> - checks before FLOAT_MODE_P.
> - [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
> - before FLOAT_MODE_P.
> - [DIV]: Ditto.
> - [NEG]: Ditto.
> - [ABS]: Ditto.
> - [SQRT]: Ditto.
> - [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
> -
> -2007-04-12 Paolo Bonzini <bonzini@gnu.org>
> - Charles Wilson <libtool@cwilson.fastmail.fm>
> -
> - * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
> - (libgcc.mvars): Don't depend on them.
> - * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
> - * exec-tool.in: New.
> -
> -2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
> -
> - * doc/invoke.text (--help): Document --help=common.
> -
> -2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
> -
> - * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
> -
> -2007-04-12 Richard Sandiford <richard@codesourcery.com>
> -
> - * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
> - * genemit.c (main): Emit #include "integrate.h".
> - * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
> - (LOADGP_RTP): New mips_loadgp_style.
> - * config/mips/mips.h: Include config/vxworks-dummy.h.
> - (TARGET_RTP_PIC): New macro.
> - (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
> - (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
> - (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
> - for TARGET_RTP_PIC.
> - * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
> - -mvxworks-pic when using -mrtp and a PIC option.
> - * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
> - for RTP PIC.
> - (mips_symbolic_constant_p, mips_symbolic_address_p)
> - (mips_symbol_insns): Handle SYMBOL_HALF.
> - (override_options): Warn about -G and -mrtp being used together.
> - Initialize mips_lo_relocs[SYMBOL_HALF].
> - (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
> - (mips_emit_loadgp): Handle LOADGP_RTP.
> - (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
> - * config/mips/mips.md (loadgp_rtp): New insn and splitter.
> - (tablejump): Handle function-relative case table entries if
> - TARGET_RTP_PIC.
> - * config/mips/predicates.md (symbol_ref_operand): New predicate.
> -
> -2007-04-12 Richard Sandiford <richard@codesourcery.com>
> -
> - * config/mips/mips.md (load_call<mode>): Allow any general register.
> - destination.
> - (sibcall_value_internal, sibcall_value_multiple_internal)
> - (call_value_internal, call_value_split, call_value_multiple_internal)
> - (call_value_multiple_split): Remove constraints from operand 0.
> -
> -2007-04-12 Richard Sandiford <richard@codesourcery.com>
> -
> - * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
> - rather than loadgp_noshared.
> - * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
> - instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
> - gen_loadgp.
> - * config/mips/mips.md (loadgp): Rename to...
> - (loadgp_newabi): ...this.
> - (loadgp_noshared): Rename to...
> - (loadgp_absolute): ...this.
> -
> -2007-04-12 Richard Sandiford <richard@codesourcery.com>
> -
> - * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
> - false for locally-binding symbols.
> - (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
> -
> -2007-04-12 Richard Sandiford <richard@codesourcery.com>
> -
> - * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
> - (SYMBOL_GOT_PAGE_OFST): ...this.
> - (SYMBOL_GOT_GLOBAL): Rename to...
> - (SYMBOL_GOT_DISP): ...this.
> - (SYMBOL_GOTOFF_GLOBAL): Rename to...
> - (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
> - * config/mips/mips.c (mips_global_symbol_p): New function.
> - (mips_symbol_binds_local_p): Likewise.
> - (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
> - and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
> - and mips_symbol_binds_local_p.
> - (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
> - (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
> - SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
> - SYMBOL_GOTOFF_DISP.
> - (mips_ok_for_lazy_binding_p): New function.
> - (mips_load_call_address, mips_expand_call): Use it.
> - (mips_dangerous_for_la25_p): Likewise.
> - * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
> - (*got_disp<mode>): Use got_disp_operand instead of
> - global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
> - SYMBOL_GOTOFF_GLOBAL.
> - (*got_page<mode>): Use got_page_ofst_operand instead of
> - local_got_operand.
> - * config/mips/predicates.md (const_call_insn_operand): Use
> - SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
> - (global_got_operand): Rename to...
> - (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
> - SYMBOL_GOT_GLOBAL.
> - (local_got_operand): Rename to...
> - (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
> - of SYMBOL_GOT_LOCAL.
> -
> -2007-04-12 Richard Sandiford <richard@codesourcery.com>
> -
> - * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
> - TARGET_CALL_CLOBBERED_GP.
> - (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
> - (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
> - (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
> - (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
> - of TARGET_ABICALLS && !TARGET_NEWABI.
> - (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
> - * config/mips/mips.c (mips_load_call_address): Check
> - TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
> - (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
> - Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
> - (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
> - TARGET_ABICALLS && TARGET_NEWABI.
> - (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
> - TARGET_ABICALLS.
> - (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
> - (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
> - TARGET_ABICALLS && TARGET_NEWABI.
> - (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
> - TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
> - TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
> - whether indirect calls must use $25.
> - (mips_extra_live_on_entry): Check TARGET_GOT instead of
> - TARGET_ABICALLS.
> - * config/mips/mips.md (jal_macro): Check flag_pic and
> - TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
> - (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
> - instead of TARGET_ABICALLS.
> - (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
> - TARGET_ABICALLS && TARGET_OLDABI.
> - (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
> - (sibcall): In the comment above the define_insn, mention
> - TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
> - * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
> - instead of TARGET_ABICALLS.
> -
> -2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
> -
> - * doc/md.texi (Blackfin family constraints): Document PA and PB.
> - * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
> - (MACFLAGS_MATCH_P): New macro.
> - * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
> - (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
> - * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
> - the other MACFLAG constants.
> - (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
> - (flag_machi): Tighten constraints. Renumber some of the operands.
> - (flag_machi_acconly): Tighten constraints. Correct operand numbers in
> - output template.
> - (flag_machi_parts_acconly): New pattern.
> - (flag_macinithi): Tighten constraints. Allow any accumulator to be
> - used.
> - (flag_macinit1hi): Tighten constraints.
> - (flag_mul_macv2hi_parts_acconly): New pattern.
> -
> - * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
> - Use a more efficient implementation.
> - * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
> - inline sequences when not optimizing for size.
> -
> - * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
> - movhi_high2low): Delete, merge functionality into...
> - (packv2hi): ... this pattern.
> -
> - 2007-02-11 Jie Zhang <jie.zhang@analog.com>
> - * config/bfin/bfin.opt (msim): New option.
> - (mcpu=): New option.
> - * config/bfin/bfin-protos.h (enum bfin_cpu): New.
> - (bfin_cpu_t): Typedef of enum bfin_cpu.
> - (bfin_cpu_type): New declaration.
> - * config/bfin/elf.h (STARTFILE_SPEC): Add support for
> - -msim and -mcpu= options.
> - (LIB_SPEC): Likewise.
> - * config/bfin/bfin.c (bfin_cpu_type): Define.
> - (bfin_handle_option): Handle -mcpu= option.
> - * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
> - (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
> - __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
> -
> -2007-04-12 Richard Sandiford <richard@codesourcery.com>
> -
> - * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
> - (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
> - (powerpc-wrs-vxworksae): Use ${tm_file}.
> - (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
> - after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
> - * config/i386/vx-common.h: New file.
> -
> -2007-04-12 Richard Sandiford <richard@codesourcery.com>
> -
> - * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
> - of crt0.o%s.
> -
> -2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
> -
> - * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
> - ldxtr.
> -
> -2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
> -
> - PR c++/31078
> - PR c++/31103
> - * c-common.c (c_build_qualified_type): Set canonical type
> - appropriately.
> -
> -2007-04-12 Richard Guenther <rguenther@suse.de>
> -
> - * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
> - lower bound and element size if lower bound is not zero
> - or either of the ARRAY_REF operands is set.
> -
> -2007-04-12 Richard Guenther <rguenther@suse.de>
> -
> - PR tree-optimization/24689
> - PR tree-optimization/31307
> - * fold-const.c (operand_equal_p): Compare INTEGER_CST array
> - indices by value.
> - * gimplify.c (canonicalize_addr_expr): To be consistent with
> - gimplify_compound_lval only set operands two and three of
> - ARRAY_REFs if they are not gimple_min_invariant. This makes
> - it never at this place.
> - * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
> -
> -2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
> -
> - * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
> - null before emitting a .nsubspa directive.
> -
> -2007-04-11 Diego Novillo <dnovillo@redhat.com>
> -
> - * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
> - need_to_partition_p if there are no memory statements in the
> - function.
> -
> -2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
> -
> - * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
> - (gcd_of_steps_may_divide_p): New function.
> - (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
> -
> -2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
> -
> - * reload.c (find_reloads_toplev, find_reloads_address,
> - find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
> - not a pointer equality test, to decide if we need to call
> - push_reg_equiv_alt_mem.
> -
> -2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
> -
> - * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
> - insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
> - (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
> -
> -2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
> -
> - * tree-data-ref.c (add_multivariate_self_dist): Force the distance
> - vector to be positive.
> -
> -2007-04-11 Diego Novillo <dnovillo@redhat.com>
> -
> - PR 30735
> - PR 31090
> - * doc/invoke.texi: Document --params max-aliased-vops and
> - avg-aliased-vops.
> - * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
> - debug_memory_partitions): Move to tree-flow.h
> - * params.h (AVG_ALIASED_VOPS): Define.
> - * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
> - users.
> - (mp_info_t): Likewise.
> - (get_mem_sym_stats_for): New.
> - (set_memory_partition): Move from tree-flow-inline.h.
> - (mark_non_addressable): Only clear the set of symbols for the
> - partition if it exists.
> - (dump_memory_partitions): Move from tree-ssa-operands.c
> - (debug_memory_partitions): Likewise.
> - (need_to_partition_p): New.
> - (dump_mem_ref_stats): New.
> - (debug_mem_ref_stats): New.
> - (dump_mem_sym_stats): New.
> - (debug_mem_sym_stats): New.
> - (update_mem_sym_stats_from_stmt): New.
> - (compare_mp_info_entries): New.
> - (mp_info_cmp): Call it.
> - (sort_mp_info): Change argument to a list of mem_sym_stats_t
> - objects.
> - (get_mpt_for): Move from tree-ssa-operands.c.
> - (find_partition_for): New.
> - (create_partition_for): Remove.
> - (estimate_vop_reduction): New.
> - (update_reference_counts): New.
> - (build_mp_info): New.
> - (compute_memory_partitions): Refactor.
> - Document new heuristic.
> - Call build_mp_info, update_reference_counts,
> - find_partition_for and estimate_vop_reduction.
> - (compute_may_aliases): Populate virtual operands before
> - calling debugging dumps.
> - (delete_mem_sym_stats): New.
> - (delete_mem_ref_stats): New.
> - (init_mem_ref_stats): New.
> - (init_alias_info): Call it.
> - (maybe_create_global_var): Remove alias_info argument.
> - Get number of call sites and number of pure/const call sites
> - from gimple_mem_ref_stats().
> - (dump_alias_info): Call dump_memory_partitions first.
> - (dump_points_to_info_for): Show how many times a pointer has
> - been dereferenced.
> - * opts.c (decode_options): For -O2 set --param
> - max-aliased-vops to 500.
> - For -O3 set --param max-aliased-vops to 1000 and --param
> - avg-aliased-vops to 3.
> - * fortran/options.c (gfc_init_options): Remove assignment to
> - MAX_ALIASED_VOPS.
> - * tree-flow-inline.h (gimple_mem_ref_stats): New.
> - * tree-dfa.c (dump_variable): Dump memory reference
> - statistics.
> - Dump NO_ALIAS* settings.
> - (referenced_var_lookup): Tidy.
> - (mem_sym_stats): New.
> - * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
> - and ORIG are different SSA names for a memory partition.
> - * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
> - * tree-flow.h (struct mem_sym_stats_d): Define.
> - (mem_sym_stats_t): Define.
> - (struct mem_ref_stats_d): Define.
> - (struct gimple_df): Add field mem_ref_stats.
> - (enum noalias_state): Define.
> - (struct var_ann_d): Add bitfield noalias_state.
> - (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
> - debug_mem_ref_stats, debug_memory_partitions,
> - debug_mem_sym_stats): Declare.
> - * tree-ssa-structalias.c (update_alias_info): Update call
> - sites, pure/const call sites and asm sites in structure
> - returned by gimple_mem_ref_stats.
> - Remove local variable IS_POTENTIAL_DEREF.
> - Increase NUM_DEREFS if the memory expression is a potential
> - dereference.
> - Call update_mem_sym_stats_from_stmt.
> - If the memory references memory, call
> - update_mem_sym_stats_from_stmt for all the direct memory
> - symbol references found.
> - (intra_create_variable_infos): Set noalias_state field for
> - pointer arguments according to the value of
> - flag_argument_noalias.
> - * tree-ssa-structalias.h (struct alias_info): Remove fields
> - num_calls_found and num_pure_const_calls_found.
> - (update_mem_sym_stats_from_stmt): Declare.
> - * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
> - Set default value to 100.
> - (PARAM_AVG_ALIASED_VOPS): Define.
> -
> -2007-04-11 Richard Guenther <rguenther@suse.de>
> -
> - PR middle-end/31530
> - * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
> - a * -b + c as c - a * b if we honor sign dependent rounding.
> -
> -2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
> -
> - * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
> - bfin_expand_strmov.
> - * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
> - bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
> - variables.
> - (initialize_trampoline): Don't use old-style function definition.
> - (bfin_secondary_reload): Mark IN_P argument as unused.
> -
> -2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
> -
> - PR tree-optimization/31343
> - * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
> - (build_polynomial_chrec): Return a scalar when the evolution is zero.
> - * testsuite/gcc.dg/vect/pr31343.c: New.
> -
> -2007-04-10 Eric Christopher <echristo@apple.com>
> -
> - * config/i386/i386.h (X87_FLOAT_MODE_P): New.
> - * config/i386/i386.md (*cmpfp0): Use.
> - (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
> - (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
> - (fix_trunc<mode>_i386_fisttp): Ditto.
> - (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
> - (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
> - (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
> - (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
> - (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
> - (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
> - (unnamed_splitters): Ditto.
> - * config/i386/i386.c (output_fix_trunc): Assert that
> - we're not being passed a TFmode operand.
> -
> -2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
> -
> - PR tree-optimization/31526
> - * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
> - n_basic_blocks to find newly added blocks.
> -
> -2007-04-10 Uros Bizjak <ubizjak@gmail.com>
> -
> - * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
> - alternative.
> - (fix_trunc<mode>si_sse): Ditto.
> - (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
> - (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
> - (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
> - (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
> - (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
> - expander using SSEMODEF mode macro.
> - (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
> - expander using SSEMODEF mode macro.
> - (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
> - *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
> - (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
> - *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
> - (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
> - *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
> - (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
> - Macroize insn using X87MODEF mode macro.
> -
> -2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
> -
> - * config/i386/sse.md (sse2_pinsrw): Removed.
> - (sse2_pextrw): Renamed to ...
> - (*sse2_pextrw): This.
> -
> -2007-04-09 Jan Hubicka <jh@suse.cz>
> -
> - PR target/27869
> - * config/i386/sse.md
> - (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
> - (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
> - (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
> - (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
> -
> -2007-04-09 Jan Hubicka <jh@suse.cz>
> -
> - * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
> - multiple fields of union.
> -
> -2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
> -
> - * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
> - (create_preheaders): Check that loops are available.
> - (fix_loop_structure): Clean up, improve comments.
> - * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
> - Check that loops are available. Set LOOP_CLOSED_SSA to the loops
> - state flags.
> - * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
> - * predict.c (tree_estimate_probability): Do not call
> - calculate_dominance_info. Call create_preheaders.
> - * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
> - rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
> - flags.
> - * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
> - * cfgloop.h (LOOP_CLOSED_SSA): New constant.
> - * tree-cfg.c (tree_split_edge): Make an assert more precise.
> - * tree-ssa-threadedge.c (thread_across_edge): Comment the function
> - arguments.
> -
> -2007-04-08 Jan Hubicka <jh@suse.cz>
> -
> - * tree.h (maybe_fold_offset_to_component_ref): Declare.
> - * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
> - * fold-const.c (fold_unary): Use it.
> -
> -2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
> -
> - * varasm.c (assemble_variable): Remove call to
> - lang_hooks.decls.prepare_assemble_variable.
> - * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
> - (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
> - * langhooks.h (lang_hooks_for_decls): Remove
> - prepare_assemble_variable.
> -
> -2007-04-08 Mike Stump <mrs@apple.com>
> -
> - * config/i386/i386.c: Use inc/dec on Core2.
> -
> -2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
> -
> - * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
> - lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
> - lhd_tree_inlining_end_inlining): Remove.
> - * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
> - add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
> - end_inlining hooks.
> - * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
> - lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
> - lhd_tree_inlining_end_inlining): Remove prototypes.
> - (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
> - LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
> - LANG_HOOKS_TREE_INLINING_START_INLINING,
> - LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
> -
> - * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
> - not set it.
> -
> -2007-04-08 Anatoly Sokolov <aesok@post.ru>
> -
> - PR target/29932
> - * config/avr/predicates.md (io_address_operand): Delete predicate.
> - (low_io_address_operand): Don't use 'mode' argument.
> - (higth_io_address_operand): Rename ...
> - (high_io_address_operand): ... to this. Don't use 'mode' argument.
> - * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
> - for above change.
> -
> 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
>
> Revert change removing staticp.
> @@ -664,7 +5,7 @@
> 2007-04-07 Anatoly Sokolov <aesok@post.ru>
>
> PR target/30289
> - * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
> + * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
> earlyclobber.
>
> 2007-04-07 Bruce Korb <bkorb@gnu.org>
> @@ -742,7 +83,7 @@
> * langhooks.h (lang_hooks): Remove safe_from_p.
> (lhd_safe_from_p): Remove prototype.
> * langhooks.c (lhd_safe_from_p): Remove.
> -
> +
> 2007-04-06 Jan Hubicka <jh@suse.cz>
>
> * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
> @@ -848,7 +189,7 @@
> 2007-04-05 Anatoly Sokolov <aesok@post.ru>
>
> PR target/25448
> - * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
> + * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
> DECL_ASSEMBLER_NAME, not the DECL_NAME.
>
> 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
> --- /usr/src/SpecTests/sandbox-britten-memory/x86_64/mem-result/ChangeLog.cp 2007-04-16 04:19:06.000000000 +0000
> +++ /usr/src/SpecTests/sandbox-britten-memory/gcc/gcc/cp/ChangeLog 2007-04-16 16:03:43.000000000 +0000
> @@ -1,40 +1,3 @@
> -2007-04-15 Mark Mitchell <mark@codesourcery.com>
> -
> - * cp-tree.h (current_template_parms): Fix typo in comment.
> -
> -2007-04-15 Kazu Hirata <kazu@codesourcery.com>
> -
> - * cp-tree.h, error.c: Fix comment typos.
> -
> -2007-04-13 Jason Merrill <jason@redhat.com>
> -
> - PR c++/31074
> - * call.c (reference_binding): Add c_cast_p parm. If true,
> - add quals to TO as needed to make it reference-compatible.
> -
> -2007-04-11 Jan Hubicka <jh@suse.cz>
> -
> - * cp/class.c (convert_to_base_statically): Fold produced tree; verify
> - that we are not processing template_decl.
> -
> -2007-04-09 Mark Mitchell <mark@codesourcery.com>
> -
> - PR c++/31449
> - * class.c (build_base_path): Ensure that the converted pointer has
> - the same cv-qualification as the input.
> -
> -2007-04-09 Paolo Carlini <pcarlini@suse.de>
> -
> - * tree.c (cp_tree_equal): Deal with TRAIT_EXPR.
> -
> -2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
> -
> - * cp-objcp-common.h (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS):
> - Do not set it.
> - (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do not set it.
> - * tree.c (cp_add_pending_fn_decls): Remove.
> - * cp-tree.h (cp_add_pending_fn_decls): Remove prototype.
> -
> 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
>
> Revert change removing staticp.
> @@ -50,6 +13,8 @@
> * class.c (check_for_override): Don't remove dllmport attribute
> of virtual methods.
>
> +
> +
> 2007-04-03 Jakub Jelinek <jakub@redhat.com>
>
> PR c++/30847
>
>
> The results can be reproduced by building a compiler with
>
> --enable-gather-detailed-mem-stats targetting x86-64
>
> and compiling preprocessed combine.c or testcase from PR8632 with:
>
> -fmem-report --param=ggc-min-heapsize=1024 --param=ggc-min-expand=1 -Ox -Q
>
> The memory consumption summary appears in the dump after detailed listing
> of the places they are allocated in. Peak memory consumption is actually
> computed by looking for maximal value in {GC XXXX -> YYYY} report.
>
> Your testing script.
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