gcc-4.4.2-25
This commit is contained in:
parent
4d70a242e3
commit
62dea55b3e
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@ -1,2 +1,2 @@
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fastjar-0.97.tar.gz
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gcc-4.4.2-20100112.tar.bz2
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gcc-4.4.2-20100114.tar.bz2
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23
gcc.spec
23
gcc.spec
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@ -1,9 +1,9 @@
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%global DATE 20100112
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%global SVNREV 155843
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%global DATE 20100114
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%global SVNREV 155909
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%global gcc_version 4.4.2
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# Note, gcc_release must be integer, if you want to add suffixes to
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# %{release}, append them after %{gcc_release} on Release: line.
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%global gcc_release 24
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%global gcc_release 25
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%global _unpackaged_files_terminate_build 0
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%global multilib_64_archs sparc64 ppc64 s390x x86_64
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%if 0%{?fedora} >= 13
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@ -165,9 +165,10 @@ Patch16: gcc44-unwind-debug-hook.patch
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Patch17: gcc44-pr38757.patch
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Patch18: gcc44-libstdc++-docs.patch
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Patch19: gcc44-ppc64-aixdesc.patch
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Patch20: gcc44-pr41371.patch
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Patch20: gcc44-max-vartrack-size.patch
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Patch21: gcc44-pr42657.patch
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Patch22: gcc44-pr42608.patch
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Patch23: gcc44-pr42674.patch
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Patch1000: fastjar-0.97-segfault.patch
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Patch1001: fastjar-0.97-len1.patch
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@ -476,9 +477,10 @@ which are required to compile with the GNAT.
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%patch18 -p0 -b .libstdc++-docs~
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%endif
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%patch19 -p0 -b .ppc64-aixdesc~
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%patch20 -p0 -b .pr41371~
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%patch20 -p0 -b .max-vartrack-size~
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%patch21 -p0 -b .pr42657~
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%patch22 -p0 -b .pr42608~
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%patch23 -p0 -b .pr42674~
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# This testcase doesn't compile.
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rm libjava/testsuite/libjava.lang/PR35020*
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@ -1868,7 +1870,16 @@ fi
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%doc rpm.doc/changelogs/libmudflap/ChangeLog*
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%changelog
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* Mon Jan 12 2010 Jakub Jelinek <jakub@redhat.com> 4.4.2-24
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* Thu Jan 14 2010 Jakub Jelinek <jakub@redhat.com> 4.4.2-25
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- update from gcc-4_4-branch
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- PRs c/42721, middle-end/40281, middle-end/42667, rtl-optimization/42699
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- re-add --param max-vartrack-size patch, but this time with default 50mil
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instead of 5mil (#531218, #548826)
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- don't emit -Wreturn-type warnings in noreturn functions
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(PR middle-end/42674)
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- march=native fixes for ix86/x86_64
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* Tue Jan 12 2010 Jakub Jelinek <jakub@redhat.com> 4.4.2-24
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- update from gcc-4_4-branch
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- PRs debug/42662, libjava/40859
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- speed up var-tracking on various KDE sources (PR debug/41371)
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@ -0,0 +1,230 @@
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2010-01-05 Alexandre Oliva <aoliva@redhat.com>
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* params.def (PARAM_MAX_VARTRACK_SIZE): New.
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* doc/invoke.texi: Document it.
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* var-tracking.c: Include toplev.h and params.h.
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(vt_find_locations): Return bool indicating success. Compute
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hash sizes unconditionally. Check new parameter, report.
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(variable_tracking_main_1): Check vt_find_locations results and
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retry. Renamed from...
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(variable_tracking_main): ... this. New wrapper to preserve
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flag_var_tracking_assignments.
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* Makefile.in (var-tracking.o): Adjust dependencies.
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--- gcc/doc/invoke.texi.jj 2009-12-09 00:36:51.000000000 +0100
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+++ gcc/doc/invoke.texi 2010-01-05 10:23:34.000000000 +0100
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@@ -7937,6 +7937,15 @@ with more basic blocks than this paramet
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motion optimization performed on them. The default value of the
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parameter is 1000 for -O1 and 10000 for -O2 and above.
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+@item max-vartrack-size
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+Sets a maximum number of hash table slots to use during variable
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+tracking dataflow analysis of any function. If this limit is exceeded
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+with variable tracking at assignments enabled, analysis for that
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+function is retried without it, after removing all debug insns from
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+the function. If the limit is exceeded even without debug insns, var
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+tracking analysis is completely disabled for the function. Setting
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+the parameter to zero makes it unlimited.
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+
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@item min-nondebug-insn-uid
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Use uids starting at this parameter for nondebug insns. The range below
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the parameter is reserved exclusively for debug insns created by
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--- gcc/params.def.jj 2009-09-16 21:35:17.000000000 +0200
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+++ gcc/params.def 2010-01-06 10:18:04.000000000 +0100
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@@ -771,6 +771,13 @@ DEFPARAM (PARAM_LOOP_INVARIANT_MAX_BBS_I
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"max basic blocks number in loop for loop invariant motion",
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10000, 0, 0)
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+/* Set maximum hash table size for var tracking. */
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+
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+DEFPARAM (PARAM_MAX_VARTRACK_SIZE,
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+ "max-vartrack-size",
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+ "Max. size of var tracking hash tables",
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+ 50000000, 0, 0)
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+
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/* Set minimum insn uid for non-debug insns. */
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DEFPARAM (PARAM_MIN_NONDEBUG_INSN_UID,
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--- gcc/var-tracking.c.jj 2009-12-17 20:42:04.000000000 +0100
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+++ gcc/var-tracking.c 2010-01-06 10:17:28.000000000 +0100
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@@ -108,6 +108,8 @@
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#include "tree-pass.h"
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#include "cselib.h"
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#include "target.h"
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+#include "toplev.h"
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+#include "params.h"
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/* Type of micro operation. */
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enum micro_operation_type
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@@ -443,7 +445,7 @@ static int add_uses (rtx *, void *);
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static void add_uses_1 (rtx *, void *);
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static void add_stores (rtx, const_rtx, void *);
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static bool compute_bb_dataflow (basic_block);
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-static void vt_find_locations (void);
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+static bool vt_find_locations (void);
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static void dump_attrs_list (attrs);
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static int dump_variable_slot (void **, void *);
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@@ -5454,7 +5456,7 @@ compute_bb_dataflow (basic_block bb)
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/* Find the locations of variables in the whole function. */
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-static void
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+static bool
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vt_find_locations (void)
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{
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fibheap_t worklist, pending, fibheap_swap;
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@@ -5465,6 +5467,8 @@ vt_find_locations (void)
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int *rc_order;
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int i;
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int htabsz = 0;
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+ int htabmax = PARAM_VALUE (PARAM_MAX_VARTRACK_SIZE);
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+ bool success = true;
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/* Compute reverse completion order of depth first search of the CFG
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so that the data-flow runs faster. */
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@@ -5486,7 +5490,7 @@ vt_find_locations (void)
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fibheap_insert (pending, bb_order[bb->index], bb);
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sbitmap_ones (in_pending);
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- while (!fibheap_empty (pending))
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+ while (success && !fibheap_empty (pending))
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{
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fibheap_swap = pending;
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pending = worklist;
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@@ -5509,11 +5513,11 @@ vt_find_locations (void)
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SET_BIT (visited, bb->index);
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- if (dump_file && VTI (bb)->in.vars)
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+ if (VTI (bb)->in.vars)
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{
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htabsz
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- -= htab_size (shared_hash_htab (VTI (bb)->in.vars))
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- + htab_size (shared_hash_htab (VTI (bb)->out.vars));
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+ -= (htab_size (shared_hash_htab (VTI (bb)->in.vars))
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+ + htab_size (shared_hash_htab (VTI (bb)->out.vars)));
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oldinsz
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= htab_elements (shared_hash_htab (VTI (bb)->in.vars));
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oldoutsz
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@@ -5577,9 +5581,20 @@ vt_find_locations (void)
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}
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changed = compute_bb_dataflow (bb);
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- if (dump_file)
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- htabsz += htab_size (shared_hash_htab (VTI (bb)->in.vars))
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- + htab_size (shared_hash_htab (VTI (bb)->out.vars));
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+ htabsz += (htab_size (shared_hash_htab (VTI (bb)->in.vars))
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+ + htab_size (shared_hash_htab (VTI (bb)->out.vars)));
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+
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+ if (htabmax && htabsz > htabmax)
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+ {
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+ if (MAY_HAVE_DEBUG_INSNS)
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+ inform (DECL_SOURCE_LOCATION (cfun->decl),
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+ "variable tracking size limit exceeded with debug insns, retrying without");
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+ else
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+ inform (DECL_SOURCE_LOCATION (cfun->decl),
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+ "variable tracking size limit exceeded");
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+ success = false;
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+ break;
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+ }
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if (changed)
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{
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@@ -5630,7 +5645,7 @@ vt_find_locations (void)
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}
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}
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- if (MAY_HAVE_DEBUG_INSNS)
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+ if (success && MAY_HAVE_DEBUG_INSNS)
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FOR_EACH_BB (bb)
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gcc_assert (VTI (bb)->flooded);
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@@ -5640,6 +5655,8 @@ vt_find_locations (void)
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sbitmap_free (visited);
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sbitmap_free (in_worklist);
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sbitmap_free (in_pending);
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+
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+ return success;
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}
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/* Print the content of the LIST to dump file. */
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@@ -7542,9 +7558,11 @@ vt_finalize (void)
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/* The entry point to variable tracking pass. */
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-unsigned int
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-variable_tracking_main (void)
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+static inline unsigned int
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+variable_tracking_main_1 (void)
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{
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+ bool success;
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+
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if (flag_var_tracking_assignments < 0)
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{
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delete_debug_insns ();
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@@ -7569,7 +7587,31 @@ variable_tracking_main (void)
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}
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}
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- vt_find_locations ();
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+ success = vt_find_locations ();
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+
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+ if (!success && flag_var_tracking_assignments > 0)
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+ {
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+ vt_finalize ();
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+
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+ delete_debug_insns ();
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+
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+ /* This is later restored by our caller. */
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+ flag_var_tracking_assignments = 0;
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+
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+ vt_initialize ();
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+
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+ if (!frame_pointer_needed && !vt_stack_adjustments ())
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+ gcc_unreachable ();
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+
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+ success = vt_find_locations ();
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+ }
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+
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+ if (!success)
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+ {
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+ vt_finalize ();
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+ vt_debug_insns_local (false);
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+ return 0;
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+ }
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if (dump_file && (dump_flags & TDF_DETAILS))
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{
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@@ -7583,6 +7625,19 @@ variable_tracking_main (void)
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vt_debug_insns_local (false);
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return 0;
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}
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+
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+unsigned int
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+variable_tracking_main (void)
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+{
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+ unsigned int ret;
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+ int save = flag_var_tracking_assignments;
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+
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+ ret = variable_tracking_main_1 ();
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+
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+ flag_var_tracking_assignments = save;
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+
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+ return ret;
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+}
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static bool
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gate_handle_var_tracking (void)
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--- gcc/Makefile.in.jj 2010-01-04 10:07:40.000000000 +0100
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+++ gcc/Makefile.in 2010-01-05 10:24:39.000000000 +0100
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@@ -2750,7 +2750,8 @@ regstat.o : regstat.c $(CONFIG_H) $(SYST
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var-tracking.o : var-tracking.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
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$(RTL_H) $(TREE_H) hard-reg-set.h insn-config.h reload.h $(FLAGS_H) \
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$(BASIC_BLOCK_H) output.h sbitmap.h alloc-pool.h $(FIBHEAP_H) $(HASHTAB_H) \
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- $(REGS_H) $(EXPR_H) $(TIMEVAR_H) tree-pass.h cselib.h $(TARGET_H)
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+ $(REGS_H) $(EXPR_H) $(TIMEVAR_H) tree-pass.h cselib.h $(TARGET_H) \
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+ $(TOPLEV_H) $(PARAMS_H)
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profile.o : profile.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
|
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$(TREE_H) $(FLAGS_H) output.h $(REGS_H) $(EXPR_H) $(FUNCTION_H) \
|
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$(TOPLEV_H) $(COVERAGE_H) $(TREE_FLOW_H) value-prof.h cfghooks.h \
|
|
@ -1,81 +0,0 @@
|
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2010-01-12 Jakub Jelinek <jakub@redhat.com>
|
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|
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PR debug/41371
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* var-tracking.c (values_to_unmark): New variable.
|
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(find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
|
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values_to_unmark vector. Moved body to...
|
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(find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECRUSED_INTO,
|
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instead queue it into values_to_unmark vector.
|
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(vt_find_locations): Free values_to_unmark vector.
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--- gcc/var-tracking.c.jj 2010-01-12 10:37:30.000000000 +0100
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+++ gcc/var-tracking.c 2010-01-12 17:41:39.000000000 +0100
|
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@@ -2252,12 +2252,18 @@ dv_changed_p (decl_or_value dv)
|
||||
: DECL_CHANGED (dv_as_decl (dv)));
|
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}
|
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|
||||
-/* Return a location list node whose loc is rtx_equal to LOC, in the
|
||||
+/* Vector of VALUEs that should have VALUE_RECURSED_INTO bit cleared
|
||||
+ at the end of find_loc_in_1pdv. Not a static variable in find_loc_in_1pdv
|
||||
+ to avoid constant allocation/freeing of it. */
|
||||
+static VEC(rtx, heap) *values_to_unmark;
|
||||
+
|
||||
+/* Helper function for find_loc_in_1pdv.
|
||||
+ Return a location list node whose loc is rtx_equal to LOC, in the
|
||||
location list of a one-part variable or value VAR, or in that of
|
||||
any values recursively mentioned in the location lists. */
|
||||
|
||||
static location_chain
|
||||
-find_loc_in_1pdv (rtx loc, variable var, htab_t vars)
|
||||
+find_loc_in_1pdv_1 (rtx loc, variable var, htab_t vars)
|
||||
{
|
||||
location_chain node;
|
||||
|
||||
@@ -2285,18 +2291,33 @@ find_loc_in_1pdv (rtx loc, variable var,
|
||||
{
|
||||
location_chain where;
|
||||
VALUE_RECURSED_INTO (node->loc) = true;
|
||||
- if ((where = find_loc_in_1pdv (loc, var, vars)))
|
||||
- {
|
||||
- VALUE_RECURSED_INTO (node->loc) = false;
|
||||
- return where;
|
||||
- }
|
||||
- VALUE_RECURSED_INTO (node->loc) = false;
|
||||
+ VEC_safe_push (rtx, heap, values_to_unmark, node->loc);
|
||||
+ if ((where = find_loc_in_1pdv_1 (loc, var, vars)))
|
||||
+ return where;
|
||||
}
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
+/* Return a location list node whose loc is rtx_equal to LOC, in the
|
||||
+ location list of a one-part variable or value VAR, or in that of
|
||||
+ any values recursively mentioned in the location lists. */
|
||||
+
|
||||
+static location_chain
|
||||
+find_loc_in_1pdv (rtx loc, variable var, htab_t vars)
|
||||
+{
|
||||
+ location_chain ret;
|
||||
+ unsigned int i;
|
||||
+ rtx value;
|
||||
+
|
||||
+ ret = find_loc_in_1pdv_1 (loc, var, vars);
|
||||
+ for (i = 0; VEC_iterate (rtx, values_to_unmark, i, value); i++)
|
||||
+ VALUE_RECURSED_INTO (value) = false;
|
||||
+ VEC_truncate (rtx, values_to_unmark, 0);
|
||||
+ return ret;
|
||||
+}
|
||||
+
|
||||
/* Hash table iteration argument passed to variable_merge. */
|
||||
struct dfset_merge
|
||||
{
|
||||
@@ -5648,6 +5669,7 @@ vt_find_locations (void)
|
||||
FOR_EACH_BB (bb)
|
||||
gcc_assert (VTI (bb)->flooded);
|
||||
|
||||
+ VEC_free (rtx, heap, values_to_unmark);
|
||||
free (bb_order);
|
||||
fibheap_delete (worklist);
|
||||
fibheap_delete (pending);
|
|
@ -0,0 +1,49 @@
|
|||
2010-01-13 Jakub Jelinek <jakub@redhat.com>
|
||||
|
||||
PR middle-end/42674
|
||||
* c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
|
||||
functions with noreturn attribute.
|
||||
|
||||
* decl.c (finish_function): Don't emit -Wreturn-type warnings in
|
||||
functions with noreturn attribute.
|
||||
|
||||
* c-c++-common/pr42674.c: New test.
|
||||
|
||||
--- gcc/c-decl.c.jj 2010-01-04 10:46:33.000000000 +0100
|
||||
+++ gcc/c-decl.c 2010-01-13 18:41:44.000000000 +0100
|
||||
@@ -8032,6 +8032,8 @@ finish_function (void)
|
||||
&& !current_function_returns_value && !current_function_returns_null
|
||||
/* Don't complain if we are no-return. */
|
||||
&& !current_function_returns_abnormally
|
||||
+ /* Don't complain if we are declared noreturn. */
|
||||
+ && !TREE_THIS_VOLATILE (fndecl)
|
||||
/* Don't warn for main(). */
|
||||
&& !MAIN_NAME_P (DECL_NAME (fndecl))
|
||||
/* Or if they didn't actually specify a return type. */
|
||||
--- gcc/cp/decl.c.jj 2009-12-23 17:31:06.000000000 +0100
|
||||
+++ gcc/cp/decl.c 2010-01-13 18:43:01.000000000 +0100
|
||||
@@ -12541,6 +12541,8 @@ finish_function (int flags)
|
||||
&& !current_function_returns_value && !current_function_returns_null
|
||||
/* Don't complain if we abort or throw. */
|
||||
&& !current_function_returns_abnormally
|
||||
+ /* Don't complain if we are declared noreturn. */
|
||||
+ && !TREE_THIS_VOLATILE (fndecl)
|
||||
&& !DECL_NAME (DECL_RESULT (fndecl))
|
||||
&& !TREE_NO_WARNING (fndecl)
|
||||
/* Structor return values (if any) are set by the compiler. */
|
||||
--- gcc/testsuite/c-c++-common/pr42674.c.jj 2010-01-13 18:57:20.000000000 +0100
|
||||
+++ gcc/testsuite/c-c++-common/pr42674.c 2010-01-13 18:57:58.000000000 +0100
|
||||
@@ -0,0 +1,13 @@
|
||||
+/* PR middle-end/42674 */
|
||||
+/* { dg-do compile } */
|
||||
+/* { dg-options "-Wreturn-type" } */
|
||||
+
|
||||
+extern void bar (void);
|
||||
+static int foo (void) __attribute__ ((__noreturn__, __used__));
|
||||
+
|
||||
+static int
|
||||
+foo (void)
|
||||
+{
|
||||
+ while (1)
|
||||
+ bar ();
|
||||
+}
|
Loading…
Reference in New Issue