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4.7.0-0.11

This commit is contained in:
Jakub Jelinek 2012-02-07 00:21:35 +01:00
parent e3e70e5e70
commit 21d9bf9a9a
9 changed files with 286 additions and 208 deletions
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1
.gitignore vendored
View File

@ -16,3 +16,4 @@
/gcc-4.7.0-20120119.tar.bz2
/gcc-4.7.0-20120123.tar.bz2
/gcc-4.7.0-20120126.tar.bz2
/gcc-4.7.0-20120206.tar.bz2

64
gcc.spec
View File

@ -1,9 +1,9 @@
%global DATE 20120126
%global SVNREV 183558
%global DATE 20120206
%global SVNREV 183946
%global gcc_version 4.7.0
# Note, gcc_release must be integer, if you want to add suffixes to
# %{release}, append them after %{gcc_release} on Release: line.
%global gcc_release 0.10
%global gcc_release 0.11
%global _unpackaged_files_terminate_build 0
%global multilib_64_archs sparc64 ppc64 s390x x86_64
%ifarch %{ix86} x86_64 ia64 ppc ppc64 alpha
@ -174,9 +174,9 @@ Patch12: gcc47-libstdc++-docs.patch
Patch13: gcc47-no-add-needed.patch
Patch14: gcc47-ppl-0.10.patch
Patch15: gcc47-libitm-fno-exceptions.patch
Patch16: gcc47-pr51895.patch
Patch17: gcc47-pr46590-revert.patch
Patch18: gcc47-pr52006.patch
Patch16: gcc47-pr51950.patch
Patch17: gcc47-pr52060.patch
Patch18: gcc47-pr52132.patch
Patch1000: fastjar-0.97-segfault.patch
Patch1001: fastjar-0.97-len1.patch
@ -496,6 +496,8 @@ The Java(tm) runtime library sources for use in Eclipse.
%package -n cpp
Summary: The C Preprocessor
Group: Development/Languages
Requires: filesystem >= 3
Provides: /lib/cpp
Requires(post): /sbin/install-info
Requires(preun): /sbin/install-info
Autoreq: true
@ -676,9 +678,9 @@ package or when debugging this package.
%patch14 -p0 -b .ppl-0.10~
%endif
%patch15 -p0 -b .libitm-fno-exceptions~
%patch16 -p0 -b .pr51895~
%patch17 -p0 -b .pr46590-revert~
%patch18 -p0 -b .pr52006~
%patch16 -p0 -b .pr51950~
%patch17 -p0 -b .pr52060~
%patch18 -p0 -b .pr52132~
%if 0%{?_enable_debug_packages}
cat > split-debuginfo.sh <<\EOF
@ -1071,8 +1073,8 @@ FULLEPATH=%{buildroot}%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_versio
# fix some things
ln -sf gcc %{buildroot}%{_prefix}/bin/cc
mkdir -p %{buildroot}/lib
ln -sf ..%{_prefix}/bin/cpp %{buildroot}/lib/cpp
rm -f %{buildroot}%{_prefix}/lib/cpp
ln -sf ../bin/cpp %{buildroot}/%{_prefix}/lib/cpp
ln -sf gfortran %{buildroot}%{_prefix}/bin/f95
rm -f %{buildroot}%{_infodir}/dir
gzip -9 %{buildroot}%{_infodir}/*.info*
@ -1857,7 +1859,6 @@ fi
%dir %{_prefix}/lib/gcc/%{gcc_target_platform}/%{gcc_version}/include
%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/lto1
%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/lto-wrapper
%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/liblto_plugin.so*
%{_prefix}/lib/gcc/%{gcc_target_platform}/%{gcc_version}/rpmver
%{_prefix}/lib/gcc/%{gcc_target_platform}/%{gcc_version}/include/stddef.h
%{_prefix}/lib/gcc/%{gcc_target_platform}/%{gcc_version}/include/stdarg.h
@ -2002,7 +2003,7 @@ fi
%files -n cpp -f cpplib.lang
%defattr(-,root,root,-)
/lib/cpp
%{_prefix}/lib/cpp
%{_prefix}/bin/cpp
%{_mandir}/man1/cpp.1*
%{_infodir}/cpp*
@ -2010,6 +2011,7 @@ fi
%dir %{_prefix}/libexec/gcc/%{gcc_target_platform}
%dir %{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}
%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/cc1
%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/liblto_plugin.so*
%files -n libgcc
%defattr(-,root,root,-)
@ -2639,6 +2641,42 @@ fi
%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/plugin
%changelog
* Mon Feb 6 2012 Jakub Jelinek <jakub@redhat.com> 4.7.0-0.11
- update from trunk
- PRs bootstrap/52039, bootstrap/52041, bootstrap/52058, c++/48680,
c++/51327, c++/51370, c++/51852, c++/52043, c++/52088, c/52118,
debug/52001, debug/52027, debug/52048, fortran/32373, fortran/41587,
fortran/41600, fortran/46356, fortran/48705, fortran/48847,
fortran/51754, fortran/51808, fortran/51870, fortran/51943,
fortran/51946, fortran/51953, fortran/51958, fortran/51970,
fortran/51972, fortran/51977, fortran/52012, fortran/52013,
fortran/52016, fortran/52022, fortran/52024, fortran/52029,
fortran/52038, fortran/52093, fortran/52102, go/47656, go/48501,
libitm/51822, libjava/48512, libstdc++/49445, libstdc++/51649,
libstdc++/51795, libstdc++/51798, libstdc++/51811, libstdc++/51956,
libstdc++/52068, libstdc++/52104, libstdc++/52119, libstdc++/52128,
middle-end/43967, middle-end/47982, middle-end/48071,
middle-end/51389, middle-end/51959, middle-end/51998,
middle-end/52047, rtl-optimization/49800, rtl-optimization/51374,
rtl-optimization/51978, rtl-optimization/52092,
rtl-optimization/52095, rtl-optimization/52113, target/51500,
target/51835, target/51871, target/51920, target/51974, target/52079,
target/52107, target/52125, target/52129, testsuite/51875,
testsuite/52011, tree-optimization/48794, tree-optimization/50444,
tree-optimization/50955, tree-optimization/50969,
tree-optimization/51528, tree-optimization/51990,
tree-optimization/52020, tree-optimization/52028,
tree-optimization/52045, tree-optimization/52046,
tree-optimization/52073, tree-optimization/52091,
tree-optimization/52115
- fix i?86 mem += reg; mem cmp 0 8-bit peephole2 (#786570, PR target/52086)
- fix fortran ICE on elemental call (#785433, PR fortran/52059)
- fix up /lib/cpp symlink for UsrMove (#787460)
- move LTO plugin into cpp subpackage (#787345)
- fix debug ICE with i387 reg-stack (#787518, PR debug/52132)
- fix ARM combine bug (PR rtl-optimization/52060)
- fix a DWARF4 .debug_types DIE cloning bug (PR debug/51950)
* Thu Jan 26 2012 Jakub Jelinek <jakub@redhat.com> 4.7.0-0.10
- update from trunk
- PRs bootstrap/51985, c++/51223, c++/51812, c++/51917, c++/51928,

96
gcc47-pr46590-revert.patch
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@ -1,96 +0,0 @@
Revert:
2012-01-19 Michael Matz <matz@suse.de>
PR tree-optimization/46590
* cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
use it in remembering which conflicts we already created.
(add_scope_conflicts): Adjust call to above, (de)allocate helper
bitmap.
--- gcc/cfgexpand.c (revision 183305)
+++ gcc/cfgexpand.c (revision 183304)
@@ -441,12 +441,11 @@ visit_conflict (gimple stmt ATTRIBUTE_UN
/* Helper routine for add_scope_conflicts, calculating the active partitions
at the end of BB, leaving the result in WORK. We're called to generate
- conflicts when OLD_CONFLICTS is non-null, otherwise we're just tracking
- liveness. If we generate conflicts then OLD_CONFLICTS stores the bits
- for which we generated conflicts already. */
+ conflicts when FOR_CONFLICT is true, otherwise we're just tracking
+ liveness. */
static void
-add_scope_conflicts_1 (basic_block bb, bitmap work, bitmap old_conflicts)
+add_scope_conflicts_1 (basic_block bb, bitmap work, bool for_conflict)
{
edge e;
edge_iterator ei;
@@ -483,7 +482,7 @@ add_scope_conflicts_1 (basic_block bb, b
}
else if (!is_gimple_debug (stmt))
{
- if (old_conflicts
+ if (for_conflict
&& visit == visit_op)
{
/* If this is the first real instruction in this BB we need
@@ -491,27 +490,16 @@ add_scope_conflicts_1 (basic_block bb, b
Unlike classical liveness for named objects we can't
rely on seeing a def/use of the names we're interested in.
There might merely be indirect loads/stores. We'd not add any
- conflicts for such partitions. We know that we generated
- conflicts between all partitions in old_conflicts already,
- so we need to generate only the new ones, avoiding to
- repeatedly pay the O(N^2) cost for each basic block. */
+ conflicts for such partitions. */
bitmap_iterator bi;
unsigned i;
-
- EXECUTE_IF_AND_COMPL_IN_BITMAP (work, old_conflicts, 0, i, bi)
+ EXECUTE_IF_SET_IN_BITMAP (work, 0, i, bi)
{
unsigned j;
bitmap_iterator bj;
- /* First the conflicts between new and old_conflicts. */
- EXECUTE_IF_SET_IN_BITMAP (old_conflicts, 0, j, bj)
- add_stack_var_conflict (i, j);
- /* Then the conflicts between only the new members. */
- EXECUTE_IF_AND_COMPL_IN_BITMAP (work, old_conflicts, i + 1,
- j, bj)
+ EXECUTE_IF_SET_IN_BITMAP (work, i + 1, j, bj)
add_stack_var_conflict (i, j);
}
- /* And remember for the next basic block. */
- bitmap_ior_into (old_conflicts, work);
visit = visit_conflict;
}
walk_stmt_load_store_addr_ops (stmt, work, visit, visit, visit);
@@ -528,7 +516,6 @@ add_scope_conflicts (void)
basic_block bb;
bool changed;
bitmap work = BITMAP_ALLOC (NULL);
- bitmap old_conflicts;
/* We approximate the live range of a stack variable by taking the first
mention of its name as starting point(s), and by the end-of-scope
@@ -550,18 +537,15 @@ add_scope_conflicts (void)
FOR_EACH_BB (bb)
{
bitmap active = (bitmap)bb->aux;
- add_scope_conflicts_1 (bb, work, NULL);
+ add_scope_conflicts_1 (bb, work, false);
if (bitmap_ior_into (active, work))
changed = true;
}
}
- old_conflicts = BITMAP_ALLOC (NULL);
-
FOR_EACH_BB (bb)
- add_scope_conflicts_1 (bb, work, old_conflicts);
+ add_scope_conflicts_1 (bb, work, true);
- BITMAP_FREE (old_conflicts);
BITMAP_FREE (work);
FOR_ALL_BB (bb)
BITMAP_FREE (bb->aux);

55
gcc47-pr51895.patch
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@ -1,55 +0,0 @@
2012-01-19 Jakub Jelinek <jakub@redhat.com>
PR middle-end/51895
* expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
non-addressable non-BLKmode base correctly.
* g++.dg/opt/pr51895.C: New test.
--- gcc/expr.c.jj 2012-01-13 21:47:35.000000000 +0100
+++ gcc/expr.c 2012-01-19 13:12:14.218760812 +0100
@@ -9328,6 +9328,16 @@ expand_expr_real_1 (tree exp, rtx target
bftype = TREE_TYPE (base);
if (TYPE_MODE (TREE_TYPE (exp)) != BLKmode)
bftype = TREE_TYPE (exp);
+ else
+ {
+ temp = assign_stack_temp (DECL_MODE (base),
+ GET_MODE_SIZE (DECL_MODE (base)),
+ 0);
+ store_expr (base, temp, 0, false);
+ temp = adjust_address (temp, BLKmode, offset);
+ set_mem_size (temp, int_size_in_bytes (TREE_TYPE (exp)));
+ return temp;
+ }
return expand_expr (build3 (BIT_FIELD_REF, bftype,
base,
TYPE_SIZE (TREE_TYPE (exp)),
--- gcc/testsuite/g++.dg/opt/pr51895.C.jj 2012-01-19 13:20:27.808899825 +0100
+++ gcc/testsuite/g++.dg/opt/pr51895.C 2012-01-19 13:21:10.042655293 +0100
@@ -0,0 +1,25 @@
+// PR middle-end/51895
+// { dg-do compile }
+// { dg-options "-O2" }
+
+struct S
+{
+ long a;
+ char b;
+ S () : a (0), b (0) {}
+ bool baz ();
+};
+
+__attribute__((noinline)) static bool
+bar (S x, S y)
+{
+ y = x;
+ return y.baz ();
+}
+
+bool
+foo (S x)
+{
+ S y;
+ return bar (x, y);
+}

54
gcc47-pr51950.patch Normal file
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@ -0,0 +1,54 @@
2012-01-25 Jakub Jelinek <jakub@redhat.com>
PR debug/51950
* dwarf2out.c (clone_tree_hash): New function.
(copy_decls_walk): Use it instead of clone_tree.
--- gcc/dwarf2out.c.jj 2012-01-23 18:23:45.000000000 +0100
+++ gcc/dwarf2out.c 2012-01-25 18:32:24.026350399 +0100
@@ -7406,6 +7406,32 @@ copy_ancestor_tree (dw_die_ref unit, dw_
return copy;
}
+/* Like clone_tree, but additionally enter all the children into
+ the hash table decl_table. */
+
+static dw_die_ref
+clone_tree_hash (dw_die_ref die, htab_t decl_table)
+{
+ dw_die_ref c;
+ dw_die_ref clone = clone_die (die);
+ struct decl_table_entry *entry;
+ void **slot = htab_find_slot_with_hash (decl_table, die,
+ htab_hash_pointer (die), INSERT);
+ /* Assert that DIE isn't in the hash table yet. If it would be there
+ before, the ancestors would be necessarily there as well, therefore
+ clone_tree_hash wouldn't be called. */
+ gcc_assert (*slot == HTAB_EMPTY_ENTRY);
+ entry = XCNEW (struct decl_table_entry);
+ entry->orig = die;
+ entry->copy = clone;
+ *slot = entry;
+
+ FOR_EACH_CHILD (die, c,
+ add_child_die (clone, clone_tree_hash (c, decl_table)));
+
+ return clone;
+}
+
/* Walk the DIE and its children, looking for references to incomplete
or trivial types that are unmarked (i.e., that are not in the current
type_unit). */
@@ -7442,7 +7468,11 @@ copy_decls_walk (dw_die_ref unit, dw_die
else
{
dw_die_ref parent = unit;
- dw_die_ref copy = clone_tree (targ);
+ dw_die_ref copy = clone_die (targ);
+
+ FOR_EACH_CHILD (targ, c,
+ add_child_die (copy,
+ clone_tree_hash (c, decl_table)));
/* Make sure the cloned tree is marked as part of the
type unit. */

43
gcc47-pr52006.patch
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@ -1,43 +0,0 @@
2012-01-26 Jakub Jelinek <jakub@redhat.com>
PR target/52006
* config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
arm_general_register_operand predicate for operand 2 instead of
register_operand.
* gcc.target/arm/pr52006.c: New test.
--- gcc/config/arm/arm.md.jj 2012-01-20 12:35:15.000000000 +0100
+++ gcc/config/arm/arm.md 2012-01-26 10:24:13.082570508 +0100
@@ -5719,7 +5719,8 @@ (define_peephole2
(const_int 8)
(match_operand 1 "" "")]
UNSPEC_PIC_BASE))
- (set (match_operand:SI 2 "register_operand" "") (mem:SI (match_dup 0)))]
+ (set (match_operand:SI 2 "arm_general_register_operand" "")
+ (mem:SI (match_dup 0)))]
"TARGET_ARM && peep2_reg_dead_p (2, operands[0])"
[(set (match_dup 2)
(mem:SI (unspec:SI [(match_dup 3)
--- gcc/testsuite/gcc.target/arm/pr52006.c.jj 2012-01-26 10:32:27.989658669 +0100
+++ gcc/testsuite/gcc.target/arm/pr52006.c 2012-01-26 10:32:34.626620068 +0100
@@ -0,0 +1,19 @@
+/* PR target/52006 */
+/* { dg-do compile } */
+/* { dg-options "-march=armv7-a -mfloat-abi=hard -O2 -fPIC" } */
+
+unsigned long a;
+static int b;
+
+void
+foo (void)
+{
+ asm volatile ("" : "=r" (b));
+}
+
+void
+bar (float f)
+{
+ if (f < b / 100.0)
+ a = 1;
+}

132
gcc47-pr52060.patch Normal file
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@ -0,0 +1,132 @@
2012-02-06 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/52060
* combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
and/or i0src_copy2 when needed.
* gcc.dg/torture/pr52060.c: New test.
--- gcc/combine.c.jj 2012-02-03 13:31:41.000000000 +0100
+++ gcc/combine.c 2012-02-06 17:49:40.000000000 +0100
@@ -2591,8 +2591,8 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx
rtx i3dest_killed = 0;
/* SET_DEST and SET_SRC of I2, I1 and I0. */
rtx i2dest = 0, i2src = 0, i1dest = 0, i1src = 0, i0dest = 0, i0src = 0;
- /* Copy of SET_SRC of I1, if needed. */
- rtx i1src_copy = 0;
+ /* Copy of SET_SRC of I1 and I0, if needed. */
+ rtx i1src_copy = 0, i0src_copy = 0, i0src_copy2 = 0;
/* Set if I2DEST was reused as a scratch register. */
bool i2scratch = false;
/* The PATTERNs of I0, I1, and I2, or a copy of them in certain cases. */
@@ -3246,6 +3246,11 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx
n_occurrences = 0;
subst_low_luid = DF_INSN_LUID (i1);
+ /* If the following substitution will modify I1SRC, make a copy of it
+ for the case where it is substituted for I1DEST in I2PAT later. */
+ if (added_sets_2 && i1_feeds_i2_n)
+ i1src_copy = copy_rtx (i1src);
+
/* If I0 feeds into I1 and I0DEST is in I0SRC, we need to make a unique
copy of I1SRC each time we substitute it, in order to avoid creating
self-referential RTL when we will be substituting I0SRC for I0DEST
@@ -3273,10 +3278,14 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx
return 0;
}
- /* If the following substitution will modify I1SRC, make a copy of it
- for the case where it is substituted for I1DEST in I2PAT later. */
- if (i0_feeds_i1_n && added_sets_2 && i1_feeds_i2_n)
- i1src_copy = copy_rtx (i1src);
+ /* If the following substitution will modify I0SRC, make a copy of it
+ for the case where it is substituted for I0DEST in I1PAT later. */
+ if (added_sets_1 && i0_feeds_i1_n)
+ i0src_copy = copy_rtx (i0src);
+ /* And a copy for I0DEST in I2PAT substitution. */
+ if (added_sets_2 && ((i0_feeds_i1_n && i1_feeds_i2_n)
+ || (i0_feeds_i2_n)))
+ i0src_copy2 = copy_rtx (i0src);
n_occurrences = 0;
subst_low_luid = DF_INSN_LUID (i0);
@@ -3342,7 +3351,7 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx
{
rtx t = i1pat;
if (i0_feeds_i1_n)
- t = subst (t, i0dest, i0src, 0, 0, 0);
+ t = subst (t, i0dest, i0src_copy ? i0src_copy : i0src, 0, 0, 0);
XVECEXP (newpat, 0, --total_sets) = t;
}
@@ -3353,7 +3362,7 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx
t = subst (t, i1dest, i1src_copy ? i1src_copy : i1src, 0, 0,
i0_feeds_i1_n && i0dest_in_i0src);
if ((i0_feeds_i1_n && i1_feeds_i2_n) || i0_feeds_i2_n)
- t = subst (t, i0dest, i0src, 0, 0, 0);
+ t = subst (t, i0dest, i0src_copy2 ? i0src_copy2 : i0src, 0, 0, 0);
XVECEXP (newpat, 0, --total_sets) = t;
}
--- gcc/testsuite/gcc.dg/torture/pr52060.c.jj 2012-02-06 18:35:51.215511107 +0100
+++ gcc/testsuite/gcc.dg/torture/pr52060.c 2012-02-06 18:34:18.000000000 +0100
@@ -0,0 +1,57 @@
+/* PR rtl-optimization/52060 */
+/* { dg-do run { target int32plus } } */
+
+extern void abort (void);
+union U { float f; unsigned int i; };
+
+static inline __attribute__((always_inline)) unsigned int
+foo (float x)
+{
+ union U u;
+ unsigned int a, b, c;
+ int d;
+ int e;
+ u.f = x;
+ d = ((unsigned) u.i >> 23) & 0xFF;
+ c = d < 126 ? 0 : ~0;
+ e = 127 + 30 - d;
+ a = (u.i << 8) | 0x80000000U;
+ b = a & ((1 << e) - 1);
+ a = a >> e;
+ c &= (b | (a & 2)) ? ~0 : ~1;
+ a = ((a + 1U) >> 1) & c;
+ return a;
+}
+
+__attribute__((noinline)) unsigned int
+bar (float x)
+{
+ unsigned int a, b, c;
+ static const unsigned int d[128] =
+ {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 6, 7
+ };
+ a = foo (1048575.0f * x);
+ c = d[a >> 13];
+ b = (c << 13) | ((a >> (7 - c)) & 0x1fff);
+ return b;
+}
+
+int
+main ()
+{
+ union U u;
+ u.f = 1048575.0f;
+ if (sizeof (u.i) == sizeof (u.f)
+ && u.i == 0x497ffff0U
+ && bar (1.0f) != 65535)
+ abort ();
+ return 0;
+}

47
gcc47-pr52132.patch Normal file
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@ -0,0 +1,47 @@
2012-02-06 Jakub Jelinek <jakub@redhat.com>
PR debug/52132
* reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
get_true_reg.
* gcc.dg/pr52132.c: New test.
--- gcc/reg-stack.c.jj 2011-12-01 11:45:06.000000000 +0100
+++ gcc/reg-stack.c 2012-02-06 11:13:28.777795938 +0100
@@ -1323,14 +1323,10 @@ compare_for_stack_reg (rtx insn, stack r
static int
subst_stack_regs_in_debug_insn (rtx *loc, void *data)
{
- rtx *tloc = get_true_reg (loc);
stack regstack = (stack)data;
int hard_regno;
- if (!STACK_REG_P (*tloc))
- return 0;
-
- if (tloc != loc)
+ if (!STACK_REG_P (*loc))
return 0;
hard_regno = get_hard_regnum (regstack, *loc);
--- gcc/testsuite/gcc.dg/pr52132.c.jj 2012-02-06 11:14:23.572547529 +0100
+++ gcc/testsuite/gcc.dg/pr52132.c 2012-02-06 11:14:46.656442861 +0100
@@ -0,0 +1,18 @@
+/* PR debug/52132 */
+/* { dg-do compile } */
+/* { dg-options "-std=c99 -O2 -g" } */
+
+int l;
+void bar (void);
+
+void
+foo (int *x, float y)
+{
+ float b;
+ union { float f; int i; } u = { .f = y };
+ u.i += 127 << 23;
+ u.f = ((-1.0f / 3) * u.f + 2) * u.f - 2.0f / 3;
+ b = 0.5 * (u.f + l);
+ if (b >= *x)
+ bar ();
+}

2
sources
View File

@ -1,2 +1,2 @@
2659f09c2e43ef8b7d4406321753f1b2 fastjar-0.97.tar.gz
d96c83882dc395b8465feb9f86ba999d gcc-4.7.0-20120126.tar.bz2
1007011c629089b6cb283d2dd77e847b gcc-4.7.0-20120206.tar.bz2