Jason Merrill [Tue, 1 Apr 2014 17:28:29 +0000 (13:28 -0400)]
Core DR 475 PR c++/41174 PR c++/59224
Core DR 475
PR c++/41174
PR c++/59224
* libsupc++/eh_throw.cc (__cxa_throw): Set uncaughtExceptions.
* libsupc++/eh_alloc.cc (__cxa_allocate_dependent_exception)
(__cxa_allocate_exception): Don't set it here.
Jonathan Wakely [Tue, 25 Mar 2014 20:40:17 +0000 (20:40 +0000)]
re PR libstdc++/60658 (std::atomic<T*> is unexpectedly not lock-free)
PR libstdc++/60658
* include/bits/atomic_base.h (__atomic_base<_PTp*>::is_lock_free()):
Use sizeof pointer type not the element type.
* testsuite/29_atomics/atomic/60658.cc: New.
Jakub Jelinek [Thu, 20 Mar 2014 16:34:32 +0000 (17:34 +0100)]
re PR target/60568 (lto1: internal compiler error: in insn_min_length, at config/i386/i386.md:1599)
PR target/60568
* config/i386/i386.c (x86_output_mi_thunk): Surround UNSPEC_GOT
into CONST, put pic register as first operand of PLUS. Use
gen_const_mem for both 32-bit and 64-bit PIC got loads.
Richard Biener [Tue, 18 Mar 2014 10:58:22 +0000 (10:58 +0000)]
backport: [multiple changes]
2014-03-18 Richard Biener <rguenther@suse.de>
Backport from mainline
2013-11-05 Richard Biener <rguenther@suse.de>
PR middle-end/58941
* tree-dfa.c (get_ref_base_and_extent): Merge common code
in MEM_REF and TARGET_MEM_REF handling. Make sure to
process trailing array detection before diving into the
view-converted object (and possibly apply some extra offset).
* gcc.dg/torture/pr58941.c: New testcase.
2012-05-07 Eric Botcazou <ebotcazou@adacore.com>
* tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
computation using the precision of the index type.
2012-05-31 Eric Botcazou <ebotcazou@adacore.com>
* tree-dfa.c (get_ref_base_and_extent): Compute the offset using
double ints throughout.
Richard Biener [Tue, 18 Mar 2014 08:46:21 +0000 (08:46 +0000)]
backport: [multiple changes]
2014-03-18 Richard Biener <rguenther@suse.de>
Backport from mainline
2013-08-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/57521
* tree-if-conv.c (if_convertible_bb_p): Verify that at least
one edge is non-critical.
(find_phi_replacement_condition): Make sure to use a non-critical
edge. Cleanup and remove old bug workarounds.
(bb_postdominates_preds): Remove.
(if_convertible_loop_p_1): Do not compute post-dominators.
(combine_blocks): Do not free post-dominators.
(main_tree_if_conversion): Likewise.
Jerry DeLisle [Sat, 15 Mar 2014 23:06:44 +0000 (23:06 +0000)]
backport: re PR fortran/58324 (Bogus END-of-line error with list-directed I/O of file without trailing sequential record marker)
2014-03-15 Jerry DeLisle <jvdelisle@gcc.gnu>
Backport from mainline
PR libfortran/58324
PR libfortran/38199
* intrinsics/string_intriniscs_inc.c (string_len_trim):
Remove prototypes for string_len_trim and move to...
* libgfortran.h (string_len_trim): ... here and
(string_len_trim_char4): ...here.
* io/list_read.c (finish_list_read): Read one character to check
for the end of the file. If it is the end, then issue the file
end error message. If not, use eat_line to reach the end
without giving error. The next attempt to read will then
issue the error as described above.
* io/read.c (read_decimal): Quickly skip spaces to avoid calls
to next_char.
* io/unit.c (is_trim_ok): New helper function to check various
conditions to see if its OK to trim the internal unit string.
(get_internal_unit): Use LEN_TRIM to shorten selected internal
unit strings for optimizing READ. Enable this optimization for
formatted READ.
Backport from mainline
PR libfortran/58324
* gfortran.dg/list_read_12.f90: New test.
Georg-Johann Lay [Fri, 14 Mar 2014 09:52:07 +0000 (09:52 +0000)]
backport: re PR target/59396 ([avr] Wrong warning with ISR() and -flto)
Backport from 2014-03-14 trunk r208562.
PR target/59396
* config/avr/avr.c (avr_set_current_function): Pass function name
through default_strip_name_encoding before sanity checking instead
of skipping the first char of the assembler name.
Eric Botcazou [Thu, 13 Mar 2014 15:43:01 +0000 (15:43 +0000)]
re PR ada/51483 (cstand.adb:Register_Float_Type makes invalid assumption about FP modes)
PR ada/51483
* back_end.ads (Register_Type_Proc): Add 'precision' parameter.
* cstand.adb (Register_Float_Type): Add 'precision' parameter and use
it to set the RM size. Use directly 'size' for the Esize.
* gcc-interface/gigi.h (enumerate_modes): Add integer parameter.
* gcc-interface/misc.c (enumerate_modes): Likewise. Do not register
types for vector modes, pass the size in addition to the precision.
Uros Bizjak [Fri, 21 Feb 2014 07:55:35 +0000 (08:55 +0100)]
backport: re PR target/57896 (ICE in expand_expr_real_2)
Backport from mainline
2014-02-21 Jakub Jelinek <jakub@redhat.com>
* config/i386/i386.c (ix86_expand_vec_perm): Use V8SImode
mode for mask of V8SFmode permutation.
Backport from 4.8 branch
2014-02-20 Jakub Jelinek <jakub@redhat.com>
PR target/57896
* config/i386/i386.c (expand_vec_perm_interleave2): Don't call
gen_reg_rtx if d->testing_p.
(expand_vec_perm_pshufb2, expand_vec_perm_even_odd_1,
expand_vec_perm_broadcast_1): Return early if d->testing_p and
we will certainly return true.
Kai Tietz [Tue, 18 Feb 2014 13:46:38 +0000 (14:46 +0100)]
backport: re PR target/60193 (ICE on big nested frame)
2014-02-18 Kai Tietz <ktietz@redhat.com>
Backport from mainline
PR target/60193
* config/i386/i386.c (ix86_expand_prologue): Use
rax register as displacement for restoring %r10, %rax.
Additional fix wrong offset for restoring both-registers.
2014-02-18 Kai Tietz <ktietz@redhat.com>
PR target/60193
* gcc.target/i386/nest-1.c: New testcase.
Jakub Jelinek [Tue, 18 Feb 2014 07:32:17 +0000 (08:32 +0100)]
re PR driver/60233 (AVX instructions emitted with -march=native on host without AVX support)
PR driver/60233
* config/i386/driver-i386.c (host_detect_local_cpu): If
YMM state is not saved by the OS, also clear has_f16c. Move
CPUID 0x80000001 handling before YMM state saving checking.
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