[Bug target/59379] [4.9 Regression] gomp_init_num_threads is compiled into an infinite loop with --with-arch=corei7 --with-cpu=slm

["ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59379

--- Comment #16 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to H.J. Lu from comment #15)

> Either patch fixes the problem.

I prefer first patch. It splits all LEAs, where ix86_avoid_lea_for_addr is
true.
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Subject: [Bug target/59379] [4.9 Regression] gomp_init_num_threads is compiled into an infinite loop with --with-arch=corei7  --with-cpu=slm
Date: Sat, 18 Jan 2014 20:01:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59379

--- Comment #17 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Uroš Bizjak from comment #16)
> (In reply to H.J. Lu from comment #15)
> 
> > Either patch fixes the problem.
> 
> I prefer first patch. It splits all LEAs, where ix86_avoid_lea_for_addr is
> true.

Then we should avoid the extra

(set (reg:DI) (zero_extend:DI (reg:SI)))

by

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index ff210c8..346b0cb 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -18342,6 +18342,23 @@ ix86_split_lea_for_addr (rtx insn, rtx operands[],
enum machine_mode mode)
     }
   else
     {
+      if (mode != GET_MODE (operands[0]))
+    {
+      gcc_assert (mode == SImode && GET_MODE (operands[0]) == DImode);
+      if ((!parts.disp || parts.disp == const0_rtx)
+          && ((parts.base && !parts.index)
+          || (!parts.base && parts.index)))
+        {
+          if (parts.base)
+        emit_insn (gen_zero_extendsidi2 (operands[0],
+                         parts.base));
+          else
+        emit_insn (gen_zero_extendsidi2 (operands[0],
+                         parts.index));
+          return;
+        }
+    }
+
       if (!parts.base)
     {
       if (regno0 != regno2)
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Subject: [Bug fortran/58007] [4.7/4.9 Regression] [OOP] ICE in free_pi_tree(): Unresolved fixup - resolve_fixups does not fixup component of __class_bsr_Bsr_matrix
Date: Sat, 18 Jan 2014 20:06:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idX007

--- Comment #13 from Mikael Morin <mikael at gcc dot gnu.org> ---
Author: mikael
Date: Sat Jan 18 20:05:25 2014
New Revision: 206759

URL: http://gcc.gnu.org/viewcvs?rev 6759&root=gcc&view=rev
Log:
fortran/
        PR fortran/58007
        * module.c (MOD_VERSION): Bump.
        (fp2, find_pointer2): Remove.
        (mio_component_ref): Don't forcedfully set the containing derived type
        symbol for loading.  Remove unused argument.
        (mio_ref): Update caller
        (mio_symbol): Dump component list earlier.
        (skip_list): New argument nest_level.  Initialize level with the new
        argument.
        (read_module): Add forced pointer components association for derived
        type symbols.

testsuite/
        PR fortran/58007
        * gfortran.dg/unresolved_fixup_1.f90: New test.
        * gfortran.dg/unresolved_fixup_2.f90: New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/unresolved_fixup_1.f90
    trunk/gcc/testsuite/gfortran.dg/unresolved_fixup_2.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/module.c
    trunk/gcc/testsuite/ChangeLog