7.2.1-5
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2
gcc.spec
2
gcc.spec
@ -225,7 +225,6 @@ Provides: bundled(libiberty)
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Provides: gcc(major) = %{gcc_major}
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Patch0: gcc7-hack.patch
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Patch1: gcc7-ppc32-retaddr.patch
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Patch2: gcc7-i386-libgomp.patch
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Patch3: gcc7-sparc-config-detection.patch
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Patch4: gcc7-libgomp-omp_h-multilib.patch
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@ -834,7 +833,6 @@ package or when debugging this package.
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%prep
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%setup -q -n gcc-%{version}-%{DATE} -a 1 -a 2
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%patch0 -p0 -b .hack~
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%patch1 -p0 -b .ppc32-retaddr~
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%patch2 -p0 -b .i386-libgomp~
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%patch3 -p0 -b .sparc-config-detection~
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%patch4 -p0 -b .libgomp-omp_h-multilib~
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@ -1,87 +0,0 @@
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2005-11-28 Jakub Jelinek <jakub@redhat.com>
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* config/rs6000/rs6000.c (rs6000_return_addr): If COUNT == 0,
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read word RETURN_ADDRESS_OFFSET bytes above arg_pointer_rtx
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instead of doing an extran indirection from frame_pointer_rtx.
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* gcc.dg/20051128-1.c: New test.
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--- gcc/config/rs6000/rs6000.c.jj 2005-11-26 14:38:01.000000000 +0100
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+++ gcc/config/rs6000/rs6000.c 2005-11-28 20:32:18.000000000 +0100
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@@ -20970,18 +20970,22 @@ rs6000_return_addr (int count, rtx frame
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if (count != 0
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|| ((DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_DARWIN) && flag_pic))
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{
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+ rtx x;
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cfun->machine->ra_needs_full_frame = 1;
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- return
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- gen_rtx_MEM
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- (Pmode,
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- memory_address
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- (Pmode,
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- plus_constant (Pmode,
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- copy_to_reg
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- (gen_rtx_MEM (Pmode,
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- memory_address (Pmode, frame))),
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- RETURN_ADDRESS_OFFSET)));
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+ if (count == 0)
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+ {
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+ gcc_assert (frame == frame_pointer_rtx);
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+ x = arg_pointer_rtx;
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+ }
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+ else
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+ {
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+ x = memory_address (Pmode, frame);
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+ x = copy_to_reg (gen_rtx_MEM (Pmode, x));
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+ }
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+
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+ x = plus_constant (Pmode, x, RETURN_ADDRESS_OFFSET);
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+ return gen_rtx_MEM (Pmode, memory_address (Pmode, x));
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}
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cfun->machine->ra_need_lr = 1;
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--- gcc/testsuite/gcc.dg/20051128-1.c.jj 2005-10-10 11:21:41.096999000 +0200
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+++ gcc/testsuite/gcc.dg/20051128-1.c 2005-11-28 12:30:57.000000000 +0100
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@@ -0,0 +1,41 @@
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+/* { dg-do run } */
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+/* { dg-options "-O2 -fpic" } */
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+
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+extern void exit (int);
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+extern void abort (void);
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+
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+int b;
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+
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+struct A
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+{
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+ void *pad[147];
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+ void *ra, *h;
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+ long o;
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+};
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+
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+void
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+__attribute__((noinline))
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+foo (struct A *a, void *x)
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+{
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+ __builtin_memset (a, 0, sizeof (a));
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+ if (!b)
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+ exit (0);
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+}
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+
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+void
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+__attribute__((noinline))
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+bar (void)
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+{
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+ struct A a;
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+
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+ __builtin_unwind_init ();
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+ foo (&a, __builtin_return_address (0));
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+}
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+
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+int
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+main (void)
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+{
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+ bar ();
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+ abort ();
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+ return 0;
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+}
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