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4.4.0-0.30

This commit is contained in:
Jakub Jelinek 2009-03-28 09:33:10 +00:00
parent a1dd9faa06
commit babb47d673
11 changed files with 709 additions and 322 deletions
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2
.cvsignore
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@ -1,2 +1,2 @@
fastjar-0.97.tar.gz
gcc-4.4.0-20090324.tar.bz2
gcc-4.4.0-20090328.tar.bz2

33
gcc.spec
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@ -1,9 +1,9 @@
%define DATE 20090324
%define SVNREV 145019
%define DATE 20090328
%define SVNREV 145167
%define gcc_version 4.4.0
# Note, gcc_release must be integer, if you want to add suffixes to
# %{release}, append them after %{gcc_release} on Release: line.
%define gcc_release 0.29
%define gcc_release 0.30
%define _unpackaged_files_terminate_build 0
%define multilib_64_archs sparc64 ppc64 s390x x86_64
%define include_gappletviewer 1
@ -137,8 +137,6 @@ Patch2: gcc44-c++-builtin-redecl.patch
Patch3: gcc44-ia64-libunwind.patch
Patch4: gcc44-java-nomulti.patch
Patch5: gcc44-ppc32-retaddr.patch
Patch7: gcc44-pr27898.patch
Patch8: gcc44-pr32139.patch
Patch9: gcc44-pr33763.patch
Patch10: gcc44-rh330771.patch
Patch11: gcc44-rh341221.patch
@ -154,8 +152,10 @@ Patch25: gcc44-pr39226.patch
Patch26: gcc44-power7.patch
Patch27: gcc44-power7-2.patch
Patch28: gcc44-pr38757.patch
Patch29: gcc44-pr37959.patch
Patch30: gcc44-memmove-opt.patch
Patch29: gcc44-altivec-vector.patch
Patch30: gcc44-pr39543.patch
Patch31: gcc44-pr39558.patch
Patch32: gcc44-pr39563.patch
Patch1000: fastjar-0.97-segfault.patch
@ -428,8 +428,6 @@ which are required to compile with the GNAT.
%patch3 -p0 -b .ia64-libunwind~
%patch4 -p0 -b .java-nomulti~
%patch5 -p0 -b .ppc32-retaddr~
%patch7 -p0 -b .pr27898~
%patch8 -p0 -b .pr32139~
%patch9 -p0 -b .pr33763~
%patch10 -p0 -b .rh330771~
%patch11 -p0 -b .rh341221~
@ -447,8 +445,10 @@ which are required to compile with the GNAT.
%patch26 -p0 -b .power7~
%patch27 -p0 -b .power7-2~
%patch28 -p0 -b .pr38757~
%patch29 -p0 -b .pr37959~
%patch30 -p0 -b .memmove-opt~
%patch29 -p0 -b .altivec-vector~
%patch30 -p0 -b .pr39543~
%patch31 -p0 -b .pr39558~
%patch32 -p0 -b .pr39563~
# This testcase doesn't compile.
rm libjava/testsuite/libjava.lang/PR35020*
@ -1759,6 +1759,17 @@ fi
%doc rpm.doc/changelogs/libmudflap/ChangeLog*
%changelog
* Sat Mar 28 2009 Jakub Jelinek <jakub@redhat.com> 4.4.0-0.30
- update from gcc-4_4-branch
- PRs c++/39380, c++/28274, c++/29727, c++/35652, c++/36799, c++/37647,
c++/38638, c++/39554, libfortran/39528, middle-end/39497,
rtl-optimization/39522, target/38034, target/39523,
tree-optimization/39529, tree-optimization/39548,
tree-optimization/39557
- emit debuginfo for block local externs in C (PR debug/39563)
- fix -maltivec conditional vector macro (PR target/39558)
- teach fwprop to handle asm (PR rtl-optimization/39543)
* Tue Mar 24 2009 Jakub Jelinek <jakub@redhat.com> 4.4.0-0.29
- update from trunk
- PRs c++/28879, c++/37729, c++/39526, debug/39524, tree-optimization/39516

51
gcc44-altivec-vector.patch Normal file
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@ -0,0 +1,51 @@
2009-03-27 Jakub Jelinek <jakub@redhat.com>
* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
following vector keyword has expansion starting with pixel or bool
keyword, expand vector to __vector and pixel or bool to __pixel or
__bool.
* gcc.target/powerpc/altivec-28.c: New test.
--- gcc/config/rs6000/rs6000-c.c.jj 2008-10-23 13:21:36.000000000 +0200
+++ gcc/config/rs6000/rs6000-c.c 2009-03-27 11:45:50.000000000 +0100
@@ -188,7 +188,19 @@ rs6000_macro_to_expand (cpp_reader *pfil
tok = cpp_peek_token (pfile, idx++);
while (tok->type == CPP_PADDING);
ident = altivec_categorize_keyword (tok);
- if (ident)
+ if (ident == C_CPP_HASHNODE (__pixel_keyword))
+ {
+ expand_this = C_CPP_HASHNODE (__vector_keyword);
+ expand_bool_pixel = __pixel_keyword;
+ rid_code = RID_MAX;
+ }
+ else if (ident == C_CPP_HASHNODE (__bool_keyword))
+ {
+ expand_this = C_CPP_HASHNODE (__vector_keyword);
+ expand_bool_pixel = __bool_keyword;
+ rid_code = RID_MAX;
+ }
+ else if (ident)
rid_code = (enum rid)(ident->rid_code);
}
--- gcc/testsuite/gcc.target/powerpc/altivec-28.c.jj 2009-03-27 11:47:23.000000000 +0100
+++ gcc/testsuite/gcc.target/powerpc/altivec-28.c 2009-03-27 11:50:15.000000000 +0100
@@ -0,0 +1,16 @@
+/* { dg-do compile { target powerpc*-*-* } } */
+/* { dg-require-effective-target powerpc_altivec_ok } */
+/* { dg-options "-maltivec" } */
+
+#define B bool
+#define P pixel
+#define I int
+#define BI bool int
+#define PI pixel int
+
+vector B int i;
+vector P int j;
+vector B I k;
+vector P I l;
+vector BI m;
+vector PI n;

128
gcc44-memmove-opt.patch
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@ -1,128 +0,0 @@
2009-03-18 Jakub Jelinek <jakub@redhat.com>
* builtins.c (fold_builtin_memory_op): Optimize memmove
into memcpy if we can prove source and destination don't overlap.
* gcc.dg/memmove-2.c: New test.
* gcc.dg/memmove-3.c: New test.
--- gcc/builtins.c.jj 2009-03-04 20:06:31.000000000 +0100
+++ gcc/builtins.c 2009-03-18 18:19:28.000000000 +0100
@@ -8882,17 +8882,74 @@ fold_builtin_memory_op (tree dest, tree
really mandatory?
If either SRC is readonly or length is 1, we can use memcpy. */
- if (dest_align && src_align
- && (readonly_data_expr (src)
- || (host_integerp (len, 1)
- && (MIN (src_align, dest_align) / BITS_PER_UNIT >=
- tree_low_cst (len, 1)))))
+ if (!dest_align || !src_align)
+ return NULL_TREE;
+ if (readonly_data_expr (src)
+ || (host_integerp (len, 1)
+ && (MIN (src_align, dest_align) / BITS_PER_UNIT >=
+ tree_low_cst (len, 1))))
{
tree fn = implicit_built_in_decls[BUILT_IN_MEMCPY];
if (!fn)
return NULL_TREE;
return build_call_expr (fn, 3, dest, src, len);
}
+
+ /* If *src and *dest can't overlap, optimize into memcpy as well. */
+ srcvar = build_fold_indirect_ref (src);
+ destvar = build_fold_indirect_ref (dest);
+ if (srcvar && !TREE_THIS_VOLATILE (srcvar)
+ && destvar && !TREE_THIS_VOLATILE (destvar))
+ {
+ tree src_base, dest_base, fn;
+ HOST_WIDE_INT src_offset = 0, dest_offset = 0;
+ HOST_WIDE_INT size = -1;
+ HOST_WIDE_INT maxsize = -1;
+
+ src_base = srcvar;
+ if (handled_component_p (src_base))
+ src_base = get_ref_base_and_extent (src_base, &src_offset,
+ &size, &maxsize);
+ dest_base = destvar;
+ if (handled_component_p (dest_base))
+ dest_base = get_ref_base_and_extent (dest_base, &dest_offset,
+ &size, &maxsize);
+ if (host_integerp (len, 1))
+ {
+ maxsize = tree_low_cst (len, 1);
+ if (maxsize
+ > INTTYPE_MAXIMUM (HOST_WIDE_INT) / BITS_PER_UNIT)
+ maxsize = -1;
+ else
+ maxsize *= BITS_PER_UNIT;
+ }
+ else
+ maxsize = -1;
+ if (SSA_VAR_P (src_base)
+ && SSA_VAR_P (dest_base))
+ {
+ if (operand_equal_p (src_base, dest_base, 0)
+ && ranges_overlap_p (src_offset, maxsize,
+ dest_offset, maxsize))
+ return NULL_TREE;
+ }
+ else if (TREE_CODE (src_base) == INDIRECT_REF
+ && TREE_CODE (dest_base) == INDIRECT_REF)
+ {
+ if (! operand_equal_p (TREE_OPERAND (src_base, 0),
+ TREE_OPERAND (dest_base, 0), 0)
+ || ranges_overlap_p (src_offset, maxsize,
+ dest_offset, maxsize))
+ return NULL_TREE;
+ }
+ else
+ return NULL_TREE;
+
+ fn = implicit_built_in_decls[BUILT_IN_MEMCPY];
+ if (!fn)
+ return NULL_TREE;
+ return build_call_expr (fn, 3, dest, src, len);
+ }
return NULL_TREE;
}
--- gcc/testsuite/gcc.dg/memmove-2.c.jj 2009-03-18 18:30:17.000000000 +0100
+++ gcc/testsuite/gcc.dg/memmove-2.c 2009-03-18 18:30:49.000000000 +0100
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+/* { dg-final { scan-tree-dump-times "memmove" 0 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
+
+char a[40];
+extern void bar (char *);
+
+void
+foo (void)
+{
+ char b[10];
+ __builtin_memmove (&a[0], &a[20], 20);
+ __builtin_memmove (&b[1], &a[25], 9);
+ bar (b);
+}
--- gcc/testsuite/gcc.dg/memmove-3.c.jj 2009-03-18 18:30:19.000000000 +0100
+++ gcc/testsuite/gcc.dg/memmove-3.c 2009-03-18 18:31:01.000000000 +0100
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+/* { dg-final { scan-tree-dump-times "memmove" 3 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
+
+char a[40];
+struct A { char a[30]; };
+
+void
+foo (struct A *p, char *q, char *r)
+{
+ char b[10];
+ __builtin_memmove (&a[1], &a[19], 20);
+ __builtin_memmove (&p->a[1], &p->a[9], 10);
+ __builtin_memmove (q, r, 9);
+}

16
gcc44-pr27898.patch
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@ -1,16 +0,0 @@
2006-08-18 Jakub Jelinek <jakub@redhat.com>
PR c/27898
* gcc.dg/pr27898.c: New test.
--- gcc/testsuite/gcc.dg/pr27898.c.jj 2006-08-18 09:19:33.000000000 +0200
+++ gcc/testsuite/gcc.dg/pr27898.c 2006-08-18 09:19:27.000000000 +0200
@@ -0,0 +1,8 @@
+/* PR c/27898 */
+/* { dg-do compile } */
+/* { dg-options "--combine" } */
+/* { dg-additional-sources "pr27898.c" } */
+
+union u { struct { int i; }; };
+
+extern int foo (union u *);

19
gcc44-pr32139.patch
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@ -1,19 +0,0 @@
2007-06-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/32139
* gcc.c-torture/compile/20070531-1.c: New test.
--- gcc/testsuite/gcc.c-torture/compile/20070531-1.c.jj 2007-05-31 13:47:22.000000000 +0200
+++ gcc/testsuite/gcc.c-torture/compile/20070531-1.c 2007-06-01 10:57:15.000000000 +0200
@@ -0,0 +1,11 @@
+/* PR tree-optimization/32139 */
+int foo (void);
+int bar (void) __attribute__ ((const));
+
+int
+test (int x)
+{
+ int a = (x == 10000 ? foo : bar) ();
+ int b = (x == 10000 ? foo : bar) ();
+ return a + b;
+}

146
gcc44-pr37959.patch
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@ -1,146 +0,0 @@
2009-03-18 Dodji Seketeli <dodji@redhat.com>
Jakub Jelinek <jakub@redhat.com>
PR debug/37959
* dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
(gen_subprogram_die): When a function is explicit, generate the DW_AT_explicit
attribute.
* langhooks.h (struct lang_hooks_for_decls): Add function_decl_explicit_p
langhook.
* langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
(LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
* cp-objcp-common.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
(cp_function_decl_explicit_p): New prototype.
* cp-objcp-common.c (cp_function_decl_explicit_p): New function.
* g++.dg/debug/dwarf2/explicit-constructor.C: New test.
--- gcc/cp/cp-objcp-common.c.jj 2009-03-05 22:32:17.000000000 +0100
+++ gcc/cp/cp-objcp-common.c 2009-03-18 14:31:17.000000000 +0100
@@ -1,5 +1,5 @@
/* Some code common to C++ and ObjC++ front ends.
- Copyright (C) 2004, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Ziemowit Laski <zlaski@apple.com>
This file is part of GCC.
@@ -203,6 +203,16 @@ cxx_staticp (tree arg)
return NULL_TREE;
}
+/* Return true if DECL is explicit member function. */
+
+bool
+cp_function_decl_explicit_p (tree decl)
+{
+ return (decl
+ && FUNCTION_FIRST_USER_PARMTYPE (decl) != void_list_node
+ && DECL_NONCONVERTING_P (decl));
+}
+
/* Stubs to keep c-opts.c happy. */
void
push_file_scope (void)
--- gcc/cp/cp-objcp-common.h.jj 2009-03-02 16:21:33.000000000 +0100
+++ gcc/cp/cp-objcp-common.h 2009-03-18 14:33:51.000000000 +0100
@@ -1,5 +1,5 @@
/* Language hooks common to C++ and ObjC++ front ends.
- Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Ziemowit Laski <zlaski@apple.com>
This file is part of GCC.
@@ -26,6 +26,8 @@ along with GCC; see the file COPYING3.
extern tree objcp_tsubst_copy_and_build (tree, tree, tsubst_flags_t,
tree, bool);
+extern bool cp_function_decl_explicit_p (tree decl);
+
/* Lang hooks that are shared between C++ and ObjC++ are defined here. Hooks
specific to C++ or ObjC++ go in cp/cp-lang.c and objcp/objcp-lang.c,
respectively. */
@@ -131,6 +133,8 @@ extern tree objcp_tsubst_copy_and_build
#define LANG_HOOKS_TO_TARGET_CHARSET c_common_to_target_charset
#undef LANG_HOOKS_GIMPLIFY_EXPR
#define LANG_HOOKS_GIMPLIFY_EXPR cp_gimplify_expr
+#undef LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P
+#define LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P cp_function_decl_explicit_p
#undef LANG_HOOKS_OMP_PREDETERMINED_SHARING
#define LANG_HOOKS_OMP_PREDETERMINED_SHARING cxx_omp_predetermined_sharing
#undef LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR
--- gcc/langhooks-def.h.jj 2009-03-18 14:24:43.000000000 +0100
+++ gcc/langhooks-def.h 2009-03-18 14:32:37.000000000 +0100
@@ -190,6 +190,7 @@ extern tree lhd_make_node (enum tree_cod
#define LANG_HOOKS_GLOBAL_BINDINGS_P global_bindings_p
#define LANG_HOOKS_PUSHDECL pushdecl
#define LANG_HOOKS_GETDECLS getdecls
+#define LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P hook_bool_tree_false
#define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL lhd_warn_unused_global_decl
#define LANG_HOOKS_WRITE_GLOBALS write_global_declarations
#define LANG_HOOKS_DECL_OK_FOR_SIBCALL lhd_decl_ok_for_sibcall
@@ -209,6 +210,7 @@ extern tree lhd_make_node (enum tree_cod
LANG_HOOKS_GLOBAL_BINDINGS_P, \
LANG_HOOKS_PUSHDECL, \
LANG_HOOKS_GETDECLS, \
+ LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P, \
LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, \
LANG_HOOKS_WRITE_GLOBALS, \
LANG_HOOKS_DECL_OK_FOR_SIBCALL, \
--- gcc/langhooks.h.jj 2009-03-18 14:24:43.000000000 +0100
+++ gcc/langhooks.h 2009-03-18 14:32:06.000000000 +0100
@@ -159,6 +159,9 @@ struct lang_hooks_for_decls
/* Returns the chain of decls so far in the current scope level. */
tree (*getdecls) (void);
+ /* Returns true if DECL is explicit member function. */
+ bool (*function_decl_explicit_p) (tree);
+
/* Returns true when we should warn for an unused global DECL.
We will already have checked that it has static binding. */
bool (*warn_unused_global) (const_tree);
--- gcc/dwarf2out.c.jj 2009-03-18 14:24:43.000000000 +0100
+++ gcc/dwarf2out.c 2009-03-18 14:33:04.000000000 +0100
@@ -5599,6 +5599,8 @@ dwarf_attr_name (unsigned int attr)
return "DW_AT_encoding";
case DW_AT_external:
return "DW_AT_external";
+ case DW_AT_explicit:
+ return "DW_AT_explicit";
case DW_AT_frame_base:
return "DW_AT_frame_base";
case DW_AT_friend:
@@ -13620,6 +13622,11 @@ gen_subprogram_die (tree decl, dw_die_re
{
add_AT_flag (subr_die, DW_AT_declaration, 1);
+ /* If this is an explicit function declaration then generate
+ a DW_AT_explicit attribute. */
+ if (lang_hooks.decls.function_decl_explicit_p (decl))
+ add_AT_flag (subr_die, DW_AT_explicit, 1);
+
/* The first time we see a member function, it is in the context of
the class to which it belongs. We make sure of this by emitting
the class first. The next time is the definition, which is
--- gcc/testsuite/g++.dg/debug/dwarf2/explicit-constructor.C.jj 2009-03-18 14:24:55.000000000 +0100
+++ gcc/testsuite/g++.dg/debug/dwarf2/explicit-constructor.C 2009-03-18 14:24:55.000000000 +0100
@@ -0,0 +1,19 @@
+// Contributed by Dodji Seketeli <dodji@redhat.com>
+// Origin: PR c++
+// { dg-do compile }
+// { dg-options "-O -g -dA" }
+// { dg-final { scan-assembler-times "DW_AT_explicit" 2 } }
+
+struct Foo
+{
+ Foo () {}
+ explicit Foo (int) {}
+ Foo (char) {}
+ ~Foo () {};
+};
+
+void
+bar ()
+{
+ Foo foo;
+}

286
gcc44-pr39543.patch Normal file
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@ -0,0 +1,286 @@
2009-03-27 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/39543
* fwprop.c (forward_propagate_asm): New function.
(forward_propagate_and_simplify): Propagate also into __asm, if it
doesn't increase the number of referenced registers.
* gcc.target/i386/pr39543-1.c: New test.
* gcc.target/i386/pr39543-2.c: New test.
* gcc.target/i386/pr39543-3.c: New test.
--- gcc/fwprop.c.jj 2009-03-27 07:55:33.000000000 +0100
+++ gcc/fwprop.c 2009-03-27 10:00:48.000000000 +0100
@@ -1,5 +1,5 @@
/* RTL-based forward propagation pass for GNU compiler.
- Copyright (C) 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Paolo Bonzini and Steven Bosscher.
This file is part of GCC.
@@ -852,6 +852,73 @@ forward_propagate_subreg (df_ref use, rt
return false;
}
+/* Try to replace USE with SRC (defined in DEF_INSN) in __asm. */
+
+static bool
+forward_propagate_asm (df_ref use, rtx def_insn, rtx def_set, rtx reg)
+{
+ rtx use_insn = DF_REF_INSN (use), src, use_pat, asm_operands, new_rtx, *loc;
+ int speed_p, i;
+ df_ref *use_vec;
+
+ gcc_assert ((DF_REF_FLAGS (use) & DF_REF_IN_NOTE) == 0);
+
+ src = SET_SRC (def_set);
+ use_pat = PATTERN (use_insn);
+
+ /* In __asm don't replace if src might need more registers than
+ reg, as that could increase register pressure on the __asm. */
+ use_vec = DF_INSN_USES (def_insn);
+ if (use_vec[0] && use_vec[1])
+ return false;
+
+ speed_p = optimize_bb_for_speed_p (BLOCK_FOR_INSN (use_insn));
+ asm_operands = NULL_RTX;
+ switch (GET_CODE (use_pat))
+ {
+ case ASM_OPERANDS:
+ asm_operands = use_pat;
+ break;
+ case SET:
+ loc = &SET_DEST (use_pat);
+ new_rtx = propagate_rtx (*loc, GET_MODE (*loc), reg, src, speed_p);
+ if (new_rtx)
+ validate_unshare_change (use_insn, loc, new_rtx, true);
+ asm_operands = SET_SRC (use_pat);
+ break;
+ case PARALLEL:
+ for (i = 0; i < XVECLEN (use_pat, 0); i++)
+ if (GET_CODE (XVECEXP (use_pat, 0, i)) == SET)
+ {
+ loc = &SET_DEST (XVECEXP (use_pat, 0, i));
+ new_rtx = propagate_rtx (*loc, GET_MODE (*loc), reg, src, speed_p);
+ if (new_rtx)
+ validate_unshare_change (use_insn, loc, new_rtx, true);
+ asm_operands = SET_SRC (XVECEXP (use_pat, 0, i));
+ }
+ else if (GET_CODE (XVECEXP (use_pat, 0, i)) == ASM_OPERANDS)
+ asm_operands = XVECEXP (use_pat, 0, i);
+ break;
+ default:
+ gcc_unreachable ();
+ }
+
+ gcc_assert (asm_operands && GET_CODE (asm_operands) == ASM_OPERANDS);
+ for (i = 0; i < ASM_OPERANDS_INPUT_LENGTH (asm_operands); i++)
+ {
+ loc = &ASM_OPERANDS_INPUT (asm_operands, i);
+ new_rtx = propagate_rtx (*loc, GET_MODE (*loc), reg, src, speed_p);
+ if (new_rtx)
+ validate_unshare_change (use_insn, loc, new_rtx, true);
+ }
+
+ if (num_changes_pending () == 0 || !apply_change_group ())
+ return false;
+
+ num_changes++;
+ return true;
+}
+
/* Try to replace USE with SRC (defined in DEF_INSN) and simplify the
result. */
@@ -863,12 +930,16 @@ forward_propagate_and_simplify (df_ref u
rtx src, reg, new_rtx, *loc;
bool set_reg_equal;
enum machine_mode mode;
+ int asm_use = -1;
+
+ if (INSN_CODE (use_insn) < 0)
+ asm_use = asm_noperands (PATTERN (use_insn));
- if (!use_set)
+ if (!use_set && asm_use < 0)
return false;
/* Do not propagate into PC, CC0, etc. */
- if (GET_MODE (SET_DEST (use_set)) == VOIDmode)
+ if (use_set && GET_MODE (SET_DEST (use_set)) == VOIDmode)
return false;
/* If def and use are subreg, check if they match. */
@@ -900,7 +971,7 @@ forward_propagate_and_simplify (df_ref u
if (MEM_P (src) && MEM_READONLY_P (src))
{
rtx x = avoid_constant_pool_reference (src);
- if (x != src)
+ if (x != src && use_set)
{
rtx note = find_reg_note (use_insn, REG_EQUAL, NULL_RTX);
rtx old_rtx = note ? XEXP (note, 0) : SET_SRC (use_set);
@@ -911,6 +982,9 @@ forward_propagate_and_simplify (df_ref u
return false;
}
+ if (asm_use >= 0)
+ return forward_propagate_asm (use, def_insn, def_set, reg);
+
/* Else try simplifying. */
if (DF_REF_TYPE (use) == DF_REF_REG_MEM_STORE)
--- gcc/testsuite/gcc.target/i386/pr39543-1.c.jj 2009-03-25 16:40:18.000000000 +0100
+++ gcc/testsuite/gcc.target/i386/pr39543-1.c 2009-03-25 16:40:50.000000000 +0100
@@ -0,0 +1,52 @@
+/* PR rtl-optimization/39543 */
+/* { dg-do compile } */
+/* { dg-options "-O3 -fomit-frame-pointer" } */
+
+float __attribute__ ((aligned (16))) s0[128];
+const float s1 = 0.707;
+float s2[8] __attribute__ ((aligned (16)));
+float s3[8] __attribute__ ((aligned (16)));
+float s4[16] __attribute__ ((aligned (16)));
+float s5[16] __attribute__ ((aligned (16)));
+
+void
+foo (int k, float *x, float *y, const float *d, const float *z)
+{
+ float *a, *b, *c, *e;
+
+ a = x + 2 * k;
+ b = a + 2 * k;
+ c = b + 2 * k;
+ e = y + 2 * k;
+ __asm__ volatile (""
+ : "=m" (x[0]), "=m" (b[0]), "=m" (a[0]), "=m" (c[0])
+ : "m" (y[0]), "m" (y[k * 2]), "m" (x[0]), "m" (a[0])
+ : "memory");
+ for (;;)
+ {
+ __asm__ volatile (""
+ :
+ : "m" (y[2]), "m" (d[2]), "m" (e[2]), "m" (z[2])
+ : "memory");
+ if (!--k)
+ break;
+ }
+ __asm__ volatile (""
+ : "=m" (x[2]), "=m" (x[10]), "=m" (x[6]), "=m" (x[14])
+ : "m" (y[2]), "m" (y[6]), "m" (x[2]), "m" (x[6]),
+ "m" (y[18]), "m" (s1)
+ : "memory");
+}
+
+void
+bar (float *a)
+{
+ foo (4, a, a + 16, s2, s3);
+ foo (8, a, a + 32, s4, s5);
+}
+
+void
+baz (void)
+{
+ bar (s0);
+}
--- gcc/testsuite/gcc.target/i386/pr39543-2.c.jj 2009-03-25 16:40:18.000000000 +0100
+++ gcc/testsuite/gcc.target/i386/pr39543-2.c 2009-03-25 16:40:38.000000000 +0100
@@ -0,0 +1,51 @@
+/* PR rtl-optimization/39543 */
+/* { dg-do compile } */
+/* { dg-options "-O3" } */
+
+float __attribute__ ((aligned (16))) s0[128];
+const float s1 = 0.707;
+float s2[8] __attribute__ ((aligned (16)));
+float s3[8] __attribute__ ((aligned (16)));
+float s4[16] __attribute__ ((aligned (16)));
+float s5[16] __attribute__ ((aligned (16)));
+
+void
+foo (int k, float *x, float *y, const float *d, const float *z)
+{
+ float *a, *b, *c, *e;
+
+ a = x + 2 * k;
+ b = a + 2 * k;
+ c = b + 2 * k;
+ e = y + 2 * k;
+ __asm__ volatile (""
+ : "=m" (x[0]), "=m" (b[0]), "=m" (a[0]), "=m" (c[0])
+ : "m" (y[0]), "m" (y[k * 2]), "m" (x[0]), "m" (a[0])
+ : "memory");
+ for (;;)
+ {
+ __asm__ volatile (""
+ :
+ : "m" (y[2]), "m" (d[2]), "m" (e[2]), "m" (z[2])
+ : "memory");
+ if (!--k)
+ break;
+ }
+ __asm__ volatile (""
+ : "=m" (x[2]), "=m" (x[10]), "=m" (x[6]), "=m" (x[14])
+ : "m" (y[2]), "m" (y[6]), "m" (x[2]), "m" (x[6]), "m" (s1)
+ : "memory");
+}
+
+void
+bar (float *a)
+{
+ foo (4, a, a + 16, s2, s3);
+ foo (8, a, a + 32, s4, s5);
+}
+
+void
+baz (void)
+{
+ bar (s0);
+}
--- gcc/testsuite/gcc.target/i386/pr39543-3.c.jj 2009-03-25 16:41:29.000000000 +0100
+++ gcc/testsuite/gcc.target/i386/pr39543-3.c 2009-03-25 16:41:19.000000000 +0100
@@ -0,0 +1,42 @@
+/* PR rtl-optimization/39543 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+int s[128];
+
+void
+f1 (void)
+{
+ int i;
+ asm volatile ("# %0 %1 %2 %3 %4 %5 %6 %7 %8 %9 %10 %11 %12 %13 %14 %15 %16 %17"
+ : "=r" (i)
+ : "m" (s[0]), "m" (s[2]), "m" (s[4]), "m" (s[6]), "m" (s[8]),
+ "m" (s[10]), "m" (s[12]), "m" (s[14]), "m" (s[16]), "m" (s[18]),
+ "m" (s[20]), "m" (s[22]), "m" (s[24]), "m" (s[26]), "m" (s[28]),
+ "m" (s[30]), "m" (s[32]));
+ asm volatile ("# %0 %1 %2 %3 %4 %5 %6 %7 %8 %9 %10 %11 %12 %13 %14 %15 %16 %17"
+ : "=r" (i)
+ : "m" (s[0]), "m" (s[2]), "m" (s[4]), "m" (s[6]), "m" (s[8]),
+ "m" (s[10]), "m" (s[12]), "m" (s[14]), "m" (s[16]), "m" (s[18]),
+ "m" (s[20]), "m" (s[22]), "m" (s[24]), "m" (s[26]), "m" (s[28]),
+ "m" (s[30]), "m" (s[32]));
+}
+
+void
+f2 (int *q)
+{
+ int i;
+ int *p = q + 32;
+ asm volatile ("# %0 %1 %2 %3 %4 %5 %6 %7 %8 %9 %10 %11 %12 %13 %14 %15 %16 %17"
+ : "=r" (i)
+ : "m" (p[0]), "m" (p[2]), "m" (p[4]), "m" (p[6]), "m" (p[8]),
+ "m" (p[10]), "m" (p[12]), "m" (p[14]), "m" (p[16]), "m" (p[18]),
+ "m" (p[20]), "m" (p[22]), "m" (p[24]), "m" (p[26]), "m" (p[28]),
+ "m" (p[30]), "m" (p[32]));
+ asm volatile ("# %0 %1 %2 %3 %4 %5 %6 %7 %8 %9 %10 %11 %12 %13 %14 %15 %16 %17"
+ : "=r" (i)
+ : "m" (p[0]), "m" (p[2]), "m" (p[4]), "m" (p[6]), "m" (p[8]),
+ "m" (p[10]), "m" (p[12]), "m" (p[14]), "m" (p[16]), "m" (p[18]),
+ "m" (p[20]), "m" (p[22]), "m" (p[24]), "m" (p[26]), "m" (p[28]),
+ "m" (p[30]), "m" (p[32]));
+}

87
gcc44-pr39558.patch Normal file
View File

@ -0,0 +1,87 @@
2009-03-27 Jakub Jelinek <jakub@redhat.com>
PR target/39558
* macro.c (cpp_get_token): If macro_to_expand returns NULL
and used some tokens, add CPP_PADDING before next token.
* gcc.target/powerpc/altivec-29.c: New test.
--- libcpp/macro.c.jj 2008-10-23 13:22:48.000000000 +0200
+++ libcpp/macro.c 2009-03-27 18:47:43.000000000 +0100
@@ -1,7 +1,7 @@
/* Part of CPP library. (Macro and #define handling.)
Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ Free Software Foundation, Inc.
Written by Per Bothner, 1994.
Based on CCCP program by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
@@ -1260,10 +1260,36 @@ cpp_get_token (cpp_reader *pfile)
/* Conditional macros require that a predicate be evaluated
first. */
- if (((!(node->flags & NODE_CONDITIONAL))
- || (pfile->cb.macro_to_expand
- && (node = pfile->cb.macro_to_expand (pfile, result))))
- && (ret = enter_macro_context (pfile, node, result)))
+ if ((node->flags & NODE_CONDITIONAL) != 0)
+ {
+ if (pfile->cb.macro_to_expand)
+ {
+ bool whitespace_after;
+ const cpp_token *peek_tok = cpp_peek_token (pfile, 0);
+
+ whitespace_after = (peek_tok->type == CPP_PADDING
+ || (peek_tok->flags & PREV_WHITE));
+ node = pfile->cb.macro_to_expand (pfile, result);
+ if (node)
+ ret = enter_macro_context (pfile, node, result);
+ else if (whitespace_after)
+ {
+ /* If macro_to_expand hook returned NULL and it
+ ate some tokens, see if we don't need to add
+ a padding token in between this and the
+ next token. */
+ peek_tok = cpp_peek_token (pfile, 0);
+ if (peek_tok->type != CPP_PADDING
+ && (peek_tok->flags & PREV_WHITE) == 0)
+ _cpp_push_token_context (pfile, NULL,
+ padding_token (pfile,
+ peek_tok), 1);
+ }
+ }
+ }
+ else
+ ret = enter_macro_context (pfile, node, result);
+ if (ret)
{
if (pfile->state.in_directive || ret == 2)
continue;
--- gcc/testsuite/gcc.target/powerpc/altivec-29.c.jj 2009-03-27 18:50:44.000000000 +0100
+++ gcc/testsuite/gcc.target/powerpc/altivec-29.c 2009-03-27 18:51:16.000000000 +0100
@@ -0,0 +1,23 @@
+/* PR target/39558 */
+/* { dg-do compile { target powerpc*-*-* } } */
+/* { dg-require-effective-target powerpc_altivec_ok } */
+/* { dg-options "-maltivec -save-temps" } */
+
+#define ATTRIBUTE_UNUSED __attribute__((unused))
+
+int *foo (int *vector)
+{
+ return vector;
+}
+
+int *bar (int *vector ATTRIBUTE_UNUSED)
+{
+ return vector;
+}
+
+int *baz (int *vector __attribute__((unused)))
+{
+ return vector;
+}
+
+/* { dg-final { cleanup-saved-temps } } */

261
gcc44-pr39563.patch Normal file
View File

@ -0,0 +1,261 @@
2009-03-27 Jakub Jelinek <jakub@redhat.com>
PR debug/39563
* c-decl.c (struct c_binding): Add locus field.
(bind): Add locus argument, set locus field from it.
(pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
(push_file_scope, pushtag, pushdecl, pushdecl_top_level,
implicitly_declare, undeclared_variable, lookup_label,
declare_label, c_make_fname_decl, c_builtin_function,
c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
bind callers.
--- gcc/c-decl.c.jj 2009-03-02 16:22:17.000000000 +0100
+++ gcc/c-decl.c 2009-03-27 20:14:08.000000000 +0100
@@ -209,6 +209,7 @@ struct c_binding GTY((chain_next ("%h.pr
BOOL_BITFIELD nested : 1; /* do not set DECL_CONTEXT when popping */
BOOL_BITFIELD inner_comp : 1; /* incomplete array completed in inner scope */
/* one free bit */
+ location_t locus; /* location for nested bindings */
};
#define B_IN_SCOPE(b1, b2) ((b1)->depth == (b2)->depth)
#define B_IN_CURRENT_SCOPE(b) ((b)->depth == current_scope->depth)
@@ -460,7 +461,8 @@ c_print_identifier (FILE *file, tree nod
which may be any of several kinds of DECL or TYPE or error_mark_node,
in the scope SCOPE. */
static void
-bind (tree name, tree decl, struct c_scope *scope, bool invisible, bool nested)
+bind (tree name, tree decl, struct c_scope *scope, bool invisible,
+ bool nested, location_t locus)
{
struct c_binding *b, **here;
@@ -479,6 +481,7 @@ bind (tree name, tree decl, struct c_sco
b->invisible = invisible;
b->nested = nested;
b->inner_comp = 0;
+ b->locus = locus;
b->type = 0;
@@ -824,6 +827,26 @@ pop_scope (void)
TREE_CHAIN (p) = BLOCK_VARS (block);
BLOCK_VARS (block) = p;
}
+ else if (VAR_OR_FUNCTION_DECL_P (p))
+ {
+ tree extp = copy_node (p);
+
+ DECL_EXTERNAL (extp) = 1;
+ TREE_STATIC (extp) = 0;
+ TREE_PUBLIC (extp) = 1;
+ DECL_INITIAL (extp) = NULL_TREE;
+ DECL_LANG_SPECIFIC (extp) = NULL;
+ if (TREE_CODE (p) == FUNCTION_DECL)
+ {
+ DECL_RESULT (extp) = NULL_TREE;
+ DECL_SAVED_TREE (extp) = NULL_TREE;
+ DECL_STRUCT_FUNCTION (extp) = NULL;
+ }
+ if (b->locus != UNKNOWN_LOCATION)
+ DECL_SOURCE_LOCATION (extp) = b->locus;
+ TREE_CHAIN (extp) = BLOCK_VARS (block);
+ BLOCK_VARS (block) = extp;
+ }
/* If this is the file scope, and we are processing more
than one translation unit in this compilation, set
DECL_CONTEXT of each decl to the TRANSLATION_UNIT_DECL.
@@ -905,7 +928,7 @@ push_file_scope (void)
for (decl = visible_builtins; decl; decl = TREE_CHAIN (decl))
bind (DECL_NAME (decl), decl, file_scope,
- /*invisible=*/false, /*nested=*/true);
+ /*invisible=*/false, /*nested=*/true, DECL_SOURCE_LOCATION (decl));
}
void
@@ -951,7 +974,8 @@ pushtag (tree name, tree type)
/* Record the identifier as the type's name if it has none. */
if (name && !TYPE_NAME (type))
TYPE_NAME (type) = name;
- bind (name, type, current_scope, /*invisible=*/false, /*nested=*/false);
+ bind (name, type, current_scope, /*invisible=*/false, /*nested=*/false,
+ UNKNOWN_LOCATION);
/* Create a fake NULL-named TYPE_DECL node whose TREE_TYPE will be the
tagged type we just added to the current scope. This fake
@@ -2051,6 +2075,7 @@ pushdecl (tree x)
struct c_scope *scope = current_scope;
struct c_binding *b;
bool nested = false;
+ location_t locus = DECL_SOURCE_LOCATION (x);
/* Must set DECL_CONTEXT for everything not at file scope or
DECL_FILE_SCOPE_P won't work. Local externs don't count
@@ -2069,7 +2094,8 @@ pushdecl (tree x)
/* Anonymous decls are just inserted in the scope. */
if (!name)
{
- bind (name, x, scope, /*invisible=*/false, /*nested=*/false);
+ bind (name, x, scope, /*invisible=*/false, /*nested=*/false,
+ locus);
return x;
}
@@ -2229,7 +2255,8 @@ pushdecl (tree x)
= build_type_attribute_variant (thistype,
TYPE_ATTRIBUTES (b->type));
TREE_TYPE (b->decl) = thistype;
- bind (name, b->decl, scope, /*invisible=*/false, /*nested=*/true);
+ bind (name, b->decl, scope, /*invisible=*/false, /*nested=*/true,
+ locus);
return b->decl;
}
else if (TREE_PUBLIC (x))
@@ -2247,7 +2274,7 @@ pushdecl (tree x)
else
{
bind (name, x, external_scope, /*invisible=*/true,
- /*nested=*/false);
+ /*nested=*/false, locus);
nested = true;
}
}
@@ -2260,7 +2287,7 @@ pushdecl (tree x)
if (TREE_CODE (x) == TYPE_DECL)
clone_underlying_type (x);
- bind (name, x, scope, /*invisible=*/false, nested);
+ bind (name, x, scope, /*invisible=*/false, nested, locus);
/* If x's type is incomplete because it's based on a
structure or union which has not yet been fully declared,
@@ -2309,11 +2336,12 @@ pushdecl_top_level (tree x)
if (TREE_PUBLIC (x))
{
- bind (name, x, external_scope, /*invisible=*/true, /*nested=*/false);
+ bind (name, x, external_scope, /*invisible=*/true, /*nested=*/false,
+ UNKNOWN_LOCATION);
nested = true;
}
if (file_scope)
- bind (name, x, file_scope, /*invisible=*/false, nested);
+ bind (name, x, file_scope, /*invisible=*/false, nested, UNKNOWN_LOCATION);
return x;
}
@@ -2368,7 +2396,8 @@ implicitly_declare (tree functionid)
if (!DECL_BUILT_IN (decl) && DECL_IS_BUILTIN (decl))
{
bind (functionid, decl, file_scope,
- /*invisible=*/false, /*nested=*/true);
+ /*invisible=*/false, /*nested=*/true,
+ DECL_SOURCE_LOCATION (decl));
return decl;
}
else
@@ -2409,7 +2438,8 @@ implicitly_declare (tree functionid)
b->type = TREE_TYPE (decl);
TREE_TYPE (decl) = newtype;
bind (functionid, decl, current_scope,
- /*invisible=*/false, /*nested=*/true);
+ /*invisible=*/false, /*nested=*/true,
+ DECL_SOURCE_LOCATION (decl));
return decl;
}
}
@@ -2472,7 +2502,8 @@ undeclared_variable (tree id, location_t
will be nonnull but current_function_scope will be null. */
scope = current_function_scope ? current_function_scope : current_scope;
}
- bind (id, error_mark_node, scope, /*invisible=*/false, /*nested=*/false);
+ bind (id, error_mark_node, scope, /*invisible=*/false, /*nested=*/false,
+ UNKNOWN_LOCATION);
}
/* Subroutine of lookup_label, declare_label, define_label: construct a
@@ -2526,7 +2557,7 @@ lookup_label (tree name)
/* Ordinary labels go in the current function scope. */
bind (name, label, current_function_scope,
- /*invisible=*/false, /*nested=*/false);
+ /*invisible=*/false, /*nested=*/false, UNKNOWN_LOCATION);
return label;
}
@@ -2556,7 +2587,7 @@ declare_label (tree name)
/* Declared labels go in the current scope. */
bind (name, label, current_scope,
- /*invisible=*/false, /*nested=*/false);
+ /*invisible=*/false, /*nested=*/false, UNKNOWN_LOCATION);
return label;
}
@@ -2603,7 +2634,7 @@ define_label (location_t location, tree
/* Ordinary labels go in the current function scope. */
bind (name, label, current_function_scope,
- /*invisible=*/false, /*nested=*/false);
+ /*invisible=*/false, /*nested=*/false, UNKNOWN_LOCATION);
}
if (!in_system_header && lookup_name (name))
@@ -2806,7 +2837,7 @@ c_make_fname_decl (tree id, int type_dep
{
DECL_CONTEXT (decl) = current_function_decl;
bind (id, decl, current_function_scope,
- /*invisible=*/false, /*nested=*/false);
+ /*invisible=*/false, /*nested=*/false, UNKNOWN_LOCATION);
}
finish_decl (decl, init, NULL_TREE);
@@ -2826,7 +2857,8 @@ c_builtin_function (tree decl)
/* Should never be called on a symbol with a preexisting meaning. */
gcc_assert (!I_SYMBOL_BINDING (id));
- bind (id, decl, external_scope, /*invisible=*/true, /*nested=*/false);
+ bind (id, decl, external_scope, /*invisible=*/true, /*nested=*/false,
+ UNKNOWN_LOCATION);
/* Builtins in the implementation namespace are made visible without
needing to be explicitly declared. See push_file_scope. */
@@ -2851,7 +2883,8 @@ c_builtin_function_ext_scope (tree decl)
/* Should never be called on a symbol with a preexisting meaning. */
gcc_assert (!I_SYMBOL_BINDING (id));
- bind (id, decl, external_scope, /*invisible=*/false, /*nested=*/false);
+ bind (id, decl, external_scope, /*invisible=*/false, /*nested=*/false,
+ UNKNOWN_LOCATION);
/* Builtins in the implementation namespace are made visible without
needing to be explicitly declared. See push_file_scope. */
@@ -6348,7 +6381,8 @@ store_parm_decls_newstyle (tree fndecl,
if (DECL_NAME (decl))
{
bind (DECL_NAME (decl), decl, current_scope,
- /*invisible=*/false, /*nested=*/false);
+ /*invisible=*/false, /*nested=*/false,
+ UNKNOWN_LOCATION);
if (!TREE_USED (decl))
warn_if_shadowing (decl);
}
@@ -6365,14 +6399,14 @@ store_parm_decls_newstyle (tree fndecl,
DECL_CONTEXT (decl) = current_function_decl;
if (DECL_NAME (decl))
bind (DECL_NAME (decl), decl, current_scope,
- /*invisible=*/false, /*nested=*/false);
+ /*invisible=*/false, /*nested=*/false, UNKNOWN_LOCATION);
}
/* And all the tag declarations. */
for (decl = arg_info->tags; decl; decl = TREE_CHAIN (decl))
if (TREE_PURPOSE (decl))
bind (TREE_PURPOSE (decl), TREE_VALUE (decl), current_scope,
- /*invisible=*/false, /*nested=*/false);
+ /*invisible=*/false, /*nested=*/false, UNKNOWN_LOCATION);
}
/* Subroutine of store_parm_decls which handles old-style function

2
sources
View File

@ -1,2 +1,2 @@
2659f09c2e43ef8b7d4406321753f1b2 fastjar-0.97.tar.gz
be7f9ad54da78c493bab48ef6080e4a3 gcc-4.4.0-20090324.tar.bz2
050cfc4dc9179309ab35b297219a573a gcc-4.4.0-20090328.tar.bz2