This commit is contained in:
Jakub Jelinek 2006-08-18 08:02:11 +00:00
parent 466a7f64bb
commit 5636c0d8a1
5 changed files with 88 additions and 9 deletions

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@ -1 +1 @@
gcc-4.1.1-20060816.tar.bz2
gcc-4.1.1-20060818.tar.bz2

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@ -22,7 +22,7 @@
+extern int foo (union u *);
--- gcc/c-typeck.c.jj 2006-08-17 09:55:11.000000000 +0200
+++ gcc/c-typeck.c 2006-08-18 09:14:15.000000000 +0200
@@ -1126,11 +1126,12 @@ tagged_types_tu_compatible_p (tree t1, t
@@ -1072,11 +1072,12 @@ tagged_types_tu_compatible_p (tree t1, t
{
int result;
@ -38,7 +38,7 @@
if (result == 0)
{
tu->val = 0;
@@ -1157,28 +1158,31 @@ tagged_types_tu_compatible_p (tree t1, t
@@ -1103,28 +1104,31 @@ tagged_types_tu_compatible_p (tree t1, t
{
bool ok = false;

64
gcc41-pr28755.patch Normal file
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@ -0,0 +1,64 @@
2006-08-17 Jakub Jelinek <jakub@redhat.com>
PR middle-end/28755
* expr.c (expand_expr_real_1) <case ARRAY_REF>: Make sure
the const array field optimization doesn't create an extra constant
MEM.
* gcc.dg/pr28755.c: New test.
--- gcc/expr.c.jj 2006-08-09 17:54:03.000000000 +0200
+++ gcc/expr.c 2006-08-17 13:00:33.000000000 +0200
@@ -7105,13 +7105,25 @@ expand_expr_real_1 (tree exp, rtx target
field, value)
if (tree_int_cst_equal (field, index))
{
- if (!TREE_SIDE_EFFECTS (value))
+ if (TREE_SIDE_EFFECTS (value))
+ break;
+
+ if (TREE_CODE (value) != CONSTRUCTOR)
return expand_expr (fold (value), target, tmode,
modifier);
+
+ /* For CONSTRUCTOR this optimization is not always
+ a win - if expand_expr creates a temporary
+ constant, we just waste unnecessarily rodata
+ space. */
+ temp = expand_expr (value, target, tmode, modifier);
+ if (temp == target
+ || (temp && GET_CODE (temp) != MEM))
+ return temp;
break;
}
}
- else if(TREE_CODE (init) == STRING_CST)
+ else if (TREE_CODE (init) == STRING_CST)
{
tree index1 = index;
tree low_bound = array_ref_low_bound (exp);
--- gcc/testsuite/gcc.dg/pr28755.c.jj 2006-08-17 12:59:57.000000000 +0200
+++ gcc/testsuite/gcc.dg/pr28755.c 2006-08-17 12:59:57.000000000 +0200
@@ -0,0 +1,22 @@
+/* PR middle-end/28755 */
+/* { dg-do compile } */
+/* { dg-options "-Os" } */
+/* { dg-final { scan-assembler-times "2112543726\|7deadbee" 2 } } */
+
+struct S
+{
+ void *s1;
+ unsigned s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14;
+};
+
+const struct S array[] = {
+ { (void *) 0, 60, 640, 2112543726, 39682, 48, 16, 33, 10, 96, 2, 0, 0, 4 },
+ { (void *) 0, 60, 2112543726, 192, 18251, 16, 33, 10, 96, 2, 0, 0, 4, 212 }
+};
+
+void
+foo (struct S *x)
+{
+ x[0] = array[0];
+ x[5] = array[1];
+}

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@ -1,6 +1,6 @@
%define DATE 20060816
%define DATE 20060818
%define gcc_version 4.1.1
%define gcc_release 17
%define gcc_release 18
%define _unpackaged_files_terminate_build 0
%define multilib_64_archs sparc64 ppc64 s390x x86_64
%ifarch %{ix86} x86_64 ia64
@ -144,6 +144,8 @@ Patch36: gcc41-pr28725.patch
Patch37: gcc41-pr28709.patch
Patch38: gcc41-pr28744.patch
Patch39: gcc41-x86_64-kernel-ssp.patch
Patch40: gcc41-pr28755.patch
Patch41: gcc41-pr27898.patch
%define _gnu %{nil}
%ifarch sparc
@ -464,6 +466,8 @@ which are required to run programs compiled with the GNAT.
%patch37 -p0 -b .pr28709~
%patch38 -p0 -b .pr28744~
%patch39 -p0 -b .x86_64-kernel-ssp~
%patch40 -p0 -b .pr28755~
%patch41 -p0 -b .pr27898~
sed -i -e 's/4\.1\.2/4.1.1/' gcc/BASE-VER gcc/version.c
sed -i -e 's/" (Red Hat[^)]*)"/" (Red Hat %{version}-%{gcc_release})"/' gcc/version.c
@ -1524,6 +1528,17 @@ fi
%doc rpm.doc/changelogs/libmudflap/ChangeLog*
%changelog
* Fri Aug 18 2006 Jakub Jelinek <jakub@redhat.com> 4.1.1-18
- update from gcc-4_1-branch (-r116176:116223)
- PRs c++/28593, c++/28606, c++/28710, c/27697, middle-end/20256,
middle-end/25211, middle-end/26435
- don't waste .rodata space when copying from const array with large
entries (PR middle-end/28755)
- fix --combine with anonymous structures in unions (Alexandre Oliva,
PR c/27898)
- rebuilt with latest binutils to pick up 64K -z commonpagesize on ppc*
(#203001)
* Wed Aug 16 2006 Jakub Jelinek <jakub@redhat.com> 4.1.1-17
- update from gcc-4_1-branch (-r116082:116176)
- PRs c++/27894, c++/28677, c/28649, middle-end/28075,

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@ -1 +1 @@
3743f891cb127e18bca681d57c07a2c0 gcc-4.1.1-20060816.tar.bz2
6c13068f0da00ac2e7fcef129cc6e555 gcc-4.1.1-20060818.tar.bz2