OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR tree-optimization/36879 (undefined reference to a variable)

Browse Source 
2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/36879
        * tree-switch-conversion.c (build_one_array): Call
        varpool_mark_needed_node and varpool_finalize_decl
        instead of assemble_variable.

2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/36879
        * gcc.c-torture/execute/20080719-1.c: New testcase.

From-SVN: r138012
This commit is contained in:
Andrew Pinski 2008-07-20 17:51:48 +00:00 committed by Andrew Pinski
parent c72321c9a7
commit 34a87fd4ea
4 changed files with 79 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2008-07-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/36879
* tree-switch-conversion.c (build_one_array): Call
varpool_mark_needed_node and varpool_finalize_decl
instead of assemble_variable.
2008-07-19 Jan Hubicka <jh@suse.cz>
* cgraph.c (cgraph_add_new_function): Do early local passes.

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2008-07-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/36879
* gcc.c-torture/execute/20080719-1.c: New testcase.
2008-07-20 Hans-Peter Nilsson <hp@axis.com>
* gcc.dg/tree-ssa/data-dep-1.c: XFAIL.

65
gcc/testsuite/gcc.c-torture/execute/20080719-1.c Normal file
View File

@ -0,0 +1,65 @@
typedef unsigned int u32;
static const u32 deadfish = 0xdeadf155;
static const u32 cfb_tab8_be[] = {
0x00000000,0x000000ff,0x0000ff00,0x0000ffff,
0x00ff0000,0x00ff00ff,0x00ffff00,0x00ffffff,
0xff000000,0xff0000ff,0xff00ff00,0xff00ffff,
0xffff0000,0xffff00ff,0xffffff00,0xffffffff
};
static const u32 cfb_tab8_le[] = {
0x00000000,0xff000000,0x00ff0000,0xffff0000,
0x0000ff00,0xff00ff00,0x00ffff00,0xffffff00,
0x000000ff,0xff0000ff,0x00ff00ff,0xffff00ff,
0x0000ffff,0xff00ffff,0x00ffffff,0xffffffff
};
static const u32 cfb_tab16_be[] = {
0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff
};
static const u32 cfb_tab16_le[] = {
0x00000000, 0xffff0000, 0x0000ffff, 0xffffffff
};
static const u32 cfb_tab32[] = {
0x00000000, 0xffffffff
};
const u32 *xxx(int bpp)
{
const u32 *tab;
if (0) return &deadfish;
switch (bpp) {
case 8:
tab = cfb_tab8_be;
break;
case 16:
tab = cfb_tab16_be;
break;
case 32:
default:
tab = cfb_tab32;
break;
}
return tab;
}
int main(void)
{
const u32 *a = xxx(8);
int b = a[0];
if (b != cfb_tab8_be[0])
__builtin_abort ();
return 0;
}

3
gcc/tree-switch-conversion.c
View File

@ -474,7 +474,8 @@ build_one_array (tree swtch, int num, tree arr_index_type, tree phi, tree tidx)
DECL_ARTIFICIAL (decl) = 1;
TREE_CONSTANT (decl) = 1;
add_referenced_var (decl);
assemble_variable (decl, 0, 0, 0);
varpool_mark_needed_node (varpool_node (decl));
varpool_finalize_decl (decl);
mark_sym_for_renaming (decl);
name = make_ssa_name (SSA_NAME_VAR (PHI_RESULT (phi)), NULL_TREE);