procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

tree-cfg.c (gimple_redirect_edge_and_branch): Create the decl label for the new dest block on demand.

Browse source 
* tree-cfg.c (gimple_redirect_edge_and_branch) <case GIMPLE_ASM>:
Create the decl label for the new dest block on demand.  Require
a fallthrough edge if no asm labels were redirected.

From-SVN: r154213
This commit is contained in:
Alexandre Oliva 2009-11-16 20:18:33 +00:00 • committed by Alexandre Oliva
parent a81f2330a3
commit f8981d1c08
2 changed files with 17 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2009-11-16 Alexandre Oliva <aoliva@redhat.com>
* tree-cfg.c (gimple_redirect_edge_and_branch) <case GIMPLE_ASM>:
Create the decl label for the new dest block on demand. Require
a fallthrough edge if no asm labels were redirected.
2009-11-16 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (cbranchsi4): Use nonimmediate_operand for

13
gcc/tree-cfg.c
View file

@ -4666,14 +4666,23 @@ gimple_redirect_edge_and_branch (edge e, basic_block dest)
case GIMPLE_ASM:
{
int i, n = gimple_asm_nlabels (stmt);
tree label = gimple_block_label (dest);
tree label = NULL;
for (i = 0; i < n; ++i)
{
tree cons = gimple_asm_label_op (stmt, i);
if (label_to_block (TREE_VALUE (cons)) == e->dest)
TREE_VALUE (cons) = label;
{
if (!label)
label = gimple_block_label (dest);
TREE_VALUE (cons) = label;
}
}
/* If we didn't find any label matching the former edge in the
asm labels, we must be redirecting the fallthrough
edge. */
gcc_assert (label || (e->flags & EDGE_FALLTHRU));
}
break;