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

c-typeck.c (c_build_vec_shuffle_expr): Fix uninitialized variable. 

* c-typeck.c (c_build_vec_shuffle_expr): Fix uninitialized variable.
Avoid save_expr unless two_arguments.

From-SVN: r179525
This commit is contained in:
Richard Henderson 2011-10-04 14:04:10 -07:00 committed by Richard Henderson
parent 73f0503101
commit 75799b9884
2 changed files with 11 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2011-10-04 Richard Henderson <rth@redhat.com>
* c-typeck.c (c_build_vec_shuffle_expr): Fix uninitialized variable.
Avoid save_expr unless two_arguments.
2011-10-04 Ozkan Sezer <sezeroz@gmail.com>
* config/i386/mingw-w64.h (CPP_SPEC): Rename _REENTRANCE to

13
gcc/c-typeck.c
View File

@ -2859,10 +2859,10 @@ build_function_call_vec (location_t loc, tree function, VEC(tree,gc) *params,
tree
c_build_vec_shuffle_expr (location_t loc, tree v0, tree v1, tree mask)
{
tree vec_shuffle, tmp;
tree vec_shuffle;
bool wrap = true;
bool maybe_const = false;
bool two_arguments;
bool two_arguments = false;
if (v1 == NULL_TREE)
{
@ -2916,17 +2916,16 @@ c_build_vec_shuffle_expr (location_t loc, tree v0, tree v1, tree mask)
}
/* Avoid C_MAYBE_CONST_EXPRs inside VEC_SHUFFLE_EXPR. */
tmp = c_fully_fold (v0, false, &maybe_const);
v0 = save_expr (tmp);
v0 = c_fully_fold (v0, false, &maybe_const);
wrap &= maybe_const;
if (!two_arguments)
if (two_arguments)
v1 = v0 = save_expr (v0);
else
{
v1 = c_fully_fold (v1, false, &maybe_const);
wrap &= maybe_const;
}
else
v1 = v0;
mask = c_fully_fold (mask, false, &maybe_const);
wrap &= maybe_const;