diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-02-12 09:45:27 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-02-12 09:45:27 +0000 |
| commit | ca5b5c77c757a7093ba593256655eed032350767 (patch) | |
| tree | ea990aac53a7e77d5fea61ca8d0b5a2f67ce684c | |
| parent | df070bcb00d17089f4c5de3dd5001a8ac5994985 (diff) | |
| download | gcc-ca5b5c77c757a7093ba593256655eed032350767.tar.gz | |
PR tree-optimization/65014
* fold-const.c (fold_binary_loc): When creating {L,R}ROTATE_EXPR,
use original second operand of arg0 or arg1 instead of
that adjusted by STRIP_NOPS.
* gcc.c-torture/compile/pr65014.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@220640 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/fold-const.c | 9 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr65014.c | 10 |
4 files changed, 28 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c9ac04539cc..723c62e2d15 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2015-02-12 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/65014 + * fold-const.c (fold_binary_loc): When creating {L,R}ROTATE_EXPR, + use original second operand of arg0 or arg1 instead of + that adjusted by STRIP_NOPS. + 2015-02-11 Jeff Law <law@redhat.com> PR target/63347 diff --git a/gcc/fold-const.c b/gcc/fold-const.c index b4301c78f30..83771207c49 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -10261,7 +10261,9 @@ fold_binary_loc (location_t loc, tem = build2_loc (loc, LROTATE_EXPR, TREE_TYPE (TREE_OPERAND (arg0, 0)), TREE_OPERAND (arg0, 0), - code0 == LSHIFT_EXPR ? tree01 : tree11); + code0 == LSHIFT_EXPR + ? TREE_OPERAND (arg0, 1) + : TREE_OPERAND (arg1, 1)); return fold_convert_loc (loc, type, tem); } else if (code11 == MINUS_EXPR) @@ -10283,7 +10285,8 @@ fold_binary_loc (location_t loc, ? LROTATE_EXPR : RROTATE_EXPR), TREE_TYPE (TREE_OPERAND (arg0, 0)), - TREE_OPERAND (arg0, 0), tree01)); + TREE_OPERAND (arg0, 0), + TREE_OPERAND (arg0, 1))); } else if (code01 == MINUS_EXPR) { @@ -10304,7 +10307,7 @@ fold_binary_loc (location_t loc, ? LROTATE_EXPR : RROTATE_EXPR), TREE_TYPE (TREE_OPERAND (arg0, 0)), - TREE_OPERAND (arg0, 0), tree11)); + TREE_OPERAND (arg0, 0), TREE_OPERAND (arg1, 1))); } } } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8d5d3f3725d..dfd7230fda4 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-02-12 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/65014 + * gcc.c-torture/compile/pr65014.c: New test. + 2015-02-11 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libgfortran/57822 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr65014.c b/gcc/testsuite/gcc.c-torture/compile/pr65014.c new file mode 100644 index 00000000000..c76e95729b0 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr65014.c @@ -0,0 +1,10 @@ +/* PR tree-optimization/65014 */ +/* { dg-do compile { target int32plus } } */ + +extern int x; + +unsigned +foo (unsigned int y) +{ + return (y << ((__INTPTR_TYPE__) &x)) | (y >> (32 - ((__INTPTR_TYPE__) &x))); +} |