diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/expr.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr45670.c | 23 |
4 files changed, 35 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8efea32..80f2ee3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-11-05 Jakub Jelinek <jakub@redhat.com> + + PR target/45670 + * expr.c (expand_expr_real_1) <case MEM_REF>: Use EXPAND_SUM + instead of EXPAND_NORMAL for base expansion. + 2010-11-05 Uros Bizjak <ubizjak@gmail.com> * config.gcc: Support --with-fpmath=avx for x86. @@ -8754,7 +8754,7 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode, } align = MAX (TYPE_ALIGN (TREE_TYPE (exp)), get_object_alignment (exp, BIGGEST_ALIGNMENT)); - op0 = expand_expr (base, NULL_RTX, VOIDmode, EXPAND_NORMAL); + op0 = expand_expr (base, NULL_RTX, VOIDmode, EXPAND_SUM); op0 = convert_memory_address_addr_space (address_mode, op0, as); if (!integer_zerop (TREE_OPERAND (exp, 1))) { diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4c6ac67..debdd54 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-11-05 Jakub Jelinek <jakub@redhat.com> + + PR target/45670 + * gcc.target/i386/pr45670.c: New test. + 2010-11-05 Janus Weil <janus@gcc.gnu.org> PR fortran/45451 diff --git a/gcc/testsuite/gcc.target/i386/pr45670.c b/gcc/testsuite/gcc.target/i386/pr45670.c new file mode 100644 index 0000000..c50c4ba --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr45670.c @@ -0,0 +1,23 @@ +/* PR target/45670 */ +/* { dg-do compile } */ +/* { dg-options "-Os -mtune=generic" } */ + +struct S +{ + float *buf; + int size; +}; + +void +foo (struct S *s) +{ + int i; + for (i = 0; i < s->size; ++i) + s->buf[i] = 0; +} + +/* Ensure we don't generate + lea (reg1,4),reg2; add (reg3),reg2; movl $0, (reg2) + instead of smaller + mov (reg3),reg2; movl $0, (reg2,reg1,4) */ +/* { dg-final { scan-assembler-not "lea\[lq\]" } } */ |