diff options
| author | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-06-12 19:15:50 +0000 |
|---|---|---|
| committer | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-06-12 19:15:50 +0000 |
| commit | af391a0631c8924873218937e0348dbca226dc7b (patch) | |
| tree | c9750b4c2fab79d638858ba8919c1d37430242a4 /gcc/expr.c | |
| parent | 776a7bab6ef74a50f9a50dc5de25ac1ddedb621a (diff) | |
| download | gcc-af391a0631c8924873218937e0348dbca226dc7b.tar.gz | |
2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR middle-end/31579
* expr.c (expand_expr_addr_expr_1): Call expand_expr
for the offset with the modifier as EXPAND_INITIALIZER
if the modifier is EXPAND_INITIALIZER.
(expand_expr_real_1 <case INTEGER_CST>): Don't force to
a register if we had an overflow.
2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR middle-end/31579
* g++.dg/torture/pr31579.C: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125655 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/gcc/expr.c b/gcc/expr.c index 2a4629a71e0..9c91c4e0f24 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -6695,7 +6695,9 @@ expand_expr_addr_expr_1 (tree exp, rtx target, enum machine_mode tmode, if (modifier != EXPAND_NORMAL) result = force_operand (result, NULL); - tmp = expand_expr (offset, NULL_RTX, tmode, EXPAND_NORMAL); + tmp = expand_expr (offset, NULL_RTX, tmode, + modifier == EXPAND_INITIALIZER + ? EXPAND_INITIALIZER : EXPAND_NORMAL); result = convert_memory_address (tmode, result); tmp = convert_memory_address (tmode, tmp); @@ -7118,15 +7120,6 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode, temp = immed_double_const (TREE_INT_CST_LOW (exp), TREE_INT_CST_HIGH (exp), mode); - /* ??? If overflow is set, fold will have done an incomplete job, - which can result in (plus xx (const_int 0)), which can get - simplified by validate_replace_rtx during virtual register - instantiation, which can result in unrecognizable insns. - Avoid this by forcing all overflows into registers. */ - if (TREE_OVERFLOW (exp) - && modifier != EXPAND_INITIALIZER) - temp = force_reg (mode, temp); - return temp; case VECTOR_CST: |