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expr.c (expand_expr_real_1): For expanding TERed defs set the current location to that of the def if not UNKNOWN. 

2015-09-01  Richard Biener  <rguenther@suse.de>

	* expr.c (expand_expr_real_1): For expanding TERed defs
	set the current location to that of the def if not UNKNOWN.

From-SVN: r227370
This commit is contained in:
Richard Biener 2015-09-01 13:27:17 +00:00 committed by Richard Biener
parent f22b057522
commit fa3d595c3a
2 changed files with 11 additions and 4 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2015-09-01 Richard Biener <rguenther@suse.de>
* expr.c (expand_expr_real_1): For expanding TERed defs
set the current location to that of the def if not UNKNOWN.
2015-09-01 David Sherwood <david.sherwood@arm.com>
* genmodes.c: Add CONST_MODE_UNIT_SIZE modifier.

10
gcc/expr.c
View File

@ -9463,6 +9463,10 @@ expand_expr_real_1 (tree exp, rtx target, machine_mode tmode,
if (g)
{
rtx r;
location_t saved_loc = curr_insn_location ();
location_t loc = gimple_location (g);
if (loc != UNKNOWN_LOCATION)
set_curr_insn_location (loc);
ops.code = gimple_assign_rhs_code (g);
switch (get_gimple_rhs_class (ops.code))
{
@ -9484,21 +9488,19 @@ expand_expr_real_1 (tree exp, rtx target, machine_mode tmode,
case GIMPLE_UNARY_RHS:
ops.op0 = gimple_assign_rhs1 (g);
ops.type = TREE_TYPE (gimple_assign_lhs (g));
ops.location = gimple_location (g);
ops.location = loc;
r = expand_expr_real_2 (&ops, target, tmode, modifier);
break;
case GIMPLE_SINGLE_RHS:
{
location_t saved_loc = curr_insn_location ();
set_curr_insn_location (gimple_location (g));
r = expand_expr_real (gimple_assign_rhs1 (g), target,
tmode, modifier, NULL, inner_reference_p);
set_curr_insn_location (saved_loc);
break;
}
default:
gcc_unreachable ();
}
set_curr_insn_location (saved_loc);
if (REG_P (r) && !REG_EXPR (r))
set_reg_attrs_for_decl_rtl (SSA_NAME_VAR (exp), r);
return r;