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riscv-gcc-1
Commit 405f0da6 by Jim Wilson
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(expand_expr, case INDIRECT_REF): Delete obsolete code 

to special case a SAVE_EXPR operand.

From-SVN: r11938
parent 0140d3ee
Showing with 2 additions and 21 deletions
gcc/expr.c
...@@ -5057,27 +5057,8 @@ expand_expr (exp, target, tmode, modifier) ...@@ -5057,27 +5057,8 @@ expand_expr (exp, target, tmode, modifier)
tree exp1 = TREE_OPERAND (exp, 0); tree exp1 = TREE_OPERAND (exp, 0);
tree exp2; tree exp2;
/* A SAVE_EXPR as the address in an INDIRECT_EXPR is generated op0 = expand_expr (exp1, NULL_RTX, VOIDmode, EXPAND_SUM);
for *PTR += ANYTHING where PTR is put inside the SAVE_EXPR. op0 = memory_address (mode, op0);
This code has the same general effect as simply doing
expand_expr on the save expr, except that the expression PTR
is computed for use as a memory address. This means different
code, suitable for indexing, may be generated. */
if (TREE_CODE (exp1) == SAVE_EXPR
&& SAVE_EXPR_RTL (exp1) == 0
&& TYPE_MODE (TREE_TYPE (exp1)) == ptr_mode)
{
temp = expand_expr (TREE_OPERAND (exp1, 0), NULL_RTX,
VOIDmode, EXPAND_SUM);
op0 = memory_address (mode, temp);
op0 = copy_all_regs (op0);
SAVE_EXPR_RTL (exp1) = op0;
}
else
{
op0 = expand_expr (exp1, NULL_RTX, VOIDmode, EXPAND_SUM);
op0 = memory_address (mode, op0);
}
temp = gen_rtx (MEM, mode, op0); temp = gen_rtx (MEM, mode, op0);
/* If address was computed by addition, /* If address was computed by addition,
......
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