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-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/expr.c19
2 files changed, 13 insertions, 13 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 660d354..d37f05a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -2,6 +2,13 @@
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
+ * expr.c (emit_single_push_insn_1): Treat mode sizes as polynomial.
+ Use plus_constant instead of gen_rtx_PLUS.
+
+2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
+ Alan Hayward <alan.hayward@arm.com>
+ David Sherwood <david.sherwood@arm.com>
+
* auto-inc-dec.c (set_inc_state): Take the mode size as a poly_int64
rather than an int.
diff --git a/gcc/expr.c b/gcc/expr.c
index a82d9e4..336673f 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -4155,9 +4155,6 @@ emit_single_push_insn_1 (machine_mode mode, rtx x, tree type)
access to type. */
else if (targetm.calls.function_arg_padding (mode, type) == PAD_DOWNWARD)
{
- unsigned padding_size = rounded_size - GET_MODE_SIZE (mode);
- HOST_WIDE_INT offset;
-
emit_move_insn (stack_pointer_rtx,
expand_binop (Pmode,
STACK_GROWS_DOWNWARD ? sub_optab
@@ -4166,31 +4163,27 @@ emit_single_push_insn_1 (machine_mode mode, rtx x, tree type)
gen_int_mode (rounded_size, Pmode),
NULL_RTX, 0, OPTAB_LIB_WIDEN));
- offset = (HOST_WIDE_INT) padding_size;
+ poly_int64 offset = rounded_size - GET_MODE_SIZE (mode);
if (STACK_GROWS_DOWNWARD && STACK_PUSH_CODE == POST_DEC)
/* We have already decremented the stack pointer, so get the
previous value. */
- offset += (HOST_WIDE_INT) rounded_size;
+ offset += rounded_size;
if (!STACK_GROWS_DOWNWARD && STACK_PUSH_CODE == POST_INC)
/* We have already incremented the stack pointer, so get the
previous value. */
- offset -= (HOST_WIDE_INT) rounded_size;
+ offset -= rounded_size;
- dest_addr = gen_rtx_PLUS (Pmode, stack_pointer_rtx,
- gen_int_mode (offset, Pmode));
+ dest_addr = plus_constant (Pmode, stack_pointer_rtx, offset);
}
else
{
if (STACK_GROWS_DOWNWARD)
/* ??? This seems wrong if STACK_PUSH_CODE == POST_DEC. */
- dest_addr = gen_rtx_PLUS (Pmode, stack_pointer_rtx,
- gen_int_mode (-(HOST_WIDE_INT) rounded_size,
- Pmode));
+ dest_addr = plus_constant (Pmode, stack_pointer_rtx, -rounded_size);
else
/* ??? This seems wrong if STACK_PUSH_CODE == POST_INC. */
- dest_addr = gen_rtx_PLUS (Pmode, stack_pointer_rtx,
- gen_int_mode (rounded_size, Pmode));
+ dest_addr = plus_constant (Pmode, stack_pointer_rtx, rounded_size);
dest_addr = gen_rtx_PRE_MODIFY (Pmode, stack_pointer_rtx, dest_addr);
}