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expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.

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* expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
	(emit_push_insn): Use specified padding direction when
	STACK_PUSH_CODE is POST_INC.

From-SVN: r45352
This commit is contained in:
Geoffrey Keating 2001-09-02 01:14:45 +00:00 committed by Geoffrey Keating
parent e27e731daa
commit 9e0e11bfe4
2 changed files with 7 additions and 9 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
2001-09-01 Geoffrey Keating <geoffk@redhat.com>
* expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
(emit_push_insn): Use specified padding direction when
STACK_PUSH_CODE is POST_INC.
* config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>

12
gcc/expr.c
View File

@ -3102,18 +3102,11 @@ push_block (size, extra, below)
}
#ifndef STACK_GROWS_DOWNWARD
#ifdef ARGS_GROW_DOWNWARD
if (!ACCUMULATE_OUTGOING_ARGS)
#else
if (0)
#endif
#else
if (1)
#endif
{
/* Return the lowest stack address when STACK or ARGS grow downward and
we are not aaccumulating outgoing arguments (the c4x port uses such
conventions). */
temp = virtual_outgoing_args_rtx;
if (extra != 0 && below)
temp = plus_constant (temp, extra);
@ -3273,8 +3266,9 @@ emit_push_insn (x, mode, type, size, align, partial, reg, extra,
Default is below for small data on big-endian machines; else above. */
enum direction where_pad = FUNCTION_ARG_PADDING (mode, type);
/* Invert direction if stack is post-update. */
if (STACK_PUSH_CODE == POST_INC || STACK_PUSH_CODE == POST_DEC)
/* Invert direction if stack is post-decrement.
FIXME: why? */
if (STACK_PUSH_CODE == POST_DEC)
if (where_pad != none)
where_pad = (where_pad == downward ? upward : downward);