* function.c (assign_parms): Don't count pretend args for alignment.
From-SVN: r78563
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@ -1,3 +1,7 @@
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2004-02-27 Paul Brook <paul@codesourcery.com>
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* function.c (assign_parms): Don't count pretend args for alignment.
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2004-02-27 Richard Henderson <rth@redhat.com>
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* passes.c: New file.
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@ -4285,6 +4285,7 @@ assign_parms (tree fndecl)
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/* Total space needed so far for args on the stack,
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given as a constant and a tree-expression. */
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struct args_size stack_args_size;
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HOST_WIDE_INT extra_pretend_bytes = 0;
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tree fntype = TREE_TYPE (fndecl);
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tree fnargs = DECL_ARGUMENTS (fndecl), orig_fnargs;
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/* This is used for the arg pointer when referring to stack args. */
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@ -4569,15 +4570,19 @@ assign_parms (tree fndecl)
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bits. We must preserve this invariant by rounding
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CURRENT_FUNCTION_PRETEND_ARGS_SIZE up to a stack
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boundary. */
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/* We assume at most one partial arg, and it must be the first
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argument on the stack. */
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if (extra_pretend_bytes || current_function_pretend_args_size)
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abort ();
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pretend_bytes = partial * UNITS_PER_WORD;
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current_function_pretend_args_size
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= CEIL_ROUND (pretend_bytes, STACK_BYTES);
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/* If PRETEND_BYTES != CURRENT_FUNCTION_PRETEND_ARGS_SIZE,
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insert the padding before the start of the first pretend
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argument. */
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stack_args_size.constant
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= (current_function_pretend_args_size - pretend_bytes);
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/* We want to align relative to the actual stack pointer, so
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don't include this in the stack size until later. */
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extra_pretend_bytes = current_function_pretend_args_size;
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}
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}
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#endif
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@ -4586,6 +4591,13 @@ assign_parms (tree fndecl)
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locate_and_pad_parm (promoted_mode, passed_type, in_regs,
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entry_parm ? partial : 0, fndecl,
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&stack_args_size, &locate);
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/* Adjust offsets to include pretend args, unless this is the
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split arg. */
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if (pretend_bytes == 0)
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{
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locate.slot_offset.constant += extra_pretend_bytes;
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locate.offset.constant += extra_pretend_bytes;
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}
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{
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rtx offset_rtx;
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@ -4661,7 +4673,7 @@ assign_parms (tree fndecl)
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#endif
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)
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{
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stack_args_size.constant += pretend_bytes + locate.size.constant;
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stack_args_size.constant += locate.size.constant;
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if (locate.size.var)
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ADD_PARM_SIZE (stack_args_size, locate.size.var);
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}
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@ -5273,6 +5285,8 @@ assign_parms (tree fndecl)
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last_parm_insn = get_last_insn ();
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/* We have aligned all the args, so add space for the pretend args. */
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stack_args_size.constant += extra_pretend_bytes;
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current_function_args_size = stack_args_size.constant;
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/* Adjust function incoming argument size for alignment and
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