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builtins.c (get_memory_rtx): Handle POINTERS_EXTEND_UNSIGNED case.

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* builtins.c (get_memory_rtx): Handle POINTERS_EXTEND_UNSIGNED case.
	(expand_builtin_apply, expand_builtin_return): Likewise.
	(expand_builtin_va_arg, expand_builtin_va_copy): Likewise.

From-SVN: r46598
This commit is contained in:
Richard Kenner 2001-10-28 20:42:29 +00:00 • committed by Richard Kenner
parent ff7cc30768
commit ce2d32cd37
2 changed files with 38 additions and 6 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
Sun Oct 28 15:45:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* builtins.c (get_memory_rtx): Handle POINTERS_EXTEND_UNSIGNED case.
(expand_builtin_apply, expand_builtin_return): Likewise.
(expand_builtin_va_arg, expand_builtin_va_copy): Likewise.
2001-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
* ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4,

38
gcc/builtins.c
View file

@ -722,11 +722,15 @@ static rtx
get_memory_rtx (exp)
tree exp;
{
rtx mem = gen_rtx_MEM (BLKmode,
memory_address (BLKmode,
expand_expr (exp, NULL_RTX,
ptr_mode, EXPAND_SUM)));
rtx addr = expand_expr (exp, NULL_RTX, ptr_mode, EXPAND_SUM);
rtx mem;
#ifdef POINTERS_EXTEND_UNSIGNED
if (GET_MODE (addr) != Pmode)
addr = convert_memory_address (Pmode, addr);
#endif
mem = gen_rtx_MEM (BLKmode, memory_address (BLKmode, addr));
set_mem_attributes (mem, exp, 0);
/* Get an expression we can use to find the attributes to assign to MEM.
@ -1048,13 +1052,17 @@ expand_builtin_apply (function, arguments, argsize)
rtx old_stack_level = 0;
rtx call_fusage = 0;
#ifdef POINTERS_EXTEND_UNSIGNED
if (GET_MODE (arguments) != Pmode)
arguments = convert_memory_address (Pmode, arguments);
#endif
/* Create a block where the return registers can be saved. */
result = assign_stack_local (BLKmode, apply_result_size (), -1);
/* Fetch the arg pointer from the ARGUMENTS block. */
incoming_args = gen_reg_rtx (Pmode);
emit_move_insn (incoming_args,
gen_rtx_MEM (Pmode, arguments));
emit_move_insn (incoming_args, gen_rtx_MEM (Pmode, arguments));
#ifndef STACK_GROWS_DOWNWARD
incoming_args = expand_simple_binop (Pmode, MINUS, incoming_args, argsize,
incoming_args, 0, OPTAB_LIB_WIDEN);
@ -1218,6 +1226,11 @@ expand_builtin_return (result)
rtx reg;
rtx call_fusage = 0;
#ifdef POINTERS_EXTEND_UNSIGNED
if (GET_MODE (result) != Pmode)
result = convert_memory_address (Pmode, result);
#endif
apply_result_size ();
result = gen_rtx_MEM (BLKmode, result);
@ -2959,6 +2972,11 @@ expand_builtin_va_arg (valist, type)
#endif
}
#ifdef POINTERS_EXTEND_UNSIGNED
if (GET_MODE (addr) != Pmode)
addr = convert_memory_address (Pmode, addr);
#endif
result = gen_rtx_MEM (TYPE_MODE (type), addr);
set_mem_alias_set (result, get_varargs_alias_set ());
@ -3018,6 +3036,14 @@ expand_builtin_va_copy (arglist)
size = expand_expr (TYPE_SIZE_UNIT (va_list_type_node), NULL_RTX,
VOIDmode, EXPAND_NORMAL);
#ifdef POINTERS_EXTEND_UNSIGNED
if (GET_MODE (dstb) != Pmode)
dstb = convert_memory_address (Pmode, dstb);
if (GET_MODE (srcb) != Pmode)
srcb = convert_memory_address (Pmode, srcb);
#endif
/* "Dereference" to BLKmode memories. */
dstb = gen_rtx_MEM (BLKmode, dstb);
set_mem_alias_set (dstb, get_alias_set (TREE_TYPE (TREE_TYPE (dst))));