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Install the proper patch. 

* function.c (put_var_into_stack): Temporarily clear DECL_RTL.
	(assign_params): Avoid setting DECL_RTL to unfinished RTX.
	(expand_function_start): Likewise.
	* stmt.c (expand_decl): Likewise.
	* varasm.c (make_decl_rtx): Likewise.

From-SVN: r44961
This commit is contained in:
Jan Hubicka 2001-08-17 15:50:15 +02:00 committed by Jan Hubicka
parent 3446405d5e
commit abde42f7c7
4 changed files with 40 additions and 23 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
Install the proper patch.
* function.c (put_var_into_stack): Temporarily clear DECL_RTL.
(assign_params): Avoid setting DECL_RTL to unfinished RTX.
(expand_function_start): Likewise.
* stmt.c (expand_decl): Likewise.
* varasm.c (make_decl_rtx): Likewise.
Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
* final.c: Undo my previous accidental checkin.

30
gcc/function.c
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@ -1420,7 +1420,14 @@ put_var_into_stack (decl)
/* Change the CONCAT into a combined MEM for both parts. */
PUT_CODE (reg, MEM);
/* set_mem_attributes uses DECL_RTL to avoid re-generating of
already computed alias sets. Here we want to re-generate. */
if (DECL_P (decl))
SET_DECL_RTL (decl, NULL);
set_mem_attributes (reg, decl, 1);
if (DECL_P (decl))
SET_DECL_RTL (decl, reg);
/* The two parts are in memory order already.
Use the lower parts address as ours. */
@ -4688,10 +4695,10 @@ assign_parms (fndecl)
appropriately. */
if (passed_pointer)
{
SET_DECL_RTL (parm,
gen_rtx_MEM (TYPE_MODE (TREE_TYPE (passed_type)),
parmreg));
set_mem_attributes (DECL_RTL (parm), parm, 1);
rtx x = gen_rtx_MEM (TYPE_MODE (TREE_TYPE (passed_type)),
parmreg);
set_mem_attributes (x, parm, 1);
SET_DECL_RTL (parm, x);
}
else
{
@ -5030,11 +5037,10 @@ assign_parms (fndecl)
if (parm == function_result_decl)
{
tree result = DECL_RESULT (fndecl);
rtx x = gen_rtx_MEM (DECL_MODE (result), DECL_RTL (parm));
SET_DECL_RTL (result,
gen_rtx_MEM (DECL_MODE (result), DECL_RTL (parm)));
set_mem_attributes (DECL_RTL (result), result, 1);
set_mem_attributes (x, result, 1);
SET_DECL_RTL (result, x);
}
}
@ -6451,11 +6457,9 @@ expand_function_start (subr, parms_have_cleanups)
}
if (value_address)
{
SET_DECL_RTL (DECL_RESULT (subr),
gen_rtx_MEM (DECL_MODE (DECL_RESULT (subr)),
value_address));
set_mem_attributes (DECL_RTL (DECL_RESULT (subr)),
DECL_RESULT (subr), 1);
rtx x = gen_rtx_MEM (DECL_MODE (DECL_RESULT (subr)), value_address);
set_mem_attributes (x, DECL_RESULT (subr), 1);
SET_DECL_RTL (DECL_RESULT (subr), x);
}
}
else if (DECL_MODE (DECL_RESULT (subr)) == VOIDmode)

15
gcc/stmt.c
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@ -3810,15 +3810,17 @@ expand_decl (decl)
else if (DECL_SIZE (decl) == 0)
/* Variable with incomplete type. */
{
rtx x;
if (DECL_INITIAL (decl) == 0)
/* Error message was already done; now avoid a crash. */
SET_DECL_RTL (decl, gen_rtx_MEM (BLKmode, const0_rtx));
x = gen_rtx_MEM (BLKmode, const0_rtx);
else
/* An initializer is going to decide the size of this array.
Until we know the size, represent its address with a reg. */
SET_DECL_RTL (decl, gen_rtx_MEM (BLKmode, gen_reg_rtx (Pmode)));
x = gen_rtx_MEM (BLKmode, gen_reg_rtx (Pmode));
set_mem_attributes (DECL_RTL (decl), decl, 1);
set_mem_attributes (x, decl, 1);
SET_DECL_RTL (decl, x);
}
else if (DECL_MODE (decl) != BLKmode
/* If -ffloat-store, don't put explicit float vars
@ -3888,7 +3890,7 @@ expand_decl (decl)
else
/* Dynamic-size object: must push space on the stack. */
{
rtx address, size;
rtx address, size, x;
/* Record the stack pointer on entry to block, if have
not already done so. */
@ -3913,9 +3915,10 @@ expand_decl (decl)
TYPE_ALIGN (TREE_TYPE (decl)));
/* Reference the variable indirect through that rtx. */
SET_DECL_RTL (decl, gen_rtx_MEM (DECL_MODE (decl), address));
x = gen_rtx_MEM (DECL_MODE (decl), address);
set_mem_attributes (x, decl, 1);
SET_DECL_RTL (decl, x);
set_mem_attributes (DECL_RTL (decl), decl, 1);
/* Indicate the alignment we actually gave this variable. */
#ifdef STACK_BOUNDARY

9
gcc/varasm.c
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@ -681,6 +681,7 @@ make_decl_rtl (decl, asmspec)
const char *name = 0;
const char *new_name = 0;
int reg_number;
rtx x;
/* Check that we are not being given an automatic variable. */
/* A weak alias has TREE_PUBLIC set but not the other bits. */
@ -848,11 +849,11 @@ make_decl_rtl (decl, asmspec)
&& (TREE_PUBLIC (decl) || TREE_STATIC (decl)))))
TREE_SIDE_EFFECTS (decl) = 1;
SET_DECL_RTL (decl, gen_rtx_MEM (DECL_MODE (decl),
gen_rtx_SYMBOL_REF (Pmode, name)));
SYMBOL_REF_WEAK (XEXP (DECL_RTL (decl), 0)) = DECL_WEAK (decl);
x = gen_rtx_MEM (DECL_MODE (decl), gen_rtx_SYMBOL_REF (Pmode, name));
SYMBOL_REF_WEAK (XEXP (x, 0)) = DECL_WEAK (decl);
if (TREE_CODE (decl) != FUNCTION_DECL)
set_mem_attributes (DECL_RTL (decl), decl, 1);
set_mem_attributes (x, decl, 1);
SET_DECL_RTL (decl, x);
/* Optionally set flags or add text to the name to record information
such as that it is a function name.