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xtensa.c (xtensa_build_va_list): Use lang_hooks.types.make_type instead of make_node; set up __va_list_tag type decl.

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* config/xtensa/xtensa.c (xtensa_build_va_list): Use
        lang_hooks.types.make_type instead of make_node; set up
        __va_list_tag type decl.
        (xtensa_builtin_saveregs): Remove broken use of
        RTX_UNCHANGING_P and unnecessary use of MEM_IN_STRUCT_P
        for saved registers; add varargs alias set.

From-SVN: r54288
This commit is contained in:
Bob Wilson 2002-06-05 18:55:19 +00:00 • committed by Bob Wilson
parent d89e380b10
commit 540eaea825
2 changed files with 16 additions and 5 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2002-06-05 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/xtensa.c (xtensa_build_va_list): Use
lang_hooks.types.make_type instead of make_node; set up
__va_list_tag type decl.
(xtensa_builtin_saveregs): Remove broken use of
RTX_UNCHANGING_P and unnecessary use of MEM_IN_STRUCT_P
for saved registers; add varargs alias set.
2002-06-05 Neil Booth <neil@daikokuya.demon.co.uk>
config:

12
gcc/config/xtensa/xtensa.c
View file

@ -47,6 +47,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#include "ggc.h"
#include "target.h"
#include "target-def.h"
#include "langhooks.h"
/* Enumeration for all of the relational tests, so that we can build
arrays indexed by the test type, and not worry about the order
@ -2303,9 +2304,10 @@ xtensa_function_epilogue (file, size)
tree
xtensa_build_va_list (void)
{
tree f_stk, f_reg, f_ndx, record;
tree f_stk, f_reg, f_ndx, record, type_decl;
record = make_node (RECORD_TYPE);
record = (*lang_hooks.types.make_type) (RECORD_TYPE);
type_decl = build_decl (TYPE_DECL, get_identifier ("__va_list_tag"), record);
f_stk = build_decl (FIELD_DECL, get_identifier ("__va_stk"),
ptr_type_node);
@ -2318,6 +2320,8 @@ xtensa_build_va_list (void)
DECL_FIELD_CONTEXT (f_reg) = record;
DECL_FIELD_CONTEXT (f_ndx) = record;
TREE_CHAIN (record) = type_decl;
TYPE_NAME (record) = type_decl;
TYPE_FIELDS (record) = f_stk;
TREE_CHAIN (f_stk) = f_reg;
TREE_CHAIN (f_reg) = f_ndx;
@ -2344,9 +2348,7 @@ xtensa_builtin_saveregs ()
/* allocate the general-purpose register space */
gp_regs = assign_stack_local
(BLKmode, MAX_ARGS_IN_REGISTERS * UNITS_PER_WORD, -1);
MEM_IN_STRUCT_P (gp_regs) = 1;
RTX_UNCHANGING_P (gp_regs) = 1;
RTX_UNCHANGING_P (XEXP (gp_regs, 0)) = 1;
set_mem_alias_set (gp_regs, get_varargs_alias_set ());
/* Now store the incoming registers. */
dest = change_address (gp_regs, SImode,