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i386.md (allocate_stack_worker): Use different pattern for pre and post reload expansion.

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* i386.md (allocate_stack_worker):  Use different pattern for pre and
	post reload expansion.
	(allocate_stack_worker_1, allocate_stack_worker_rex64): Use
	match_scratch.
	(allocate_stack_worder_1_postreload,
	allocate_stack_worker_rex64_postreload): New.

From-SVN: r75220
This commit is contained in:
Jan Hubicka 2003-12-30 02:21:50 +01:00 committed by Jan Hubicka
parent 21b75a730a
commit af9fb8ab08
2 changed files with 42 additions and 5 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
2003-12-30 Jan Hubicka <jh@suse.cz>
* i386.md (allocate_stack_worker): Use different pattern for pre and
post reload expansion.
(allocate_stack_worker_1, allocate_stack_worker_rex64): Use
match_scratch.
(allocate_stack_worder_1_postreload,
allocate_stack_worker_rex64_postreload): New.
2003-12-29 Nathan Sidwell <nathan@codesourcery.com>
* builtins.c (expand_builtin_apply_args_1): Add pretend args size

38
gcc/config/i386/i386.md
View File

@ -17168,33 +17168,61 @@
[(match_operand:SI 0 "register_operand" "")]
"TARGET_STACK_PROBE"
{
if (TARGET_64BIT)
emit_insn (gen_allocate_stack_worker_rex64 (operands[0]));
if (reload_completed)
{
if (TARGET_64BIT)
emit_insn (gen_allocate_stack_worker_rex64_postreload (operands[0]));
else
emit_insn (gen_allocate_stack_worker_postreload (operands[0]));
}
else
emit_insn (gen_allocate_stack_worker_1 (operands[0]));
{
if (TARGET_64BIT)
emit_insn (gen_allocate_stack_worker_rex64 (operands[0]));
else
emit_insn (gen_allocate_stack_worker_1 (operands[0]));
}
DONE;
})
(define_insn "allocate_stack_worker_1"
[(unspec:SI [(match_operand:SI 0 "register_operand" "a")] UNSPEC_STACK_PROBE)
(set (reg:SI 7) (minus:SI (reg:SI 7) (match_dup 0)))
(clobber (match_dup 0))
(clobber (match_scratch:SI 1 "=0"))
(clobber (reg:CC 17))]
"!TARGET_64BIT && TARGET_STACK_PROBE"
"call\t__alloca"
[(set_attr "type" "multi")
(set_attr "length" "5")])
(define_expand "allocate_stack_worker_postreload"
[(parallel [(unspec:SI [(match_operand:SI 0 "register_operand" "a")]
UNSPEC_STACK_PROBE)
(set (reg:SI 7) (minus:SI (reg:SI 7) (match_dup 0)))
(clobber (match_dup 0))
(clobber (reg:CC 17))])]
""
"")
(define_insn "allocate_stack_worker_rex64"
[(unspec:DI [(match_operand:DI 0 "register_operand" "a")] UNSPEC_STACK_PROBE)
(set (reg:DI 7) (minus:DI (reg:DI 7) (match_dup 0)))
(clobber (match_dup 0))
(clobber (match_scratch:DI 1 "=0"))
(clobber (reg:CC 17))]
"TARGET_64BIT && TARGET_STACK_PROBE"
"call\t__alloca"
[(set_attr "type" "multi")
(set_attr "length" "5")])
(define_expand "allocate_stack_worker_rex64_postreload"
[(parallel [(unspec:DI [(match_operand:DI 0 "register_operand" "a")]
UNSPEC_STACK_PROBE)
(set (reg:DI 7) (minus:DI (reg:DI 7) (match_dup 0)))
(clobber (match_dup 0))
(clobber (reg:CC 17))])]
""
"")
(define_expand "allocate_stack"
[(parallel [(set (match_operand:SI 0 "register_operand" "=r")
(minus:SI (reg:SI 7)