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sh.md (UNSPEC_SP_SET, [...]): New constants. 

* config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
	(stack_protect_set, stack_protect_test): New expanders.
        (stack_protect_set_si, stack_protect_set_si_media,
	stack_protect_set_di_media, stack_protect_test_si,
        stack_protect_test_si_media, stack_protect_test_di_media):
	New insns.

From-SVN: r102206
This commit is contained in:
Kaz Kojima 2005-07-20 22:55:50 +00:00
parent cdcdee12da
commit 50b69666aa
2 changed files with 120 additions and 0 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
(stack_protect_set, stack_protect_test): New expanders.
(stack_protect_set_si, stack_protect_set_si_media,
stack_protect_set_di_media, stack_protect_test_si,
stack_protect_test_si_media, stack_protect_test_di_media):
New insns.
2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
* c-typeck.c (output_init_element): Don't copy the INTEGER_CST.

111
gcc/config/sh/sh.md
View File

@ -150,6 +150,8 @@
(UNSPEC_DIV_INV20 34)
(UNSPEC_ASHIFTRT 35)
(UNSPEC_THUNK 36)
(UNSPEC_SP_SET 40)
(UNSPEC_SP_TEST 41)
;; These are used with unspec_volatile.
(UNSPECV_BLOCKAGE 0)
@ -13131,3 +13133,112 @@ mov.l\\t1f,r0\\n\\
if (!n_changes)
FAIL;
}")
; Stack Protector Patterns
(define_expand "stack_protect_set"
[(set (match_operand 0 "memory_operand" "")
(match_operand 1 "memory_operand" ""))]
""
{
if (TARGET_SHMEDIA)
{
if (TARGET_SHMEDIA64)
emit_insn (gen_stack_protect_set_di_media (operands[0], operands[1]));
else
emit_insn (gen_stack_protect_set_si_media (operands[0], operands[1]));
}
else
emit_insn (gen_stack_protect_set_si (operands[0], operands[1]));
DONE;
})
(define_insn "stack_protect_set_si"
[(set (match_operand:SI 0 "memory_operand" "=m")
(unspec:SI [(match_operand:SI 1 "memory_operand" "m")] UNSPEC_SP_SET))
(set (match_scratch:SI 2 "=&r") (const_int 0))]
"!TARGET_SHMEDIA"
"mov.l\t%1, %2\;mov.l\t%2, %0\;mov\t#0, %2"
[(set_attr "type" "other")
(set_attr "length" "6")])
(define_insn "stack_protect_set_si_media"
[(set (match_operand:SI 0 "memory_operand" "=m")
(unspec:SI [(match_operand:SI 1 "memory_operand" "m")] UNSPEC_SP_SET))
(set (match_scratch:SI 2 "=&r") (const_int 0))]
"TARGET_SHMEDIA"
"ld%M1.l\t%m1, %2\;st%M0.l\t%m0, %2\;movi\t0, %2"
[(set_attr "type" "other")
(set_attr "length" "12")])
(define_insn "stack_protect_set_di_media"
[(set (match_operand:DI 0 "memory_operand" "=m")
(unspec:DI [(match_operand:DI 1 "memory_operand" "m")] UNSPEC_SP_SET))
(set (match_scratch:DI 2 "=&r") (const_int 0))]
"TARGET_SHMEDIA64"
"ld%M1.q\t%m1, %2\;st%M0.q\t%m0, %2\;movi\t0, %2"
[(set_attr "type" "other")
(set_attr "length" "12")])
(define_expand "stack_protect_test"
[(match_operand 0 "memory_operand" "")
(match_operand 1 "memory_operand" "")
(match_operand 2 "" "")]
""
{
if (TARGET_SHMEDIA)
{
rtx tmp = gen_reg_rtx (GET_MODE (operands[0]));
if (TARGET_SHMEDIA64)
emit_insn (gen_stack_protect_test_di_media (tmp, operands[0],
operands[1]));
else
emit_insn (gen_stack_protect_test_si_media (tmp, operands[0],
operands[1]));
emit_jump_insn (gen_bne_media (operands[2], tmp, const0_rtx));
}
else
{
emit_insn (gen_stack_protect_test_si (operands[0], operands[1]));
emit_jump_insn (gen_branch_true (operands[2]));
}
DONE;
})
(define_insn "stack_protect_test_si"
[(set (reg:SI T_REG)
(unspec:SI [(match_operand:SI 0 "memory_operand" "m")
(match_operand:SI 1 "memory_operand" "m")]
UNSPEC_SP_TEST))
(set (match_scratch:SI 2 "=&r") (const_int 0))
(set (match_scratch:SI 3 "=&r") (const_int 0))]
"!TARGET_SHMEDIA"
"mov.l\t%0, %2\;mov.l\t%1, %3\;cmp/eq\t%2, %3\;mov\t#0, %2\;mov\t#0, %3"
[(set_attr "type" "other")
(set_attr "length" "10")])
(define_insn "stack_protect_test_si_media"
[(set (match_operand:SI 0 "register_operand" "=&r")
(unspec:SI [(match_operand:SI 1 "memory_operand" "m")
(match_operand:SI 2 "memory_operand" "m")]
UNSPEC_SP_TEST))
(set (match_scratch:SI 3 "=&r") (const_int 0))]
"TARGET_SHMEDIA"
"ld%M1.l\t%m1, %0\;ld%M2.l\t%m2, %3\;cmpeq\t%0, %3, %0\;movi\t0, %3"
[(set_attr "type" "other")
(set_attr "length" "16")])
(define_insn "stack_protect_test_di_media"
[(set (match_operand:DI 0 "register_operand" "=&r")
(unspec:DI [(match_operand:DI 1 "memory_operand" "m")
(match_operand:DI 2 "memory_operand" "m")]
UNSPEC_SP_TEST))
(set (match_scratch:DI 3 "=&r") (const_int 0))]
"TARGET_SHMEDIA64"
"ld%M1.q\t%m1, %0\;ld%M2.q\t%m2, %3\;cmpeq\t%0, %3, %0\;movi\t0, %3"
[(set_attr "type" "other")
(set_attr "length" "16")])