* config/cris/predicates.md: New file.
* config/cris/cris-protos.h (cris_store_multiple_op_p)
(cris_movem_load_rest_p): Declare.
* config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
(cris_movem_load_rest_p): Ditto. Globalize.
(cris_bdap_operand, cris_bdap_biap_operand,
cris_orthogonal_operator, cris_commutative_orth_op,
cris_operand_extend_operator,
cris_additive_operand_extend_operator, cris_extend_operator,
cris_plus_or_bound_operator, cris_mem_op,
cris_general_operand_or_symbol,
cris_general_operand_or_gotless_symbol,
cris_general_operand_or_plt_symbol, cris_mem_call_operand,
cris_load_multiple_op): Remove predicate functions.
(cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
abort, for UNSPECs other than CRIS_UNSPEC_PLT.
* config/cris/cris.h (PREDICATE_CODES): Don't define.
* config/cris/cris.md: Include predicates.md.
("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
From-SVN: r98471
+2005-04-21 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/predicates.md: New file.
+ * config/cris/cris-protos.h (cris_store_multiple_op_p)
+ (cris_movem_load_rest_p): Declare.
+ * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
+ (cris_movem_load_rest_p): Ditto. Globalize.
+ (cris_bdap_operand, cris_bdap_biap_operand,
+ cris_orthogonal_operator, cris_commutative_orth_op,
+ cris_operand_extend_operator,
+ cris_additive_operand_extend_operator, cris_extend_operator,
+ cris_plus_or_bound_operator, cris_mem_op,
+ cris_general_operand_or_symbol,
+ cris_general_operand_or_gotless_symbol,
+ cris_general_operand_or_plt_symbol, cris_mem_call_operand,
+ cris_load_multiple_op): Remove predicate functions.
+ (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
+ abort, for UNSPECs other than CRIS_UNSPEC_PLT.
+ * config/cris/cris.h (PREDICATE_CODES): Don't define.
+ * config/cris/cris.md: Include predicates.md.
+ ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
+
2005-04-20 Ian Lance Taylor <ian@airs.com>
* c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
extern int cris_gotless_symbol (rtx);
extern int cris_got_symbol (rtx);
extern int cris_symbol (rtx);
+extern bool cris_store_multiple_op_p (rtx);
+extern bool cris_movem_load_rest_p (rtx, int);
extern void cris_asm_output_symbol_ref (FILE *, rtx);
extern bool cris_output_addr_const_extra (FILE *, rtx);
extern int cris_cfun_uses_pic_table (void);
static int cris_reg_saved_in_regsave_area (unsigned int, bool);
-static int cris_movem_load_rest_p (rtx, int);
-
static void cris_asm_output_mi_thunk
(FILE *, tree, HOST_WIDE_INT, HOST_WIDE_INT, tree);
struct gcc_target targetm = TARGET_INITIALIZER;
-/* Predicate functions. */
-
-/* This checks a part of an address, the one that is not a plain register
- for an addressing mode using BDAP.
- Allowed operands is either:
- a) a register
- b) a CONST operand (but not a symbol when generating PIC)
- c) a [r] or [r+] in SImode, or sign-extend from HI or QI. */
-
-int
-cris_bdap_operand (rtx op, enum machine_mode mode)
-{
- register enum rtx_code code = GET_CODE (op);
-
- if (mode != SImode && (mode != VOIDmode || GET_MODE (op) != VOIDmode))
- return 0;
-
- /* Just return whether this is a simple register or constant. */
- if (register_operand (op, mode)
- || (CONSTANT_P (op) && !(flag_pic && cris_symbol (op))))
- return 1;
-
- /* Is it a [r] or possibly a [r+]? */
- if (code == MEM)
- {
- rtx tem = XEXP (op, 0);
-
- if (mode == SImode
- && (register_operand (tem, SImode)
- || (GET_CODE (tem) == POST_INC
- && register_operand (XEXP (tem, 0), SImode))))
- return 1;
- else
- return 0;
- }
-
- /* Perhaps a sign-extended mem: [r].(b|w) or [r+].(b|w)? */
- if (code == SIGN_EXTEND)
- {
- rtx tem = XEXP (op, 0);
-
- if (GET_CODE (tem) != MEM)
- return 0;
-
- tem = XEXP (tem, 0);
- if (mode == SImode
- && (register_operand (tem, SImode)
- || (GET_CODE (tem) == POST_INC
- && register_operand (XEXP (tem, 0), SImode))))
- return 1;
- else
- return 0;
- }
-
- return 0;
-}
-
-/* This is similar to cris_bdap_operand:
- It checks a part of an address, the one that is not a plain register
- for an addressing mode using BDAP *or* BIAP.
- Allowed operands is either:
- a) a register
- b) a CONST operand (but not a symbol when generating PIC)
- c) a mult of (1, 2 or 4) and a register
- d) a [r] or [r+] in SImode, or sign-extend from HI or QI. */
-
-int
-cris_bdap_biap_operand (rtx op, enum machine_mode mode)
-{
- register enum rtx_code code = GET_CODE (op);
- rtx reg;
- rtx val;
-
- /* Check for bdap operand. */
- if (cris_bdap_operand (op, mode))
- return 1;
-
- if (mode != SImode && (mode != VOIDmode || GET_MODE (op) != VOIDmode))
- return 0;
-
- /* Check that we're looking at a BIAP operand. */
- if (code != MULT)
- return 0;
-
- /* Canonicalize register and multiplicand. */
- if (GET_CODE (XEXP (op, 0)) == CONST_INT)
- {
- val = XEXP (op, 0);
- reg = XEXP (op, 1);
- }
- else
- {
- val = XEXP (op, 1);
- reg = XEXP (op, 0);
- }
-
- /* Check that the operands are correct after canonicalization. */
- if (! register_operand (reg, SImode) || GET_CODE (val) != CONST_INT)
- return 0;
-
- /* Check that the multiplicand has a valid value. */
- if ((code == MULT
- && (INTVAL (val) == 1 || INTVAL (val) == 2 || INTVAL (val) == 4)))
- return 1;
-
- return 0;
-}
-
-/* Check if MODE is same as mode for X, and X is PLUS, MINUS, IOR or
- AND or UMIN. */
-
-int
-cris_orthogonal_operator (rtx x, enum machine_mode mode)
-{
- enum rtx_code code = GET_CODE (x);
-
- if (mode == VOIDmode)
- mode = GET_MODE (x);
-
- return (GET_MODE (x) == mode
- && (code == PLUS || code == MINUS
- || code == IOR || code == AND || code == UMIN));
-}
-
-/* Check if MODE is same as mode for X, and X is PLUS, IOR or AND or
- UMIN. */
-
-int
-cris_commutative_orth_op (rtx x, enum machine_mode mode)
-{
- enum rtx_code code = GET_CODE (x);
-
- if (mode == VOIDmode)
- mode = GET_MODE (x);
-
- return (GET_MODE (x) == mode &&
- (code == PLUS
- || code == IOR || code == AND || code == UMIN));
-}
-
-/* Check if MODE is same as mode for X, and X is PLUS or MINUS or UMIN.
- By the name, you might think we should include MULT. We don't because
- it doesn't accept the same addressing modes as the others (ony
- registers) and there's also the problem of handling TARGET_MUL_BUG. */
-
-int
-cris_operand_extend_operator (rtx x, enum machine_mode mode)
-{
- enum rtx_code code = GET_CODE (x);
-
- if (mode == VOIDmode)
- mode = GET_MODE (x);
-
- return (GET_MODE (x) == mode
- && (code == PLUS || code == MINUS || code == UMIN));
-}
-
-/* Check if MODE is same as mode for X, and X is PLUS or MINUS. */
-
-int
-cris_additive_operand_extend_operator (rtx x, enum machine_mode mode)
-{
- enum rtx_code code = GET_CODE (x);
-
- if (mode == VOIDmode)
- mode = GET_MODE (x);
-
- return (GET_MODE (x) == mode
- && (code == PLUS || code == MINUS));
-}
-
-/* Check to see if MODE is same as mode for X, and X is SIGN_EXTEND or
- ZERO_EXTEND. */
-
-int
-cris_extend_operator (rtx x, enum machine_mode mode)
-{
- enum rtx_code code = GET_CODE (x);
-
- if (mode == VOIDmode)
- mode = GET_MODE (x);
-
- return
- (GET_MODE (x) == mode && (code == SIGN_EXTEND || code == ZERO_EXTEND));
-}
-
-/* Check to see if MODE is same as mode for X, and X is PLUS or BOUND. */
-
-int
-cris_plus_or_bound_operator (rtx x, enum machine_mode mode)
-{
- enum rtx_code code = GET_CODE (x);
-
- if (mode == VOIDmode)
- mode = GET_MODE (x);
-
- return
- (GET_MODE (x) == mode && (code == UMIN || code == PLUS));
-}
-
-/* Used as an operator to get a handle on a already-known-valid MEM rtx:es
- (no need to validate the address), where some address expression parts
- have their own match_operand. */
-
-int
-cris_mem_op (rtx x, enum machine_mode mode)
-{
- if (mode == VOIDmode)
- mode = GET_MODE (x);
-
- return GET_MODE (x) == mode && GET_CODE (x) == MEM;
-}
-
-/* Since with -fPIC, not all symbols are valid PIC symbols or indeed
- general_operands, we have to have a predicate that matches it for the
- "movsi" expander. */
-
-int
-cris_general_operand_or_symbol (rtx op, enum machine_mode mode)
-{
- return general_operand (op, mode)
- || (CONSTANT_P (op) && cris_symbol (op));
-}
-
-/* Since a PIC symbol without a GOT entry is not a general_operand, we
- have to have a predicate that matches it. We use this in the expanded
- "movsi" anonymous pattern. */
-
-int
-cris_general_operand_or_gotless_symbol (rtx op, enum machine_mode mode)
-{
- return general_operand (op, mode)
- || (GET_CODE (op) == UNSPEC && XINT (op, 1) == CRIS_UNSPEC_GOT)
- || (CONSTANT_P (op) && cris_gotless_symbol (op));
-}
-
-/* Since a PLT symbol is not a general_operand, we have to have a
- predicate that matches it when we need it. We use this in the expanded
- "call" and "call_value" anonymous patterns. */
-
-int
-cris_general_operand_or_plt_symbol (rtx op, enum machine_mode mode)
-{
- return general_operand (op, mode)
- || (GET_CODE (op) == CONST
- && GET_CODE (XEXP (op, 0)) == UNSPEC
- && !TARGET_AVOID_GOTPLT);
-}
-
-/* This matches a (MEM (general_operand)) or
- (MEM (cris_general_operand_or_symbol)). The second one isn't a valid
- memory_operand, so we need this predicate to recognize call
- destinations before we change them to a PLT operand (by wrapping in
- UNSPEC CRIS_UNSPEC_PLT). */
-
-int
-cris_mem_call_operand (rtx op, enum machine_mode mode)
-{
- rtx xmem;
-
- if (GET_CODE (op) != MEM)
- return 0;
-
- if (memory_operand (op, mode))
- return 1;
-
- xmem = XEXP (op, 0);
-
- return cris_general_operand_or_symbol (xmem, GET_MODE (op));
-}
-
/* Helper for cris_load_multiple_op and cris_ret_movem_op. */
-static int
+bool
cris_movem_load_rest_p (rtx op, int offs)
{
unsigned int reg_count = XVECLEN (op, 0) - offs;
|| GET_CODE (XVECEXP (op, 0, offs)) != SET
|| GET_CODE (SET_DEST (XVECEXP (op, 0, offs))) != REG
|| GET_CODE (SET_SRC (XVECEXP (op, 0, offs))) != MEM)
- return 0;
+ return false;
/* Check a possible post-inc indicator. */
if (GET_CODE (SET_SRC (XVECEXP (op, 0, offs + 1))) == PLUS)
|| REGNO (reg) != REGNO (SET_DEST (XVECEXP (op, 0, offs + 1)))
|| GET_CODE (inc) != CONST_INT
|| INTVAL (inc) != (HOST_WIDE_INT) reg_count * 4)
- return 0;
+ return false;
i = offs + 2;
}
else
|| GET_CODE (SET_SRC (elt)) != MEM
|| GET_MODE (SET_SRC (elt)) != SImode
|| !memory_address_p (SImode, src_addr))
- return 0;
+ return false;
for (setno = 1; i < XVECLEN (op, 0); setno++, i++)
{
|| ! rtx_equal_p (XEXP (XEXP (SET_SRC (elt), 0), 0), src_addr)
|| GET_CODE (XEXP (XEXP (SET_SRC (elt), 0), 1)) != CONST_INT
|| INTVAL (XEXP (XEXP (SET_SRC (elt), 0), 1)) != setno * 4)
- return 0;
+ return false;
}
- return 1;
-}
-
-/* Predicate for the parallel contents in a movem from-memory. */
-
-int
-cris_load_multiple_op (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
-{
- return cris_movem_load_rest_p (op, 0);
+ return true;
}
-/* Predicate for the parallel contents in a movem to-memory. */
+/* Worker function for predicate for the parallel contents in a movem
+ to-memory. */
-int
-cris_store_multiple_op (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
+bool
+cris_store_multiple_op_p (rtx op)
{
int reg_count = XVECLEN (op, 0);
rtx dest;
/* Perform a quick check so we don't blow up below. FIXME: Adjust for
other than (MEM reg) and (MEM (PLUS reg const)). */
if (reg_count <= 1)
- return 0;
+ return false;
elt = XVECEXP (op, 0, 0);
if (GET_CODE (elt) != SET)
- return 0;
+ return false;
dest = SET_DEST (elt);
if (GET_CODE (SET_SRC (elt)) != REG
|| GET_CODE (dest) != MEM)
- return 0;
+ return false;
dest_addr = XEXP (dest, 0);
&& REGNO (XEXP (dest_addr, 0)) == REGNO (reg)
&& GET_CODE (XEXP (dest_addr, 1)) == CONST_INT
&& INTVAL (XEXP (dest_addr, 1)) == INTVAL (inc))))
- return 0;
+ return false;
i = 2;
}
|| REGNO (SET_SRC (elt)) != (unsigned int) regno
|| GET_CODE (SET_DEST (elt)) != MEM
|| GET_MODE (SET_DEST (elt)) != SImode)
- return 0;
+ return false;
if (REG_P (dest_addr))
{
offset = INTVAL (XEXP (dest_addr, 1));
}
else
- return 0;
+ return false;
for (setno = 1; i < XVECLEN (op, 0); setno++, i++)
{
|| ! rtx_equal_p (XEXP (XEXP (SET_DEST (elt), 0), 0), dest_base)
|| GET_CODE (XEXP (XEXP (SET_DEST (elt), 0), 1)) != CONST_INT
|| INTVAL (XEXP (XEXP (SET_DEST (elt), 0), 1)) != setno * 4 + offset)
- return 0;
+ return false;
}
- return 1;
+ return true;
}
/* The CONDITIONAL_REGISTER_USAGE worker. */
return 1;
case UNSPEC:
- if (XINT (x, 1) == CRIS_UNSPEC_GOT)
+ if (XINT (x, 1) == CRIS_UNSPEC_GOT || XINT (x, 1) != CRIS_UNSPEC_PLT)
return 0;
/* A PLT reference. */
ASSERT_PLT_UNSPEC (x);
case UNSPEC:
if (XINT (x, 1) == CRIS_UNSPEC_GOT)
return 1;
+ if (XINT (x, 1) != CRIS_UNSPEC_PLT)
+ return 0;
ASSERT_PLT_UNSPEC (x);
return 1;
/* Node: Misc */
-/* FIXME: Check this one more time. */
-#define PREDICATE_CODES \
- {"cris_orthogonal_operator", \
- {PLUS, MINUS, IOR, AND, UMIN}}, \
- {"cris_commutative_orth_op", \
- {PLUS, IOR, AND, UMIN}}, \
- {"cris_operand_extend_operator", \
- {PLUS, MINUS, UMIN}}, \
- {"cris_additive_operand_extend_operator", \
- {PLUS, MINUS}}, \
- {"cris_extend_operator", \
- {ZERO_EXTEND, SIGN_EXTEND}}, \
- {"cris_plus_or_bound_operator", \
- {PLUS, UMIN}}, \
- {"cris_mem_op", \
- {MEM}}, \
- {"cris_load_multiple_op", \
- {PARALLEL}}, \
- {"cris_store_multiple_op", \
- {PARALLEL}}, \
- {"cris_bdap_operand", \
- {SUBREG, REG, LABEL_REF, SYMBOL_REF, MEM, CONST_INT, \
- CONST_DOUBLE, CONST, SIGN_EXTEND}}, \
- {"cris_bdap_biap_operand", \
- {SUBREG, REG, LABEL_REF, SYMBOL_REF, MEM, CONST_INT, \
- CONST_DOUBLE, CONST, SIGN_EXTEND, MULT}}, \
- {"cris_general_operand_or_gotless_symbol", \
- {CONST_INT, CONST_DOUBLE, CONST, SYMBOL_REF, \
- LABEL_REF, SUBREG, REG, MEM, UNSPEC}}, \
- {"cris_general_operand_or_symbol", \
- {CONST_INT, CONST_DOUBLE, CONST, SYMBOL_REF, \
- LABEL_REF, SUBREG, REG, MEM}}, \
- {"cris_general_operand_or_plt_symbol", \
- {CONST_INT, CONST_DOUBLE, CONST, SYMBOL_REF, \
- LABEL_REF, SUBREG, REG, MEM}}, \
- {"cris_mem_call_operand", \
- {MEM}},
-
/* A combination of the bound (umin) insn together with a
sign-extended add via the table to PC seems optimal.
If the table overflows, the assembler will take care of it.
(define_delay (eq_attr "slottable" "has_slot")
[(eq_attr "slottable" "yes") (nil) (nil)])
\f
+;; Operand and operator predicates.
+
+(include "predicates.md")
+\f
;; Test insns.
;; DImode
for the symbol cause bad recombinatorial effects? */
op0 = force_reg (Pmode,
gen_rtx_CONST
- (VOIDmode,
+ (Pmode,
gen_rtx_UNSPEC (VOIDmode,
gen_rtvec (1, op0),
CRIS_UNSPEC_PLT)));
for the symbol cause bad recombinatorial effects? */
op1 = force_reg (Pmode,
gen_rtx_CONST
- (VOIDmode,
+ (Pmode,
gen_rtx_UNSPEC (VOIDmode,
gen_rtvec (1, op1),
CRIS_UNSPEC_PLT)));
--- /dev/null
+;; Operand and operator predicates for the GCC CRIS port.
+;; Copyright (C) 2005 Free Software Foundation, Inc.
+
+;; This file is part of GCC.
+;;
+;; GCC is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+;;
+;; GCC is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with GCC; see the file COPYING. If not, write to
+;; the Free Software Foundation, 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+
+;; Operator predicates.
+
+(define_predicate "cris_orthogonal_operator"
+ (match_code "plus, minus, ior, and, umin"))
+
+(define_predicate "cris_commutative_orth_op"
+ (match_code "plus, ior, and, umin"))
+
+;; By the name, you might think we should include MULT. We don't because
+;; it doesn't accept the same addressing modes as the others (only
+;; registers) and there's also the problem of handling TARGET_MUL_BUG.
+
+(define_predicate "cris_operand_extend_operator"
+ (match_code "plus, minus, umin"))
+
+(define_predicate "cris_additive_operand_extend_operator"
+ (match_code "plus, minus"))
+
+(define_predicate "cris_extend_operator"
+ (match_code "zero_extend, sign_extend"))
+
+(define_predicate "cris_plus_or_bound_operator"
+ (match_code "plus, umin"))
+
+;; Used as an operator to get a handle on a already-known-valid MEM rtx:es
+;; (no need to validate the address), where some address expression parts
+;; have their own match_operand.
+
+(define_predicate "cris_mem_op"
+ (match_code "mem"))
+
+(define_predicate "cris_load_multiple_op"
+ (and (match_code "parallel")
+ (match_test "cris_movem_load_rest_p (op, 0)")))
+
+(define_predicate "cris_store_multiple_op"
+ (and (match_code "parallel")
+ (match_test "cris_store_multiple_op_p (op)")))
+
+
+;; Operand helper predicates.
+
+(define_predicate "cris_bdap_const_operand"
+ (and (match_code "label_ref, symbol_ref, const_int, const_double, const")
+ (not (and (match_test "flag_pic")
+ (match_test "cris_symbol (op)")))))
+
+(define_predicate "cris_simple_address_operand"
+ (ior (match_operand:SI 0 "register_operand")
+ (and (match_code "post_inc")
+ (match_test "register_operand (XEXP (op, 0), Pmode)"))))
+
+(define_predicate "cris_simple_operand"
+ (ior (match_operand 0 "register_operand")
+ (and (match_code "mem")
+ (match_test "cris_simple_address_operand (XEXP (op, 0),
+ Pmode)"))))
+
+;; The caller needs to use :SI.
+(define_predicate "cris_bdap_sign_extend_operand"
+ (and (match_code "sign_extend")
+ (and (match_test "MEM_P (XEXP (op, 0))")
+ (match_test "cris_simple_address_operand (XEXP (XEXP (op, 0), 0),
+ Pmode)"))))
+
+;; FIXME: Should not have to test for 1.
+(define_predicate "cris_scale_int_operand"
+ (and (match_code "const_int")
+ (ior (ior (match_test "op == GEN_INT (4)")
+ (match_test "op == const2_rtx"))
+ (match_test "op == const1_rtx"))))
+
+;; FIXME: Should be able to assume (reg int).
+(define_predicate "cris_biap_mult_operand"
+ (and (match_code "mult")
+ (ior (and (match_test "register_operand (XEXP (op, 0), Pmode)")
+ (match_test "cris_scale_int_operand (XEXP (op, 1), Pmode)"))
+ (and (match_test "cris_scale_int_operand (XEXP (op, 0), Pmode)")
+ (match_test "register_operand (XEXP (op, 1), Pmode)")))))
+
+
+;; Operand predicates.
+
+;; This checks a part of an address, the one that is not a plain register
+;; for an addressing mode using BDAP.
+;; Allowed operands are either:
+;; a) a register
+;; b) a CONST operand (but not a symbol when generating PIC)
+;; c) a [r] or [r+] in SImode, or sign-extend from HI or QI.
+
+(define_predicate "cris_bdap_operand"
+ (ior (match_operand 0 "cris_bdap_const_operand")
+ (ior (match_operand:SI 0 "cris_simple_operand")
+ (match_operand:SI 0 "cris_bdap_sign_extend_operand"))))
+
+;; This is similar to cris_bdap_operand:
+;; It checks a part of an address, the one that is not a plain register
+;; for an addressing mode using BDAP or BIAP.
+;; Allowed operands are either:
+;; a) a register
+;; b) a CONST operand (but not a symbol when generating PIC)
+;; c) a mult of (1, 2 or 4) and a register
+;; d) a [r] or [r+] in SImode, or sign-extend from HI or QI. */
+
+(define_predicate "cris_bdap_biap_operand"
+ (ior (match_operand 0 "cris_bdap_operand")
+ (match_operand 0 "cris_biap_mult_operand")))
+
+;; Since a PIC symbol without a GOT entry is not a general_operand, we
+;; have to have a predicate that matches it. We use this in the expanded
+;; "movsi" anonymous pattern.
+;; FIXME: Can s/special_// when PR 20413 is fixed.
+
+(define_special_predicate "cris_general_operand_or_gotless_symbol"
+ (ior (match_operand 0 "general_operand")
+ (and (match_code "const, symbol_ref, label_ref, unspec")
+ (match_test "cris_gotless_symbol (op)"))))
+
+;; Since with -fPIC, not all symbols are valid PIC symbols or indeed
+;; general_operands, we have to have a predicate that matches it for the
+;; "movsi" expander.
+;; FIXME: Can s/special_// when PR 20413 is fixed.
+
+(define_special_predicate "cris_general_operand_or_symbol"
+ (ior (match_operand 0 "general_operand")
+ (and (match_code "const, symbol_ref, label_ref")
+ (match_test "cris_symbol (op)"))))
+
+;; Since a PLT symbol is not a general_operand, we have to have a
+;; predicate that matches it when we need it. We use this in the expanded
+;; "call" and "call_value" anonymous patterns.
+
+(define_predicate "cris_general_operand_or_plt_symbol"
+ (ior (match_operand 0 "general_operand")
+ (and (match_code "const")
+ (and (match_test "GET_CODE (XEXP (op, 0)) == UNSPEC")
+ (not (match_test "TARGET_AVOID_GOTPLT"))))))
+
+;; This matches a (MEM (general_operand)) or
+;; (MEM (cris_general_operand_or_symbol)). The second one isn't a valid
+;; memory_operand, so we need this predicate to recognize call
+;; destinations before we change them to a PLT operand (by wrapping in
+;; UNSPEC CRIS_UNSPEC_PLT).
+
+(define_predicate "cris_mem_call_operand"
+ (and (match_code "mem")
+ (ior (match_operand 0 "memory_operand")
+ (match_test "cris_general_operand_or_symbol (XEXP (op, 0),
+ Pmode)"))))
projects / platform / upstream / gcc.git / commitdiff