;; Changes by Michael Meissner, meissner@osf.org
;; 64 bit r4000 support by Ian Lance Taylor, ian@cygnus.com, and
;; Brendan Eich, brendan@microunity.com.
-;; Copyright (C) 1989, 90-96, 1997 Free Software Foundation, Inc.
+;; Copyright (C) 1989, 90-97, 1998 Free Software Foundation, Inc.
;; This file is part of GNU CC.
;; whether or not an instruction has a mandatory delay slot
(define_attr "dslot" "no,yes"
- (if_then_else (eq_attr "type" "branch,jump,call,load,xfer,hilo,fcmp")
+ (if_then_else (ior (eq_attr "type" "branch,jump,call,xfer,hilo,fcmp")
+ (and (eq_attr "type" "load")
+ (and (eq (symbol_ref "mips_isa") (const_int 1))
+ (eq (symbol_ref "mips16") (const_int 0)))))
(const_string "yes")
(const_string "no")))
;; ??? Fix everything that tests this attribute.
(define_attr "cpu"
- "default,r3000,r6000,r4000,r4100,r4300,r4600,r4650,r5000,r8000"
+ "default,r3000,r3900,r6000,r4000,r4100,r4300,r4600,r4650,r5000,r8000"
(const (symbol_ref "mips_cpu_attr")))
;; Attribute defining whether or not we can use the branch-likely instructions
-;; (MIPS ISA level 2)
(define_attr "branch_likely" "no,yes"
(const
- (if_then_else (ge (symbol_ref "mips_isa") (const_int 2))
+ (if_then_else (ne (symbol_ref "GENERATE_BRANCHLIKELY") (const_int 0))
(const_string "yes")
(const_string "no"))))
;;
;; .........................
-(define_delay (eq_attr "type" "branch")
+(define_delay (and (eq_attr "type" "branch")
+ (eq (symbol_ref "mips16") (const_int 0)))
[(and (eq_attr "dslot" "no") (eq_attr "length" "1"))
(nil)
(and (eq_attr "branch_likely" "yes") (and (eq_attr "dslot" "no") (eq_attr "length" "1")))])
(define_function_unit "memory" 1 0
(and (eq_attr "type" "load")
- (eq_attr "cpu" "!r3000,r4600,r4650,r4100,r4300,r5000"))
+ (eq_attr "cpu" "!r3000,r3900,r4600,r4650,r4100,r4300,r5000"))
3 0)
(define_function_unit "memory" 1 0
(and (eq_attr "type" "load")
- (eq_attr "cpu" "r3000,r4600,r4650,r4100,r4300,r5000"))
+ (eq_attr "cpu" "r3000,r3900,r4600,r4650,r4100,r4300,r5000"))
2 0)
(define_function_unit "memory" 1 0 (eq_attr "type" "store") 1 0)
(define_function_unit "imuldiv" 1 0
(and (eq_attr "type" "imul")
- (eq_attr "cpu" "!r3000,r4000,r4600,r4650,r4100,r4300,r5000"))
+ (eq_attr "cpu" "!r3000,r3900,r4000,r4600,r4650,r4100,r4300,r5000"))
17 17)
+;; On them mips16, we want to stronly discourage a mult from appearing
+;; after an mflo, since that requires explicit nop instructions. We
+;; do this by pretending that mflo ties up the function unit for long
+;; enough that the scheduler will ignore load stalls and the like when
+;; selecting instructions to between the two instructions.
+
+(define_function_unit "imuldiv" 1 0
+ (and (eq_attr "type" "hilo") (ne (symbol_ref "mips16") (const_int 0)))
+ 1 5)
+
(define_function_unit "imuldiv" 1 0
- (and (eq_attr "type" "imul") (eq_attr "cpu" "r3000"))
+ (and (eq_attr "type" "imul") (eq_attr "cpu" "r3000,r3900"))
12 12)
(define_function_unit "imuldiv" 1 0
(define_function_unit "imuldiv" 1 0
(and (eq_attr "type" "idiv")
- (eq_attr "cpu" "!r3000,r4000,r4600,r4650,r4100,r4300,r5000"))
+ (eq_attr "cpu" "!r3000,r3900,r4000,r4600,r4650,r4100,r4300,r5000"))
38 38)
(define_function_unit "imuldiv" 1 0
- (and (eq_attr "type" "idiv") (eq_attr "cpu" "r3000"))
+ (and (eq_attr "type" "idiv") (eq_attr "cpu" "r3000,r3900"))
35 35)
(define_function_unit "imuldiv" 1 0
(and (eq_attr "mode" "DI") (eq_attr "cpu" "r5000")))
68 68)
-;; The R4300 does *NOT* have a seperate Floating Point Unit, instead
+;; The R4300 does *NOT* have a separate Floating Point Unit, instead
;; the FP hardware is part of the normal ALU circuitry. This means FP
;; instructions affect the pipe-line, and no functional unit
;; parallelism can occur on R4300 processors. To force GCC into coding
;; instructions to be processed in the "imuldiv" unit.
(define_function_unit "adder" 1 1
- (and (eq_attr "type" "fcmp") (eq_attr "cpu" "!r3000,r6000,r4300,r5000"))
+ (and (eq_attr "type" "fcmp") (eq_attr "cpu" "!r3000,r3900,r6000,r4300,r5000"))
3 0)
(define_function_unit "adder" 1 1
- (and (eq_attr "type" "fcmp") (eq_attr "cpu" "r3000,r6000"))
+ (and (eq_attr "type" "fcmp") (eq_attr "cpu" "r3000,r3900,r6000"))
2 0)
(define_function_unit "adder" 1 1
1 0)
(define_function_unit "adder" 1 1
- (and (eq_attr "type" "fadd") (eq_attr "cpu" "!r3000,r6000,r4300"))
+ (and (eq_attr "type" "fadd") (eq_attr "cpu" "!r3000,r3900,r6000,r4300"))
4 0)
(define_function_unit "adder" 1 1
- (and (eq_attr "type" "fadd") (eq_attr "cpu" "r3000"))
+ (and (eq_attr "type" "fadd") (eq_attr "cpu" "r3000,r3900"))
2 0)
(define_function_unit "adder" 1 1
(define_function_unit "adder" 1 1
(and (eq_attr "type" "fabs,fneg")
- (eq_attr "cpu" "!r3000,r4600,r4650,r4300,r5000"))
+ (eq_attr "cpu" "!r3000,r3900,r4600,r4650,r4300,r5000"))
2 0)
(define_function_unit "adder" 1 1
- (and (eq_attr "type" "fabs,fneg") (eq_attr "cpu" "r3000,r4600,r4650,r5000"))
+ (and (eq_attr "type" "fabs,fneg") (eq_attr "cpu" "r3000,r3900,r4600,r4650,r5000"))
1 0)
(define_function_unit "mult" 1 1
(and (eq_attr "type" "fmul")
(and (eq_attr "mode" "SF")
- (eq_attr "cpu" "!r3000,r6000,r4600,r4650,r4300,r5000")))
+ (eq_attr "cpu" "!r3000,r3900,r6000,r4600,r4650,r4300,r5000")))
7 0)
(define_function_unit "mult" 1 1
(and (eq_attr "type" "fmul")
- (and (eq_attr "mode" "SF") (eq_attr "cpu" "r3000,r5000")))
+ (and (eq_attr "mode" "SF") (eq_attr "cpu" "r3000,r3900,r5000")))
4 0)
(define_function_unit "mult" 1 1
(define_function_unit "mult" 1 1
(and (eq_attr "type" "fmul")
- (and (eq_attr "mode" "DF") (eq_attr "cpu" "!r3000,r6000,r4300,r5000")))
+ (and (eq_attr "mode" "DF") (eq_attr "cpu" "!r3000,r3900,r6000,r4300,r5000")))
8 0)
(define_function_unit "mult" 1 1
(and (eq_attr "type" "fmul")
- (and (eq_attr "mode" "DF") (eq_attr "cpu" "r3000,r5000")))
+ (and (eq_attr "mode" "DF") (eq_attr "cpu" "r3000,r3900,r5000")))
5 0)
(define_function_unit "mult" 1 1
(define_function_unit "divide" 1 1
(and (eq_attr "type" "fdiv")
(and (eq_attr "mode" "SF")
- (eq_attr "cpu" "!r3000,r6000,r4600,r4650,r4300,r5000")))
+ (eq_attr "cpu" "!r3000,r3900,r6000,r4600,r4650,r4300,r5000")))
23 0)
(define_function_unit "divide" 1 1
(and (eq_attr "type" "fdiv")
- (and (eq_attr "mode" "SF") (eq_attr "cpu" "r3000")))
+ (and (eq_attr "mode" "SF") (eq_attr "cpu" "r3000,r3900")))
12 0)
(define_function_unit "divide" 1 1
(define_function_unit "divide" 1 1
(and (eq_attr "type" "fdiv")
(and (eq_attr "mode" "DF")
- (eq_attr "cpu" "!r3000,r6000,r4600,r4650,r4300")))
+ (eq_attr "cpu" "!r3000,r3900,r6000,r4600,r4650,r4300")))
36 0)
(define_function_unit "divide" 1 1
(and (eq_attr "type" "fdiv")
- (and (eq_attr "mode" "DF") (eq_attr "cpu" "r3000")))
+ (and (eq_attr "mode" "DF") (eq_attr "cpu" "r3000,r3900")))
19 0)
(define_function_unit "divide" 1 1
""
"
{
- if (GET_CODE (operands[2]) == CONST_INT && INTVAL (operands[2]) == -32768)
+ /* The mips16 assembler handles -32768 correctly, and so does gas,
+ but some other MIPS assemblers think that -32768 needs to be
+ loaded into a register before it can be added in. */
+ if (! TARGET_MIPS16
+ && ! TARGET_GAS
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) == -32768)
operands[2] = force_reg (SImode, operands[2]);
}")
[(set (match_operand:SI 0 "register_operand" "=d")
(plus:SI (match_operand:SI 1 "reg_or_0_operand" "dJ")
(match_operand:SI 2 "arith_operand" "dI")))]
- "GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768"
+ "! TARGET_MIPS16
+ && (TARGET_GAS
+ || GET_CODE (operands[2]) != CONST_INT
+ || INTVAL (operands[2]) != -32768)"
"addu\\t%0,%z1,%2"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
(set_attr "length" "1")])
+;; For the mips16, we need to recognize stack pointer additions
+;; explicitly, since we don't have a constraint for $sp. These insns
+;; will be generated by the save_restore_insns functions.
+
+(define_insn ""
+ [(set (reg:SI 29)
+ (plus:SI (reg:SI 29)
+ (match_operand:SI 0 "small_int" "I")))]
+ "TARGET_MIPS16"
+ "addu\\t%$,%$,%0"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set (attr "length") (if_then_else (match_operand:VOID 0 "m16_simm8_8" "")
+ (const_int 1)
+ (const_int 2)))])
+
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (plus:SI (reg:SI 29)
+ (match_operand:SI 1 "small_int" "I")))]
+ "TARGET_MIPS16"
+ "addu\\t%0,%$,%1"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set (attr "length") (if_then_else (match_operand:VOID 1 "m16_uimm8_4" "")
+ (const_int 1)
+ (const_int 2)))])
+
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d,d,d")
+ (plus:SI (match_operand:SI 1 "register_operand" "0,d,d")
+ (match_operand:SI 2 "arith_operand" "IQ,O,d")))]
+ "TARGET_MIPS16
+ && (GET_CODE (operands[1]) != REG
+ || REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER
+ || M16_REG_P (REGNO (operands[1]))
+ || REGNO (operands[1]) == ARG_POINTER_REGNUM
+ || REGNO (operands[1]) == FRAME_POINTER_REGNUM
+ || REGNO (operands[1]) == STACK_POINTER_REGNUM)
+ && (GET_CODE (operands[2]) != REG
+ || REGNO (operands[2]) >= FIRST_PSEUDO_REGISTER
+ || M16_REG_P (REGNO (operands[2]))
+ || REGNO (operands[2]) == ARG_POINTER_REGNUM
+ || REGNO (operands[2]) == FRAME_POINTER_REGNUM
+ || REGNO (operands[2]) == STACK_POINTER_REGNUM)"
+ "*
+{
+ if (REGNO (operands[0]) == REGNO (operands[1]))
+ return \"addu\\t%0,%2\";
+ return \"addu\\t%0,%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr_alternative "length"
+ [(if_then_else (match_operand:VOID 2 "m16_simm8_1" "")
+ (const_int 1)
+ (const_int 2))
+ (if_then_else (match_operand:VOID 2 "m16_simm4_1" "")
+ (const_int 1)
+ (const_int 2))
+ (const_int 1)])])
+
+
+;; On the mips16, we can sometimes split an add of a constant which is
+;; a 4 byte instruction into two adds which are both 2 byte
+;; instructions. There are two cases: one where we are adding a
+;; constant plus a register to another register, and one where we are
+;; simply adding a constant to a register.
+
+(define_split
+ [(set (match_operand:SI 0 "register_operand" "")
+ (plus:SI (match_dup 0)
+ (match_operand:SI 1 "const_int_operand" "")))]
+ "TARGET_MIPS16 && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == CONST_INT
+ && ((INTVAL (operands[1]) > 0x7f
+ && INTVAL (operands[1]) <= 0x7f + 0x7f)
+ || (INTVAL (operands[1]) < - 0x80
+ && INTVAL (operands[1]) >= - 0x80 - 0x80))"
+ [(set (match_dup 0) (plus:SI (match_dup 0) (match_dup 1)))
+ (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 2)))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[1]);
+
+ if (val >= 0)
+ {
+ operands[1] = GEN_INT (0x7f);
+ operands[2] = GEN_INT (val - 0x7f);
+ }
+ else
+ {
+ operands[1] = GEN_INT (- 0x80);
+ operands[2] = GEN_INT (val + 0x80);
+ }
+}")
+
+(define_split
+ [(set (match_operand:SI 0 "register_operand" "")
+ (plus:SI (match_operand:SI 1 "register_operand" "")
+ (match_operand:SI 2 "const_int_operand" "")))]
+ "TARGET_MIPS16 && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == REG
+ && M16_REG_P (REGNO (operands[1]))
+ && REGNO (operands[0]) != REGNO (operands[1])
+ && GET_CODE (operands[2]) == CONST_INT
+ && ((INTVAL (operands[2]) > 0x7
+ && INTVAL (operands[2]) <= 0x7 + 0x7f)
+ || (INTVAL (operands[2]) < - 0x8
+ && INTVAL (operands[2]) >= - 0x8 - 0x80))"
+ [(set (match_dup 0) (plus:SI (match_dup 1) (match_dup 2)))
+ (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 3)))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[2]);
+
+ if (val >= 0)
+ {
+ operands[2] = GEN_INT (0x7);
+ operands[3] = GEN_INT (val - 0x7);
+ }
+ else
+ {
+ operands[2] = GEN_INT (- 0x8);
+ operands[3] = GEN_INT (val + 0x8);
+ }
+}")
+
(define_expand "adddi3"
[(parallel [(set (match_operand:DI 0 "register_operand" "")
(plus:DI (match_operand:DI 1 "se_register_operand" "")
(match_operand:DI 2 "se_arith_operand" "")))
(clobber (match_dup 3))])]
- "TARGET_64BIT || !TARGET_DEBUG_G_MODE"
+ "TARGET_64BIT || (!TARGET_DEBUG_G_MODE && !TARGET_MIPS16)"
"
{
- if (GET_CODE (operands[2]) == CONST_INT && INTVAL (operands[2]) == -32768)
+ /* The mips16 assembler handles -32768 correctly, and so does gas,
+ but some other MIPS assemblers think that -32768 needs to be
+ loaded into a register before it can be added in. */
+ if (! TARGET_MIPS16
+ && ! TARGET_GAS
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) == -32768)
operands[2] = force_reg (DImode, operands[2]);
if (TARGET_64BIT)
(plus:DI (match_operand:DI 1 "register_operand" "0,d")
(match_operand:DI 2 "register_operand" "d,d")))
(clobber (match_operand:SI 3 "register_operand" "=d,d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE"
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16"
"*
{
return (REGNO (operands[0]) == REGNO (operands[1])
(plus:DI (match_operand:DI 1 "register_operand" "")
(match_operand:DI 2 "register_operand" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && GP_REG_P (REGNO (operands[0]))
&& GET_CODE (operands[1]) == REG && GP_REG_P (REGNO (operands[1]))
&& GET_CODE (operands[2]) == REG && GP_REG_P (REGNO (operands[2]))
(plus:DI (match_operand:DI 1 "register_operand" "")
(match_operand:DI 2 "register_operand" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && GP_REG_P (REGNO (operands[0]))
&& GET_CODE (operands[1]) == REG && GP_REG_P (REGNO (operands[1]))
&& GET_CODE (operands[2]) == REG && GP_REG_P (REGNO (operands[2]))
(plus:DI (match_operand:DI 1 "register_operand" "%d,%d,%d")
(match_operand:DI 2 "small_int" "P,J,N")))
(clobber (match_operand:SI 3 "register_operand" "=d,d,d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && INTVAL (operands[2]) != -32768"
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
+ && INTVAL (operands[2]) != -32768"
"@
addu\\t%L0,%L1,%2\;sltu\\t%3,%L0,%2\;addu\\t%M0,%M1,%3
move\\t%L0,%L1\;move\\t%M0,%M1
(plus:DI (match_operand:DI 1 "register_operand" "")
(match_operand:DI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" "=d"))]
- "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && GP_REG_P (REGNO (operands[0]))
&& GET_CODE (operands[1]) == REG && GP_REG_P (REGNO (operands[1]))
&& INTVAL (operands[2]) > 0"
(plus:DI (match_operand:DI 1 "register_operand" "")
(match_operand:DI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" "=d"))]
- "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && GP_REG_P (REGNO (operands[0]))
&& GET_CODE (operands[1]) == REG && GP_REG_P (REGNO (operands[1]))
&& INTVAL (operands[2]) > 0"
[(set (match_operand:DI 0 "register_operand" "=d")
(plus:DI (match_operand:DI 1 "se_reg_or_0_operand" "dJ")
(match_operand:DI 2 "se_arith_operand" "dI")))]
- "TARGET_64BIT && (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768)"
+ "TARGET_64BIT
+ && !TARGET_MIPS16
+ && (TARGET_GAS
+ || GET_CODE (operands[2]) != CONST_INT
+ || INTVAL (operands[2]) != -32768)"
"*
{
return (GET_CODE (operands[2]) == CONST_INT && INTVAL (operands[2]) < 0)
(set_attr "mode" "DI")
(set_attr "length" "1")])
+;; For the mips16, we need to recognize stack pointer additions
+;; explicitly, since we don't have a constraint for $sp. These insns
+;; will be generated by the save_restore_insns functions.
+
+(define_insn ""
+ [(set (reg:DI 29)
+ (plus:DI (reg:DI 29)
+ (match_operand:DI 0 "small_int" "I")))]
+ "TARGET_MIPS16 && TARGET_64BIT"
+ "daddu\\t%$,%$,%0"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set (attr "length") (if_then_else (match_operand:VOID 0 "m16_simm8_8" "")
+ (const_int 1)
+ (const_int 2)))])
+
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (plus:DI (reg:DI 29)
+ (match_operand:DI 1 "small_int" "I")))]
+ "TARGET_MIPS16 && TARGET_64BIT"
+ "daddu\\t%0,%$,%1"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set (attr "length") (if_then_else (match_operand:VOID 0 "m16_uimm5_4" "")
+ (const_int 1)
+ (const_int 2)))])
+
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d,d,d")
+ (plus:DI (match_operand:DI 1 "register_operand" "0,d,d")
+ (match_operand:DI 2 "arith_operand" "IQ,O,d")))]
+ "TARGET_MIPS16 && TARGET_64BIT
+ && (GET_CODE (operands[1]) != REG
+ || REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER
+ || M16_REG_P (REGNO (operands[1]))
+ || REGNO (operands[1]) == ARG_POINTER_REGNUM
+ || REGNO (operands[1]) == FRAME_POINTER_REGNUM
+ || REGNO (operands[1]) == STACK_POINTER_REGNUM)
+ && (GET_CODE (operands[2]) != REG
+ || REGNO (operands[2]) >= FIRST_PSEUDO_REGISTER
+ || M16_REG_P (REGNO (operands[2]))
+ || REGNO (operands[2]) == ARG_POINTER_REGNUM
+ || REGNO (operands[2]) == FRAME_POINTER_REGNUM
+ || REGNO (operands[2]) == STACK_POINTER_REGNUM)"
+ "*
+{
+ if (REGNO (operands[0]) == REGNO (operands[1]))
+ return \"daddu\\t%0,%2\";
+ return \"daddu\\t%0,%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr_alternative "length"
+ [(if_then_else (match_operand:VOID 2 "m16_simm5_1" "")
+ (const_int 1)
+ (const_int 2))
+ (if_then_else (match_operand:VOID 2 "m16_simm4_1" "")
+ (const_int 1)
+ (const_int 2))
+ (const_int 1)])])
+
+
+;; On the mips16, we can sometimes split an add of a constant which is
+;; a 4 byte instruction into two adds which are both 2 byte
+;; instructions. There are two cases: one where we are adding a
+;; constant plus a register to another register, and one where we are
+;; simply adding a constant to a register.
+
+(define_split
+ [(set (match_operand:DI 0 "register_operand" "")
+ (plus:DI (match_dup 0)
+ (match_operand:DI 1 "const_int_operand" "")))]
+ "TARGET_MIPS16 && TARGET_64BIT && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == CONST_INT
+ && ((INTVAL (operands[1]) > 0xf
+ && INTVAL (operands[1]) <= 0xf + 0xf)
+ || (INTVAL (operands[1]) < - 0x10
+ && INTVAL (operands[1]) >= - 0x10 - 0x10))"
+ [(set (match_dup 0) (plus:DI (match_dup 0) (match_dup 1)))
+ (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 2)))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[1]);
+
+ if (val >= 0)
+ {
+ operands[1] = GEN_INT (0xf);
+ operands[2] = GEN_INT (val - 0xf);
+ }
+ else
+ {
+ operands[1] = GEN_INT (- 0x10);
+ operands[2] = GEN_INT (val + 0x10);
+ }
+}")
+
+(define_split
+ [(set (match_operand:DI 0 "register_operand" "")
+ (plus:DI (match_operand:DI 1 "register_operand" "")
+ (match_operand:DI 2 "const_int_operand" "")))]
+ "TARGET_MIPS16 && TARGET_64BIT && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == REG
+ && M16_REG_P (REGNO (operands[1]))
+ && REGNO (operands[0]) != REGNO (operands[1])
+ && GET_CODE (operands[2]) == CONST_INT
+ && ((INTVAL (operands[2]) > 0x7
+ && INTVAL (operands[2]) <= 0x7 + 0xf)
+ || (INTVAL (operands[2]) < - 0x8
+ && INTVAL (operands[2]) >= - 0x8 - 0x10))"
+ [(set (match_dup 0) (plus:DI (match_dup 1) (match_dup 2)))
+ (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 3)))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[2]);
+
+ if (val >= 0)
+ {
+ operands[2] = GEN_INT (0x7);
+ operands[3] = GEN_INT (val - 0x7);
+ }
+ else
+ {
+ operands[2] = GEN_INT (- 0x8);
+ operands[3] = GEN_INT (val + 0x8);
+ }
+}")
(define_insn "addsi3_internal_2"
[(set (match_operand:DI 0 "register_operand" "=d")
(sign_extend:DI (plus:SI (match_operand:SI 1 "reg_or_0_operand" "dJ")
(match_operand:SI 2 "arith_operand" "dI"))))]
- "TARGET_64BIT && (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768)"
+ "TARGET_64BIT
+ && !TARGET_MIPS16
+ && (TARGET_GAS
+ || GET_CODE (operands[2]) != CONST_INT
+ || INTVAL (operands[2]) != -32768)"
"*
{
return (GET_CODE (operands[2]) == CONST_INT && INTVAL (operands[2]) < 0)
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d,d,d")
+ (sign_extend:DI (plus:SI (match_operand:SI 1 "register_operand" "0,d,d")
+ (match_operand:SI 2 "arith_operand" "I,O,d"))))]
+ "TARGET_MIPS16 && TARGET_64BIT"
+ "*
+{
+ if (REGNO (operands[0]) == REGNO (operands[1]))
+ return \"addu\\t%0,%2\";
+ return \"addu\\t%0,%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr_alternative "length"
+ [(if_then_else (match_operand:VOID 2 "m16_simm8_1" "")
+ (const_int 1)
+ (const_int 2))
+ (if_then_else (match_operand:VOID 2 "m16_simm4_1" "")
+ (const_int 1)
+ (const_int 2))
+ (const_int 1)])])
+
\f
;;
;; ....................
""
"
{
- if (GET_CODE (operands[2]) == CONST_INT && INTVAL (operands[2]) == -32768)
+ if (GET_CODE (operands[2]) == CONST_INT
+ && (INTVAL (operands[2]) == -32768
+ || (TARGET_MIPS16
+ && INTVAL (operands[2]) == -0x4000)))
operands[2] = force_reg (SImode, operands[2]);
}")
[(set (match_operand:SI 0 "register_operand" "=d")
(minus:SI (match_operand:SI 1 "reg_or_0_operand" "dJ")
(match_operand:SI 2 "arith_operand" "dI")))]
- "GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768"
+ "!TARGET_MIPS16
+ && (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768)"
"subu\\t%0,%z1,%2"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
(set_attr "length" "1")])
+;; For the mips16, we need to recognize stack pointer subtractions
+;; explicitly, since we don't have a constraint for $sp. These insns
+;; will be generated by the save_restore_insns functions.
+
+(define_insn ""
+ [(set (reg:SI 29)
+ (minus:SI (reg:SI 29)
+ (match_operand:SI 0 "small_int" "I")))]
+ "TARGET_MIPS16
+ && (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768)"
+ "addu\\t%$,%$,%n0"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set (attr "length") (if_then_else (match_operand:VOID 0 "m16_nsimm8_8" "")
+ (const_int 1)
+ (const_int 2)))])
+
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (minus:SI (reg:SI 29)
+ (match_operand:SI 1 "small_int" "I")))]
+ "TARGET_MIPS16
+ && (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768)"
+ "addu\\t%0,%$,%n1"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set (attr "length") (if_then_else (match_operand:VOID 1 "m16_nuimm8_4" "")
+ (const_int 1)
+ (const_int 2)))])
+
+
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d,d,d")
+ (minus:SI (match_operand:SI 1 "register_operand" "0,d,d")
+ (match_operand:SI 2 "arith_operand" "I,O,d")))]
+ "TARGET_MIPS16
+ && (GET_CODE (operands[2]) != CONST_INT
+ || (INTVAL (operands[2]) != -32768 && INTVAL (operands[2]) != -0x4000))"
+ "*
+{
+ if (REGNO (operands[0]) == REGNO (operands[1]))
+ return \"subu\\t%0,%2\";
+ return \"subu\\t%0,%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr_alternative "length"
+ [(if_then_else (match_operand:VOID 2 "m16_nsimm8_1" "")
+ (const_int 1)
+ (const_int 2))
+ (if_then_else (match_operand:VOID 2 "m16_nsimm4_1" "")
+ (const_int 1)
+ (const_int 2))
+ (const_int 1)])])
+
+;; On the mips16, we can sometimes split an subtract of a constant
+;; which is a 4 byte instruction into two adds which are both 2 byte
+;; instructions. There are two cases: one where we are setting a
+;; register to a register minus a constant, and one where we are
+;; simply subtracting a constant from a register.
+
+(define_split
+ [(set (match_operand:SI 0 "register_operand" "")
+ (minus:SI (match_dup 0)
+ (match_operand:SI 1 "const_int_operand" "")))]
+ "TARGET_MIPS16 && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == CONST_INT
+ && ((INTVAL (operands[1]) > 0x80
+ && INTVAL (operands[1]) <= 0x80 + 0x80)
+ || (INTVAL (operands[1]) < - 0x7f
+ && INTVAL (operands[1]) >= - 0x7f - 0x7f))"
+ [(set (match_dup 0) (minus:SI (match_dup 0) (match_dup 1)))
+ (set (match_dup 0) (minus:SI (match_dup 0) (match_dup 2)))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[1]);
+
+ if (val >= 0)
+ {
+ operands[1] = GEN_INT (0x80);
+ operands[2] = GEN_INT (val - 0x80);
+ }
+ else
+ {
+ operands[1] = GEN_INT (- 0x7f);
+ operands[2] = GEN_INT (val + 0x7f);
+ }
+}")
+
+(define_split
+ [(set (match_operand:SI 0 "register_operand" "")
+ (minus:SI (match_operand:SI 1 "register_operand" "")
+ (match_operand:SI 2 "const_int_operand" "")))]
+ "TARGET_MIPS16 && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == REG
+ && M16_REG_P (REGNO (operands[1]))
+ && REGNO (operands[0]) != REGNO (operands[1])
+ && GET_CODE (operands[2]) == CONST_INT
+ && ((INTVAL (operands[2]) > 0x8
+ && INTVAL (operands[2]) <= 0x8 + 0x80)
+ || (INTVAL (operands[2]) < - 0x7
+ && INTVAL (operands[2]) >= - 0x7 - 0x7f))"
+ [(set (match_dup 0) (minus:SI (match_dup 1) (match_dup 2)))
+ (set (match_dup 0) (minus:SI (match_dup 0) (match_dup 3)))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[2]);
+
+ if (val >= 0)
+ {
+ operands[2] = GEN_INT (0x8);
+ operands[3] = GEN_INT (val - 0x8);
+ }
+ else
+ {
+ operands[2] = GEN_INT (- 0x7);
+ operands[3] = GEN_INT (val + 0x7);
+ }
+}")
+
(define_expand "subdi3"
[(parallel [(set (match_operand:DI 0 "register_operand" "=d")
(minus:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_register_operand" "d")))
(clobber (match_dup 3))])]
- "TARGET_64BIT || !TARGET_DEBUG_G_MODE"
+ "TARGET_64BIT || (!TARGET_DEBUG_G_MODE && !TARGET_MIPS16)"
"
{
if (TARGET_64BIT)
(minus:DI (match_operand:DI 1 "register_operand" "d")
(match_operand:DI 2 "register_operand" "d")))
(clobber (match_operand:SI 3 "register_operand" "=d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE"
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16"
"sltu\\t%3,%L1,%L2\;subu\\t%L0,%L1,%L2\;subu\\t%M0,%M1,%M2\;subu\\t%M0,%M0,%3"
[(set_attr "type" "darith")
(set_attr "mode" "DI")
(minus:DI (match_operand:DI 1 "register_operand" "")
(match_operand:DI 2 "register_operand" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && GP_REG_P (REGNO (operands[0]))
&& GET_CODE (operands[1]) == REG && GP_REG_P (REGNO (operands[1]))
&& GET_CODE (operands[2]) == REG && GP_REG_P (REGNO (operands[2]))"
(minus:DI (match_operand:DI 1 "register_operand" "")
(match_operand:DI 2 "register_operand" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && GP_REG_P (REGNO (operands[0]))
&& GET_CODE (operands[1]) == REG && GP_REG_P (REGNO (operands[1]))
&& GET_CODE (operands[2]) == REG && GP_REG_P (REGNO (operands[2]))"
(minus:DI (match_operand:DI 1 "register_operand" "d,d,d")
(match_operand:DI 2 "small_int" "P,J,N")))
(clobber (match_operand:SI 3 "register_operand" "=d,d,d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && INTVAL (operands[2]) != -32768"
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
+ && INTVAL (operands[2]) != -32768"
"@
sltu\\t%3,%L1,%2\;subu\\t%L0,%L1,%2\;subu\\t%M0,%M1,%3
move\\t%L0,%L1\;move\\t%M0,%M1
(minus:DI (match_operand:DI 1 "register_operand" "")
(match_operand:DI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && GP_REG_P (REGNO (operands[0]))
&& GET_CODE (operands[1]) == REG && GP_REG_P (REGNO (operands[1]))
&& INTVAL (operands[2]) > 0"
(minus:DI (match_operand:DI 1 "register_operand" "")
(match_operand:DI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && GP_REG_P (REGNO (operands[0]))
&& GET_CODE (operands[1]) == REG && GP_REG_P (REGNO (operands[1]))
&& INTVAL (operands[2]) > 0"
[(set (match_operand:DI 0 "register_operand" "=d")
(minus:DI (match_operand:DI 1 "se_reg_or_0_operand" "dJ")
(match_operand:DI 2 "se_arith_operand" "dI")))]
- "TARGET_64BIT && (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768)"
+ "TARGET_64BIT && !TARGET_MIPS16
+ && (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768)"
"*
{
return (GET_CODE (operands[2]) == CONST_INT && INTVAL (operands[2]) < 0)
(set_attr "mode" "DI")
(set_attr "length" "1")])
+;; For the mips16, we need to recognize stack pointer subtractions
+;; explicitly, since we don't have a constraint for $sp. These insns
+;; will be generated by the save_restore_insns functions.
+
+(define_insn ""
+ [(set (reg:DI 29)
+ (minus:DI (reg:DI 29)
+ (match_operand:DI 0 "small_int" "I")))]
+ "TARGET_MIPS16
+ && (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768)"
+ "daddu\\t%$,%$,%n0"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set (attr "length") (if_then_else (match_operand:VOID 0 "m16_nsimm8_8" "")
+ (const_int 1)
+ (const_int 2)))])
+
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (minus:DI (reg:DI 29)
+ (match_operand:DI 1 "small_int" "I")))]
+ "TARGET_MIPS16
+ && (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768)"
+ "daddu\\t%0,%$,%n1"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set (attr "length") (if_then_else (match_operand:VOID 0 "m16_nuimm5_4" "")
+ (const_int 1)
+ (const_int 2)))])
+
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d,d,d")
+ (minus:DI (match_operand:DI 1 "register_operand" "0,d,d")
+ (match_operand:DI 2 "arith_operand" "I,O,d")))]
+ "TARGET_MIPS16
+ && (GET_CODE (operands[2]) != CONST_INT
+ || (INTVAL (operands[2]) != -32768 && INTVAL (operands[2]) != -0x4000))"
+ "*
+{
+ if (REGNO (operands[0]) == REGNO (operands[1]))
+ return \"dsubu\\t%0,%2\";
+ return \"dsubu\\t%0,%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr_alternative "length"
+ [(if_then_else (match_operand:VOID 2 "m16_nsimm5_1" "")
+ (const_int 1)
+ (const_int 2))
+ (if_then_else (match_operand:VOID 2 "m16_nsimm4_1" "")
+ (const_int 1)
+ (const_int 2))
+ (const_int 1)])])
+
+;; On the mips16, we can sometimes split an add of a constant which is
+;; a 4 byte instruction into two adds which are both 2 byte
+;; instructions. There are two cases: one where we are adding a
+;; constant plus a register to another register, and one where we are
+;; simply adding a constant to a register.
+
+(define_split
+ [(set (match_operand:DI 0 "register_operand" "")
+ (minus:DI (match_dup 0)
+ (match_operand:DI 1 "const_int_operand" "")))]
+ "TARGET_MIPS16 && TARGET_64BIT && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == CONST_INT
+ && ((INTVAL (operands[1]) > 0x10
+ && INTVAL (operands[1]) <= 0x10 + 0x10)
+ || (INTVAL (operands[1]) < - 0xf
+ && INTVAL (operands[1]) >= - 0xf - 0xf))"
+ [(set (match_dup 0) (minus:DI (match_dup 0) (match_dup 1)))
+ (set (match_dup 0) (minus:DI (match_dup 0) (match_dup 2)))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[1]);
+
+ if (val >= 0)
+ {
+ operands[1] = GEN_INT (0xf);
+ operands[2] = GEN_INT (val - 0xf);
+ }
+ else
+ {
+ operands[1] = GEN_INT (- 0x10);
+ operands[2] = GEN_INT (val + 0x10);
+ }
+}")
+
+(define_split
+ [(set (match_operand:DI 0 "register_operand" "")
+ (minus:DI (match_operand:DI 1 "register_operand" "")
+ (match_operand:DI 2 "const_int_operand" "")))]
+ "TARGET_MIPS16 && TARGET_64BIT && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == REG
+ && M16_REG_P (REGNO (operands[1]))
+ && REGNO (operands[0]) != REGNO (operands[1])
+ && GET_CODE (operands[2]) == CONST_INT
+ && ((INTVAL (operands[2]) > 0x8
+ && INTVAL (operands[2]) <= 0x8 + 0x10)
+ || (INTVAL (operands[2]) < - 0x7
+ && INTVAL (operands[2]) >= - 0x7 - 0xf))"
+ [(set (match_dup 0) (minus:DI (match_dup 1) (match_dup 2)))
+ (set (match_dup 0) (minus:DI (match_dup 0) (match_dup 3)))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[2]);
+
+ if (val >= 0)
+ {
+ operands[2] = GEN_INT (0x8);
+ operands[3] = GEN_INT (val - 0x8);
+ }
+ else
+ {
+ operands[2] = GEN_INT (- 0x7);
+ operands[3] = GEN_INT (val + 0x7);
+ }
+}")
(define_insn "subsi3_internal_2"
[(set (match_operand:DI 0 "register_operand" "=d")
(sign_extend:DI (minus:SI (match_operand:SI 1 "reg_or_0_operand" "dJ")
(match_operand:SI 2 "arith_operand" "dI"))))]
- "TARGET_64BIT && (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768)"
+ "TARGET_64BIT && !TARGET_MIPS16
+ && (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != -32768)"
"*
{
return (GET_CODE (operands[2]) == CONST_INT && INTVAL (operands[2]) < 0)
(set_attr "mode" "DI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d,d,d")
+ (sign_extend:DI (minus:SI (match_operand:SI 1 "register_operand" "0,d,d")
+ (match_operand:SI 2 "arith_operand" "I,O,d"))))]
+ "TARGET_64BIT && TARGET_MIPS16
+ && (GET_CODE (operands[2]) != CONST_INT
+ || (INTVAL (operands[2]) != -32768 && INTVAL (operands[2]) != -0x4000))"
+ "*
+{
+ if (REGNO (operands[0]) == REGNO (operands[1]))
+ return \"subu\\t%0,%2\";
+ return \"subu\\t%0,%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr_alternative "length"
+ [(if_then_else (match_operand:VOID 2 "m16_nsimm8_1" "")
+ (const_int 1)
+ (const_int 2))
+ (if_then_else (match_operand:VOID 2 "m16_nsimm4_1" "")
+ (const_int 1)
+ (const_int 2))
+ (const_int 1)])])
+
+
\f
;;
;; ....................
""
"
{
- if (TARGET_MAD)
+ if (GENERATE_MULT3)
+ emit_insn (gen_mulsi3_mult3 (operands[0], operands[1], operands[2]));
+ else if (TARGET_MAD)
emit_insn (gen_mulsi3_r4650 (operands[0], operands[1], operands[2]));
- else if (mips_cpu != PROCESSOR_R4000)
+ else if (mips_cpu != PROCESSOR_R4000 || TARGET_MIPS16)
emit_insn (gen_mulsi3_internal (operands[0], operands[1], operands[2]));
else
emit_insn (gen_mulsi3_r4000 (operands[0], operands[1], operands[2]));
DONE;
}")
+(define_insn "mulsi3_mult3"
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (mult:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "register_operand" "d")))
+ (clobber (match_scratch:SI 3 "=h"))
+ (clobber (match_scratch:SI 4 "=l"))
+ (clobber (match_scratch:SI 5 "=a"))]
+ "GENERATE_MULT3"
+ "mult\\t%0,%1,%2"
+ [(set_attr "type" "imul")
+ (set_attr "mode" "SI")
+ (set_attr "length" "1")])
+
(define_insn "mulsi3_internal"
[(set (match_operand:SI 0 "register_operand" "=l")
(mult:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "register_operand" "d")))
(clobber (match_scratch:SI 3 "=h"))
(clobber (match_scratch:SI 4 "=a"))]
- "mips_cpu != PROCESSOR_R4000"
+ "mips_cpu != PROCESSOR_R4000 || TARGET_MIPS16"
"mult\\t%1,%2"
[(set_attr "type" "imul")
(set_attr "mode" "SI")
(clobber (match_scratch:SI 3 "=h"))
(clobber (match_scratch:SI 4 "=l"))
(clobber (match_scratch:SI 5 "=a"))]
- "mips_cpu == PROCESSOR_R4000"
+ "mips_cpu == PROCESSOR_R4000 && !TARGET_MIPS16"
"*
{
rtx xoperands[10];
"TARGET_64BIT"
"
{
- if (mips_cpu != PROCESSOR_R4000)
- emit_insn (gen_muldi3_internal (operands[0], operands[1], operands[2]));
+ if (GENERATE_MULT3 || mips_cpu == PROCESSOR_R4000 || TARGET_MIPS16)
+ emit_insn (gen_muldi3_internal2 (operands[0], operands[1], operands[2]));
else
- emit_insn (gen_muldi3_r4000 (operands[0], operands[1], operands[2]));
+ emit_insn (gen_muldi3_internal (operands[0], operands[1], operands[2]));
DONE;
}")
(match_operand:DI 2 "register_operand" "d")))
(clobber (match_scratch:DI 3 "=h"))
(clobber (match_scratch:DI 4 "=a"))]
- "TARGET_64BIT && mips_cpu != PROCESSOR_R4000"
+ "TARGET_64BIT && mips_cpu != PROCESSOR_R4000 && !TARGET_MIPS16"
"dmult\\t%1,%2"
[(set_attr "type" "imul")
(set_attr "mode" "DI")
(set_attr "length" "1")])
-(define_insn "muldi3_r4000"
+(define_insn "muldi3_internal2"
[(set (match_operand:DI 0 "register_operand" "=d")
(mult:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "register_operand" "d")))
(clobber (match_scratch:DI 3 "=h"))
(clobber (match_scratch:DI 4 "=l"))
(clobber (match_scratch:DI 5 "=a"))]
- "TARGET_64BIT && mips_cpu == PROCESSOR_R4000"
+ "TARGET_64BIT && (GENERATE_MULT3 || mips_cpu == PROCESSOR_R4000 || TARGET_MIPS16)"
"*
{
- rtx xoperands[10];
+ if (GENERATE_MULT3)
+ output_asm_insn (\"dmult\\t%0,%1,%2\", operands);
+ else
+ {
+ rtx xoperands[10];
- xoperands[0] = operands[0];
- xoperands[1] = gen_rtx (REG, DImode, LO_REGNUM);
+ xoperands[0] = operands[0];
+ xoperands[1] = gen_rtx (REG, DImode, LO_REGNUM);
- output_asm_insn (\"dmult\\t%1,%2\", operands);
- output_asm_insn (mips_move_1word (xoperands, insn, FALSE), xoperands);
+ output_asm_insn (\"dmult\\t%1,%2\", operands);
+ output_asm_insn (mips_move_1word (xoperands, insn, FALSE), xoperands);
+ }
return \"\";
}"
[(set_attr "type" "imul")
(set_attr "mode" "DI")
- (set_attr "length" "3")]) ;; mult + mflo + delay
+ (set (attr "length")
+ (if_then_else (ne (symbol_ref "GENERATE_MULT3") (const_int 0))
+ (const_int 1)
+ (const_int 3)))]) ;; mult + mflo + delay
;; ??? We could define a mulditi3 pattern when TARGET_64BIT.
(match_dup 0)))
(clobber (match_scratch:SI 3 "=h"))
(clobber (match_scratch:SI 4 "=a"))]
- "TARGET_MAD"
- "mad\\t%1,%2"
+ "TARGET_MAD || GENERATE_MADD"
+ "*
+{
+ if (TARGET_MAD)
+ return \"mad\\t%1,%2\";
+ else
+ return \"madd\\t%1,%2\";
+}"
[(set_attr "type" "imul")
(set_attr "mode" "SI")
(set_attr "length" "1")])
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn "madd3"
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (plus:SI (mult:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "register_operand" "d"))
+ (match_operand:SI 3 "register_operand" "l")))
+ (clobber (match_scratch:SI 4 "=l"))
+ (clobber (match_scratch:SI 5 "=h"))
+ (clobber (match_scratch:SI 6 "=a"))]
+ "GENERATE_MADD"
+ "madd\\t%0,%1,%2"
+ [(set_attr "type" "imul")
+ (set_attr "mode" "SI")
+ (set_attr "length" "1")])
+
;; Floating point multiply accumulate instructions.
(define_insn ""
(set_attr "mode" "DI")
(set_attr "length" "8")]) ;; various tests for dividing by 0 and such
-(define_insn "divsi3"
+(define_expand "divsi3"
[(set (match_operand:SI 0 "register_operand" "=d")
(div:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "nonmemory_operand" "di")))
(clobber (match_scratch:SI 4 "=h"))
(clobber (match_scratch:SI 6 "=a"))]
"!optimize"
+ "
+{
+ /* MIPS16 needs div/rem ops in registers. */
+ if (TARGET_MIPS16)
+ operands[2] = force_reg (SImode, operands[2]);
+}")
+
+(define_insn "divsi3_internal"
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (div:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "nonmemory_operand" "di")))]
+ "!optimize"
"div\\t%0,%1,%2"
[(set_attr "type" "idiv")
(set_attr "mode" "SI")
- (set_attr "length" "13")]) ;; various tests for dividing by 0 and such
+ (set_attr "length" "13")]) ;; various tests for dividing by 0 and such
-(define_insn "divdi3"
+(define_expand "divdi3"
[(set (match_operand:DI 0 "register_operand" "=d")
(div:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_nonmemory_operand" "di")))
(clobber (match_scratch:DI 4 "=h"))
(clobber (match_scratch:DI 6 "=a"))]
"TARGET_64BIT && !optimize"
- "ddiv\\t%0,%1,%2"
- [(set_attr "type" "idiv")
- (set_attr "mode" "DI")
- (set_attr "length" "14")]) ;; various tests for dividing by 0 and such
+ "
+{
+ /* MIPS16 needs div/rem ops in registers. */
+ if (TARGET_MIPS16)
+ operands[2] = force_reg (DImode, operands[2]);
+}")
+
+(define_insn "divdi3_internal"
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (div:DI (match_operand:DI 1 "se_register_operand" "d")
+ (match_operand:DI 2 "se_nonmemory_operand" "di")))]
+ "TARGET_64BIT && !optimize"
+ "ddiv\\t%0,%1,%2"
+ [(set_attr "type" "idiv")
+ (set_attr "mode" "DI")
+ (set_attr "length" "14")]) ;; various tests for dividing by 0 and such
-(define_insn "modsi3"
+(define_expand "modsi3"
[(set (match_operand:SI 0 "register_operand" "=d")
(mod:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "nonmemory_operand" "di")))
(clobber (match_scratch:SI 4 "=h"))
(clobber (match_scratch:SI 6 "=a"))]
"!optimize"
+ "
+{
+ /* MIPS16 needs div/rem ops in registers. */
+ if (TARGET_MIPS16)
+ operands[2] = force_reg (SImode, operands[2]);
+}")
+
+(define_insn "modsi3_internal"
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (mod:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "nonmemory_operand" "di")))]
+ "!optimize"
"rem\\t%0,%1,%2"
[(set_attr "type" "idiv")
(set_attr "mode" "SI")
- (set_attr "length" "13")]) ;; various tests for dividing by 0 and such
+ (set_attr "length" "13")]) ;; various tests for dividing by 0 and such
-(define_insn "moddi3"
+(define_expand "moddi3"
[(set (match_operand:DI 0 "register_operand" "=d")
(mod:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_nonmemory_operand" "di")))
(clobber (match_scratch:DI 4 "=h"))
(clobber (match_scratch:DI 6 "=a"))]
"TARGET_64BIT && !optimize"
+ "
+{
+ /* MIPS16 needs div/rem ops in registers. */
+ if (TARGET_MIPS16)
+ operands[2] = force_reg (DImode, operands[2]);
+}")
+
+(define_insn "moddi3_internal"
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (mod:DI (match_operand:DI 1 "se_register_operand" "d")
+ (match_operand:DI 2 "se_nonmemory_operand" "di")))]
+ "TARGET_64BIT && !optimize"
"drem\\t%0,%1,%2"
[(set_attr "type" "idiv")
(set_attr "mode" "DI")
- (set_attr "length" "14")]) ;; various tests for dividing by 0 and such
+ (set_attr "length" "14")]) ;; various tests for dividing by 0 and such
-(define_insn "udivsi3"
+(define_expand "udivsi3"
[(set (match_operand:SI 0 "register_operand" "=d")
(udiv:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "nonmemory_operand" "di")))
(clobber (match_scratch:SI 4 "=h"))
(clobber (match_scratch:SI 6 "=a"))]
"!optimize"
+ "
+{
+ /* MIPS16 needs div/rem ops in registers. */
+ if (TARGET_MIPS16)
+ operands[2] = force_reg (SImode, operands[2]);
+}")
+
+(define_insn "udivsi3_internal"
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (udiv:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "nonmemory_operand" "di")))]
+ "!optimize"
"divu\\t%0,%1,%2"
[(set_attr "type" "idiv")
(set_attr "mode" "SI")
- (set_attr "length" "7")]) ;; various tests for dividing by 0 and such
+ (set_attr "length" "7")]) ;; various tests for dividing by 0 and such
-(define_insn "udivdi3"
+(define_expand "udivdi3"
[(set (match_operand:DI 0 "register_operand" "=d")
(udiv:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_nonmemory_operand" "di")))
(clobber (match_scratch:DI 4 "=h"))
(clobber (match_scratch:DI 6 "=a"))]
"TARGET_64BIT && !optimize"
+ "
+{
+ /* MIPS16 needs div/rem ops in registers. */
+ if (TARGET_MIPS16)
+ operands[2] = force_reg (DImode, operands[2]);
+}")
+
+(define_insn "udivdi3_internal"
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (udiv:DI (match_operand:DI 1 "se_register_operand" "d")
+ (match_operand:DI 2 "se_nonmemory_operand" "di")))]
+ "TARGET_64BIT && !optimize"
"ddivu\\t%0,%1,%2"
[(set_attr "type" "idiv")
(set_attr "mode" "DI")
- (set_attr "length" "7")]) ;; various tests for dividing by 0 and such
+ (set_attr "length" "7")]) ;; various tests for dividing by 0 and such
-(define_insn "umodsi3"
+(define_expand "umodsi3"
[(set (match_operand:SI 0 "register_operand" "=d")
(umod:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "nonmemory_operand" "di")))
(clobber (match_scratch:SI 4 "=h"))
(clobber (match_scratch:SI 6 "=a"))]
"!optimize"
+ "
+{
+ /* MIPS16 needs div/rem ops in registers. */
+ if (TARGET_MIPS16)
+ operands[2] = force_reg (SImode, operands[2]);
+}")
+
+(define_insn "umodsi3_internal"
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (umod:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "nonmemory_operand" "di")))]
+ "!optimize"
"remu\\t%0,%1,%2"
[(set_attr "type" "idiv")
(set_attr "mode" "SI")
- (set_attr "length" "7")]) ;; various tests for dividing by 0 and such
+ (set_attr "length" "7")]) ;; various tests for dividing by 0 and such
-(define_insn "umoddi3"
+(define_expand "umoddi3"
[(set (match_operand:DI 0 "register_operand" "=d")
(umod:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_nonmemory_operand" "di")))
(clobber (match_scratch:DI 4 "=h"))
(clobber (match_scratch:DI 6 "=a"))]
"TARGET_64BIT && !optimize"
+ "
+{
+ /* MIPS16 needs div/rem ops in registers. */
+ if (TARGET_MIPS16)
+ operands[2] = force_reg (DImode, operands[2]);
+}")
+
+(define_insn "umoddi3_internal"
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (umod:DI (match_operand:DI 1 "se_register_operand" "d")
+ (match_operand:DI 2 "se_nonmemory_operand" "di")))]
+ "TARGET_64BIT && !optimize"
"dremu\\t%0,%1,%2"
[(set_attr "type" "idiv")
(set_attr "mode" "DI")
- (set_attr "length" "7")]) ;; various tests for dividing by 0 and such
+ (set_attr "length" "7")]) ;; various tests for dividing by 0 and such
\f
;;
(define_insn "abssi2"
[(set (match_operand:SI 0 "register_operand" "=d")
(abs:SI (match_operand:SI 1 "register_operand" "d")))]
- ""
+ "!TARGET_MIPS16"
"*
{
dslots_jump_total++;
if (REGNO (operands[0]) == REGNO (operands[1]))
{
- if (mips_isa >= 2)
+ if (GENERATE_BRANCHLIKELY)
return \"%(bltzl\\t%1,1f\\n\\tsubu\\t%0,%z2,%0\\n1:%)\";
else
return \"bgez\\t%1,1f%#\\n\\tsubu\\t%0,%z2,%0\\n1:\";
(define_insn "absdi2"
[(set (match_operand:DI 0 "register_operand" "=d")
(abs:DI (match_operand:DI 1 "se_register_operand" "d")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"*
{
dslots_jump_total++;
(ffs:SI (match_operand:SI 1 "register_operand" "d")))
(clobber (match_scratch:SI 2 "=&d"))
(clobber (match_scratch:SI 3 "=&d"))]
- ""
+ "!TARGET_MIPS16"
"*
{
dslots_jump_total += 2;
(ffs:DI (match_operand:DI 1 "se_register_operand" "d")))
(clobber (match_scratch:DI 2 "=&d"))
(clobber (match_scratch:DI 3 "=&d"))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"*
{
dslots_jump_total += 2;
""
"*
{
+ if (TARGET_MIPS16)
+ return \"neg\\t%0,%1\";
operands[2] = const0_rtx;
return \"subu\\t%0,%z2,%1\";
}"
[(parallel [(set (match_operand:DI 0 "register_operand" "=d")
(neg:DI (match_operand:DI 1 "se_register_operand" "d")))
(clobber (match_dup 2))])]
- "TARGET_64BIT || !TARGET_DEBUG_G_MODE"
+ "(TARGET_64BIT || !TARGET_DEBUG_G_MODE) && !TARGET_MIPS16"
"
{
if (TARGET_64BIT)
[(set (match_operand:DI 0 "register_operand" "=d")
(neg:DI (match_operand:DI 1 "register_operand" "d")))
(clobber (match_operand:SI 2 "register_operand" "=d"))]
- "! TARGET_64BIT && !TARGET_DEBUG_G_MODE"
+ "! TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16"
"*
{
operands[3] = const0_rtx;
(define_insn "negdi2_internal_2"
[(set (match_operand:DI 0 "register_operand" "=d")
(neg:DI (match_operand:DI 1 "se_register_operand" "d")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"*
{
operands[2] = const0_rtx;
""
"*
{
+ if (TARGET_MIPS16)
+ return \"not\\t%0,%1\";
operands[2] = const0_rtx;
return \"nor\\t%0,%z2,%1\";
}"
""
"*
{
+ if (TARGET_MIPS16)
+ {
+ if (TARGET_64BIT)
+ return \"not\\t%0,%1\";
+ return \"not\\t%M0,%M1\;not\\t%L0,%L1\";
+ }
operands[2] = const0_rtx;
if (TARGET_64BIT)
return \"nor\\t%0,%z2,%1\";
;; ....................
;;
-(define_insn "andsi3"
+;; Many of these instructions uses trivial define_expands, because we
+;; want to use a different set of constraints when TARGET_MIPS16.
+
+(define_expand "andsi3"
[(set (match_operand:SI 0 "register_operand" "=d,d")
(and:SI (match_operand:SI 1 "uns_arith_operand" "%d,d")
(match_operand:SI 2 "uns_arith_operand" "d,K")))]
""
+ "
+{
+ if (TARGET_MIPS16)
+ operands[2] = force_reg (SImode, operands[2]);
+}")
+
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d,d")
+ (and:SI (match_operand:SI 1 "uns_arith_operand" "%d,d")
+ (match_operand:SI 2 "uns_arith_operand" "d,K")))]
+ "!TARGET_MIPS16"
"@
and\\t%0,%1,%2
andi\\t%0,%1,%x2"
(set_attr "mode" "SI")
(set_attr "length" "1")])
-(define_insn "anddi3"
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (and:SI (match_operand:SI 1 "register_operand" "%0")
+ (match_operand:SI 2 "register_operand" "d")))]
+ "TARGET_MIPS16"
+ "and\\t%0,%2"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr "length" "1")])
+
+(define_expand "anddi3"
[(set (match_operand:DI 0 "register_operand" "=d")
(and:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_register_operand" "d")))]
"TARGET_64BIT || !TARGET_DEBUG_G_MODE"
+ "
+{
+ if (TARGET_MIPS16)
+ operands[2] = force_reg (DImode, operands[2]);
+}")
+
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (and:DI (match_operand:DI 1 "se_register_operand" "d")
+ (match_operand:DI 2 "se_register_operand" "d")))]
+ "(TARGET_64BIT || !TARGET_DEBUG_G_MODE) && !TARGET_MIPS16"
"*
{
if (TARGET_64BIT)
(const_int 1)
(const_int 2)))])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (and:DI (match_operand:DI 1 "se_register_operand" "0")
+ (match_operand:DI 2 "se_register_operand" "d")))]
+ "(TARGET_64BIT || !TARGET_DEBUG_G_MODE) && TARGET_MIPS16"
+ "*
+{
+ if (TARGET_64BIT)
+ return \"and\\t%0,%2\";
+ return \"and\\t%M0,%M2\;and\\t%L0,%L2\";
+}"
+ [(set_attr "type" "darith")
+ (set_attr "mode" "DI")
+ (set (attr "length")
+ (if_then_else (ge (symbol_ref "mips_isa") (const_int 3))
+ (const_int 1)
+ (const_int 2)))])
+
(define_split
[(set (match_operand:DI 0 "register_operand" "")
(and:DI (match_operand:DI 1 "register_operand" "")
[(set (match_operand:DI 0 "register_operand" "=d,d")
(and:DI (match_operand:DI 1 "se_register_operand" "%d,d")
(match_operand:DI 2 "se_uns_arith_operand" "d,K")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"@
and\\t%0,%1,%2
andi\\t%0,%1,%x2"
(set_attr "mode" "DI")
(set_attr "length" "1")])
-(define_insn "iorsi3"
+(define_expand "iorsi3"
[(set (match_operand:SI 0 "register_operand" "=d,d")
(ior:SI (match_operand:SI 1 "uns_arith_operand" "%d,d")
(match_operand:SI 2 "uns_arith_operand" "d,K")))]
""
+ "
+{
+ if (TARGET_MIPS16)
+ operands[2] = force_reg (SImode, operands[2]);
+}")
+
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d,d")
+ (ior:SI (match_operand:SI 1 "uns_arith_operand" "%d,d")
+ (match_operand:SI 2 "uns_arith_operand" "d,K")))]
+ "!TARGET_MIPS16"
"@
or\\t%0,%1,%2
ori\\t%0,%1,%x2"
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (ior:SI (match_operand:SI 1 "register_operand" "%0")
+ (match_operand:SI 2 "register_operand" "d")))]
+ "TARGET_MIPS16"
+ "or\\t%0,%2"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr "length" "1")])
+
;;; ??? There is no iordi3 pattern which accepts 'K' constants when
;;; TARGET_64BIT
-(define_insn "iordi3"
+(define_expand "iordi3"
[(set (match_operand:DI 0 "register_operand" "=d")
(ior:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_register_operand" "d")))]
"TARGET_64BIT || !TARGET_DEBUG_G_MODE"
+ "")
+
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (ior:DI (match_operand:DI 1 "se_register_operand" "d")
+ (match_operand:DI 2 "se_register_operand" "d")))]
+ "(TARGET_64BIT || !TARGET_DEBUG_G_MODE) && !TARGET_MIPS16"
"*
{
if (TARGET_64BIT)
(const_int 1)
(const_int 2)))])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (ior:DI (match_operand:DI 1 "se_register_operand" "0")
+ (match_operand:DI 2 "se_register_operand" "d")))]
+ "(TARGET_64BIT || !TARGET_DEBUG_G_MODE) && TARGET_MIPS16"
+ "*
+{
+ if (TARGET_64BIT)
+ return \"or\\t%0,%2\";
+ return \"or\\t%M0,%M2\;or\\t%L0,%L2\";
+}"
+ [(set_attr "type" "darith")
+ (set_attr "mode" "DI")
+ (set (attr "length")
+ (if_then_else (ge (symbol_ref "mips_isa") (const_int 3))
+ (const_int 1)
+ (const_int 2)))])
+
(define_split
[(set (match_operand:DI 0 "register_operand" "")
(ior:DI (match_operand:DI 1 "register_operand" "")
(set (subreg:SI (match_dup 0) 1) (ior:SI (subreg:SI (match_dup 1) 1) (subreg:SI (match_dup 2) 1)))]
"")
-(define_insn "xorsi3"
+(define_expand "xorsi3"
[(set (match_operand:SI 0 "register_operand" "=d,d")
(xor:SI (match_operand:SI 1 "uns_arith_operand" "%d,d")
(match_operand:SI 2 "uns_arith_operand" "d,K")))]
""
+ "")
+
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d,d")
+ (xor:SI (match_operand:SI 1 "uns_arith_operand" "%d,d")
+ (match_operand:SI 2 "uns_arith_operand" "d,K")))]
+ "!TARGET_MIPS16"
"@
xor\\t%0,%1,%2
xori\\t%0,%1,%x2"
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d,t,t")
+ (xor:SI (match_operand:SI 1 "uns_arith_operand" "%0,d,d")
+ (match_operand:SI 2 "uns_arith_operand" "d,K,d")))]
+ "TARGET_MIPS16"
+ "@
+ xor\\t%0,%2
+ cmpi\\t%1,%2
+ cmp\\t%1,%2"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm8_1" "")
+ (const_int 1)
+ (const_int 2))
+ (const_int 1)])])
+
;; ??? If delete the 32-bit long long patterns, then could merge this with
;; the following xordi3_internal pattern.
-(define_insn "xordi3"
+(define_expand "xordi3"
[(set (match_operand:DI 0 "register_operand" "=d")
(xor:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_register_operand" "d")))]
"TARGET_64BIT || !TARGET_DEBUG_G_MODE"
+ "")
+
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (xor:DI (match_operand:DI 1 "se_register_operand" "d")
+ (match_operand:DI 2 "se_register_operand" "d")))]
+ "(TARGET_64BIT || !TARGET_DEBUG_G_MODE) && !TARGET_MIPS16"
"*
{
if (TARGET_64BIT)
(const_int 1)
(const_int 2)))])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (xor:DI (match_operand:DI 1 "se_register_operand" "0")
+ (match_operand:DI 2 "se_register_operand" "d")))]
+ "!TARGET_64BIT && TARGET_MIPS16"
+ "xor\\t%M0,%M2\;xor\\t%L0,%L2"
+ [(set_attr "type" "darith")
+ (set_attr "mode" "DI")
+ (set_attr "length" "2")])
+
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d,t,t")
+ (xor:DI (match_operand:DI 1 "se_register_operand" "%0,d,d")
+ (match_operand:DI 2 "se_uns_arith_operand" "d,K,d")))]
+ "TARGET_64BIT && TARGET_MIPS16"
+ "@
+ xor\\t%0,%2
+ cmpi\\t%1,%2
+ cmp\\t%1,%2"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm8_1" "")
+ (const_int 1)
+ (const_int 2))
+ (const_int 1)])])
+
(define_split
[(set (match_operand:DI 0 "register_operand" "")
(xor:DI (match_operand:DI 1 "register_operand" "")
"")
(define_insn "xordi3_immed"
- [(set (match_operand:DI 0 "register_operand" "d")
+ [(set (match_operand:DI 0 "register_operand" "=d")
(xor:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_uns_arith_operand" "K")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"xori\\t%0,%1,%x2"
[(set_attr "type" "arith")
(set_attr "mode" "DI")
[(set (match_operand:SI 0 "register_operand" "=d")
(and:SI (not:SI (match_operand:SI 1 "register_operand" "d"))
(not:SI (match_operand:SI 2 "register_operand" "d"))))]
- ""
+ "!TARGET_MIPS16"
"nor\\t%0,%z1,%z2"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
[(set (match_operand:DI 0 "register_operand" "=d")
(and:DI (not:DI (match_operand:DI 1 "se_register_operand" "d"))
(not:DI (match_operand:DI 2 "se_register_operand" "d"))))]
- ""
+ "!TARGET_MIPS16"
"*
{
if (TARGET_64BIT)
[(set (match_operand:DI 0 "register_operand" "")
(and:DI (not:DI (match_operand:DI 1 "register_operand" ""))
(not:DI (match_operand:DI 2 "register_operand" ""))))]
- "reload_completed && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && !TARGET_MIPS16 && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
&& GET_CODE (operands[0]) == REG && GP_REG_P (REGNO (operands[0]))
&& GET_CODE (operands[1]) == REG && GP_REG_P (REGNO (operands[1]))
&& GET_CODE (operands[2]) == REG && GP_REG_P (REGNO (operands[2]))"
[(set (match_operand:SI 0 "register_operand" "=d")
(truncate:SI (match_operand:DI 1 "se_register_operand" "d")))]
"TARGET_64BIT"
- "dsll\\t%0,%1,32\;dsra\\t%0,%0,32"
+ "*
+{
+ if (TARGET_MIPS16)
+ return \"dsll\\t%0,%1,32\;dsra\\t%0,32\";
+ return \"dsll\\t%0,%1,32\;dsra\\t%0,%0,32\";
+}"
[(set_attr "type" "darith")
(set_attr "mode" "SI")
- (set_attr "length" "2")])
+ (set (attr "length") (if_then_else (eq (symbol_ref "mips16") (const_int 0))
+ (const_int 2)
+ (const_int 4)))])
(define_insn "truncdihi2"
[(set (match_operand:HI 0 "register_operand" "=d")
(truncate:HI (match_operand:DI 1 "se_register_operand" "d")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"andi\\t%0,%1,0xffff"
[(set_attr "type" "darith")
(set_attr "mode" "HI")
(define_insn "truncdiqi2"
[(set (match_operand:QI 0 "register_operand" "=d")
(truncate:QI (match_operand:DI 1 "se_register_operand" "d")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"andi\\t%0,%1,0x00ff"
[(set_attr "type" "darith")
(set_attr "mode" "QI")
[(set (match_operand:SI 0 "register_operand" "=d")
(truncate:SI (ashiftrt:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "small_int" "I"))))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"*
{
int shift_amt = INTVAL (operands[2]) & 0x3f;
[(set (match_operand:SI 0 "register_operand" "=d")
(truncate:SI (lshiftrt:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "small_int" "I"))))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"*
{
int shift_amt = INTVAL (operands[2]) & 0x3f;
if (shift_amt < 32)
{
operands[2] = GEN_INT (32 + shift_amt);
+ if (TARGET_MIPS16)
+ return \"dsll\\t%0,%1,%2\;dsra\\t%0,32\";
return \"dsll\\t%0,%1,%2\;dsra\\t%0,%0,32\";
}
else
[(set (match_operand:SI 0 "register_operand" "=d")
(zero_extend:SI (truncate:HI
(match_operand:DI 1 "se_register_operand" "d"))))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"andi\\t%0,%1,0xffff"
[(set_attr "type" "darith")
(set_attr "mode" "SI")
[(set (match_operand:SI 0 "register_operand" "=d")
(zero_extend:SI (truncate:QI
(match_operand:DI 1 "se_register_operand" "d"))))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"andi\\t%0,%1,0xff"
[(set_attr "type" "darith")
(set_attr "mode" "SI")
[(set (match_operand:HI 0 "register_operand" "=d")
(zero_extend:HI (truncate:QI
(match_operand:DI 1 "se_register_operand" "d"))))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"andi\\t%0,%1,0xff"
[(set_attr "type" "darith")
(set_attr "mode" "HI")
(set_attr "mode" "DI")
(set_attr "length" "1,2")])
-(define_insn "zero_extendhisi2"
+(define_expand "zero_extendhisi2"
+ [(set (match_operand:SI 0 "register_operand" "")
+ (zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "")))]
+ ""
+ "
+{
+ if (TARGET_MIPS16 && GET_CODE (operands[1]) != MEM)
+ {
+ rtx op = gen_lowpart (SImode, operands[1]);
+ rtx temp = force_reg (SImode, GEN_INT (0xffff));
+
+ emit_insn (gen_andsi3 (operands[0], op, temp));
+ DONE;
+ }
+}")
+
+(define_insn ""
[(set (match_operand:SI 0 "register_operand" "=d,d,d")
(zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "d,R,m")))]
- ""
+ "!TARGET_MIPS16"
"*
{
if (which_alternative == 0)
(set_attr "mode" "SI")
(set_attr "length" "1,1,2")])
-(define_insn "zero_extendhidi2"
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d,d")
+ (zero_extend:SI (match_operand:HI 1 "memory_operand" "R,m")))]
+ "TARGET_MIPS16"
+ "* return mips_move_1word (operands, insn, TRUE);"
+ [(set_attr "type" "load,load")
+ (set_attr "mode" "SI")
+ (set_attr "length" "1,2")])
+
+(define_expand "zero_extendhidi2"
+ [(set (match_operand:DI 0 "register_operand" "")
+ (zero_extend:DI (match_operand:HI 1 "nonimmediate_operand" "")))]
+ "TARGET_64BIT"
+ "
+{
+ if (TARGET_MIPS16 && GET_CODE (operands[1]) != MEM)
+ {
+ rtx op = gen_lowpart (DImode, operands[1]);
+ rtx temp = force_reg (DImode, GEN_INT (0xffff));
+
+ emit_insn (gen_anddi3 (operands[0], op, temp));
+ DONE;
+ }
+}")
+
+(define_insn ""
[(set (match_operand:DI 0 "register_operand" "=d,d,d")
(zero_extend:DI (match_operand:HI 1 "nonimmediate_operand" "d,R,m")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"*
{
if (which_alternative == 0)
(set_attr "mode" "DI")
(set_attr "length" "1,1,2")])
-(define_insn "zero_extendqihi2"
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d,d")
+ (zero_extend:DI (match_operand:HI 1 "memory_operand" "R,m")))]
+ "TARGET_64BIT && TARGET_MIPS16"
+ "* return mips_move_1word (operands, insn, TRUE);"
+ [(set_attr "type" "load,load")
+ (set_attr "mode" "DI")
+ (set_attr "length" "1,2")])
+
+(define_expand "zero_extendqihi2"
+ [(set (match_operand:HI 0 "register_operand" "")
+ (zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "")))]
+ ""
+ "
+{
+ if (TARGET_MIPS16 && GET_CODE (operands[1]) != MEM)
+ {
+ rtx op0 = gen_lowpart (SImode, operands[0]);
+ rtx op1 = gen_lowpart (SImode, operands[1]);
+ rtx temp = force_reg (SImode, GEN_INT (0xff));
+
+ emit_insn (gen_andsi3 (op0, op1, temp));
+ DONE;
+ }
+}")
+
+(define_insn ""
[(set (match_operand:HI 0 "register_operand" "=d,d,d")
(zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "d,R,m")))]
- ""
+ "!TARGET_MIPS16"
"*
{
if (which_alternative == 0)
(set_attr "mode" "HI")
(set_attr "length" "1,1,2")])
-(define_insn "zero_extendqisi2"
- [(set (match_operand:SI 0 "register_operand" "=d,d,d")
- (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "d,R,m")))]
+(define_insn ""
+ [(set (match_operand:HI 0 "register_operand" "=d,d")
+ (zero_extend:HI (match_operand:QI 1 "memory_operand" "R,m")))]
+ "TARGET_MIPS16"
+ "* return mips_move_1word (operands, insn, TRUE);"
+ [(set_attr "type" "load,load")
+ (set_attr "mode" "HI")
+ (set_attr "length" "1,2")])
+
+(define_expand "zero_extendqisi2"
+ [(set (match_operand:SI 0 "register_operand" "")
+ (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "")))]
""
- "*
+ "
{
- if (which_alternative == 0)
- return \"andi\\t%0,%1,0x00ff\";
- else
- return mips_move_1word (operands, insn, TRUE);
+ if (TARGET_MIPS16 && GET_CODE (operands[1]) != MEM)
+ {
+ rtx op = gen_lowpart (SImode, operands[1]);
+ rtx temp = force_reg (SImode, GEN_INT (0xff));
+
+ emit_insn (gen_andsi3 (operands[0], op, temp));
+ DONE;
+ }
+}")
+
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d,d,d")
+ (zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "d,R,m")))]
+ "!TARGET_MIPS16"
+ "*
+{
+ if (which_alternative == 0)
+ return \"andi\\t%0,%1,0x00ff\";
+ else
+ return mips_move_1word (operands, insn, TRUE);
}"
[(set_attr "type" "arith,load,load")
(set_attr "mode" "SI")
(set_attr "length" "1,1,2")])
-(define_insn "zero_extendqidi2"
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=d,d")
+ (zero_extend:SI (match_operand:QI 1 "memory_operand" "R,m")))]
+ "TARGET_MIPS16"
+ "* return mips_move_1word (operands, insn, TRUE);"
+ [(set_attr "type" "load,load")
+ (set_attr "mode" "SI")
+ (set_attr "length" "1,2")])
+
+(define_expand "zero_extendqidi2"
+ [(set (match_operand:DI 0 "register_operand" "")
+ (zero_extend:DI (match_operand:QI 1 "nonimmediate_operand" "")))]
+ "TARGET_64BIT"
+ "
+{
+ if (TARGET_MIPS16 && GET_CODE (operands[1]) != MEM)
+ {
+ rtx op = gen_lowpart (DImode, operands[1]);
+ rtx temp = force_reg (DImode, GEN_INT (0xff));
+
+ emit_insn (gen_anddi3 (operands[0], op, temp));
+ DONE;
+ }
+}")
+
+(define_insn ""
[(set (match_operand:DI 0 "register_operand" "=d,d,d")
(zero_extend:DI (match_operand:QI 1 "nonimmediate_operand" "d,R,m")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"*
{
if (which_alternative == 0)
(set_attr "mode" "DI")
(set_attr "length" "1,2")])
-(define_insn "*paradoxical_extendqidi2"
+(define_insn ""
[(set (match_operand:DI 0 "register_operand" "=d,d")
- (sign_extend:DI
- (subreg:SI (match_operand:QI 1 "memory_operand" "R,m") 0)))]
- "TARGET_64BIT"
- "*
-{
- return mips_move_1word (operands, insn, TRUE);
-}"
+ (zero_extend:DI (match_operand:QI 1 "memory_operand" "R,m")))]
+ "TARGET_64BIT && TARGET_MIPS16"
+ "* return mips_move_1word (operands, insn, TRUE);"
[(set_attr "type" "load,load")
(set_attr "mode" "DI")
(set_attr "length" "1,2")])
;; operand zero, because then the address in the move instruction will be
;; clobbered. We mark the scratch register as early clobbered to prevent this.
+;; We need the ?X in alternative 1 so that it will be choosen only if the
+;; destination is a floating point register. Otherwise, alternative 1 can
+;; have lower cost than alternative 0 (because there is one less loser), and
+;; can be choosen when it won't work (because integral reloads into FP
+;; registers are not supported).
+
(define_insn "fix_truncdfsi2"
- [(set (match_operand:SI 0 "general_operand" "=d,*f,R,o")
+ [(set (match_operand:SI 0 "general_operand" "=d,*f,R,To")
(fix:SI (match_operand:DF 1 "register_operand" "f,*f,f,f")))
(clobber (match_scratch:SI 2 "=d,*d,&d,&d"))
- (clobber (match_scratch:DF 3 "=f,*X,f,f"))]
+ (clobber (match_scratch:DF 3 "=f,?*X,f,f"))]
"TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT"
"*
{
(define_insn "fix_truncsfsi2"
- [(set (match_operand:SI 0 "general_operand" "=d,*f,R,o")
+ [(set (match_operand:SI 0 "general_operand" "=d,*f,R,To")
(fix:SI (match_operand:SF 1 "register_operand" "f,*f,f,f")))
(clobber (match_scratch:SI 2 "=d,*d,&d,&d"))
- (clobber (match_scratch:SF 3 "=f,*X,f,f"))]
+ (clobber (match_scratch:SF 3 "=f,?*X,f,f"))]
"TARGET_HARD_FLOAT"
"*
{
;;; If this is disabled, then fixuns_truncdfdi2 must be disabled also.
(define_insn "fix_truncdfdi2"
- [(set (match_operand:DI 0 "general_operand" "=d,*f,R,o")
+ [(set (match_operand:DI 0 "general_operand" "=d,*f,R,To")
(fix:DI (match_operand:DF 1 "register_operand" "f,*f,f,f")))
- (clobber (match_scratch:DF 2 "=f,*X,f,f"))]
+ (clobber (match_scratch:DF 2 "=f,?*X,f,f"))]
"TARGET_HARD_FLOAT && TARGET_64BIT && TARGET_DOUBLE_FLOAT"
"*
{
;;; but not in the chapter that describes the FPU. It is not mentioned at all
;;; in the 1991 manuals. The r4000 at Cygnus does not have this instruction.
(define_insn "fix_truncsfdi2"
- [(set (match_operand:DI 0 "general_operand" "=d,*f,R,o")
+ [(set (match_operand:DI 0 "general_operand" "=d,*f,R,To")
(fix:DI (match_operand:SF 1 "register_operand" "f,*f,f,f")))
- (clobber (match_scratch:DF 2 "=f,*X,f,f"))]
+ (clobber (match_scratch:DF 2 "=f,?*X,f,f"))]
"TARGET_HARD_FLOAT && TARGET_64BIT && TARGET_DOUBLE_FLOAT"
"*
{
(sign_extract:SI (match_operand:QI 1 "memory_operand" "")
(match_operand:SI 2 "immediate_operand" "")
(match_operand:SI 3 "immediate_operand" "")))]
- ""
+ "!TARGET_MIPS16"
"
{
/* If this isn't a 32 bit field, and it doesn't start on a byte boundary
if (GET_CODE (operands[1]) != MEM)
FAIL;
+ /* Change the mode to BLKmode for aliasing purposes. */
+ operands[1] = change_address (operands[1], BLKmode, XEXP (operands[1], 0));
+
/* Otherwise, emit a lwl/lwr pair to load the value. */
emit_insn (gen_movsi_ulw (operands[0], operands[1]));
DONE;
(zero_extract:SI (match_operand:QI 1 "memory_operand" "")
(match_operand:SI 2 "immediate_operand" "")
(match_operand:SI 3 "immediate_operand" "")))]
- ""
+ "!TARGET_MIPS16"
"
{
/* If this isn't a 32 bit field, and it doesn't start on a byte boundary
if (GET_CODE (operands[1]) != MEM)
FAIL;
+ /* Change the mode to BLKmode for aliasing purposes. */
+ operands[1] = change_address (operands[1], BLKmode, XEXP (operands[1], 0));
+
/* Otherwise, emit a lwl/lwr pair to load the value. */
emit_insn (gen_movsi_ulw (operands[0], operands[1]));
DONE;
(match_operand:SI 1 "immediate_operand" "")
(match_operand:SI 2 "immediate_operand" ""))
(match_operand:SI 3 "register_operand" ""))]
- ""
+ "!TARGET_MIPS16"
"
{
/* If this isn't a 32 bit field, and it doesn't start on a byte boundary
if (GET_CODE (operands[0]) != MEM)
FAIL;
+ /* Change the mode to BLKmode for aliasing purposes. */
+ operands[0] = change_address (operands[0], BLKmode, XEXP (operands[0], 0));
+
/* Otherwise, emit a swl/swr pair to load the value. */
emit_insn (gen_movsi_usw (operands[0], operands[3]));
DONE;
(define_insn "movsi_ulw"
[(set (match_operand:SI 0 "register_operand" "=&d,&d")
- (unspec [(match_operand:QI 1 "general_operand" "R,o")] 0))]
- ""
+ (unspec:SI [(match_operand:BLK 1 "general_operand" "R,o")] 0))]
+ "!TARGET_MIPS16"
"*
{
rtx offset = const0_rtx;
(set_attr "length" "2,4")])
(define_insn "movsi_usw"
- [(set (match_operand:QI 0 "memory_operand" "=R,o")
- (unspec [(match_operand:SI 1 "reg_or_0_operand" "dJ,dJ")] 1))]
- ""
+ [(set (match_operand:BLK 0 "memory_operand" "=R,o")
+ (unspec:BLK [(match_operand:SI 1 "reg_or_0_operand" "dJ,dJ")] 1))]
+ "!TARGET_MIPS16"
"*
{
rtx offset = const0_rtx;
(define_insn "high"
[(set (match_operand:SI 0 "register_operand" "=r")
(high:SI (match_operand:SI 1 "immediate_operand" "")))]
- "mips_split_addresses"
+ "mips_split_addresses && !TARGET_MIPS16"
"lui\\t%0,%%hi(%1) # high"
[(set_attr "type" "move")
(set_attr "length" "1")])
[(set (match_operand:SI 0 "register_operand" "=r")
(lo_sum:SI (match_operand:SI 1 "register_operand" "r")
(match_operand:SI 2 "immediate_operand" "")))]
- "mips_split_addresses"
+ "mips_split_addresses && !TARGET_MIPS16"
"addiu\\t%0,%1,%%lo(%2) # low"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
DONE;
}
+ /* On the mips16, we can handle a GP relative reference by adding in
+ $gp. We need to check the name to see whether this is a string
+ constant. */
+ if (TARGET_MIPS16
+ && register_operand (operands[0], DImode)
+ && GET_CODE (operands[1]) == SYMBOL_REF
+ && SYMBOL_REF_FLAG (operands[1]))
+ {
+ char *name = XSTR (operands[1], 0);
+
+ if (name[0] != '*'
+ || strncmp (name + 1, LOCAL_LABEL_PREFIX,
+ sizeof LOCAL_LABEL_PREFIX - 1) != 0)
+ {
+ rtx base_reg;
+
+ if (reload_in_progress || reload_completed)
+ {
+ /* In movsi we use the constant table here. However, in
+ this case, we're better off copying $28 into a
+ register and adding, because the constant table entry
+ would be 8 bytes. */
+ base_reg = operands[0];
+ emit_move_insn (base_reg,
+ gen_rtx (CONST, DImode,
+ gen_rtx (REG, DImode,
+ GP_REG_FIRST + 28)));
+ }
+ else
+ {
+ base_reg = gen_reg_rtx (Pmode);
+ emit_move_insn (base_reg, mips16_gp_pseudo_reg ());
+ }
+
+ emit_move_insn (operands[0],
+ gen_rtx (PLUS, SImode, base_reg,
+ mips16_gp_offset (operands[1])));
+ DONE;
+ }
+ }
+
if ((reload_in_progress | reload_completed) == 0
&& !register_operand (operands[0], DImode)
&& !register_operand (operands[1], DImode)
- && (GET_CODE (operands[1]) != CONST_INT || INTVAL (operands[1]) != 0)
- && operands[1] != CONST0_RTX (DImode))
+ && (TARGET_MIPS16
+ || (GET_CODE (operands[1]) != CONST_INT || INTVAL (operands[1]) != 0)
+ && operands[1] != CONST0_RTX (DImode)))
{
rtx temp = force_reg (DImode, operands[1]);
emit_move_insn (operands[0], temp);
}
}")
+;; For mips16, we need a special case to handle storing $31 into
+;; memory, since we don't have a constraint to match $31. This
+;; instruction can be generated by save_restore_insns.
+
+(define_insn ""
+ [(set (match_operand:DI 0 "memory_operand" "R,m")
+ (reg:DI 31))]
+ "TARGET_MIPS16 && TARGET_64BIT"
+ "*
+{
+ operands[1] = gen_rtx (REG, DImode, 31);
+ return mips_move_2words (operands, insn);
+}"
+ [(set_attr "type" "store")
+ (set_attr "mode" "DI")
+ (set_attr "length" "1,2")])
+
(define_insn "movdi_internal"
[(set (match_operand:DI 0 "nonimmediate_operand" "=d,d,d,d,R,o,*x,*d,*x")
(match_operand:DI 1 "general_operand" "d,iF,R,o,d,d,J,*x,*d"))]
- "!TARGET_64BIT
+ "!TARGET_64BIT && !TARGET_MIPS16
&& (register_operand (operands[0], DImode)
|| register_operand (operands[1], DImode)
|| (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0)
(set_attr "mode" "DI")
(set_attr "length" "2,4,2,4,2,4,2,2,2")])
+(define_insn ""
+ [(set (match_operand:DI 0 "nonimmediate_operand" "=d,y,d,d,d,d,d,R,To,*d")
+ (match_operand:DI 1 "general_operand" "d,d,y,K,N,R,To,d,d,*x"))]
+ "!TARGET_64BIT && TARGET_MIPS16
+ && (register_operand (operands[0], DImode)
+ || register_operand (operands[1], DImode))"
+ "* return mips_move_2words (operands, insn);"
+ [(set_attr "type" "move,move,move,arith,arith,load,load,store,store,hilo")
+ (set_attr "mode" "DI")
+ (set_attr "length" "2,2,2,2,3,2,4,2,4,2")])
+
(define_split
[(set (match_operand:DI 0 "register_operand" "")
(match_operand:DI 1 "register_operand" ""))]
(define_insn "movdi_internal2"
[(set (match_operand:DI 0 "nonimmediate_operand" "=d,d,d,d,d,d,R,m,*x,*d,*x,*a")
(match_operand:DI 1 "movdi_operand" "d,S,IKL,Mnis,R,m,dJ,dJ,J,*x,*d,*J"))]
- "TARGET_64BIT
+ "TARGET_64BIT && !TARGET_MIPS16
&& (register_operand (operands[0], DImode)
|| se_register_operand (operands[1], DImode)
|| (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0)
(set_attr "mode" "DI")
(set_attr "length" "1,2,1,2,1,2,1,2,1,1,1,2")])
+(define_insn ""
+ [(set (match_operand:DI 0 "nonimmediate_operand" "=d,y,d,d,d,d,d,d,R,m,*d")
+ (match_operand:DI 1 "movdi_operand" "d,d,y,K,N,s,R,m,d,d,*x"))]
+ "TARGET_64BIT && TARGET_MIPS16
+ && (register_operand (operands[0], DImode)
+ || se_register_operand (operands[1], DImode))"
+ "* return mips_move_2words (operands, insn);"
+ [(set_attr "type" "move,move,move,arith,arith,arith,load,load,store,store,hilo")
+ (set_attr "mode" "DI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (const_int 1)
+ (const_int 1)
+ (if_then_else (match_operand:VOID 1 "m16_uimm8_1" "")
+ (const_int 1)
+ (const_int 2))
+ (if_then_else (match_operand:VOID 1 "m16_nuimm8_1" "")
+ (const_int 2)
+ (const_int 3))
+ (if_then_else (match_operand:VOID 1 "m16_usym5_4" "")
+ (const_int 1)
+ (const_int 2))
+ (const_int 1)
+ (const_int 2)
+ (const_int 1)
+ (const_int 2)
+ (const_int 1)])])
+
+;; On the mips16, we can split ld $r,N($r) into an add and a load,
+;; when the original load is a 4 byte instruction but the add and the
+;; load are 2 2 byte instructions.
+
+(define_split
+ [(set (match_operand:DI 0 "register_operand" "")
+ (mem:DI (plus:DI (match_dup 0)
+ (match_operand:DI 1 "const_int_operand" ""))))]
+ "TARGET_64BIT && TARGET_MIPS16 && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == CONST_INT
+ && ((INTVAL (operands[1]) < 0
+ && INTVAL (operands[1]) >= -0x10)
+ || (INTVAL (operands[1]) >= 32 * 8
+ && INTVAL (operands[1]) <= 31 * 8 + 0x8)
+ || (INTVAL (operands[1]) >= 0
+ && INTVAL (operands[1]) < 32 * 8
+ && (INTVAL (operands[1]) & 7) != 0))"
+ [(set (match_dup 0) (plus:DI (match_dup 0) (match_dup 1)))
+ (set (match_dup 0) (mem:DI (plus:DI (match_dup 0) (match_dup 2))))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[1]);
+
+ if (val < 0)
+ operands[2] = GEN_INT (0);
+ else if (val >= 32 * 8)
+ {
+ int off = val & 7;
+
+ operands[1] = GEN_INT (0x8 + off);
+ operands[2] = GEN_INT (val - off - 0x8);
+ }
+ else
+ {
+ int off = val & 7;
+
+ operands[1] = GEN_INT (off);
+ operands[2] = GEN_INT (val - off);
+ }
+}")
+
;; Handle input reloads in DImode.
;; This is mainly to handle reloading HILO_REGNUM. Note that we may
;; see it as the source or the destination, depending upon which way
(define_split
[(set (match_operand:SI 0 "register_operand" "")
(match_operand:SI 1 "large_int" ""))]
- "!TARGET_DEBUG_D_MODE"
+ "!TARGET_DEBUG_D_MODE && !TARGET_MIPS16"
[(set (match_dup 0)
(match_dup 2))
(set (match_dup 0)
DONE;
}
+ /* On the mips16, we can handle a GP relative reference by adding in
+ $gp. We need to check the name to see whether this is a string
+ constant. */
+ if (TARGET_MIPS16
+ && register_operand (operands[0], SImode)
+ && GET_CODE (operands[1]) == SYMBOL_REF
+ && SYMBOL_REF_FLAG (operands[1]))
+ {
+ char *name = XSTR (operands[1], 0);
+
+ if (name[0] != '*'
+ || strncmp (name + 1, LOCAL_LABEL_PREFIX,
+ sizeof LOCAL_LABEL_PREFIX - 1) != 0)
+ {
+ rtx base_reg;
+
+ if (reload_in_progress || reload_completed)
+ {
+ /* We need to reload this address. In this case we
+ aren't going to have a chance to combine loading the
+ address with the load or store. That means that we
+ can either generate a 2 byte move followed by a 4
+ byte addition, or a 2 byte load with a 4 byte entry
+ in the constant table. Since the entry in the
+ constant table might be shared, we're better off, on
+ average, loading the address from the constant table. */
+ emit_move_insn (operands[0],
+ force_const_mem (SImode, operands[1]));
+ DONE;
+ }
+
+ base_reg = gen_reg_rtx (Pmode);
+ emit_move_insn (base_reg, mips16_gp_pseudo_reg ());
+
+ emit_move_insn (operands[0],
+ gen_rtx (PLUS, SImode, base_reg,
+ mips16_gp_offset (operands[1])));
+ DONE;
+ }
+ }
+
if ((reload_in_progress | reload_completed) == 0
&& !register_operand (operands[0], SImode)
&& !register_operand (operands[1], SImode)
- && (GET_CODE (operands[1]) != CONST_INT || INTVAL (operands[1]) != 0))
+ && (TARGET_MIPS16
+ || GET_CODE (operands[1]) != CONST_INT
+ || INTVAL (operands[1]) != 0))
{
rtx temp = force_reg (SImode, operands[1]);
emit_move_insn (operands[0], temp);
}
}")
+;; For mips16, we need a special case to handle storing $31 into
+;; memory, since we don't have a constraint to match $31. This
+;; instruction can be generated by save_restore_insns.
+
+(define_insn ""
+ [(set (match_operand:SI 0 "memory_operand" "R,m")
+ (reg:SI 31))]
+ "TARGET_MIPS16"
+ "*
+{
+ operands[1] = gen_rtx (REG, SImode, 31);
+ return mips_move_1word (operands, insn, FALSE);
+}"
+ [(set_attr "type" "store")
+ (set_attr "mode" "SI")
+ (set_attr "length" "1,2")])
+
;; The difference between these two is whether or not ints are allowed
;; in FP registers (off by default, use -mdebugh to enable).
(define_insn "movsi_internal1"
[(set (match_operand:SI 0 "nonimmediate_operand" "=d,d,d,d,d,d,R,m,*d,*f*z,*f,*f,*f,*R,*m,*x,*x,*d,*d")
(match_operand:SI 1 "move_operand" "d,S,IKL,Mnis,R,m,dJ,dJ,*f*z,*d,*f,*R,*m,*f,*f,J,*d,*x,*a"))]
- "TARGET_DEBUG_H_MODE
+ "TARGET_DEBUG_H_MODE && !TARGET_MIPS16
&& (register_operand (operands[0], SImode)
|| register_operand (operands[1], SImode)
|| (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0))"
(define_insn "movsi_internal2"
[(set (match_operand:SI 0 "nonimmediate_operand" "=d,d,d,d,d,d,R,m,*d,*z,*x,*d,*x,*d")
(match_operand:SI 1 "move_operand" "d,S,IKL,Mnis,R,m,dJ,dJ,*z,*d,J,*x,*d,*a"))]
- "!TARGET_DEBUG_H_MODE
+ "!TARGET_DEBUG_H_MODE && !TARGET_MIPS16
&& (register_operand (operands[0], SImode)
|| register_operand (operands[1], SImode)
|| (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0))"
(set_attr "mode" "SI")
(set_attr "length" "1,2,1,2,1,2,1,2,1,1,1,1,1,1")])
+;; This is the mips16 movsi instruction. We accept a small integer as
+;; the source if the destination is a GP memory reference. This is
+;; because we want the combine pass to turn adding a GP reference to a
+;; register into a direct GP reference, but the combine pass will pass
+;; in the source as a constant if it finds an equivalent one. If the
+;; instruction is recognized, reload will force the constant back out
+;; into a register.
+
+(define_insn ""
+ [(set (match_operand:SI 0 "nonimmediate_operand" "=d,y,d,d,d,d,d,d,d,R,m,*d,*d")
+ (match_operand:SI 1 "move_operand" "d,d,y,S,K,N,s,R,m,d,d,*x,*a"))]
+ "TARGET_MIPS16
+ && (register_operand (operands[0], SImode)
+ || register_operand (operands[1], SImode)
+ || (GET_CODE (operands[0]) == MEM
+ && GET_CODE (XEXP (operands[0], 0)) == PLUS
+ && GET_CODE (XEXP (XEXP (operands[0], 0), 1)) == CONST
+ && mips16_gp_offset_p (XEXP (XEXP (operands[0], 0), 1))
+ && GET_CODE (operands[1]) == CONST_INT
+ && (SMALL_INT (operands[1])
+ || SMALL_INT_UNSIGNED (operands[1]))))"
+ "* return mips_move_1word (operands, insn, FALSE);"
+ [(set_attr "type" "move,move,move,load,arith,arith,arith,load,load,store,store,hilo,hilo")
+ (set_attr "mode" "SI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (const_int 1)
+ (const_int 1)
+ (const_int 2)
+ (if_then_else (match_operand:VOID 1 "m16_uimm8_1" "")
+ (const_int 1)
+ (const_int 2))
+ (if_then_else (match_operand:VOID 1 "m16_nuimm8_1" "")
+ (const_int 2)
+ (const_int 3))
+ (if_then_else (match_operand:VOID 1 "m16_usym8_4" "")
+ (const_int 1)
+ (const_int 2))
+ (const_int 1)
+ (const_int 2)
+ (const_int 1)
+ (const_int 2)
+ (const_int 1)
+ (const_int 1)])])
+
+;; On the mips16, we can split lw $r,N($r) into an add and a load,
+;; when the original load is a 4 byte instruction but the add and the
+;; load are 2 2 byte instructions.
+
+(define_split
+ [(set (match_operand:SI 0 "register_operand" "")
+ (mem:SI (plus:SI (match_dup 0)
+ (match_operand:SI 1 "const_int_operand" ""))))]
+ "TARGET_MIPS16 && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == CONST_INT
+ && ((INTVAL (operands[1]) < 0
+ && INTVAL (operands[1]) >= -0x80)
+ || (INTVAL (operands[1]) >= 32 * 4
+ && INTVAL (operands[1]) <= 31 * 4 + 0x7c)
+ || (INTVAL (operands[1]) >= 0
+ && INTVAL (operands[1]) < 32 * 4
+ && (INTVAL (operands[1]) & 3) != 0))"
+ [(set (match_dup 0) (plus:SI (match_dup 0) (match_dup 1)))
+ (set (match_dup 0) (mem:SI (plus:SI (match_dup 0) (match_dup 2))))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[1]);
+
+ if (val < 0)
+ operands[2] = GEN_INT (0);
+ else if (val >= 32 * 4)
+ {
+ int off = val & 3;
+
+ operands[1] = GEN_INT (0x7c + off);
+ operands[2] = GEN_INT (val - off - 0x7c);
+ }
+ else
+ {
+ int off = val & 3;
+
+ operands[1] = GEN_INT (off);
+ operands[2] = GEN_INT (val - off);
+ }
+}")
+
+;; On the mips16, we can split a load of certain constants into a load
+;; and an add. This turns a 4 byte instruction into 2 2 byte
+;; instructions.
+
+(define_split
+ [(set (match_operand:SI 0 "register_operand" "")
+ (match_operand:SI 1 "const_int_operand" ""))]
+ "TARGET_MIPS16 && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == CONST_INT
+ && INTVAL (operands[1]) >= 0x100
+ && INTVAL (operands[1]) <= 0xff + 0x7f"
+ [(set (match_dup 0) (match_dup 1))
+ (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 2)))]
+ "
+{
+ int val = INTVAL (operands[1]);
+
+ operands[1] = GEN_INT (0xff);
+ operands[2] = GEN_INT (val - 0xff);
+}")
+
+;; On the mips16, we can split a load of a negative constant into a
+;; load and a neg. That's what mips_move_1word will generate anyhow.
+
+(define_split
+ [(set (match_operand:SI 0 "register_operand" "")
+ (match_operand:SI 1 "const_int_operand" ""))]
+ "TARGET_MIPS16 && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == CONST_INT
+ && INTVAL (operands[1]) < 0
+ && INTVAL (operands[1]) > - 0x8000"
+ [(set (match_dup 0) (match_dup 1))
+ (set (match_dup 0) (neg:SI (match_dup 0)))]
+ "
+{
+ operands[1] = GEN_INT (- INTVAL (operands[1]));
+}")
+
;; Reload HILO_REGNUM in SI mode. This needs a scratch register in
;; order to set the sign bit correctly in the HI register.
(define_expand "reload_outsi"
[(set (match_operand:SI 0 "general_operand" "=b")
- (match_operand:SI 1 "register_operand" "d"))
+ (match_operand:SI 1 "register_operand" "b"))
(clobber (match_operand:SI 2 "register_operand" "=&d"))]
- "TARGET_64BIT"
+ "TARGET_64BIT || TARGET_MIPS16"
"
{
- if (GET_CODE (operands[0]) == REG && REGNO (operands[0]) == HILO_REGNUM)
+ if (TARGET_64BIT
+ && GET_CODE (operands[0]) == REG && REGNO (operands[0]) == HILO_REGNUM)
{
emit_insn (gen_movsi (gen_rtx (REG, SImode, 65), operands[1]));
emit_insn (gen_ashrsi3 (operands[2], operands[1], GEN_INT (31)));
emit_insn (gen_movsi (gen_rtx (REG, SImode, 64), operands[2]));
DONE;
}
+ /* Use a mult to reload LO on mips16. ??? This is hideous. */
+ if (TARGET_MIPS16
+ && GET_CODE (operands[0]) == REG && REGNO (operands[0]) == LO_REGNUM)
+ {
+ emit_insn (gen_movsi (operands[2], GEN_INT (1)));
+ /* This is gen_mulsi3_internal, but we need to fill in the
+ scratch registers. */
+ emit_insn (gen_rtx (PARALLEL, VOIDmode,
+ gen_rtvec (3,
+ gen_rtx (SET, VOIDmode,
+ operands[0],
+ gen_rtx (MULT, SImode,
+ operands[1],
+ operands[2])),
+ gen_rtx (CLOBBER, VOIDmode,
+ gen_rtx (REG, SImode, 64)),
+ gen_rtx (CLOBBER, VOIDmode,
+ gen_rtx (REG, SImode, 66)))));
+ DONE;
+ }
+ /* FIXME: I don't know how to get a value into the HI register. */
+ if (GET_CODE (operands[0]) == REG && GP_REG_P (operands[0]))
+ {
+ emit_move_insn (operands[0], operands[1]);
+ DONE;
+ }
/* This handles moves between a float register and HI/LO. */
emit_move_insn (operands[2], operands[1]);
emit_move_insn (operands[0], operands[2]);
DONE;
}")
+;; Reload a value into HI or LO. There is no mthi or mtlo on mips16,
+;; so we use a mult. ??? This is hideous, and we ought to figure out
+;; something better.
+
+(define_expand "reload_insi"
+ [(set (match_operand:SI 0 "register_operand" "=b")
+ (match_operand:SI 1 "register_operand" "b"))
+ (clobber (match_operand:SI 2 "register_operand" "=&d"))]
+ "TARGET_MIPS16"
+ "
+{
+ if (TARGET_MIPS16
+ && GET_CODE (operands[0]) == REG && REGNO (operands[0]) == LO_REGNUM)
+ {
+ emit_insn (gen_movsi (operands[2], GEN_INT (1)));
+ /* This is gen_mulsi3_internal, but we need to fill in the
+ scratch registers. */
+ emit_insn (gen_rtx (PARALLEL, VOIDmode,
+ gen_rtvec (3,
+ gen_rtx (SET, VOIDmode,
+ operands[0],
+ gen_rtx (MULT, SImode,
+ operands[1],
+ operands[2])),
+ gen_rtx (CLOBBER, VOIDmode,
+ gen_rtx (REG, SImode, 64)),
+ gen_rtx (CLOBBER, VOIDmode,
+ gen_rtx (REG, SImode, 66)))));
+ DONE;
+ }
+ /* FIXME: I don't know how to get a value into the HI register. */
+ emit_move_insn (operands[0], operands[1]);
+ DONE;
+}")
+
;; This insn handles moving CCmode values. It's really just a
;; slightly simplified copy of movsi_internal2, with additional cases
;; to move a condition register to a general register and to move
if ((reload_in_progress | reload_completed) == 0
&& !register_operand (operands[0], HImode)
&& !register_operand (operands[1], HImode)
- && (GET_CODE (operands[1]) != CONST_INT || INTVAL (operands[1]) != 0))
+ && (TARGET_MIPS16
+ || (GET_CODE (operands[1]) != CONST_INT
+ || INTVAL (operands[1]) != 0)))
{
rtx temp = force_reg (HImode, operands[1]);
emit_move_insn (operands[0], temp);
(define_insn "movhi_internal1"
[(set (match_operand:HI 0 "nonimmediate_operand" "=d,d,d,d,R,m,*d,*f,*f*z,*x,*d")
(match_operand:HI 1 "general_operand" "d,IK,R,m,dJ,dJ,*f*z,*d,*f,*d,*x"))]
- "TARGET_DEBUG_H_MODE
+ "TARGET_DEBUG_H_MODE && !TARGET_MIPS16
&& (register_operand (operands[0], HImode)
|| register_operand (operands[1], HImode)
|| (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0))"
(define_insn "movhi_internal2"
[(set (match_operand:HI 0 "nonimmediate_operand" "=d,d,d,d,R,m,*d,*z,*x,*d")
(match_operand:HI 1 "general_operand" "d,IK,R,m,dJ,dJ,*z,*d,*d,*x"))]
- "!TARGET_DEBUG_H_MODE
+ "!TARGET_DEBUG_H_MODE && !TARGET_MIPS16
&& (register_operand (operands[0], HImode)
|| register_operand (operands[1], HImode)
|| (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0))"
(set_attr "mode" "HI")
(set_attr "length" "1,1,1,2,1,2,1,1,1,1")])
+(define_insn ""
+ [(set (match_operand:HI 0 "nonimmediate_operand" "=d,y,d,d,d,d,d,R,m,*d")
+ (match_operand:HI 1 "general_operand" "d,d,y,K,N,R,m,d,d,*x"))]
+ "TARGET_MIPS16
+ && (register_operand (operands[0], HImode)
+ || register_operand (operands[1], HImode))"
+ "* return mips_move_1word (operands, insn, TRUE);"
+ [(set_attr "type" "move,move,move,arith,arith,load,load,store,store,hilo")
+ (set_attr "mode" "HI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (const_int 1)
+ (const_int 1)
+ (if_then_else (match_operand:VOID 1 "m16_uimm8_1" "")
+ (const_int 1)
+ (const_int 2))
+ (if_then_else (match_operand:VOID 1 "m16_nuimm8_1" "")
+ (const_int 2)
+ (const_int 3))
+ (const_int 1)
+ (const_int 2)
+ (const_int 1)
+ (const_int 2)
+ (const_int 1)])])
+
+
+;; On the mips16, we can split lh $r,N($r) into an add and a load,
+;; when the original load is a 4 byte instruction but the add and the
+;; load are 2 2 byte instructions.
+
+(define_split
+ [(set (match_operand:HI 0 "register_operand" "")
+ (mem:SI (plus:SI (match_dup 0)
+ (match_operand:SI 1 "const_int_operand" ""))))]
+ "TARGET_MIPS16 && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == CONST_INT
+ && ((INTVAL (operands[1]) < 0
+ && INTVAL (operands[1]) >= -0x80)
+ || (INTVAL (operands[1]) >= 32 * 2
+ && INTVAL (operands[1]) <= 31 * 2 + 0x7e)
+ || (INTVAL (operands[1]) >= 0
+ && INTVAL (operands[1]) < 32 * 2
+ && (INTVAL (operands[1]) & 1) != 0))"
+ [(set (match_dup 0) (plus:SI (match_dup 0) (match_dup 1)))
+ (set (match_dup 0) (mem:HI (plus:SI (match_dup 0) (match_dup 2))))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[1]);
+
+ if (val < 0)
+ operands[2] = GEN_INT (0);
+ else if (val >= 32 * 2)
+ {
+ int off = val & 1;
+
+ operands[1] = GEN_INT (0x7e + off);
+ operands[2] = GEN_INT (val - off - 0x7e);
+ }
+ else
+ {
+ int off = val & 1;
+
+ operands[1] = GEN_INT (off);
+ operands[2] = GEN_INT (val - off);
+ }
+}")
;; 8-bit Integer moves
if ((reload_in_progress | reload_completed) == 0
&& !register_operand (operands[0], QImode)
&& !register_operand (operands[1], QImode)
- && (GET_CODE (operands[1]) != CONST_INT || INTVAL (operands[1]) != 0))
+ && (TARGET_MIPS16
+ || (GET_CODE (operands[1]) != CONST_INT
+ || INTVAL (operands[1]) != 0)))
{
rtx temp = force_reg (QImode, operands[1]);
emit_move_insn (operands[0], temp);
(define_insn "movqi_internal1"
[(set (match_operand:QI 0 "nonimmediate_operand" "=d,d,d,d,R,m,*d,*f*z,*f,*x,*d")
(match_operand:QI 1 "general_operand" "d,IK,R,m,dJ,dJ,*f*z,*d,*f,*d,*x"))]
- "TARGET_DEBUG_H_MODE
+ "TARGET_DEBUG_H_MODE && !TARGET_MIPS16
&& (register_operand (operands[0], QImode)
|| register_operand (operands[1], QImode)
|| (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0))"
(define_insn "movqi_internal2"
[(set (match_operand:QI 0 "nonimmediate_operand" "=d,d,d,d,R,m,*d,*z,*x,*d")
(match_operand:QI 1 "general_operand" "d,IK,R,m,dJ,dJ,*z,*d,*d,*x"))]
- "!TARGET_DEBUG_H_MODE
+ "!TARGET_DEBUG_H_MODE && !TARGET_MIPS16
&& (register_operand (operands[0], QImode)
|| register_operand (operands[1], QImode)
|| (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0))"
(set_attr "mode" "QI")
(set_attr "length" "1,1,1,2,1,2,1,1,1,1")])
+(define_insn ""
+ [(set (match_operand:QI 0 "nonimmediate_operand" "=d,y,d,d,d,d,d,R,m,*d")
+ (match_operand:QI 1 "general_operand" "d,d,y,K,N,R,m,d,d,*x"))]
+ "TARGET_MIPS16
+ && (register_operand (operands[0], QImode)
+ || register_operand (operands[1], QImode))"
+ "* return mips_move_1word (operands, insn, TRUE);"
+ [(set_attr "type" "move,move,move,arith,arith,load,load,store,store,hilo")
+ (set_attr "mode" "QI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (const_int 1)
+ (const_int 1)
+ (if_then_else (match_operand:VOID 1 "m16_uimm8_1" "")
+ (const_int 1)
+ (const_int 2))
+ (if_then_else (match_operand:VOID 1 "m16_nuimm8_1" "")
+ (const_int 2)
+ (const_int 3))
+ (const_int 1)
+ (const_int 2)
+ (const_int 1)
+ (const_int 2)
+ (const_int 1)])])
+
+
+;; On the mips16, we can split lb $r,N($r) into an add and a load,
+;; when the original load is a 4 byte instruction but the add and the
+;; load are 2 2 byte instructions.
+
+(define_split
+ [(set (match_operand:QI 0 "register_operand" "")
+ (mem:QI (plus:SI (match_dup 0)
+ (match_operand:SI 1 "const_int_operand" ""))))]
+ "TARGET_MIPS16 && reload_completed
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && GET_CODE (operands[1]) == CONST_INT
+ && ((INTVAL (operands[1]) < 0
+ && INTVAL (operands[1]) >= -0x80)
+ || (INTVAL (operands[1]) >= 32
+ && INTVAL (operands[1]) <= 31 + 0x7f))"
+ [(set (match_dup 0) (plus:SI (match_dup 0) (match_dup 1)))
+ (set (match_dup 0) (mem:QI (plus:SI (match_dup 0) (match_dup 2))))]
+ "
+{
+ HOST_WIDE_INT val = INTVAL (operands[1]);
+
+ if (val < 0)
+ operands[2] = GEN_INT (0);
+ else
+ {
+ operands[1] = GEN_INT (0x7f);
+ operands[2] = GEN_INT (val - 0x7f);
+ }
+}")
;; 32-bit floating point moves
if ((reload_in_progress | reload_completed) == 0
&& !register_operand (operands[0], SFmode)
&& !register_operand (operands[1], SFmode)
- && (GET_CODE (operands[1]) != CONST_INT || INTVAL (operands[1]) != 0)
- && operands[1] != CONST0_RTX (SFmode))
+ && (TARGET_MIPS16
+ || (GET_CODE (operands[1]) != CONST_INT || INTVAL (operands[1]) != 0)
+ && operands[1] != CONST0_RTX (SFmode)))
{
rtx temp = force_reg (SFmode, operands[1]);
emit_move_insn (operands[0], temp);
(define_insn "movsf_internal2"
[(set (match_operand:SF 0 "nonimmediate_operand" "=d,d,d,R,m")
(match_operand:SF 1 "general_operand" " Gd,R,Fm,d,d"))]
- "TARGET_SOFT_FLOAT
+ "TARGET_SOFT_FLOAT && !TARGET_MIPS16
&& (register_operand (operands[0], SFmode)
|| register_operand (operands[1], SFmode)
|| (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0)
(set_attr "mode" "SF")
(set_attr "length" "1,1,2,1,2")])
+(define_insn ""
+ [(set (match_operand:SF 0 "nonimmediate_operand" "=d,y,d,d,d,R,m")
+ (match_operand:SF 1 "general_operand" "d,d,y,R,Fm,d,d"))]
+ "TARGET_MIPS16
+ && (register_operand (operands[0], SFmode)
+ || register_operand (operands[1], SFmode))"
+ "* return mips_move_1word (operands, insn, FALSE);"
+ [(set_attr "type" "move,move,move,load,load,store,store")
+ (set_attr "mode" "SF")
+ (set_attr "length" "1,1,1,1,2,1,2")])
+
;; 64-bit floating point moves
if ((reload_in_progress | reload_completed) == 0
&& !register_operand (operands[0], DFmode)
&& !register_operand (operands[1], DFmode)
- && (GET_CODE (operands[1]) != CONST_INT || INTVAL (operands[1]) != 0)
- && operands[1] != CONST0_RTX (DFmode))
+ && (TARGET_MIPS16
+ || (GET_CODE (operands[1]) != CONST_INT || INTVAL (operands[1]) != 0)
+ && operands[1] != CONST0_RTX (DFmode)))
{
rtx temp = force_reg (DFmode, operands[1]);
emit_move_insn (operands[0], temp);
}")
(define_insn "movdf_internal1"
- [(set (match_operand:DF 0 "nonimmediate_operand" "=f,f,f,R,o,f,*f,*d,*d,*d,*d,*R,*o")
- (match_operand:DF 1 "general_operand" "f,R,o,fG,fG,F,*d,*f,*d*G,*R,*o*F,*d,*d"))]
+ [(set (match_operand:DF 0 "nonimmediate_operand" "=f,f,f,R,To,f,*f,*d,*d,*d,*d,*R,*T")
+ (match_operand:DF 1 "general_operand" "f,R,To,fG,fG,F,*d,*f,*d*G,*R,*T*F,*d,*d"))]
"TARGET_HARD_FLOAT && !(TARGET_FLOAT64 && !TARGET_64BIT)
&& TARGET_DOUBLE_FLOAT
&& (register_operand (operands[0], DFmode)
(set_attr "length" "1,2,4,2,4,4,2,2,2,2,4,2,4")])
(define_insn "movdf_internal1a"
- [(set (match_operand:DF 0 "nonimmediate_operand" "=f,f,R,R,o,o,f,*d,*d,*d,*o,*R")
- (match_operand:DF 1 "general_operand" " f,o,f,G,f,G,F,*F,*o,*R,*d,*d"))]
+ [(set (match_operand:DF 0 "nonimmediate_operand" "=f,f,R,R,To,To,f,*d,*d,*d,*To,*R")
+ (match_operand:DF 1 "general_operand" " f,To,f,G,f,G,F,*F,*To,*R,*d,*d"))]
"TARGET_HARD_FLOAT && (TARGET_FLOAT64 && !TARGET_64BIT)
&& TARGET_DOUBLE_FLOAT
&& (register_operand (operands[0], DFmode)
(set_attr "length" "1,2,1,1,2,2,2,2,2,1,2,1")])
(define_insn "movdf_internal2"
- [(set (match_operand:DF 0 "nonimmediate_operand" "=d,d,d,R,o")
- (match_operand:DF 1 "general_operand" "dG,R,oF,d,d"))]
- "(TARGET_SOFT_FLOAT || TARGET_SINGLE_FLOAT)
+ [(set (match_operand:DF 0 "nonimmediate_operand" "=d,d,d,R,To")
+ (match_operand:DF 1 "general_operand" "dG,R,ToF,d,d"))]
+ "(TARGET_SOFT_FLOAT || TARGET_SINGLE_FLOAT) && !TARGET_MIPS16
&& (register_operand (operands[0], DFmode)
|| register_operand (operands[1], DFmode)
|| (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0)
(set_attr "mode" "DF")
(set_attr "length" "2,2,4,2,4")])
+(define_insn ""
+ [(set (match_operand:DF 0 "nonimmediate_operand" "=d,y,d,d,d,R,To")
+ (match_operand:DF 1 "general_operand" "d,d,y,R,ToF,d,d"))]
+ "TARGET_MIPS16
+ && (register_operand (operands[0], DFmode)
+ || register_operand (operands[1], DFmode))"
+ "* return mips_move_2words (operands, insn);"
+ [(set_attr "type" "move,move,move,load,load,store,store")
+ (set_attr "mode" "DF")
+ (set_attr "length" "2,2,2,2,4,2,4")])
+
(define_split
[(set (match_operand:DF 0 "register_operand" "")
(match_operand:DF 1 "register_operand" ""))]
(define_insn "loadgp"
[(set (reg:DI 28)
- (unspec_volatile [(match_operand:DI 0 "address_operand" "")] 2))
+ (unspec_volatile:DI [(match_operand:DI 0 "address_operand" "")] 2))
(clobber (reg:DI 1))]
""
"%[lui\\t$1,%%hi(%%neg(%%gp_rel(%a0)))\\n\\taddiu\\t$1,$1,%%lo(%%neg(%%gp_rel(%a0)))\\n\\tdaddu\\t$gp,$1,$25%]"
;; Argument 3 is the alignment
(define_expand "movstrsi"
- [(parallel [(set (mem:BLK (match_operand:BLK 0 "general_operand" ""))
- (mem:BLK (match_operand:BLK 1 "general_operand" "")))
+ [(parallel [(set (match_operand:BLK 0 "general_operand" "")
+ (match_operand:BLK 1 "general_operand" ""))
(use (match_operand:SI 2 "arith32_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))])]
- ""
+ "!TARGET_MIPS16"
"
{
if (operands[0]) /* avoid unused code messages */
(use (const_int 0))] ;; normal block move
""
"* return output_block_move (insn, operands, 4, BLOCK_MOVE_NORMAL);"
+ [(set_attr "type" "store")
+ (set_attr "mode" "none")
+ (set_attr "length" "20")])
+
+;; We need mips16 versions, because an offset from the stack pointer
+;; is not offsettable, since the stack pointer can only handle 4 and 8
+;; byte loads.
+
+(define_insn ""
+ [(set (match_operand:BLK 0 "memory_operand" "=d") ;; destination
+ (match_operand:BLK 1 "memory_operand" "d")) ;; source
+ (clobber (match_scratch:SI 4 "=&d")) ;; temp 1
+ (clobber (match_scratch:SI 5 "=&d")) ;; temp 2
+ (clobber (match_scratch:SI 6 "=&d")) ;; temp 3
+ (clobber (match_scratch:SI 7 "=&d")) ;; temp 4
+ (use (match_operand:SI 2 "small_int" "I")) ;; # bytes to move
+ (use (match_operand:SI 3 "small_int" "I")) ;; alignment
+ (use (const_int 0))] ;; normal block move
+ "TARGET_MIPS16"
+ "* return output_block_move (insn, operands, 4, BLOCK_MOVE_NORMAL);"
+ [(set_attr "type" "multi")
+ (set_attr "mode" "none")
+ (set_attr "length" "20")])
+
+(define_insn ""
+ [(set (match_operand:BLK 0 "memory_operand" "=d") ;; destination
+ (match_operand:BLK 1 "memory_operand" "o")) ;; source
+ (clobber (match_scratch:SI 4 "=&d")) ;; temp 1
+ (clobber (match_scratch:SI 5 "=&d")) ;; temp 2
+ (clobber (match_scratch:SI 6 "=&d")) ;; temp 3
+ (clobber (match_scratch:SI 7 "=&d")) ;; temp 4
+ (use (match_operand:SI 2 "small_int" "I")) ;; # bytes to move
+ (use (match_operand:SI 3 "small_int" "I")) ;; alignment
+ (use (const_int 0))] ;; normal block move
+ "TARGET_MIPS16"
+ "* return output_block_move (insn, operands, 4, BLOCK_MOVE_NORMAL);"
+ [(set_attr "type" "multi")
+ (set_attr "mode" "none")
+ (set_attr "length" "20")])
+
+(define_insn ""
+ [(set (match_operand:BLK 0 "memory_operand" "=o") ;; destination
+ (match_operand:BLK 1 "memory_operand" "d")) ;; source
+ (clobber (match_scratch:SI 4 "=&d")) ;; temp 1
+ (clobber (match_scratch:SI 5 "=&d")) ;; temp 2
+ (clobber (match_scratch:SI 6 "=&d")) ;; temp 3
+ (clobber (match_scratch:SI 7 "=&d")) ;; temp 4
+ (use (match_operand:SI 2 "small_int" "I")) ;; # bytes to move
+ (use (match_operand:SI 3 "small_int" "I")) ;; alignment
+ (use (const_int 0))] ;; normal block move
+ "TARGET_MIPS16"
+ "* return output_block_move (insn, operands, 4, BLOCK_MOVE_NORMAL);"
[(set_attr "type" "multi")
(set_attr "mode" "none")
(set_attr "length" "20")])
(use (const_int 1))] ;; all but last store
""
"* return output_block_move (insn, operands, 4, BLOCK_MOVE_NOT_LAST);"
+ [(set_attr "type" "store")
+ (set_attr "mode" "none")
+ (set_attr "length" "20")])
+
+(define_insn ""
+ [(set (match_operand:BLK 0 "memory_operand" "=d") ;; destination
+ (match_operand:BLK 1 "memory_operand" "d")) ;; source
+ (clobber (match_scratch:SI 4 "=&d")) ;; temp 1
+ (clobber (match_scratch:SI 5 "=&d")) ;; temp 2
+ (clobber (match_scratch:SI 6 "=&d")) ;; temp 3
+ (clobber (match_scratch:SI 7 "=&d")) ;; temp 4
+ (use (match_operand:SI 2 "small_int" "I")) ;; # bytes to move
+ (use (match_operand:SI 3 "small_int" "I")) ;; alignment
+ (use (const_int 1))] ;; all but last store
+ "TARGET_MIPS16"
+ "* return output_block_move (insn, operands, 4, BLOCK_MOVE_NOT_LAST);"
[(set_attr "type" "multi")
(set_attr "mode" "none")
(set_attr "length" "20")])
(set_attr "mode" "none")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:BLK 0 "memory_operand" "=d") ;; destination
+ (match_operand:BLK 1 "memory_operand" "d")) ;; source
+ (clobber (match_scratch:SI 4 "=&d")) ;; temp 1
+ (clobber (match_scratch:SI 5 "=&d")) ;; temp 2
+ (clobber (match_scratch:SI 6 "=&d")) ;; temp 3
+ (clobber (match_scratch:SI 7 "=&d")) ;; temp 4
+ (use (match_operand:SI 2 "small_int" "I")) ;; # bytes to move
+ (use (match_operand:SI 3 "small_int" "I")) ;; alignment
+ (use (const_int 2))] ;; just last store of block move
+ "TARGET_MIPS16"
+ "* return output_block_move (insn, operands, 4, BLOCK_MOVE_LAST);"
+ [(set_attr "type" "store")
+ (set_attr "mode" "none")
+ (set_attr "length" "1")])
+
\f
;;
;; ....................
;;
;; ....................
-(define_insn "ashlsi3"
+;; Many of these instructions uses trivial define_expands, because we
+;; want to use a different set of constraints when TARGET_MIPS16.
+
+(define_expand "ashlsi3"
[(set (match_operand:SI 0 "register_operand" "=d")
(ashift:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "arith_operand" "dI")))]
""
+ "
+{
+ /* On the mips16, a shift of more than 8 is a four byte instruction,
+ so, for a shift between 8 and 16, it is just as fast to do two
+ shifts of 8 or less. If there is a lot of shifting going on, we
+ may win in CSE. Otherwise combine will put the shifts back
+ together again. This can be called by function_arg, so we must
+ be careful not to allocate a new register if we've reached the
+ reload pass. */
+ if (TARGET_MIPS16
+ && optimize
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16
+ && ! reload_in_progress
+ && ! reload_completed)
+ {
+ rtx temp = gen_reg_rtx (SImode);
+
+ emit_insn (gen_ashlsi3_internal2 (temp, operands[1], GEN_INT (8)));
+ emit_insn (gen_ashlsi3_internal2 (operands[0], temp,
+ GEN_INT (INTVAL (operands[2]) - 8)));
+ DONE;
+ }
+}")
+
+(define_insn "ashlsi3_internal1"
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (ashift:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "arith_operand" "dI")))]
+ "!TARGET_MIPS16"
"*
{
if (GET_CODE (operands[2]) == CONST_INT)
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn "ashlsi3_internal2"
+ [(set (match_operand:SI 0 "register_operand" "=d,d")
+ (ashift:SI (match_operand:SI 1 "register_operand" "0,d")
+ (match_operand:SI 2 "arith_operand" "d,I")))]
+ "TARGET_MIPS16"
+ "*
+{
+ if (which_alternative == 0)
+ return \"sll\\t%0,%2\";
+
+ if (GET_CODE (operands[2]) == CONST_INT)
+ operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2]) & 0x1f);
+
+ return \"sll\\t%0,%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm3_b" "")
+ (const_int 1)
+ (const_int 2))])])
+
+;; On the mips16, we can split a 4 byte shift into 2 2 byte shifts.
+
+(define_split
+ [(set (match_operand:SI 0 "register_operand" "")
+ (ashift:SI (match_operand:SI 1 "register_operand" "")
+ (match_operand:SI 2 "const_int_operand" "")))]
+ "TARGET_MIPS16
+ && reload_completed
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16"
+ [(set (match_dup 0) (ashift:SI (match_dup 1) (const_int 8)))
+ (set (match_dup 0) (ashift:SI (match_dup 0) (match_dup 2)))]
+"
+{
+ operands[2] = GEN_INT (INTVAL (operands[2]) - 8);
+}")
(define_expand "ashldi3"
[(parallel [(set (match_operand:DI 0 "register_operand" "")
(ashift:DI (match_operand:DI 1 "se_register_operand" "")
(match_operand:SI 2 "arith_operand" "")))
(clobber (match_dup 3))])]
- "TARGET_64BIT || !TARGET_DEBUG_G_MODE"
+ "TARGET_64BIT || (!TARGET_DEBUG_G_MODE && !TARGET_MIPS16)"
"
{
if (TARGET_64BIT)
{
+ /* On the mips16, a shift of more than 8 is a four byte
+ instruction, so, for a shift between 8 and 16, it is just as
+ fast to do two shifts of 8 or less. If there is a lot of
+ shifting going on, we may win in CSE. Otherwise combine will
+ put the shifts back together again. This can be called by
+ function_arg, so we must be careful not to allocate a new
+ register if we've reached the reload pass. */
+ if (TARGET_MIPS16
+ && optimize
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16
+ && ! reload_in_progress
+ && ! reload_completed)
+ {
+ rtx temp = gen_reg_rtx (DImode);
+
+ emit_insn (gen_ashldi3_internal4 (temp, operands[1], GEN_INT (8)));
+ emit_insn (gen_ashldi3_internal4 (operands[0], temp,
+ GEN_INT (INTVAL (operands[2]) - 8)));
+ DONE;
+ }
+
emit_insn (gen_ashldi3_internal4 (operands[0], operands[1],
operands[2]));
DONE;
(ashift:DI (match_operand:DI 1 "register_operand" "d")
(match_operand:SI 2 "register_operand" "d")))
(clobber (match_operand:SI 3 "register_operand" "=d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE"
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16"
"*
{
operands[4] = const0_rtx;
(ashift:DI (match_operand:DI 1 "register_operand" "d")
(match_operand:SI 2 "small_int" "IJK")))
(clobber (match_operand:SI 3 "register_operand" "=d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && (INTVAL (operands[2]) & 32) != 0"
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
+ && (INTVAL (operands[2]) & 32) != 0"
"*
{
operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2]) & 0x1f);
(ashift:DI (match_operand:DI 1 "register_operand" "")
(match_operand:SI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && REGNO (operands[0]) < FIRST_PSEUDO_REGISTER
&& GET_CODE (operands[1]) == REG && REGNO (operands[1]) < FIRST_PSEUDO_REGISTER
&& (INTVAL (operands[2]) & 32) != 0"
(ashift:DI (match_operand:DI 1 "register_operand" "")
(match_operand:SI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && REGNO (operands[0]) < FIRST_PSEUDO_REGISTER
&& GET_CODE (operands[1]) == REG && REGNO (operands[1]) < FIRST_PSEUDO_REGISTER
&& (INTVAL (operands[2]) & 32) != 0"
(ashift:DI (match_operand:DI 1 "register_operand" "d")
(match_operand:SI 2 "small_int" "IJK")))
(clobber (match_operand:SI 3 "register_operand" "=d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& (INTVAL (operands[2]) & 63) < 32
&& (INTVAL (operands[2]) & 63) != 0"
"*
(ashift:DI (match_operand:DI 1 "register_operand" "")
(match_operand:SI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && REGNO (operands[0]) < FIRST_PSEUDO_REGISTER
&& GET_CODE (operands[1]) == REG && REGNO (operands[1]) < FIRST_PSEUDO_REGISTER
&& (INTVAL (operands[2]) & 63) < 32
(ashift:DI (match_operand:DI 1 "register_operand" "")
(match_operand:SI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && REGNO (operands[0]) < FIRST_PSEUDO_REGISTER
&& GET_CODE (operands[1]) == REG && REGNO (operands[1]) < FIRST_PSEUDO_REGISTER
&& (INTVAL (operands[2]) & 63) < 32
[(set (match_operand:DI 0 "register_operand" "=d")
(ashift:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:SI 2 "arith_operand" "dI")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
+ "*
+{
+ if (GET_CODE (operands[2]) == CONST_INT)
+ operands[2] = GEN_INT (INTVAL (operands[2]) & 0x3f);
+
+ return \"dsll\\t%0,%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr "length" "1")])
+
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d,d")
+ (ashift:DI (match_operand:DI 1 "se_register_operand" "0,d")
+ (match_operand:SI 2 "arith_operand" "d,I")))]
+ "TARGET_64BIT && TARGET_MIPS16"
+ "*
+{
+ if (which_alternative == 0)
+ return \"dsll\\t%0,%2\";
+
+ if (GET_CODE (operands[2]) == CONST_INT)
+ operands[2] = GEN_INT (INTVAL (operands[2]) & 0x3f);
+
+ return \"dsll\\t%0,%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm3_b" "")
+ (const_int 1)
+ (const_int 2))])])
+
+
+;; On the mips16, we can split a 4 byte shift into 2 2 byte shifts.
+
+(define_split
+ [(set (match_operand:DI 0 "register_operand" "")
+ (ashift:DI (match_operand:DI 1 "register_operand" "")
+ (match_operand:SI 2 "const_int_operand" "")))]
+ "TARGET_MIPS16 && TARGET_64BIT
+ && reload_completed
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16"
+ [(set (match_dup 0) (ashift:DI (match_dup 1) (const_int 8)))
+ (set (match_dup 0) (ashift:DI (match_dup 0) (match_dup 2)))]
+"
+{
+ operands[2] = GEN_INT (INTVAL (operands[2]) - 8);
+}")
+
+(define_expand "ashrsi3"
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (ashiftrt:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "arith_operand" "dI")))]
+ ""
+ "
+{
+ /* On the mips16, a shift of more than 8 is a four byte instruction,
+ so, for a shift between 8 and 16, it is just as fast to do two
+ shifts of 8 or less. If there is a lot of shifting going on, we
+ may win in CSE. Otherwise combine will put the shifts back
+ together again. */
+ if (TARGET_MIPS16
+ && optimize
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16)
+ {
+ rtx temp = gen_reg_rtx (SImode);
+
+ emit_insn (gen_ashrsi3_internal2 (temp, operands[1], GEN_INT (8)));
+ emit_insn (gen_ashrsi3_internal2 (operands[0], temp,
+ GEN_INT (INTVAL (operands[2]) - 8)));
+ DONE;
+ }
+}")
+
+(define_insn "ashrsi3_internal1"
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (ashiftrt:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "arith_operand" "dI")))]
+ "!TARGET_MIPS16"
"*
{
if (GET_CODE (operands[2]) == CONST_INT)
- operands[2] = GEN_INT (INTVAL (operands[2]) & 0x3f);
+ operands[2] = GEN_INT (INTVAL (operands[2]) & 0x1f);
- return \"dsll\\t%0,%1,%2\";
+ return \"sra\\t%0,%1,%2\";
}"
[(set_attr "type" "arith")
- (set_attr "mode" "DI")
+ (set_attr "mode" "SI")
(set_attr "length" "1")])
-
-(define_insn "ashrsi3"
- [(set (match_operand:SI 0 "register_operand" "=d")
- (ashiftrt:SI (match_operand:SI 1 "register_operand" "d")
- (match_operand:SI 2 "arith_operand" "dI")))]
- ""
+(define_insn "ashrsi3_internal2"
+ [(set (match_operand:SI 0 "register_operand" "=d,d")
+ (ashiftrt:SI (match_operand:SI 1 "register_operand" "0,d")
+ (match_operand:SI 2 "arith_operand" "d,I")))]
+ "TARGET_MIPS16"
"*
{
+ if (which_alternative == 0)
+ return \"sra\\t%0,%2\";
+
if (GET_CODE (operands[2]) == CONST_INT)
operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2]) & 0x1f);
}"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
- (set_attr "length" "1")])
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm3_b" "")
+ (const_int 1)
+ (const_int 2))])])
+
+;; On the mips16, we can split a 4 byte shift into 2 2 byte shifts.
+
+(define_split
+ [(set (match_operand:SI 0 "register_operand" "")
+ (ashiftrt:SI (match_operand:SI 1 "register_operand" "")
+ (match_operand:SI 2 "const_int_operand" "")))]
+ "TARGET_MIPS16
+ && reload_completed
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16"
+ [(set (match_dup 0) (ashiftrt:SI (match_dup 1) (const_int 8)))
+ (set (match_dup 0) (ashiftrt:SI (match_dup 0) (match_dup 2)))]
+"
+{
+ operands[2] = GEN_INT (INTVAL (operands[2]) - 8);
+}")
(define_expand "ashrdi3"
[(parallel [(set (match_operand:DI 0 "register_operand" "")
(ashiftrt:DI (match_operand:DI 1 "se_register_operand" "")
(match_operand:SI 2 "arith_operand" "")))
(clobber (match_dup 3))])]
- "TARGET_64BIT || !TARGET_DEBUG_G_MODE"
+ "TARGET_64BIT || (!TARGET_DEBUG_G_MODE && !TARGET_MIPS16)"
"
{
if (TARGET_64BIT)
{
+ /* On the mips16, a shift of more than 8 is a four byte
+ instruction, so, for a shift between 8 and 16, it is just as
+ fast to do two shifts of 8 or less. If there is a lot of
+ shifting going on, we may win in CSE. Otherwise combine will
+ put the shifts back together again. */
+ if (TARGET_MIPS16
+ && optimize
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16)
+ {
+ rtx temp = gen_reg_rtx (DImode);
+
+ emit_insn (gen_ashrdi3_internal4 (temp, operands[1], GEN_INT (8)));
+ emit_insn (gen_ashrdi3_internal4 (operands[0], temp,
+ GEN_INT (INTVAL (operands[2]) - 8)));
+ DONE;
+ }
+
emit_insn (gen_ashrdi3_internal4 (operands[0], operands[1],
operands[2]));
DONE;
(ashiftrt:DI (match_operand:DI 1 "register_operand" "d")
(match_operand:SI 2 "register_operand" "d")))
(clobber (match_operand:SI 3 "register_operand" "=d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE"
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16"
"*
{
operands[4] = const0_rtx;
(ashiftrt:DI (match_operand:DI 1 "register_operand" "d")
(match_operand:SI 2 "small_int" "IJK")))
(clobber (match_operand:SI 3 "register_operand" "=d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& (INTVAL (operands[2]) & 63) < 32
&& (INTVAL (operands[2]) & 63) != 0"
"*
(ashiftrt:DI (match_operand:DI 1 "register_operand" "")
(match_operand:SI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && REGNO (operands[0]) < FIRST_PSEUDO_REGISTER
&& GET_CODE (operands[1]) == REG && REGNO (operands[1]) < FIRST_PSEUDO_REGISTER
&& (INTVAL (operands[2]) & 63) < 32
(ashiftrt:DI (match_operand:DI 1 "register_operand" "")
(match_operand:SI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && REGNO (operands[0]) < FIRST_PSEUDO_REGISTER
&& GET_CODE (operands[1]) == REG && REGNO (operands[1]) < FIRST_PSEUDO_REGISTER
&& (INTVAL (operands[2]) & 63) < 32
[(set (match_operand:DI 0 "register_operand" "=d")
(ashiftrt:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:SI 2 "arith_operand" "dI")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"*
{
if (GET_CODE (operands[2]) == CONST_INT)
(set_attr "mode" "DI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d,d")
+ (ashiftrt:DI (match_operand:DI 1 "se_register_operand" "0,0")
+ (match_operand:SI 2 "arith_operand" "d,I")))]
+ "TARGET_64BIT && TARGET_MIPS16"
+ "*
+{
+ if (GET_CODE (operands[2]) == CONST_INT)
+ operands[2] = GEN_INT (INTVAL (operands[2]) & 0x3f);
+
+ return \"dsra\\t%0,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm3_b" "")
+ (const_int 1)
+ (const_int 2))])])
+
+;; On the mips16, we can split a 4 byte shift into 2 2 byte shifts.
+
+(define_split
+ [(set (match_operand:DI 0 "register_operand" "")
+ (ashiftrt:DI (match_operand:DI 1 "register_operand" "")
+ (match_operand:SI 2 "const_int_operand" "")))]
+ "TARGET_MIPS16 && TARGET_64BIT
+ && reload_completed
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16"
+ [(set (match_dup 0) (ashiftrt:DI (match_dup 1) (const_int 8)))
+ (set (match_dup 0) (ashiftrt:DI (match_dup 0) (match_dup 2)))]
+"
+{
+ operands[2] = GEN_INT (INTVAL (operands[2]) - 8);
+}")
-(define_insn "lshrsi3"
+(define_expand "lshrsi3"
[(set (match_operand:SI 0 "register_operand" "=d")
(lshiftrt:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "arith_operand" "dI")))]
""
+ "
+{
+ /* On the mips16, a shift of more than 8 is a four byte instruction,
+ so, for a shift between 8 and 16, it is just as fast to do two
+ shifts of 8 or less. If there is a lot of shifting going on, we
+ may win in CSE. Otherwise combine will put the shifts back
+ together again. */
+ if (TARGET_MIPS16
+ && optimize
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16)
+ {
+ rtx temp = gen_reg_rtx (SImode);
+
+ emit_insn (gen_lshrsi3_internal2 (temp, operands[1], GEN_INT (8)));
+ emit_insn (gen_lshrsi3_internal2 (operands[0], temp,
+ GEN_INT (INTVAL (operands[2]) - 8)));
+ DONE;
+ }
+}")
+
+(define_insn "lshrsi3_internal1"
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (lshiftrt:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "arith_operand" "dI")))]
+ "!TARGET_MIPS16"
"*
{
if (GET_CODE (operands[2]) == CONST_INT)
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn "lshrsi3_internal2"
+ [(set (match_operand:SI 0 "register_operand" "=d,d")
+ (lshiftrt:SI (match_operand:SI 1 "register_operand" "0,d")
+ (match_operand:SI 2 "arith_operand" "d,I")))]
+ "TARGET_MIPS16"
+ "*
+{
+ if (which_alternative == 0)
+ return \"srl\\t%0,%2\";
+
+ if (GET_CODE (operands[2]) == CONST_INT)
+ operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2]) & 0x1f);
+
+ return \"srl\\t%0,%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm3_b" "")
+ (const_int 1)
+ (const_int 2))])])
+
+
+;; On the mips16, we can split a 4 byte shift into 2 2 byte shifts.
+
+(define_split
+ [(set (match_operand:SI 0 "register_operand" "")
+ (lshiftrt:SI (match_operand:SI 1 "register_operand" "")
+ (match_operand:SI 2 "const_int_operand" "")))]
+ "TARGET_MIPS16
+ && reload_completed
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16"
+ [(set (match_dup 0) (lshiftrt:SI (match_dup 1) (const_int 8)))
+ (set (match_dup 0) (lshiftrt:SI (match_dup 0) (match_dup 2)))]
+"
+{
+ operands[2] = GEN_INT (INTVAL (operands[2]) - 8);
+}")
+
+;; If we load a byte on the mips16 as a bitfield, the resulting
+;; sequence of instructions is too complicated for combine, because it
+;; involves four instructions: a load, a shift, a constant load into a
+;; register, and an and (the key problem here is that the mips16 does
+;; not have and immediate). We recognize a shift of a load in order
+;; to make it simple enough for combine to understand.
+
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "d,d")
+ (lshiftrt:SI (match_operand:SI 1 "memory_operand" "R,m")
+ (match_operand:SI 2 "immediate_operand" "I,I")))]
+ "TARGET_MIPS16"
+ "lw\\t%0,%1\;srl\\t%0,%2"
+ [(set_attr "type" "load")
+ (set_attr "mode" "SI")
+ (set_attr_alternative "length"
+ [(if_then_else (match_operand:VOID 2 "m16_uimm3_b" "")
+ (const_int 2)
+ (const_int 3))
+ (if_then_else (match_operand:VOID 2 "m16_uimm3_b" "")
+ (const_int 3)
+ (const_int 4))])])
+
+(define_split
+ [(set (match_operand:SI 0 "register_operand" "")
+ (lshiftrt:SI (match_operand:SI 1 "memory_operand" "")
+ (match_operand:SI 2 "immediate_operand" "")))]
+ "TARGET_MIPS16"
+ [(set (match_dup 0) (match_dup 1))
+ (set (match_dup 0) (lshiftrt:SI (match_dup 0) (match_dup 2)))]
+ "")
(define_expand "lshrdi3"
[(parallel [(set (match_operand:DI 0 "register_operand" "")
(lshiftrt:DI (match_operand:DI 1 "se_register_operand" "")
(match_operand:SI 2 "arith_operand" "")))
(clobber (match_dup 3))])]
- "TARGET_64BIT || !TARGET_DEBUG_G_MODE"
+ "TARGET_64BIT || (!TARGET_DEBUG_G_MODE && !TARGET_MIPS16)"
"
{
if (TARGET_64BIT)
{
+ /* On the mips16, a shift of more than 8 is a four byte
+ instruction, so, for a shift between 8 and 16, it is just as
+ fast to do two shifts of 8 or less. If there is a lot of
+ shifting going on, we may win in CSE. Otherwise combine will
+ put the shifts back together again. */
+ if (TARGET_MIPS16
+ && optimize
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16)
+ {
+ rtx temp = gen_reg_rtx (DImode);
+
+ emit_insn (gen_lshrdi3_internal4 (temp, operands[1], GEN_INT (8)));
+ emit_insn (gen_lshrdi3_internal4 (operands[0], temp,
+ GEN_INT (INTVAL (operands[2]) - 8)));
+ DONE;
+ }
+
emit_insn (gen_lshrdi3_internal4 (operands[0], operands[1],
operands[2]));
DONE;
(lshiftrt:DI (match_operand:DI 1 "register_operand" "d")
(match_operand:SI 2 "register_operand" "d")))
(clobber (match_operand:SI 3 "register_operand" "=d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE"
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16"
"*
{
operands[4] = const0_rtx;
(lshiftrt:DI (match_operand:DI 1 "register_operand" "d")
(match_operand:SI 2 "small_int" "IJK")))
(clobber (match_operand:SI 3 "register_operand" "=d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && (INTVAL (operands[2]) & 32) != 0"
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
+ && (INTVAL (operands[2]) & 32) != 0"
"*
{
operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2]) & 0x1f);
(lshiftrt:DI (match_operand:DI 1 "register_operand" "")
(match_operand:SI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && REGNO (operands[0]) < FIRST_PSEUDO_REGISTER
&& GET_CODE (operands[1]) == REG && REGNO (operands[1]) < FIRST_PSEUDO_REGISTER
&& (INTVAL (operands[2]) & 32) != 0"
(lshiftrt:DI (match_operand:DI 1 "register_operand" "")
(match_operand:SI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && REGNO (operands[0]) < FIRST_PSEUDO_REGISTER
&& GET_CODE (operands[1]) == REG && REGNO (operands[1]) < FIRST_PSEUDO_REGISTER
&& (INTVAL (operands[2]) & 32) != 0"
(lshiftrt:DI (match_operand:DI 1 "register_operand" "d")
(match_operand:SI 2 "small_int" "IJK")))
(clobber (match_operand:SI 3 "register_operand" "=d"))]
- "!TARGET_64BIT && !TARGET_DEBUG_G_MODE
+ "!TARGET_64BIT && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& (INTVAL (operands[2]) & 63) < 32
&& (INTVAL (operands[2]) & 63) != 0"
"*
(lshiftrt:DI (match_operand:DI 1 "register_operand" "")
(match_operand:SI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && !WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && REGNO (operands[0]) < FIRST_PSEUDO_REGISTER
&& GET_CODE (operands[1]) == REG && REGNO (operands[1]) < FIRST_PSEUDO_REGISTER
&& (INTVAL (operands[2]) & 63) < 32
(lshiftrt:DI (match_operand:DI 1 "register_operand" "")
(match_operand:SI 2 "small_int" "")))
(clobber (match_operand:SI 3 "register_operand" ""))]
- "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE
+ "reload_completed && WORDS_BIG_ENDIAN && !TARGET_64BIT
+ && !TARGET_DEBUG_D_MODE && !TARGET_DEBUG_G_MODE && !TARGET_MIPS16
&& GET_CODE (operands[0]) == REG && REGNO (operands[0]) < FIRST_PSEUDO_REGISTER
&& GET_CODE (operands[1]) == REG && REGNO (operands[1]) < FIRST_PSEUDO_REGISTER
&& (INTVAL (operands[2]) & 63) < 32
[(set (match_operand:DI 0 "register_operand" "=d")
(lshiftrt:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:SI 2 "arith_operand" "dI")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"*
{
if (GET_CODE (operands[2]) == CONST_INT)
(set_attr "mode" "DI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d,d")
+ (lshiftrt:DI (match_operand:DI 1 "se_register_operand" "0,0")
+ (match_operand:SI 2 "arith_operand" "d,I")))]
+ "TARGET_64BIT && TARGET_MIPS16"
+ "*
+{
+ if (GET_CODE (operands[2]) == CONST_INT)
+ operands[2] = GEN_INT (INTVAL (operands[2]) & 0x3f);
+
+ return \"dsrl\\t%0,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm3_b" "")
+ (const_int 1)
+ (const_int 2))])])
+
+;; On the mips16, we can split a 4 byte shift into 2 2 byte shifts.
+
+(define_split
+ [(set (match_operand:DI 0 "register_operand" "")
+ (lshiftrt:DI (match_operand:DI 1 "register_operand" "")
+ (match_operand:SI 2 "const_int_operand" "")))]
+ "TARGET_MIPS16
+ && reload_completed
+ && GET_CODE (operands[2]) == CONST_INT
+ && INTVAL (operands[2]) > 8
+ && INTVAL (operands[2]) <= 16"
+ [(set (match_dup 0) (lshiftrt:DI (match_dup 1) (const_int 8)))
+ (set (match_dup 0) (lshiftrt:DI (match_dup 0) (match_dup 2)))]
+"
+{
+ operands[2] = GEN_INT (INTVAL (operands[2]) - 8);
+}")
+
\f
;;
;; ....................
(const_int 0)])
(match_operand 2 "pc_or_label_operand" "")
(match_operand 3 "pc_or_label_operand" "")))]
- ""
+ "!TARGET_MIPS16"
"*
{
mips_branch_likely = (final_sequence && INSN_ANNULLED_BRANCH_P (insn));
(set_attr "length" "1")])
+(define_insn ""
+ [(set (pc)
+ (if_then_else (match_operator:SI 0 "equality_op"
+ [(match_operand:SI 1 "register_operand" "d,t")
+ (const_int 0)])
+ (match_operand 2 "pc_or_label_operand" "")
+ (match_operand 3 "pc_or_label_operand" "")))]
+ "TARGET_MIPS16"
+ "*
+{
+ if (operands[2] != pc_rtx)
+ {
+ if (which_alternative == 0)
+ return \"%*b%C0z\\t%1,%2\";
+ else
+ return \"%*bt%C0z\\t%2\";
+ }
+ else
+ {
+ if (which_alternative == 0)
+ return \"%*b%N0z\\t%1,%3\";
+ else
+ return \"%*bt%N0z\\t%3\";
+ }
+}"
+ [(set_attr "type" "branch")
+ (set_attr "mode" "none")
+ (set_attr "length" "2")])
+
(define_insn "branch_zero_di"
[(set (pc)
(if_then_else (match_operator:DI 0 "cmp_op"
(const_int 0)])
(match_operand 2 "pc_or_label_operand" "")
(match_operand 3 "pc_or_label_operand" "")))]
- ""
+ "!TARGET_MIPS16"
"*
{
mips_branch_likely = (final_sequence && INSN_ANNULLED_BRANCH_P (insn));
(set_attr "mode" "none")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (pc)
+ (if_then_else (match_operator:DI 0 "equality_op"
+ [(match_operand:DI 1 "se_register_operand" "d,t")
+ (const_int 0)])
+ (match_operand 2 "pc_or_label_operand" "")
+ (match_operand 3 "pc_or_label_operand" "")))]
+ "TARGET_MIPS16"
+ "*
+{
+ if (operands[2] != pc_rtx)
+ {
+ if (which_alternative == 0)
+ return \"%*b%C0z\\t%1,%2\";
+ else
+ return \"%*bt%C0z\\t%2\";
+ }
+ else
+ {
+ if (which_alternative == 0)
+ return \"%*b%N0z\\t%1,%3\";
+ else
+ return \"%*bt%N0z\\t%3\";
+ }
+}"
+ [(set_attr "type" "branch")
+ (set_attr "mode" "none")
+ (set_attr "length" "2")])
+
(define_insn "branch_equality"
[(set (pc)
(match_operand:SI 2 "register_operand" "d")])
(match_operand 3 "pc_or_label_operand" "")
(match_operand 4 "pc_or_label_operand" "")))]
- ""
+ "!TARGET_MIPS16"
"*
{
mips_branch_likely = (final_sequence && INSN_ANNULLED_BRANCH_P (insn));
(match_operand:DI 2 "se_register_operand" "d")])
(match_operand 3 "pc_or_label_operand" "")
(match_operand 4 "pc_or_label_operand" "")))]
- ""
+ "!TARGET_MIPS16"
"*
{
mips_branch_likely = (final_sequence && INSN_ANNULLED_BRANCH_P (insn));
operands[1] = branch_cmp[0];
operands[2] = branch_cmp[1];
- if (TARGET_64BIT || !TARGET_DEBUG_C_MODE)
+ if (TARGET_64BIT || !TARGET_DEBUG_C_MODE || TARGET_MIPS16)
{
gen_int_relational (EQ, operands[0], operands[1], operands[2], (int *)0);
DONE;
[(set (match_operand:SI 0 "register_operand" "=d")
(eq:SI (match_operand:SI 1 "register_operand" "d")
(const_int 0)))]
- ""
+ "!TARGET_MIPS16"
"sltu\\t%0,%1,1"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=t")
+ (eq:SI (match_operand:SI 1 "register_operand" "d")
+ (const_int 0)))]
+ "TARGET_MIPS16"
+ "sltu\\t%1,1"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr "length" "1")])
+
(define_insn "seq_di_zero"
[(set (match_operand:DI 0 "register_operand" "=d")
(eq:DI (match_operand:DI 1 "se_register_operand" "d")
(const_int 0)))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"sltu\\t%0,%1,1"
[(set_attr "type" "arith")
(set_attr "mode" "DI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=t")
+ (eq:DI (match_operand:DI 1 "se_register_operand" "d")
+ (const_int 0)))]
+ "TARGET_64BIT && TARGET_MIPS16"
+ "sltu\\t%1,1"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr "length" "1")])
+
(define_insn "seq_si"
[(set (match_operand:SI 0 "register_operand" "=d,d")
(eq:SI (match_operand:SI 1 "register_operand" "%d,d")
(match_operand:SI 2 "uns_arith_operand" "d,K")))]
- "TARGET_DEBUG_C_MODE"
+ "TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"@
xor\\t%0,%1,%2\;sltu\\t%0,%0,1
xori\\t%0,%1,%2\;sltu\\t%0,%0,1"
[(set (match_operand:SI 0 "register_operand" "")
(eq:SI (match_operand:SI 1 "register_operand" "")
(match_operand:SI 2 "uns_arith_operand" "")))]
- "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE
+ "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE && !TARGET_MIPS16
&& (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != 0)"
[(set (match_dup 0)
(xor:SI (match_dup 1)
[(set (match_operand:DI 0 "register_operand" "=d,d")
(eq:DI (match_operand:DI 1 "se_register_operand" "%d,d")
(match_operand:DI 2 "se_uns_arith_operand" "d,K")))]
- "TARGET_64BIT && TARGET_DEBUG_C_MODE"
+ "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"@
xor\\t%0,%1,%2\;sltu\\t%0,%0,1
xori\\t%0,%1,%2\;sltu\\t%0,%0,1"
(eq:DI (match_operand:DI 1 "se_register_operand" "")
(match_operand:DI 2 "se_uns_arith_operand" "")))]
"TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE
+ && !TARGET_MIPS16
&& (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != 0)"
[(set (match_dup 0)
(xor:DI (match_dup 1)
(const_int 1)))]
"")
+;; On the mips16 the default code is better than using sltu.
+
(define_expand "sne"
[(set (match_operand:SI 0 "register_operand" "=d")
(ne:SI (match_dup 1)
(match_dup 2)))]
- ""
+ "!TARGET_MIPS16"
"
{
if (branch_type != CMP_SI && (!TARGET_64BIT || branch_type != CMP_DI))
[(set (match_operand:SI 0 "register_operand" "=d")
(ne:SI (match_operand:SI 1 "register_operand" "d")
(const_int 0)))]
- ""
+ "!TARGET_MIPS16"
"sltu\\t%0,%.,%1"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
[(set (match_operand:DI 0 "register_operand" "=d")
(ne:DI (match_operand:DI 1 "se_register_operand" "d")
(const_int 0)))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"sltu\\t%0,%.,%1"
[(set_attr "type" "arith")
(set_attr "mode" "DI")
[(set (match_operand:SI 0 "register_operand" "=d,d")
(ne:SI (match_operand:SI 1 "register_operand" "%d,d")
(match_operand:SI 2 "uns_arith_operand" "d,K")))]
- "TARGET_DEBUG_C_MODE"
+ "TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"@
xor\\t%0,%1,%2\;sltu\\t%0,%.,%0
xori\\t%0,%1,%x2\;sltu\\t%0,%.,%0"
[(set (match_operand:SI 0 "register_operand" "")
(ne:SI (match_operand:SI 1 "register_operand" "")
(match_operand:SI 2 "uns_arith_operand" "")))]
- "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE
+ "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE && !TARGET_MIPS16
&& (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != 0)"
[(set (match_dup 0)
(xor:SI (match_dup 1)
[(set (match_operand:DI 0 "register_operand" "=d,d")
(ne:DI (match_operand:DI 1 "se_register_operand" "%d,d")
(match_operand:DI 2 "se_uns_arith_operand" "d,K")))]
- "TARGET_64BIT && TARGET_DEBUG_C_MODE"
+ "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"@
xor\\t%0,%1,%2\;sltu\\t%0,%.,%0
xori\\t%0,%1,%x2\;sltu\\t%0,%.,%0"
(ne:DI (match_operand:DI 1 "se_register_operand" "")
(match_operand:DI 2 "se_uns_arith_operand" "")))]
"TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE
+ && !TARGET_MIPS16
&& (GET_CODE (operands[2]) != CONST_INT || INTVAL (operands[2]) != 0)"
[(set (match_dup 0)
(xor:DI (match_dup 1)
operands[1] = branch_cmp[0];
operands[2] = branch_cmp[1];
- if (TARGET_64BIT || !TARGET_DEBUG_C_MODE)
+ if (TARGET_64BIT || !TARGET_DEBUG_C_MODE || TARGET_MIPS16)
{
gen_int_relational (GT, operands[0], operands[1], operands[2], (int *)0);
DONE;
[(set (match_operand:SI 0 "register_operand" "=d")
(gt:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "reg_or_0_operand" "dJ")))]
- ""
+ "!TARGET_MIPS16"
"slt\\t%0,%z2,%1"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=t")
+ (gt:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "register_operand" "d")))]
+ "TARGET_MIPS16"
+ "slt\\t%2,%1"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr "length" "1")])
+
(define_insn "sgt_di"
[(set (match_operand:DI 0 "register_operand" "=d")
(gt:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_reg_or_0_operand" "dJ")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"slt\\t%0,%z2,%1"
[(set_attr "type" "arith")
(set_attr "mode" "DI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (gt:DI (match_operand:DI 1 "se_register_operand" "d")
+ (match_operand:DI 2 "se_register_operand" "d")))]
+ "TARGET_64BIT && TARGET_MIPS16"
+ "slt\\t%2,%1"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr "length" "1")])
+
(define_expand "sge"
[(set (match_operand:SI 0 "register_operand" "=d")
(ge:SI (match_dup 1)
operands[1] = branch_cmp[0];
operands[2] = branch_cmp[1];
- if (TARGET_64BIT || !TARGET_DEBUG_C_MODE)
+ if (TARGET_64BIT || !TARGET_DEBUG_C_MODE || TARGET_MIPS16)
{
gen_int_relational (GE, operands[0], operands[1], operands[2], (int *)0);
DONE;
[(set (match_operand:SI 0 "register_operand" "=d")
(ge:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "arith_operand" "dI")))]
- "TARGET_DEBUG_C_MODE"
+ "TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"slt\\t%0,%1,%2\;xori\\t%0,%0,0x0001"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
[(set (match_operand:SI 0 "register_operand" "")
(ge:SI (match_operand:SI 1 "register_operand" "")
(match_operand:SI 2 "arith_operand" "")))]
- "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE"
+ "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE && !TARGET_MIPS16"
[(set (match_dup 0)
(lt:SI (match_dup 1)
(match_dup 2)))
[(set (match_operand:DI 0 "register_operand" "=d")
(ge:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_arith_operand" "dI")))]
- "TARGET_64BIT && TARGET_DEBUG_C_MODE"
+ "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"slt\\t%0,%1,%2\;xori\\t%0,%0,0x0001"
[(set_attr "type" "arith")
(set_attr "mode" "DI")
[(set (match_operand:DI 0 "register_operand" "")
(ge:DI (match_operand:DI 1 "se_register_operand" "")
(match_operand:DI 2 "se_arith_operand" "")))]
- "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE"
+ "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE
+ && !TARGET_MIPS16"
[(set (match_dup 0)
(lt:DI (match_dup 1)
(match_dup 2)))
operands[1] = branch_cmp[0];
operands[2] = branch_cmp[1];
- if (TARGET_64BIT || !TARGET_DEBUG_C_MODE)
+ if (TARGET_64BIT || !TARGET_DEBUG_C_MODE || TARGET_MIPS16)
{
gen_int_relational (LT, operands[0], operands[1], operands[2], (int *)0);
DONE;
[(set (match_operand:SI 0 "register_operand" "=d")
(lt:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "arith_operand" "dI")))]
- ""
+ "!TARGET_MIPS16"
"slt\\t%0,%1,%2"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=t,t")
+ (lt:SI (match_operand:SI 1 "register_operand" "d,d")
+ (match_operand:SI 2 "arith_operand" "d,I")))]
+ "TARGET_MIPS16"
+ "slt\\t%1,%2"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm8_1" "")
+ (const_int 1)
+ (const_int 2))])])
+
(define_insn "slt_di"
[(set (match_operand:DI 0 "register_operand" "=d")
(lt:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_arith_operand" "dI")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"slt\\t%0,%1,%2"
[(set_attr "type" "arith")
(set_attr "mode" "DI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=t,t")
+ (lt:DI (match_operand:DI 1 "se_register_operand" "d,d")
+ (match_operand:DI 2 "se_arith_operand" "d,I")))]
+ "TARGET_64BIT && TARGET_MIPS16"
+ "slt\\t%1,%2"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm8_1" "")
+ (const_int 1)
+ (const_int 2))])])
+
(define_expand "sle"
[(set (match_operand:SI 0 "register_operand" "=d")
(le:SI (match_dup 1)
operands[1] = branch_cmp[0];
operands[2] = branch_cmp[1];
- if (TARGET_64BIT || !TARGET_DEBUG_C_MODE)
+ if (TARGET_64BIT || !TARGET_DEBUG_C_MODE || TARGET_MIPS16)
{
gen_int_relational (LE, operands[0], operands[1], operands[2], (int *)0);
DONE;
[(set (match_operand:SI 0 "register_operand" "=d")
(le:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "small_int" "I")))]
- "INTVAL (operands[2]) < 32767"
+ "!TARGET_MIPS16 && INTVAL (operands[2]) < 32767"
"*
{
operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2])+1);
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=t")
+ (le:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "small_int" "I")))]
+ "TARGET_MIPS16 && INTVAL (operands[2]) < 32767"
+ "*
+{
+ operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2])+1);
+ return \"slt\\t%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set (attr "length") (if_then_else (match_operand:VOID 2 "m16_uimm8_m1_1" "")
+ (const_int 1)
+ (const_int 2)))])
+
(define_insn "sle_di_const"
[(set (match_operand:DI 0 "register_operand" "=d")
(le:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "small_int" "I")))]
- "TARGET_64BIT && INTVAL (operands[2]) < 32767"
+ "TARGET_64BIT && !TARGET_MIPS16 && INTVAL (operands[2]) < 32767"
"*
{
operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2])+1);
(set_attr "mode" "DI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=t")
+ (le:DI (match_operand:DI 1 "se_register_operand" "d")
+ (match_operand:DI 2 "small_int" "I")))]
+ "TARGET_64BIT && TARGET_MIPS16 && INTVAL (operands[2]) < 32767"
+ "*
+{
+ operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2])+1);
+ return \"slt\\t%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set (attr "length") (if_then_else (match_operand:VOID 2 "m16_uimm8_m1_1" "")
+ (const_int 1)
+ (const_int 2)))])
+
(define_insn "sle_si_reg"
[(set (match_operand:SI 0 "register_operand" "=d")
(le:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "register_operand" "d")))]
- "TARGET_DEBUG_C_MODE"
+ "TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"slt\\t%0,%z2,%1\;xori\\t%0,%0,0x0001"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
[(set (match_operand:SI 0 "register_operand" "")
(le:SI (match_operand:SI 1 "register_operand" "")
(match_operand:SI 2 "register_operand" "")))]
- "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE"
+ "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE && !TARGET_MIPS16"
[(set (match_dup 0)
(lt:SI (match_dup 2)
(match_dup 1)))
[(set (match_operand:DI 0 "register_operand" "=d")
(le:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_register_operand" "d")))]
- "TARGET_64BIT && TARGET_DEBUG_C_MODE"
+ "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"slt\\t%0,%z2,%1\;xori\\t%0,%0,0x0001"
[(set_attr "type" "arith")
(set_attr "mode" "DI")
[(set (match_operand:DI 0 "register_operand" "")
(le:DI (match_operand:DI 1 "se_register_operand" "")
(match_operand:DI 2 "se_register_operand" "")))]
- "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE"
+ "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE
+ && !TARGET_MIPS16"
[(set (match_dup 0)
(lt:DI (match_dup 2)
(match_dup 1)))
operands[1] = branch_cmp[0];
operands[2] = branch_cmp[1];
- if (TARGET_64BIT || !TARGET_DEBUG_C_MODE)
+ if (TARGET_64BIT || !TARGET_DEBUG_C_MODE || TARGET_MIPS16)
{
gen_int_relational (GTU, operands[0], operands[1], operands[2], (int *)0);
DONE;
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=t")
+ (gtu:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "register_operand" "d")))]
+ ""
+ "sltu\\t%2,%1"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr "length" "1")])
+
(define_insn "sgtu_di"
[(set (match_operand:DI 0 "register_operand" "=d")
(gtu:DI (match_operand:DI 1 "se_register_operand" "d")
- (match_operand:DI 2 "se_reg_or_0_operand" "dJ")))]
+ (match_operand:DI 2 "se_reg_or_0_operand" "dJ")))]
+ "TARGET_64BIT"
+ "sltu\\t%0,%z2,%1"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr "length" "1")])
+
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=t")
+ (gtu:DI (match_operand:DI 1 "se_register_operand" "d")
+ (match_operand:DI 2 "se_register_operand" "d")))]
"TARGET_64BIT"
- "sltu\\t%0,%z2,%1"
+ "sltu\\t%2,%1"
[(set_attr "type" "arith")
(set_attr "mode" "DI")
(set_attr "length" "1")])
operands[1] = branch_cmp[0];
operands[2] = branch_cmp[1];
- if (TARGET_64BIT || !TARGET_DEBUG_C_MODE)
+ if (TARGET_64BIT || !TARGET_DEBUG_C_MODE || TARGET_MIPS16)
{
gen_int_relational (GEU, operands[0], operands[1], operands[2], (int *)0);
DONE;
[(set (match_operand:SI 0 "register_operand" "=d")
(geu:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "arith_operand" "dI")))]
- "TARGET_DEBUG_C_MODE"
+ "TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"sltu\\t%0,%1,%2\;xori\\t%0,%0,0x0001"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
[(set (match_operand:SI 0 "register_operand" "")
(geu:SI (match_operand:SI 1 "register_operand" "")
(match_operand:SI 2 "arith_operand" "")))]
- "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE"
+ "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE && !TARGET_MIPS16"
[(set (match_dup 0)
(ltu:SI (match_dup 1)
(match_dup 2)))
[(set (match_operand:DI 0 "register_operand" "=d")
(geu:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_arith_operand" "dI")))]
- "TARGET_64BIT && TARGET_DEBUG_C_MODE"
+ "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"sltu\\t%0,%1,%2\;xori\\t%0,%0,0x0001"
[(set_attr "type" "arith")
(set_attr "mode" "DI")
[(set (match_operand:DI 0 "register_operand" "")
(geu:DI (match_operand:DI 1 "se_register_operand" "")
(match_operand:DI 2 "se_arith_operand" "")))]
- "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE"
+ "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE
+ && !TARGET_MIPS16"
[(set (match_dup 0)
(ltu:DI (match_dup 1)
(match_dup 2)))
operands[1] = branch_cmp[0];
operands[2] = branch_cmp[1];
- if (TARGET_64BIT || !TARGET_DEBUG_C_MODE)
+ if (TARGET_64BIT || !TARGET_DEBUG_C_MODE || TARGET_MIPS16)
{
gen_int_relational (LTU, operands[0], operands[1], operands[2], (int *)0);
DONE;
[(set (match_operand:SI 0 "register_operand" "=d")
(ltu:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "arith_operand" "dI")))]
- ""
+ "!TARGET_MIPS16"
"sltu\\t%0,%1,%2"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=t,t")
+ (ltu:SI (match_operand:SI 1 "register_operand" "d,d")
+ (match_operand:SI 2 "arith_operand" "d,I")))]
+ "TARGET_MIPS16"
+ "sltu\\t%1,%2"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm8_1" "")
+ (const_int 1)
+ (const_int 2))])])
+
(define_insn "sltu_di"
[(set (match_operand:DI 0 "register_operand" "=d")
(ltu:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_arith_operand" "dI")))]
- "TARGET_64BIT"
+ "TARGET_64BIT && !TARGET_MIPS16"
"sltu\\t%0,%1,%2"
[(set_attr "type" "arith")
(set_attr "mode" "DI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=t,t")
+ (ltu:DI (match_operand:DI 1 "se_register_operand" "d,d")
+ (match_operand:DI 2 "se_arith_operand" "d,I")))]
+ "TARGET_64BIT && TARGET_MIPS16"
+ "sltu\\t%1,%2"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set_attr_alternative "length"
+ [(const_int 1)
+ (if_then_else (match_operand:VOID 2 "m16_uimm8_1" "")
+ (const_int 1)
+ (const_int 2))])])
+
(define_expand "sleu"
[(set (match_operand:SI 0 "register_operand" "=d")
(leu:SI (match_dup 1)
operands[1] = branch_cmp[0];
operands[2] = branch_cmp[1];
- if (TARGET_64BIT || !TARGET_DEBUG_C_MODE)
+ if (TARGET_64BIT || !TARGET_DEBUG_C_MODE || TARGET_MIPS16)
{
gen_int_relational (LEU, operands[0], operands[1], operands[2], (int *)0);
DONE;
[(set (match_operand:SI 0 "register_operand" "=d")
(leu:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "small_int" "I")))]
- "INTVAL (operands[2]) < 32767"
+ "!TARGET_MIPS16 && INTVAL (operands[2]) < 32767"
"*
{
operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2])+1);
(set_attr "mode" "SI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:SI 0 "register_operand" "=t")
+ (leu:SI (match_operand:SI 1 "register_operand" "d")
+ (match_operand:SI 2 "small_int" "I")))]
+ "TARGET_MIPS16 && INTVAL (operands[2]) < 32767"
+ "*
+{
+ operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2])+1);
+ return \"sltu\\t%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "SI")
+ (set (attr "length") (if_then_else (match_operand:VOID 2 "m16_uimm8_m1_1" "")
+ (const_int 1)
+ (const_int 2)))])
+
(define_insn "sleu_di_const"
[(set (match_operand:DI 0 "register_operand" "=d")
(leu:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "small_int" "I")))]
- "TARGET_64BIT && INTVAL (operands[2]) < 32767"
+ "TARGET_64BIT && !TARGET_MIPS16 && INTVAL (operands[2]) < 32767"
"*
{
operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2])+1);
(set_attr "mode" "DI")
(set_attr "length" "1")])
+(define_insn ""
+ [(set (match_operand:DI 0 "register_operand" "=t")
+ (leu:DI (match_operand:DI 1 "se_register_operand" "d")
+ (match_operand:DI 2 "small_int" "I")))]
+ "TARGET_64BIT && TARGET_MIPS16 && INTVAL (operands[2]) < 32767"
+ "*
+{
+ operands[2] = gen_rtx (CONST_INT, VOIDmode, INTVAL (operands[2])+1);
+ return \"sltu\\t%1,%2\";
+}"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+ (set (attr "length") (if_then_else (match_operand:VOID 2 "m16_uimm8_m1_1" "")
+ (const_int 1)
+ (const_int 2)))])
+
(define_insn "sleu_si_reg"
[(set (match_operand:SI 0 "register_operand" "=d")
(leu:SI (match_operand:SI 1 "register_operand" "d")
(match_operand:SI 2 "register_operand" "d")))]
- "TARGET_DEBUG_C_MODE"
+ "TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"sltu\\t%0,%z2,%1\;xori\\t%0,%0,0x0001"
[(set_attr "type" "arith")
(set_attr "mode" "SI")
[(set (match_operand:SI 0 "register_operand" "")
(leu:SI (match_operand:SI 1 "register_operand" "")
(match_operand:SI 2 "register_operand" "")))]
- "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE"
+ "TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE && !TARGET_MIPS16"
[(set (match_dup 0)
(ltu:SI (match_dup 2)
(match_dup 1)))
[(set (match_operand:DI 0 "register_operand" "=d")
(leu:DI (match_operand:DI 1 "se_register_operand" "d")
(match_operand:DI 2 "se_register_operand" "d")))]
- "TARGET_64BIT && TARGET_DEBUG_C_MODE"
+ "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_MIPS16"
"sltu\\t%0,%z2,%1\;xori\\t%0,%0,0x0001"
[(set_attr "type" "arith")
(set_attr "mode" "DI")
[(set (match_operand:DI 0 "register_operand" "")
(leu:DI (match_operand:DI 1 "se_register_operand" "")
(match_operand:DI 2 "se_register_operand" "")))]
- "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE"
+ "TARGET_64BIT && TARGET_DEBUG_C_MODE && !TARGET_DEBUG_D_MODE
+ && !TARGET_MIPS16"
[(set (match_dup 0)
(ltu:DI (match_dup 2)
(match_dup 1)))
(define_insn "jump"
[(set (pc)
(label_ref (match_operand 0 "" "")))]
- ""
+ "!TARGET_MIPS16"
"*
{
if (GET_CODE (operands[0]) == REG)
(set_attr "mode" "none")
(set_attr "length" "1")])
+;; We need a different insn for the mips16, because a mips16 branch
+;; does not have a delay slot.
+
+(define_insn ""
+ [(set (pc)
+ (label_ref (match_operand 0 "" "")))]
+ "TARGET_MIPS16 && GET_CODE (operands[0]) != REG"
+ "b\\t%l0"
+ [(set_attr "type" "branch")
+ (set_attr "mode" "none")
+ (set_attr "length" "2")])
+
(define_expand "indirect_jump"
[(set (pc) (match_operand 0 "register_operand" "d"))]
""
if (operands[0]) /* eliminate unused code warnings */
{
+ if (TARGET_MIPS16)
+ {
+ if (GET_MODE (operands[0]) != HImode)
+ abort ();
+ if (!TARGET_LONG64)
+ emit_jump_insn (gen_tablejump_mips161 (operands[0], operands[1]));
+ else
+ emit_jump_insn (gen_tablejump_mips162 (operands[0], operands[1]));
+ DONE;
+ }
+
if (GET_MODE (operands[0]) != Pmode)
abort ();
""
"")
+(define_expand "tablejump_mips161"
+ [(set (pc) (plus:SI (sign_extend:SI
+ (match_operand:HI 0 "register_operand" "d"))
+ (label_ref:SI (match_operand:SI 1 "" ""))))]
+ "TARGET_MIPS16 && !TARGET_LONG64"
+ "
+{
+ if (operands[0]) /* eliminate unused code warnings. */
+ {
+ rtx t1, t2, t3;
+
+ t1 = gen_reg_rtx (SImode);
+ t2 = gen_reg_rtx (SImode);
+ t3 = gen_reg_rtx (SImode);
+ emit_insn (gen_extendhisi2 (t1, operands[0]));
+ emit_move_insn (t2, gen_rtx (LABEL_REF, SImode, operands[1]));
+ emit_insn (gen_addsi3 (t3, t1, t2));
+ emit_insn (gen_tablejump_internal1 (t3, operands[1]));
+ DONE;
+ }
+}")
+
+(define_expand "tablejump_mips162"
+ [(set (pc) (plus:DI (sign_extend:DI
+ (match_operand:HI 0 "register_operand" "d"))
+ (label_ref:DI (match_operand:SI 1 "" ""))))]
+ "TARGET_MIPS16 && TARGET_LONG64"
+ "
+{
+ if (operands[0]) /* eliminate unused code warnings. */
+ {
+ rtx t1, t2, t3;
+
+ t1 = gen_reg_rtx (DImode);
+ t2 = gen_reg_rtx (DImode);
+ t3 = gen_reg_rtx (DImode);
+ emit_insn (gen_extendhidi2 (t1, operands[0]));
+ emit_move_insn (t2, gen_rtx (LABEL_REF, DImode, operands[1]));
+ emit_insn (gen_adddi3 (t3, t1, t2));
+ emit_insn (gen_tablejump_internal2 (t3, operands[1]));
+ DONE;
+ }
+}")
+
;;; Make sure that this only matches the insn before ADDR_DIFF_VEC. Otherwise
;;; it is not valid.
(set_attr "mode" "none")
(set_attr "length" "1")])
-;; Function return, only allow after optimization, so that we can
-;; eliminate jumps to jumps if no stack space is used.
-
-;; (define_expand "return"
-;; [(set (pc) (reg:SI 31))]
-;; "simple_epilogue_p ()"
-;; "")
-
-(define_expand "return"
- [(parallel [(return)
- (use (reg:SI 31))])]
- "simple_epilogue_p ()"
- "")
-
-(define_insn "return_internal"
- [(parallel [(return)
- (use (match_operand:SI 0 "register_operand" "d"))])]
- ""
- "%*j\\t%0"
- [(set_attr "type" "jump")
- (set_attr "mode" "none")
- (set_attr "length" "1")])
-
;; Implement a switch statement when generating embedded PIC code.
;; Switches are implemented by `tablejump' when not using -membedded-pic.
(set_attr "mode" "none")
(set_attr "length" "6")])
+;; ??? This is a hack to work around a problem with expand_builtin_setjmp.
+;; It restores the frame pointer, and then does a call to restore the global
+;; pointer (gp) register. The call insn implicitly (via the assembler) reloads
+;; gp from the stack. However, call insns do not depend on $fp, so it is
+;; possible for the instruction scheduler to move the fp restore after the
+;; call, which then causes gp to be corrupted. We fix this by emitting a
+;; scheduler barrier. A better fix is to put code here that restores the
+;; $gp, and then the call is unnecessary. This is only a problem when PIC
+;; (TARGET_ABICALLS), and only when the gp register is caller-saved
+;; (irix5/o32, but not irix6/n32/n64).
+
+(define_expand "nonlocal_goto_receiver"
+ [(const_int 0)]
+ ""
+ "
+{
+ emit_insn (gen_blockage ());
+}")
+
+;; For n32/n64, we need to restore gp after a builtin setjmp. We do this
+;; by making use of the fact that we've just called __dummy.
+
+(define_expand "builtin_setjmp_receiver"
+ [(const_int 0)]
+ "TARGET_ABICALLS && mips_abi != ABI_32"
+ "
+{
+ emit_insn (gen_loadgp (gen_rtx (SYMBOL_REF, Pmode, \"__dummy\")));
+ emit_insn (gen_blockage ());
+}")
\f
;;
;; ....................
(set_attr "mode" "none")
(set_attr "length" "0")])
-;; At present, don't expand the epilogue, reorg.c will clobber the
-;; return register in compiling gen_lowpart (emit-rtl.c).
-;;
-;; (define_expand "epilogue"
-;; [(const_int 2)]
-;; ""
-;; "
-;; {
-;; if (mips_isa >= 0) /* avoid unused code warnings */
-;; {
-;; mips_expand_epilogue ();
-;; DONE;
-;; }
-;; }")
+(define_expand "epilogue"
+ [(const_int 2)]
+ ""
+ "
+{
+ if (mips_isa >= 0) /* avoid unused code warnings */
+ {
+ mips_expand_epilogue ();
+ DONE;
+ }
+}")
+
+;; Trivial return. Make it look like a normal return insn as that
+;; allows jump optimizations to work better .
+(define_insn "return"
+ [(return)]
+ "mips_can_use_return_insn ()"
+ "%*j\\t$31"
+ [(set_attr "type" "jump")
+ (set_attr "mode" "none")
+ (set_attr "length" "1")])
+;; Normal return.
+;; We match any mode for the return address, so that this will work with
+;; both 32 bit and 64 bit targets.
+(define_insn "return_internal"
+ [(use (match_operand 0 "register_operand" ""))
+ (return)]
+ ""
+ "*
+{
+ return \"%*j\\t%0\";
+}"
+ [(set_attr "type" "jump")
+ (set_attr "mode" "none")
+ (set_attr "length" "1")])
+
;; When generating embedded PIC code we need to get the address of the
;; current function. This specialized instruction does just that.
emit_insn (RTVEC_ELT (adjust, i));
}
+ if (TARGET_MIPS16
+ && mips16_hard_float
+ && operands[2] != 0
+ && (int) GET_MODE (operands[2]) != 0)
+ {
+ if (build_mips16_call_stub (NULL_RTX, operands[0], operands[1],
+ (int) GET_MODE (operands[2])))
+ DONE;
+ }
+
emit_call_insn (gen_call_internal0 (operands[0], operands[1],
gen_rtx (REG, SImode, GP_REG_FIRST + 31)));
+
DONE;
}
}")
""
"")
+;; We need to recognize reg:SI 31 specially for the mips16, because we
+;; don't have a constraint letter for it.
+
+(define_insn ""
+ [(call (mem (match_operand 0 "call_insn_operand" "ei"))
+ (match_operand 1 "" "i"))
+ (clobber (match_operand:SI 2 "register_operand" "=y"))]
+ "TARGET_MIPS16 && !TARGET_ABICALLS && !TARGET_LONG_CALLS
+ && GET_CODE (operands[2]) == REG && REGNO (operands[2]) == 31"
+ "%*jal\\t%0"
+ [(set_attr "type" "call")
+ (set_attr "mode" "none")
+ (set_attr "length" "2")])
+
(define_insn "call_internal1"
[(call (mem (match_operand 0 "call_insn_operand" "ri"))
(match_operand 1 "" "i"))
emit_insn (RTVEC_ELT (adjust, i));
}
+ if (TARGET_MIPS16
+ && mips16_hard_float
+ && ((operands[3] != 0
+ && (int) GET_MODE (operands[3]) != 0)
+ || GET_MODE_CLASS (GET_MODE (operands[0])) == MODE_FLOAT))
+ {
+ if (build_mips16_call_stub (operands[0], operands[1], operands[2],
+ (operands[3] == 0 ? 0
+ : (int) GET_MODE (operands[3]))))
+ DONE;
+ }
+
/* Handle Irix6 function calls that have multiple non-contiguous
results. */
if (GET_CODE (operands[0]) == PARALLEL && XVECLEN (operands[0], 0) > 1)
""
"")
+;; Recognize $31 specially on the mips16, because we don't have a
+;; constraint letter for it.
+
+(define_insn ""
+ [(set (match_operand 0 "register_operand" "=d")
+ (call (mem (match_operand 1 "call_insn_operand" "ei"))
+ (match_operand 2 "" "i")))
+ (clobber (match_operand:SI 3 "register_operand" "=y"))]
+ "TARGET_MIPS16 && !TARGET_ABICALLS && !TARGET_LONG_CALLS
+ && GET_CODE (operands[3]) == REG && REGNO (operands[3]) == 31"
+ "%*jal\\t%1"
+ [(set_attr "type" "call")
+ (set_attr "mode" "none")
+ (set_attr "length" "2")])
+
(define_insn "call_value_internal1"
[(set (match_operand 0 "register_operand" "=df")
(call (mem (match_operand 1 "call_insn_operand" "ri"))
gen_conditional_move (operands);
DONE;
}")
+\f
+;;
+;; ....................
+;;
+;; mips16 inline constant tables
+;;
+;; ....................
+;;
+
+(define_insn "consttable_qi"
+ [(unspec_volatile [(match_operand:QI 0 "consttable_operand" "=g")] 10)]
+ "TARGET_MIPS16"
+ "*
+{
+ assemble_integer (operands[0], 1, 1);
+ return \"\";
+}"
+ [(set_attr "type" "unknown")
+ (set_attr "mode" "QI")
+ (set_attr "length" "2")])
+
+(define_insn "consttable_hi"
+ [(unspec_volatile [(match_operand:HI 0 "consttable_operand" "=g")] 11)]
+ "TARGET_MIPS16"
+ "*
+{
+ assemble_integer (operands[0], 2, 1);
+ return \"\";
+}"
+ [(set_attr "type" "unknown")
+ (set_attr "mode" "HI")
+ (set_attr "length" "2")])
+
+(define_insn "consttable_si"
+ [(unspec_volatile [(match_operand:SI 0 "consttable_operand" "=g")] 12)]
+ "TARGET_MIPS16"
+ "*
+{
+ assemble_integer (operands[0], 4, 1);
+ return \"\";
+}"
+ [(set_attr "type" "unknown")
+ (set_attr "mode" "SI")
+ (set_attr "length" "2")])
+
+(define_insn "consttable_di"
+ [(unspec_volatile [(match_operand:DI 0 "consttable_operand" "=g")] 13)]
+ "TARGET_MIPS16"
+ "*
+{
+ assemble_integer (operands[0], 8, 1);
+ return \"\";
+}"
+ [(set_attr "type" "unknown")
+ (set_attr "mode" "DI")
+ (set_attr "length" "4")])
+
+(define_insn "consttable_sf"
+ [(unspec_volatile [(match_operand:SF 0 "consttable_operand" "=g")] 14)]
+ "TARGET_MIPS16"
+ "*
+{
+ union real_extract u;
+
+ if (GET_CODE (operands[0]) != CONST_DOUBLE)
+ abort ();
+ bcopy ((char *) &CONST_DOUBLE_LOW (operands[0]), (char *) &u, sizeof u);
+ assemble_real (u.d, SFmode);
+ return \"\";
+}"
+ [(set_attr "type" "unknown")
+ (set_attr "mode" "SF")
+ (set_attr "length" "2")])
+
+(define_insn "consttable_df"
+ [(unspec_volatile [(match_operand:DF 0 "consttable_operand" "=g")] 15)]
+ "TARGET_MIPS16"
+ "*
+{
+ union real_extract u;
+
+ if (GET_CODE (operands[0]) != CONST_DOUBLE)
+ abort ();
+ bcopy ((char *) &CONST_DOUBLE_LOW (operands[0]), (char *) &u, sizeof u);
+ assemble_real (u.d, DFmode);
+ return \"\";
+}"
+ [(set_attr "type" "unknown")
+ (set_attr "mode" "DF")
+ (set_attr "length" "4")])
+
+(define_insn "align_2"
+ [(unspec_volatile [(const_int 0)] 16)]
+ "TARGET_MIPS16"
+ ".align 1"
+ [(set_attr "type" "unknown")
+ (set_attr "mode" "HI")
+ (set_attr "length" "2")])
+
+(define_insn "align_4"
+ [(unspec_volatile [(const_int 0)] 17)]
+ "TARGET_MIPS16"
+ ".align 2"
+ [(set_attr "type" "unknown")
+ (set_attr "mode" "SI")
+ (set_attr "length" "2")])
+
+(define_insn "align_8"
+ [(unspec_volatile [(const_int 0)] 18)]
+ "TARGET_MIPS16"
+ ".align 3"
+ [(set_attr "type" "unknown")
+ (set_attr "mode" "DI")
+ (set_attr "length" "3")])
+\f
+;;
+;; ....................
+;;
+;; mips16 peepholes
+;;
+;; ....................
+;;
+
+;; On the mips16, reload will sometimes decide that a pseudo register
+;; should go into $24, and then later on have to reload that register.
+;; When that happens, we get a load of a general register followed by
+;; a move from the general register to $24 followed by a branch.
+;; These peepholes catch the common case, and fix it to just use the
+;; general register for the branch.
+
+(define_peephole
+ [(set (match_operand:SI 0 "register_operand" "=t")
+ (match_operand:SI 1 "register_operand" "d"))
+ (set (pc)
+ (if_then_else (match_operator:SI 2 "equality_op" [(match_dup 0)
+ (const_int 0)])
+ (match_operand 3 "pc_or_label_operand" "")
+ (match_operand 4 "pc_or_label_operand" "")))]
+ "TARGET_MIPS16
+ && GET_CODE (operands[0]) == REG
+ && REGNO (operands[0]) == 24
+ && dead_or_set_p (insn, operands[0])
+ && GET_CODE (operands[1]) == REG
+ && M16_REG_P (REGNO (operands[1]))"
+ "*
+{
+ if (operands[3] != pc_rtx)
+ return \"%*b%C2z\\t%1,%3\";
+ else
+ return \"%*b%N2z\\t%1,%4\";
+}"
+ [(set_attr "type" "branch")
+ (set_attr "mode" "none")
+ (set_attr "length" "2")])
+
+(define_peephole
+ [(set (match_operand:DI 0 "register_operand" "=t")
+ (match_operand:DI 1 "register_operand" "d"))
+ (set (pc)
+ (if_then_else (match_operator:DI 2 "equality_op" [(match_dup 0)
+ (const_int 0)])
+ (match_operand 3 "pc_or_label_operand" "")
+ (match_operand 4 "pc_or_label_operand" "")))]
+ "TARGET_MIPS16 && TARGET_64BIT
+ && GET_CODE (operands[0]) == REG
+ && REGNO (operands[0]) == 24
+ && dead_or_set_p (insn, operands[0])
+ && GET_CODE (operands[1]) == REG
+ && M16_REG_P (REGNO (operands[1]))"
+ "*
+{
+ if (operands[3] != pc_rtx)
+ return \"%*b%C2z\\t%1,%3\";
+ else
+ return \"%*b%N2z\\t%1,%4\";
+}"
+ [(set_attr "type" "branch")
+ (set_attr "mode" "none")
+ (set_attr "length" "2")])
+
+;; We can also have the reverse reload: reload will spill $24 into
+;; another register, and then do a branch on that register when it
+;; could have just stuck with $24.
+
+(define_peephole
+ [(set (match_operand:SI 0 "register_operand" "=d")
+ (match_operand:SI 1 "register_operand" "t"))
+ (set (pc)
+ (if_then_else (match_operator:SI 2 "equality_op" [(match_dup 0)
+ (const_int 0)])
+ (match_operand 3 "pc_or_label_operand" "")
+ (match_operand 4 "pc_or_label_operand" "")))]
+ "TARGET_MIPS16
+ && GET_CODE (operands[1]) == REG
+ && REGNO (operands[1]) == 24
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && dead_or_set_p (insn, operands[0])"
+ "*
+{
+ if (operands[3] != pc_rtx)
+ return \"%*bt%C2z\\t%3\";
+ else
+ return \"%*bt%N2z\\t%4\";
+}"
+ [(set_attr "type" "branch")
+ (set_attr "mode" "none")
+ (set_attr "length" "2")])
+
+(define_peephole
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (match_operand:DI 1 "register_operand" "t"))
+ (set (pc)
+ (if_then_else (match_operator:DI 2 "equality_op" [(match_dup 0)
+ (const_int 0)])
+ (match_operand 3 "pc_or_label_operand" "")
+ (match_operand 4 "pc_or_label_operand" "")))]
+ "TARGET_MIPS16 && TARGET_64BIT
+ && GET_CODE (operands[1]) == REG
+ && REGNO (operands[1]) == 24
+ && GET_CODE (operands[0]) == REG
+ && M16_REG_P (REGNO (operands[0]))
+ && dead_or_set_p (insn, operands[0])"
+ "*
+{
+ if (operands[3] != pc_rtx)
+ return \"%*bt%C2z\\t%3\";
+ else
+ return \"%*bt%N2z\\t%4\";
+}"
+ [(set_attr "type" "branch")
+ (set_attr "mode" "none")
+ (set_attr "length" "2")])
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