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Commit 15ac4ccf by Richard Sandiford Committed by Richard Sandiford
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mips.md (any_extend): New code macro. 

	* config/mips/mips.md (any_extend): New code macro.
	(u, su): New code attributes.
	({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
	({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
	({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
	(*{s,u}mul_acc_di): Redefine using any_extend.
	(*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
	to reflect real insn names.
	(*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
	with an any_extend template.
	({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
	Add '*' to name.

From-SVN: r86407
parent d46c971d
Showing with 113 additions and 276 deletions
gcc/ChangeLog
2004-08-23 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips.md (any_extend): New code macro.
(u, su): New code attributes.
({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
(*{s,u}mul_acc_di): Redefine using any_extend.
(*{,u}muls_di, *{s,u}msac_di): Likewise. Change names of patterns
to reflect real insn names.
(*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
with an any_extend template.
({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
Add '*' to name.
2004-08-23 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
* config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
(mul[sd]i3_r4000): Redefine using :GPR.
......
gcc/config/mips/mips.md
......@@ -307,6 +307,17 @@
(define_code_macro any_cond [unordered ordered unlt unge uneq ltgt unle ungt
eq ne gt ge lt le gtu geu ltu leu])
;; This code macro allows signed and unsigned widening multiplications
;; to use the same template.
(define_code_macro any_extend [sign_extend zero_extend])
;; <u> expands to an empty string when doing a signed operation and
;; "u" when doing an unsigned operation.
(define_code_attr u [(sign_extend "") (zero_extend "u")])
;; <su> is like <u>, but the signed form expands to "s" rather than "".
(define_code_attr su [(sign_extend "s") (zero_extend "u")])
;; .........................
;;
;; Branch, call and jump delay slots
......@@ -1297,12 +1308,11 @@
;; ??? We could define a mulditi3 pattern when TARGET_64BIT.
(define_expand "mulsidi3"
(define_expand "<u>mulsidi3"
[(parallel
[(set (match_operand:DI 0 "register_operand")
(mult:DI
(sign_extend:DI (match_operand:SI 1 "register_operand"))
(sign_extend:DI (match_operand:SI 2 "register_operand"))))
(mult:DI (any_extend:DI (match_operand:SI 1 "register_operand"))
(any_extend:DI (match_operand:SI 2 "register_operand"))))
(clobber (scratch:DI))
(clobber (scratch:DI))
(clobber (scratch:DI))])]
......@@ -1311,30 +1321,28 @@
if (!TARGET_64BIT)
{
if (!TARGET_FIX_R4000)
emit_insn (gen_mulsidi3_32bit_internal (operands[0], operands[1],
emit_insn (gen_<u>mulsidi3_32bit_internal (operands[0], operands[1],
operands[2]));
else
emit_insn (gen_mulsidi3_32bit_r4000 (operands[0], operands[1],
emit_insn (gen_<u>mulsidi3_32bit_r4000 (operands[0], operands[1],
operands[2]));
DONE;
}
})
(define_insn "mulsidi3_32bit_internal"
(define_insn "<u>mulsidi3_32bit_internal"
[(set (match_operand:DI 0 "register_operand" "=x")
(mult:DI
(sign_extend:DI (match_operand:SI 1 "register_operand" "d"))
(sign_extend:DI (match_operand:SI 2 "register_operand" "d"))))]
(mult:DI (any_extend:DI (match_operand:SI 1 "register_operand" "d"))
(any_extend:DI (match_operand:SI 2 "register_operand" "d"))))]
"!TARGET_64BIT && !TARGET_FIX_R4000"
"mult\t%1,%2"
"mult<u>\t%1,%2"
[(set_attr "type" "imul")
(set_attr "mode" "SI")])
(define_insn "mulsidi3_32bit_r4000"
(define_insn "<u>mulsidi3_32bit_r4000"
[(set (match_operand:DI 0 "register_operand" "=d")
(mult:DI
(sign_extend:DI (match_operand:SI 1 "register_operand" "d"))
(sign_extend:DI (match_operand:SI 2 "register_operand" "d"))))
(mult:DI (any_extend:DI (match_operand:SI 1 "register_operand" "d"))
(any_extend:DI (match_operand:SI 2 "register_operand" "d"))))
(clobber (match_scratch:DI 3 "=x"))]
"!TARGET_64BIT && TARGET_FIX_R4000"
"mult\t%1,%2\;mflo\t%L0;mfhi\t%M0"
......@@ -1342,40 +1350,37 @@
(set_attr "mode" "SI")
(set_attr "length" "12")])
(define_insn_and_split "*mulsidi3_64bit"
(define_insn_and_split "*<u>mulsidi3_64bit"
[(set (match_operand:DI 0 "register_operand" "=d")
(mult:DI (match_operator:DI 1 "extend_operator"
[(match_operand:SI 3 "register_operand" "d")])
(match_operator:DI 2 "extend_operator"
[(match_operand:SI 4 "register_operand" "d")])))
(clobber (match_scratch:DI 5 "=l"))
(clobber (match_scratch:DI 6 "=h"))
(clobber (match_scratch:DI 7 "=d"))]
"TARGET_64BIT && !TARGET_FIX_R4000
&& GET_CODE (operands[1]) == GET_CODE (operands[2])"
(mult:DI (any_extend:DI (match_operand:SI 1 "register_operand" "d"))
(any_extend:DI (match_operand:SI 2 "register_operand" "d"))))
(clobber (match_scratch:DI 3 "=l"))
(clobber (match_scratch:DI 4 "=h"))
(clobber (match_scratch:DI 5 "=d"))]
"TARGET_64BIT && !TARGET_FIX_R4000"
"#"
"&& reload_completed"
[(parallel
[(set (match_dup 5)
[(set (match_dup 3)
(sign_extend:DI
(mult:SI (match_dup 3)
(match_dup 4))))
(set (match_dup 6)
(mult:SI (match_dup 1)
(match_dup 2))))
(set (match_dup 4)
(ashiftrt:DI
(mult:DI (match_dup 1)
(match_dup 2))
(mult:DI (any_extend:DI (match_dup 1))
(any_extend:DI (match_dup 2)))
(const_int 32)))])
;; OP7 <- LO, OP0 <- HI
(set (match_dup 7) (unspec:DI [(match_dup 5) (match_dup 6)] UNSPEC_MFHILO))
(set (match_dup 0) (unspec:DI [(match_dup 6) (match_dup 5)] UNSPEC_MFHILO))
;; OP5 <- LO, OP0 <- HI
(set (match_dup 5) (unspec:DI [(match_dup 3) (match_dup 4)] UNSPEC_MFHILO))
(set (match_dup 0) (unspec:DI [(match_dup 4) (match_dup 3)] UNSPEC_MFHILO))
;; Zero-extend OP7.
(set (match_dup 7)
(ashift:DI (match_dup 7)
;; Zero-extend OP5.
(set (match_dup 5)
(ashift:DI (match_dup 5)
(const_int 32)))
(set (match_dup 7)
(lshiftrt:DI (match_dup 7)
(set (match_dup 5)
(lshiftrt:DI (match_dup 5)
(const_int 32)))
;; Shift OP0 into place.
......@@ -1386,305 +1391,143 @@
;; OR the two halves together
(set (match_dup 0)
(ior:DI (match_dup 0)
(match_dup 7)))]
(match_dup 5)))]
""
[(set_attr "type" "imul")
(set_attr "mode" "SI")
(set_attr "length" "24")])
(define_insn "*mulsidi3_64bit_parts"
(define_insn "*<u>mulsidi3_64bit_parts"
[(set (match_operand:DI 0 "register_operand" "=l")
(sign_extend:DI
(mult:SI (match_operand:SI 2 "register_operand" "d")
(match_operand:SI 3 "register_operand" "d"))))
(set (match_operand:DI 1 "register_operand" "=h")
(ashiftrt:DI
(mult:DI
(match_operator:DI 4 "extend_operator" [(match_dup 2)])
(match_operator:DI 5 "extend_operator" [(match_dup 3)]))
(mult:DI (any_extend:DI (match_dup 2))
(any_extend:DI (match_dup 3)))
(const_int 32)))]
"TARGET_64BIT && !TARGET_FIX_R4000
&& GET_CODE (operands[4]) == GET_CODE (operands[5])"
{
if (GET_CODE (operands[4]) == SIGN_EXTEND)
return "mult\t%2,%3";
else
return "multu\t%2,%3";
}
[(set_attr "type" "imul")
(set_attr "mode" "SI")])
(define_expand "umulsidi3"
[(parallel
[(set (match_operand:DI 0 "register_operand")
(mult:DI
(zero_extend:DI (match_operand:SI 1 "register_operand"))
(zero_extend:DI (match_operand:SI 2 "register_operand"))))
(clobber (scratch:DI))
(clobber (scratch:DI))
(clobber (scratch:DI))])]
"!TARGET_64BIT || !TARGET_FIX_R4000"
{
if (!TARGET_64BIT)
{
if (!TARGET_FIX_R4000)
emit_insn (gen_umulsidi3_32bit_internal (operands[0], operands[1],
operands[2]));
else
emit_insn (gen_umulsidi3_32bit_r4000 (operands[0], operands[1],
operands[2]));
DONE;
}
})
(define_insn "umulsidi3_32bit_internal"
[(set (match_operand:DI 0 "register_operand" "=x")
(mult:DI
(zero_extend:DI (match_operand:SI 1 "register_operand" "d"))
(zero_extend:DI (match_operand:SI 2 "register_operand" "d"))))]
"!TARGET_64BIT && !TARGET_FIX_R4000"
"multu\t%1,%2"
"TARGET_64BIT && !TARGET_FIX_R4000"
"mult<u>\t%2,%3"
[(set_attr "type" "imul")
(set_attr "mode" "SI")])
(define_insn "umulsidi3_32bit_r4000"
[(set (match_operand:DI 0 "register_operand" "=d")
(mult:DI
(zero_extend:DI (match_operand:SI 1 "register_operand" "d"))
(zero_extend:DI (match_operand:SI 2 "register_operand" "d"))))
(clobber (match_scratch:DI 3 "=x"))]
"!TARGET_64BIT && TARGET_FIX_R4000"
"multu\t%1,%2\;mflo\t%L0;mfhi\t%M0"
[(set_attr "type" "imul")
(set_attr "mode" "SI")
(set_attr "length" "12")])
;; Widening multiply with negation.
(define_insn "*muls_di"
[(set (match_operand:DI 0 "register_operand" "=x")
(neg:DI
(mult:DI
(sign_extend:DI (match_operand:SI 1 "register_operand" "d"))
(sign_extend:DI (match_operand:SI 2 "register_operand" "d")))))]
"!TARGET_64BIT && ISA_HAS_MULS"
"muls\t$0,%1,%2"
[(set_attr "type" "imul")
(set_attr "length" "4")
(set_attr "mode" "SI")])
(define_insn "*umuls_di"
(define_insn "*muls<u>_di"
[(set (match_operand:DI 0 "register_operand" "=x")
(neg:DI
(mult:DI
(zero_extend:DI (match_operand:SI 1 "register_operand" "d"))
(zero_extend:DI (match_operand:SI 2 "register_operand" "d")))))]
(any_extend:DI (match_operand:SI 1 "register_operand" "d"))
(any_extend:DI (match_operand:SI 2 "register_operand" "d")))))]
"!TARGET_64BIT && ISA_HAS_MULS"
"mulsu\t$0,%1,%2"
"muls<u>\t$0,%1,%2"
[(set_attr "type" "imul")
(set_attr "length" "4")
(set_attr "mode" "SI")])
(define_insn "*smsac_di"
(define_insn "*msac<u>_di"
[(set (match_operand:DI 0 "register_operand" "=x")
(minus:DI
(match_operand:DI 3 "register_operand" "0")
(mult:DI
(sign_extend:DI (match_operand:SI 1 "register_operand" "d"))
(sign_extend:DI (match_operand:SI 2 "register_operand" "d")))))]
(any_extend:DI (match_operand:SI 1 "register_operand" "d"))
(any_extend:DI (match_operand:SI 2 "register_operand" "d")))))]
"!TARGET_64BIT && ISA_HAS_MSAC"
{
if (TARGET_MIPS5500)
return "msub\t%1,%2";
return "msub<u>\t%1,%2";
else
return "msac\t$0,%1,%2";
return "msac<u>\t$0,%1,%2";
}
[(set_attr "type" "imadd")
(set_attr "length" "4")
(set_attr "mode" "SI")])
(define_insn "*umsac_di"
[(set (match_operand:DI 0 "register_operand" "=x")
(minus:DI
(match_operand:DI 3 "register_operand" "0")
(mult:DI
(zero_extend:DI (match_operand:SI 1 "register_operand" "d"))
(zero_extend:DI (match_operand:SI 2 "register_operand" "d")))))]
"!TARGET_64BIT && ISA_HAS_MSAC"
{
if (TARGET_MIPS5500)
return "msubu\t%1,%2";
else
return "msacu\t$0,%1,%2";
}
[(set_attr "type" "imadd")
(set_attr "length" "4")
(set_attr "mode" "SI")])
;; _highpart patterns
(define_expand "umulsi3_highpart"
[(set (match_operand:SI 0 "register_operand")
(truncate:SI
(lshiftrt:DI
(mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand"))
(zero_extend:DI (match_operand:SI 2 "register_operand")))
(const_int 32))))]
"ISA_HAS_MULHI || !TARGET_FIX_R4000"
{
if (ISA_HAS_MULHI)
emit_insn (gen_umulsi3_highpart_mulhi_internal (operands[0], operands[1],
operands[2]));
else
emit_insn (gen_umulsi3_highpart_internal (operands[0], operands[1],
operands[2]));
DONE;
})
(define_insn "umulsi3_highpart_internal"
[(set (match_operand:SI 0 "register_operand" "=h")
(truncate:SI
(lshiftrt:DI
(mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "d"))
(zero_extend:DI (match_operand:SI 2 "register_operand" "d")))
(const_int 32))))
(clobber (match_scratch:SI 3 "=l"))]
"!ISA_HAS_MULHI && !TARGET_FIX_R4000"
"multu\t%1,%2"
[(set_attr "type" "imul")
(set_attr "mode" "SI")
(set_attr "length" "4")])
(define_insn "umulsi3_highpart_mulhi_internal"
[(set (match_operand:SI 0 "register_operand" "=h,d")
(truncate:SI
(lshiftrt:DI
(mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "d,d"))
(zero_extend:DI (match_operand:SI 2 "register_operand" "d,d")))
(const_int 32))))
(clobber (match_scratch:SI 3 "=l,l"))
(clobber (match_scratch:SI 4 "=X,h"))]
"ISA_HAS_MULHI"
"@
multu\t%1,%2
mulhiu\t%0,%1,%2"
[(set_attr "type" "imul")
(set_attr "mode" "SI")
(set_attr "length" "4")])
(define_insn "umulsi3_highpart_neg_mulhi_internal"
[(set (match_operand:SI 0 "register_operand" "=h,d")
(truncate:SI
(lshiftrt:DI
(neg:DI
(mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "d,d"))
(zero_extend:DI (match_operand:SI 2 "register_operand" "d,d"))))
(const_int 32))))
(clobber (match_scratch:SI 3 "=l,l"))
(clobber (match_scratch:SI 4 "=X,h"))]
"ISA_HAS_MULHI"
"@
mulshiu\t%.,%1,%2
mulshiu\t%0,%1,%2"
[(set_attr "type" "imul")
(set_attr "mode" "SI")
(set_attr "length" "4")])
(define_expand "smulsi3_highpart"
(define_expand "<su>mulsi3_highpart"
[(set (match_operand:SI 0 "register_operand")
(truncate:SI
(lshiftrt:DI
(mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand"))
(sign_extend:DI (match_operand:SI 2 "register_operand")))
(mult:DI (any_extend:DI (match_operand:SI 1 "register_operand"))
(any_extend:DI (match_operand:SI 2 "register_operand")))
(const_int 32))))]
"ISA_HAS_MULHI || !TARGET_FIX_R4000"
{
if (ISA_HAS_MULHI)
emit_insn (gen_smulsi3_highpart_mulhi_internal (operands[0], operands[1],
emit_insn (gen_<su>mulsi3_highpart_mulhi_internal (operands[0],
operands[1],
operands[2]));
else
emit_insn (gen_smulsi3_highpart_internal (operands[0], operands[1],
emit_insn (gen_<su>mulsi3_highpart_internal (operands[0], operands[1],
operands[2]));
DONE;
})
(define_insn "smulsi3_highpart_internal"
(define_insn "<su>mulsi3_highpart_internal"
[(set (match_operand:SI 0 "register_operand" "=h")
(truncate:SI
(lshiftrt:DI
(mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "d"))
(sign_extend:DI (match_operand:SI 2 "register_operand" "d")))
(mult:DI (any_extend:DI (match_operand:SI 1 "register_operand" "d"))
(any_extend:DI (match_operand:SI 2 "register_operand" "d")))
(const_int 32))))
(clobber (match_scratch:SI 3 "=l"))]
"!ISA_HAS_MULHI && !TARGET_FIX_R4000"
"mult\t%1,%2"
"mult<u>\t%1,%2"
[(set_attr "type" "imul")
(set_attr "mode" "SI")
(set_attr "length" "4")])
(set_attr "mode" "SI")])
(define_insn "smulsi3_highpart_mulhi_internal"
(define_insn "<su>mulsi3_highpart_mulhi_internal"
[(set (match_operand:SI 0 "register_operand" "=h,d")
(truncate:SI
(lshiftrt:DI
(mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "d,d"))
(sign_extend:DI (match_operand:SI 2 "register_operand" "d,d")))
(mult:DI
(any_extend:DI (match_operand:SI 1 "register_operand" "d,d"))
(any_extend:DI (match_operand:SI 2 "register_operand" "d,d")))
(const_int 32))))
(clobber (match_scratch:SI 3 "=l,l"))
(clobber (match_scratch:SI 4 "=X,h"))]
"ISA_HAS_MULHI"
"@
mult\t%1,%2
mulhi\t%0,%1,%2"
mult<u>\t%1,%2
mulhi<u>\t%0,%1,%2"
[(set_attr "type" "imul")
(set_attr "mode" "SI")
(set_attr "length" "4")])
(set_attr "mode" "SI")])
(define_insn "smulsi3_highpart_neg_mulhi_internal"
(define_insn "*<su>mulsi3_highpart_neg_mulhi_internal"
[(set (match_operand:SI 0 "register_operand" "=h,d")
(truncate:SI
(lshiftrt:DI
(neg:DI
(mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "d,d"))
(sign_extend:DI (match_operand:SI 2 "register_operand" "d,d"))))
(mult:DI
(any_extend:DI (match_operand:SI 1 "register_operand" "d,d"))
(any_extend:DI (match_operand:SI 2 "register_operand" "d,d"))))
(const_int 32))))
(clobber (match_scratch:SI 3 "=l,l"))
(clobber (match_scratch:SI 4 "=X,h"))]
"ISA_HAS_MULHI"
"@
mulshi\t%.,%1,%2
mulshi\t%0,%1,%2"
mulshi<u>\t%.,%1,%2
mulshi<u>\t%0,%1,%2"
[(set_attr "type" "imul")
(set_attr "mode" "SI")])
(define_insn "smuldi3_highpart"
[(set (match_operand:DI 0 "register_operand" "=h")
(truncate:DI
(lshiftrt:TI
(mult:TI
(sign_extend:TI (match_operand:DI 1 "register_operand" "d"))
(sign_extend:TI (match_operand:DI 2 "register_operand" "d")))
(const_int 64))))
(clobber (match_scratch:DI 3 "=l"))]
"TARGET_64BIT && !TARGET_FIX_R4000"
"dmult\t%1,%2"
[(set_attr "type" "imul")
(set_attr "mode" "DI")])
;; Disable this pattern for -mfix-vr4120. This is for VR4120 errata MD(0),
;; which says that dmultu does not always produce the correct result.
(define_insn "umuldi3_highpart"
;; Disable unsigned multiplication for -mfix-vr4120. This is for VR4120
;; errata MD(0), which says that dmultu does not always produce the
;; correct result.
(define_insn "<su>muldi3_highpart"
[(set (match_operand:DI 0 "register_operand" "=h")
(truncate:DI
(lshiftrt:TI
(mult:TI
(zero_extend:TI (match_operand:DI 1 "register_operand" "d"))
(zero_extend:TI (match_operand:DI 2 "register_operand" "d")))
(any_extend:TI (match_operand:DI 1 "register_operand" "d"))
(any_extend:TI (match_operand:DI 2 "register_operand" "d")))
(const_int 64))))
(clobber (match_scratch:DI 3 "=l"))]
"TARGET_64BIT && !TARGET_FIX_R4000 && !TARGET_FIX_VR4120"
"dmultu\t%1,%2"
"TARGET_64BIT && !TARGET_FIX_R4000
&& !(<CODE> == ZERO_EXTEND && TARGET_FIX_VR4120)"
"dmult<u>\t%1,%2"
[(set_attr "type" "imul")
(set_attr "mode" "DI")])
;; The R4650 supports a 32 bit multiply/ 64 bit accumulate
;; instruction. The HI/LO registers are used as a 64 bit accumulator.
......@@ -1699,43 +1542,22 @@
[(set_attr "type" "imadd")
(set_attr "mode" "SI")])
(define_insn "*umul_acc_di"
(define_insn "*<su>mul_acc_di"
[(set (match_operand:DI 0 "register_operand" "=x")
(plus:DI
(mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "d"))
(zero_extend:DI (match_operand:SI 2 "register_operand" "d")))
(mult:DI (any_extend:DI (match_operand:SI 1 "register_operand" "d"))
(any_extend:DI (match_operand:SI 2 "register_operand" "d")))
(match_operand:DI 3 "register_operand" "0")))]
"(TARGET_MAD || ISA_HAS_MACC)
&& !TARGET_64BIT"
{
if (TARGET_MAD)
return "madu\t%1,%2";
return "mad<u>\t%1,%2";
else if (TARGET_MIPS5500)
return "maddu\t%1,%2";
return "madd<u>\t%1,%2";
else
/* See comment in *macc. */
return "%[maccu\t%@,%1,%2%]";
}
[(set_attr "type" "imadd")
(set_attr "mode" "SI")])
(define_insn "*smul_acc_di"
[(set (match_operand:DI 0 "register_operand" "=x")
(plus:DI
(mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "d"))
(sign_extend:DI (match_operand:SI 2 "register_operand" "d")))
(match_operand:DI 3 "register_operand" "0")))]
"(TARGET_MAD || ISA_HAS_MACC)
&& !TARGET_64BIT"
{
if (TARGET_MAD)
return "mad\t%1,%2";
else if (TARGET_MIPS5500)
return "madd\t%1,%2";
else
/* See comment in *macc. */
return "%[macc\t%@,%1,%2%]";
return "%[macc<u>\t%@,%1,%2%]";
}
[(set_attr "type" "imadd")
(set_attr "mode" "SI")])
......
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