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(all movstri recognizers): Eliminate updating the pointers. 

From-SVN: r9855
This commit is contained in:
Richard Kenner 1995-05-31 20:50:20 -04:00
parent 35f456e397
commit 3c67b67326
1 changed files with 94 additions and 204 deletions
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298
gcc/config/rs6000/rs6000.md
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@ -4732,12 +4732,6 @@
(define_expand "movstrsi_8reg"
[(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
(mem:BLK (match_operand:SI 1 "register_operand" "")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))
(clobber (reg:SI 5))
@ -4748,22 +4742,16 @@
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 5 ""))])]
(clobber (match_scratch:SI 4 ""))])]
"TARGET_STRING"
"")
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
[(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
(mem:BLK (match_operand:SI 1 "register_operand" "b")))
(use (match_operand:SI 2 "immediate_operand" "i"))
(use (match_operand:SI 3 "immediate_operand" "i"))
(clobber (match_operand:SI 4 "register_operand" "=r"))
(clobber (reg:SI 6))
(clobber (reg:SI 7))
(clobber (reg:SI 8))
@ -4771,29 +4759,21 @@
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "=q,q"))]
(clobber (match_scratch:SI 5 "=q"))]
"TARGET_STRING && TARGET_POWER
&& ((INTVAL (operands[2]) > 24 && INTVAL (operands[2]) < 32) || INTVAL (operands[2]) == 0)
&& (REGNO (operands[0]) < 5 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 5 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 5"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
&& REGNO (operands[4]) == 5"
"{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
[(set_attr "length" "8")])
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
[(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
(mem:BLK (match_operand:SI 1 "register_operand" "b")))
(use (match_operand:SI 2 "immediate_operand" "i"))
(use (match_operand:SI 3 "immediate_operand" "i"))
(clobber (match_operand:SI 4 "register_operand" "=r"))
(clobber (reg:SI 6))
(clobber (reg:SI 7))
(clobber (reg:SI 8))
@ -4801,28 +4781,20 @@
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "X,X"))]
(clobber (match_scratch:SI 5 "X"))]
"TARGET_STRING && !TARGET_POWER
&& ((INTVAL (operands[2]) > 24 && INTVAL (operands[2]) < 32) || INTVAL (operands[2]) == 0)
&& (REGNO (operands[0]) < 5 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 5 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 5"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
&& REGNO (operands[4]) == 5"
"{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
[(set_attr "length" "8")])
;; Move up to 24 bytes at a time. The fixed registers are needed because the
;; register allocator doesn't have a clue about allocating 6 word registers
(define_expand "movstrsi_6reg"
[(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
(mem:BLK (match_operand:SI 1 "register_operand" "")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))
(clobber (reg:SI 7))
@ -4831,252 +4803,170 @@
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 5 ""))])]
(clobber (match_scratch:SI 4 ""))])]
"TARGET_STRING"
"")
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
[(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
(mem:BLK (match_operand:SI 1 "register_operand" "b")))
(use (match_operand:SI 2 "immediate_operand" "i"))
(use (match_operand:SI 3 "immediate_operand" "i"))
(clobber (match_operand:SI 4 "register_operand" "=r"))
(clobber (reg:SI 8))
(clobber (reg:SI 9))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "=q,q"))]
(clobber (match_scratch:SI 5 "=q"))]
"TARGET_STRING && TARGET_POWER
&& INTVAL (operands[2]) > 16 && INTVAL (operands[2]) <= 24
&& (REGNO (operands[0]) < 7 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 7 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 7"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
&& REGNO (operands[4]) == 7"
"{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
[(set_attr "length" "8")])
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
[(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
(mem:BLK (match_operand:SI 1 "register_operand" "b")))
(use (match_operand:SI 2 "immediate_operand" "i"))
(use (match_operand:SI 3 "immediate_operand" "i"))
(clobber (match_operand:SI 4 "register_operand" "=r"))
(clobber (reg:SI 8))
(clobber (reg:SI 9))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "X,X"))]
(clobber (match_scratch:SI 5 "X"))]
"TARGET_STRING && !TARGET_POWER
&& INTVAL (operands[2]) > 16 && INTVAL (operands[2]) <= 32
&& (REGNO (operands[0]) < 7 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 7 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 7"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
&& REGNO (operands[4]) == 7"
"{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
[(set_attr "length" "8")])
;; Move up to 16 bytes at a time, using 4 fixed registers to avoid spill problems
;; with TImode
(define_expand "movstrsi_4reg"
[(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
(mem:BLK (match_operand:SI 1 "register_operand" "")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))
(clobber (reg:SI 9))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 5 ""))])]
(clobber (match_scratch:SI 4 ""))])]
"TARGET_STRING"
"")
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
[(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
(mem:BLK (match_operand:SI 1 "register_operand" "b")))
(use (match_operand:SI 2 "immediate_operand" "i"))
(use (match_operand:SI 3 "immediate_operand" "i"))
(clobber (match_operand:SI 4 "register_operand" "=r"))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "=q,q"))]
(clobber (match_scratch:SI 5 "=q"))]
"TARGET_STRING && TARGET_POWER
&& INTVAL (operands[2]) > 8 && INTVAL (operands[2]) <= 16
&& (REGNO (operands[0]) < 9 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 9 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 9"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
&& REGNO (operands[4]) == 9"
"{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
[(set_attr "length" "8")])
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
[(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
(mem:BLK (match_operand:SI 1 "register_operand" "b")))
(use (match_operand:SI 2 "immediate_operand" "i"))
(use (match_operand:SI 3 "immediate_operand" "i"))
(clobber (match_operand:SI 4 "register_operand" "=r"))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "X,X"))]
(clobber (match_scratch:SI 5 "X"))]
"TARGET_STRING && !TARGET_POWER
&& INTVAL (operands[2]) > 8 && INTVAL (operands[2]) <= 16
&& (REGNO (operands[0]) < 9 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 9 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 9"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
&& REGNO (operands[4]) == 9"
"{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
[(set_attr "length" "8")])
;; Move up to 8 bytes at a time.
(define_expand "movstrsi_2reg"
[(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
(mem:BLK (match_operand:SI 1 "register_operand" "")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))
(clobber (match_scratch:DI 5 ""))
(clobber (match_scratch:SI 6 ""))])]
(clobber (match_scratch:DI 4 ""))
(clobber (match_scratch:SI 5 ""))])]
"TARGET_STRING && !TARGET_64BIT"
"")
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_scratch:DI 5 "=&r,&r"))
(clobber (match_scratch:SI 6 "=q,q"))]
[(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
(mem:BLK (match_operand:SI 1 "register_operand" "b")))
(use (match_operand:SI 2 "immediate_operand" "i"))
(use (match_operand:SI 3 "immediate_operand" "i"))
(clobber (match_scratch:DI 4 "=&r"))
(clobber (match_scratch:SI 5 "=q"))]
"TARGET_STRING && TARGET_POWER && !TARGET_64BIT
&& INTVAL (operands[2]) > 4 && INTVAL (operands[2]) <= 8"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
&& INTVAL (operands[2]) > 4 && INTVAL (operands[2]) <= 8"
"{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
[(set_attr "length" "8")])
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_scratch:DI 5 "=&r,&r"))
(clobber (match_scratch:SI 6 "X,X"))]
[(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
(mem:BLK (match_operand:SI 1 "register_operand" "b")))
(use (match_operand:SI 2 "immediate_operand" "i"))
(use (match_operand:SI 3 "immediate_operand" "i"))
(clobber (match_scratch:DI 4 "=&r"))
(clobber (match_scratch:SI 5 "X"))]
"TARGET_STRING && !TARGET_POWER && !TARGET_64BIT
&& INTVAL (operands[2]) > 4 && INTVAL (operands[2]) <= 8"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
"{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
[(set_attr "length" "8")])
;; Move up to 4 bytes at a time.
(define_expand "movstrsi_1reg"
[(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
(mem:BLK (match_operand:SI 1 "register_operand" "")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))
(clobber (match_scratch:SI 5 ""))
(clobber (match_scratch:SI 6 ""))])]
(clobber (match_scratch:SI 4 ""))
(clobber (match_scratch:SI 5 ""))])]
"TARGET_STRING"
"")
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_scratch:SI 5 "=&r,&r"))
(clobber (match_scratch:SI 6 "=q,q"))]
[(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
(mem:BLK (match_operand:SI 1 "register_operand" "b")))
(use (match_operand:SI 2 "immediate_operand" "i"))
(use (match_operand:SI 3 "immediate_operand" "i"))
(clobber (match_scratch:SI 4 "=&r"))
(clobber (match_scratch:SI 5 "=q"))]
"TARGET_STRING && TARGET_POWER
&& INTVAL (operands[2]) > 0 && INTVAL (operands[2]) <= 4"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
"{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
[(set_attr "length" "8")])
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_scratch:SI 5 "=&r,&r"))
(clobber (match_scratch:SI 6 "X,X"))]
[(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
(mem:BLK (match_operand:SI 1 "register_operand" "b")))
(use (match_operand:SI 2 "immediate_operand" "i"))
(use (match_operand:SI 3 "immediate_operand" "i"))
(clobber (match_scratch:SI 4 "=&r"))
(clobber (match_scratch:SI 5 "X"))]
"TARGET_STRING && !TARGET_POWER
&& INTVAL (operands[2]) > 0 && INTVAL (operands[2]) <= 4"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
"{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
[(set_attr "length" "8")])
;; Define insns that do load or store with update. Some of these we can