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(logical patterns): Tune to give better code for immediate values.

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From-SVN: r7476
This commit is contained in:
Torbjorn Granlund 1994-06-15 02:31:28 +00:00
parent e627f0b601
commit fe006562ba
1 changed files with 28 additions and 21 deletions
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49
gcc/config/a29k/a29k.md
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@ -102,12 +102,13 @@
andn %0,%1,%C2")
(define_insn ""
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(and:SI (not:SI (match_operand:SI 1 "srcb_operand" "rI"))
(match_operand:SI 2 "gpc_reg_operand" "r")))]
[(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")
(and:SI (not:SI (match_operand:SI 1 "gpc_reg_operand" "r,r"))
(match_operand:SI 2 "cmplsrcb_operand" "r,K")))]
""
"andn %0,%2,%1")
"@
andn %0,%2,%1
nor %0,%1,%C2")
;; CALLI
;;
@ -1196,7 +1197,7 @@
(define_insn ""
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(ior:SI (not:SI (match_operand:SI 1 "gpc_reg_operand" "%r"))
(not:SI (match_operand:SI 2 "srcb_operand" "rI"))))]
(not:SI (match_operand:SI 2 "gpc_reg_operand" "r"))))]
""
"nand %0,%1,%2")
@ -1204,24 +1205,18 @@
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(ior:SI (not:SI (match_operand:SI 1 "gpc_reg_operand" "r"))
(match_operand:SI 2 "const_int_operand" "K")))]
"((unsigned) ~ INTVAL (operands[2])) < 256"
; Match TARGET_29050 in "orn" pattern for slightly better reload.
"! TARGET_29050 && ((unsigned) ~ INTVAL (operands[2])) < 256"
"nand %0,%1,%C2")
;; NOR
(define_insn ""
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(and:SI (not:SI (match_operand:SI 1 "gpc_reg_operand" "%r"))
(not:SI (match_operand:SI 2 "srcb_operand" "rI"))))]
(not:SI (match_operand:SI 2 "gpc_reg_operand" "r"))))]
""
"nor %0,%1,%2")
(define_insn ""
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(and:SI (not:SI (match_operand:SI 1 "gpc_reg_operand" "r"))
(match_operand:SI 2 "const_int_operand" "K")))]
"((unsigned) ~ INTVAL (operands[2])) < 256"
"nor %0,%1,%C2")
(define_insn "one_cmplsi2"
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(not:SI (match_operand:SI 1 "gpc_reg_operand" "r")))]
@ -1246,12 +1241,21 @@
(define_insn ""
[(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")
(ior:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r")
(match_operand:SI 2 "srcb_operand" "rI,K")))]
(match_operand:SI 2 "and_operand" "rI,K")))]
"TARGET_29050"
"@
or %0,%1,%2
orn %0,%1,%C2")
(define_insn ""
[(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")
(ior:SI (not:SI (match_operand:SI 1 "gpc_reg_operand" "r,r"))
(match_operand:SI 2 "cmplsrcb_operand" "r,K")))]
"TARGET_29050"
"@
orn %0,%2,%1
nand %0,%1,%C2")
;; SLL (also used by move insn)
(define_insn "nop"
@ -1512,17 +1516,20 @@
(define_insn ""
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(not:SI (xor:SI (match_operand:SI 1 "gpc_reg_operand" "%r")
(match_operand:SI 2 "srcb_operand" "rI"))))]
(match_operand:SI 2 "gpc_reg_operand" "r"))))]
""
"xnor %0,%1,%2")
;; XOR
(define_insn "xorsi3"
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(xor:SI (match_operand:SI 1 "gpc_reg_operand" "%r")
(match_operand:SI 2 "srcb_operand" "rI")))]
[(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")
(xor:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r")
(match_operand:SI 2 "and_operand" "rI,K")))]
""
"xor %0,%1,%2")
"@
xor %0,%1,%2
xnor %0,%1,%C2")
;; Can use XOR to negate floating-point values, but we are better off not doing
;; it that way on the 29050 so it can combine with the fmac insns.