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Undo cvs entry 1.4 "Reorg sethi_{hi,si} patterns." and add comment why.

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From-SVN: r16080
This commit is contained in:
Doug Evans 1997-10-19 16:46:47 +00:00
parent 4a5121b59a
commit 200d7a3251
1 changed files with 18 additions and 16 deletions
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34
gcc/config/sparc/sparc.md
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@ -1479,22 +1479,6 @@
;; Esoteric move insns (lo_sum, high, pic).
(define_insn "*sethi_hi"
[(set (match_operand:HI 0 "register_operand" "=r")
(high:HI (match_operand 1 "" "")))]
"check_pic (1)"
"sethi %%hi(%a1),%0"
[(set_attr "type" "move")
(set_attr "length" "1")])
(define_insn "*sethi_si"
[(set (match_operand:SI 0 "register_operand" "=r")
(high:SI (match_operand 1 "" "")))]
"check_pic (1)"
"sethi %%hi(%a1),%0"
[(set_attr "type" "move")
(set_attr "length" "1")])
(define_insn "*lo_sum_si"
[(set (match_operand:SI 0 "register_operand" "=r")
(lo_sum:SI (match_operand:SI 1 "register_operand" "r")
@ -1617,6 +1601,24 @@
(const_int 2)
(const_int 5)))])
(define_insn "*sethi_hi"
[(set (match_operand:HI 0 "register_operand" "=r")
(high:HI (match_operand 1 "" "")))]
"check_pic (1)"
"sethi %%hi(%a1),%0"
[(set_attr "type" "move")
(set_attr "length" "1")])
;; This must appear after the PIC sethi so that the PIC unspec will not
;; be matched as part of the operand.
(define_insn "*sethi_si"
[(set (match_operand:SI 0 "register_operand" "=r")
(high:SI (match_operand 1 "" "")))]
"check_pic (1)"
"sethi %%hi(%a1),%0"
[(set_attr "type" "move")
(set_attr "length" "1")])
(define_insn "*lo_sum_di_sp32"
[(set (match_operand:DI 0 "register_operand" "=r")
(lo_sum:DI (match_operand:DI 1 "register_operand" "0")