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Commit b6bb1d56 by Jan Hubicka Committed by Jan Hubicka
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* i386.md (xorqi_1_slp, xorqi_2_slp): New patterns. 

From-SVN: r54826
parent a8577242
Showing with 27 additions and 0 deletions
gcc/ChangeLog
Thu Jun 20 12:14:01 CEST 2002 Jan Hubicka <jh@suse.cz>
* i386.md (xorqi_1_slp, xorqi_2_slp): New patterns.
2002-05-20 Richard Henderson <rth@redhat.com>
* c-common.c (c_common_get_alias_set): Correctly handle characters.
......
gcc/config/i386/i386.md
......@@ -8830,6 +8830,16 @@
[(set_attr "type" "alu")
(set_attr "mode" "QI,QI,SI")])
(define_insn "*xorqi_1_slp"
[(set (strict_low_part (match_operand:QI 0 "nonimmediate_operand" "+qm,q"))
(xor:QI (match_dup 0)
(match_operand:QI 1 "general_operand" "qi,qmi")))
(clobber (reg:CC 17))]
"! TARGET_PARTIAL_REG_STALL || optimize_size"
"xor{b}\t{%1, %0|%0, %1}"
[(set_attr "type" "alu1")
(set_attr "mode" "QI")])
(define_insn "xorqi_ext_0"
[(set (zero_extract:SI (match_operand 0 "ext_register_operand" "=Q")
(const_int 8)
......@@ -8917,6 +8927,19 @@
[(set_attr "type" "alu")
(set_attr "mode" "QI")])
(define_insn "*xorqi_2_slp"
[(set (reg 17)
(compare (xor:QI (match_operand:QI 0 "nonimmediate_operand" "+q,qm")
(match_operand:QI 1 "general_operand" "qim,qi"))
(const_int 0)))
(set (strict_low_part (match_dup 0))
(xor:QI (match_dup 0) (match_dup 1)))]
"(! TARGET_PARTIAL_REG_STALL || optimize_size)
&& ix86_match_ccmode (insn, CCNOmode)"
"xor{b}\t{%1, %0|%0, %1}"
[(set_attr "type" "alu1")
(set_attr "mode" "QI")])
(define_insn "*xorqi_cc_2"
[(set (reg 17)
(compare
......
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