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h8300.md: Remove bit test patterns that cannot be triggered.
* config/h8300/h8300.md: Remove bit test patterns that cannot be triggered. Restrict each bit test pattern to a variant on which the pattern is tested. From-SVN: r49247
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@ -1,3 +1,10 @@
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2002-01-26 Kazu Hirata <kazu@hxi.com>
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* config/h8300/h8300.md: Remove bit test patterns that cannot
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be triggered.
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Restrict each bit test pattern to a variant on which the
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pattern is tested.
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2002-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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* builtins.c (expand_builtin_strncat): Remove redundant check for
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@ -550,56 +550,39 @@
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;; TEST INSTRUCTIONS
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;; ----------------------------------------------------------------------
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(define_insn ""
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[(set (cc0) (zero_extract:QI (match_operand:QI 0 "bit_memory_operand" "r,U")
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(const_int 1)
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(match_operand:QI 1 "const_int_operand" "n,n")))]
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""
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"btst %Z1,%R0"
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[(set_attr "length" "2,8")
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(set_attr "cc" "set_zn,set_zn")])
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(define_insn ""
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[(set (cc0) (zero_extract:HI (match_operand:QI 0 "bit_memory_operand" "r,U")
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(const_int 1)
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(match_operand:QI 1 "const_int_operand" "n,n")))]
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""
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(match_operand 1 "const_int_operand" "n,n")))]
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"TARGET_H8300"
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"btst %Z1,%Y0"
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[(set_attr "length" "2,8")
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[(set_attr "length" "2,4")
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(set_attr "cc" "set_zn,set_zn")])
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(define_insn ""
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[(set (cc0) (zero_extract:SI (match_operand:QI 0 "bit_memory_operand" "r,U")
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(const_int 1)
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(match_operand:QI 1 "const_int_operand" "n,n")))]
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""
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"btst %Z1,%Y0"
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[(set_attr "length" "2,8")
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(set_attr "cc" "set_zn,set_zn")])
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(define_insn ""
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[(set (cc0) (zero_extract:QI (match_operand:HI 0 "register_operand" "r")
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(const_int 1)
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(match_operand:HI 1 "const_int_operand" "n")))]
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""
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"btst %Z1,%R0"
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[(set_attr "length" "2")
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(set_attr "cc" "set_zn")])
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(define_insn ""
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[(set (cc0) (zero_extract:HI (match_operand:HI 0 "register_operand" "r")
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(const_int 1)
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(match_operand:HI 1 "const_int_operand" "n")))]
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""
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(match_operand 1 "const_int_operand" "n")))]
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"TARGET_H8300"
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"btst %Z1,%Y0"
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[(set_attr "length" "2")
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(set_attr "cc" "set_zn")])
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(define_insn ""
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[(set (cc0) (zero_extract:SI (match_operand:HI 0 "register_operand" "r")
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[(set (cc0) (zero_extract:SI (match_operand:QI 0 "bit_memory_operand" "r,U")
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(const_int 1)
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(match_operand:HI 1 "const_int_operand" "n")))]
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""
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(match_operand 1 "const_int_operand" "n,n")))]
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"TARGET_H8300H || TARGET_H8300S"
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"btst %Z1,%Y0"
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[(set_attr "length" "2,8")
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(set_attr "cc" "set_zn,set_zn")])
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(define_insn ""
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[(set (cc0) (zero_extract:SI (match_operand:SI 0 "register_operand" "r")
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(const_int 1)
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(match_operand 1 "const_int_operand" "n")))]
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"(TARGET_H8300H || TARGET_H8300S)
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&& INTVAL (operands[1]) <= 15"
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"btst %Z1,%Y0"
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[(set_attr "length" "2")
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(set_attr "cc" "set_zn")])
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