* Move compare peephole2 to a better place.
From-SVN: r163645
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66194a9876
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@ -17170,24 +17170,6 @@
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(set (reg:SI SP_REG) (plus:SI (reg:SI SP_REG) (const_int 4)))])]
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"")
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;; Convert compares with 1 to shorter inc/dec operations when CF is not
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;; required and register dies. Similarly for 128 to -128.
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(define_peephole2
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[(set (match_operand 0 "flags_reg_operand" "")
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(match_operator 1 "compare_operator"
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[(match_operand 2 "register_operand" "")
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(match_operand 3 "const_int_operand" "")]))]
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"(((!TARGET_FUSE_CMP_AND_BRANCH || optimize_insn_for_size_p ())
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&& incdec_operand (operands[3], GET_MODE (operands[3])))
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|| (!TARGET_FUSE_CMP_AND_BRANCH
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&& INTVAL (operands[3]) == 128))
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&& ix86_match_ccmode (insn, CCGCmode)
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&& peep2_reg_dead_p (1, operands[2])"
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[(parallel [(set (match_dup 0)
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(match_op_dup 1 [(match_dup 2) (match_dup 3)]))
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(clobber (match_dup 2))])]
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"")
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(define_peephole2
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[(match_scratch:DI 0 "r")
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(parallel [(set (reg:DI SP_REG) (plus:DI (reg:DI SP_REG) (const_int -8)))
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@ -17303,6 +17285,23 @@
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(set (reg:DI SP_REG) (plus:DI (reg:DI SP_REG) (const_int 8)))])]
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"")
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;; Convert compares with 1 to shorter inc/dec operations when CF is not
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;; required and register dies. Similarly for 128 to -128.
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(define_peephole2
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[(set (match_operand 0 "flags_reg_operand" "")
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(match_operator 1 "compare_operator"
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[(match_operand 2 "register_operand" "")
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(match_operand 3 "const_int_operand" "")]))]
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"(((!TARGET_FUSE_CMP_AND_BRANCH || optimize_insn_for_size_p ())
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&& incdec_operand (operands[3], GET_MODE (operands[3])))
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|| (!TARGET_FUSE_CMP_AND_BRANCH
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&& INTVAL (operands[3]) == 128))
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&& ix86_match_ccmode (insn, CCGCmode)
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&& peep2_reg_dead_p (1, operands[2])"
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[(parallel [(set (match_dup 0)
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(match_op_dup 1 [(match_dup 2) (match_dup 3)]))
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(clobber (match_dup 2))])])
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;; Convert imul by three, five and nine into lea
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(define_peephole2
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[(parallel
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