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cmd/internal/obj/loong64: merge two branch classes into one
When the kind of the operand is TYPE_BRANCH, we cannot determine whether it is a long branch or a short branch, so we merge these two classes into one. Change-Id: I7d7fa8f62ff02791ec3de4e3e3f7610bc9cb1743 Reviewed-on: https://go-review.googlesource.com/c/go/+/565626 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn> Reviewed-by: Qiqi Huang <huangqiqi@loongson.cn> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Reviewed-by: abner chenc <chenguoqi@loongson.cn> Reviewed-by: Michael Knyszek <mknyszek@google.com>
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@ -212,8 +212,7 @@ const (
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C_LACON // $n(REG) where int12 < n <= int32
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C_EXTADDR // external symbol address
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C_DACON // $n(REG) where int32 < n
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C_SBRA
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C_LBRA
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C_BRAN
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C_SAUTO
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C_LAUTO
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C_SEXT
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@ -240,13 +240,13 @@ var optab = []Optab{
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{ASYSCALL, C_NONE, C_NONE, C_NONE, C_NONE, C_NONE, 5, 4, 0, 0},
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{ASYSCALL, C_ANDCON, C_NONE, C_NONE, C_NONE, C_NONE, 5, 4, 0, 0},
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{ABEQ, C_REG, C_REG, C_NONE, C_SBRA, C_NONE, 6, 4, 0, 0},
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{ABEQ, C_REG, C_NONE, C_NONE, C_SBRA, C_NONE, 6, 4, 0, 0},
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{ABLEZ, C_REG, C_NONE, C_NONE, C_SBRA, C_NONE, 6, 4, 0, 0},
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{ABFPT, C_NONE, C_NONE, C_NONE, C_SBRA, C_NONE, 6, 4, 0, NOTUSETMP},
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{ABEQ, C_REG, C_REG, C_NONE, C_BRAN, C_NONE, 6, 4, 0, 0},
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{ABEQ, C_REG, C_NONE, C_NONE, C_BRAN, C_NONE, 6, 4, 0, 0},
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{ABLEZ, C_REG, C_NONE, C_NONE, C_BRAN, C_NONE, 6, 4, 0, 0},
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{ABFPT, C_NONE, C_NONE, C_NONE, C_BRAN, C_NONE, 6, 4, 0, NOTUSETMP},
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{AJMP, C_NONE, C_NONE, C_NONE, C_LBRA, C_NONE, 11, 4, 0, 0}, // b
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{AJAL, C_NONE, C_NONE, C_NONE, C_LBRA, C_NONE, 11, 4, 0, 0}, // bl
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{AJMP, C_NONE, C_NONE, C_NONE, C_BRAN, C_NONE, 11, 4, 0, 0}, // b
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{AJAL, C_NONE, C_NONE, C_NONE, C_BRAN, C_NONE, 11, 4, 0, 0}, // bl
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{AJMP, C_NONE, C_NONE, C_NONE, C_ZOREG, C_NONE, 18, 4, REGZERO, 0}, // jirl r0, rj, 0
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{AJAL, C_NONE, C_NONE, C_NONE, C_ZOREG, C_NONE, 18, 4, REGLINK, 0}, // jirl r1, rj, 0
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@ -331,8 +331,8 @@ var optab = []Optab{
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{obj.ANOP, C_DCON, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0}, // nop variants, see #40689
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{obj.ANOP, C_REG, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0},
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{obj.ANOP, C_FREG, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0},
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{obj.ADUFFZERO, C_NONE, C_NONE, C_NONE, C_LBRA, C_NONE, 11, 4, 0, 0}, // same as AJMP
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{obj.ADUFFCOPY, C_NONE, C_NONE, C_NONE, C_LBRA, C_NONE, 11, 4, 0, 0}, // same as AJMP
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{obj.ADUFFZERO, C_NONE, C_NONE, C_NONE, C_BRAN, C_NONE, 11, 4, 0, 0}, // same as AJMP
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{obj.ADUFFCOPY, C_NONE, C_NONE, C_NONE, C_BRAN, C_NONE, 11, 4, 0, 0}, // same as AJMP
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{obj.AXXX, C_NONE, C_NONE, C_NONE, C_NONE, C_NONE, 0, 4, 0, 0},
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}
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@ -807,7 +807,7 @@ func (c *ctxt0) aclass(a *obj.Addr) int {
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return C_LCON
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case obj.TYPE_BRANCH:
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return C_SBRA
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return C_BRAN
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}
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return C_GOK
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@ -950,11 +950,6 @@ func cmp(a int, b int) bool {
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return true
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}
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case C_LBRA:
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if b == C_SBRA {
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return true
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}
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case C_LEXT:
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if b == C_SEXT {
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return true
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@ -24,8 +24,7 @@ var cnames0 = []string{
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"LACON",
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"EXTADDR",
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"DACON",
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"SBRA",
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"LBRA",
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"BRAN",
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"SAUTO",
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"LAUTO",
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"SEXT",
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