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cmd/internal/obj/loong64: remove Class C_LEXT and C_SEXT

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There is no need to check whether the symbol is empty, since we have already
checked it before. In addition, it is enough to use C_ADDR to represent memory
access, C_LEXT and C_SEXT are not needed.

Change-Id: I7158d6b549482b35cd9ac5fba781648fb3f21922
Reviewed-on: https://go-review.googlesource.com/c/go/+/565615
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Qiqi Huang <huangqiqi@loongson.cn>
This commit is contained in:
limeidan 2024-01-04 20:39:57 +08:00 • committed by Gopher Robot
parent 3214129a83
commit bd85a3b153
3 changed files with 13 additions and 57 deletions
Download patch file Download diff file Expand all files Collapse all files

52
src/cmd/internal/obj/loong64/asm.go
View file

@ -92,11 +92,6 @@ var optab = []Optab{
{AMOVF, C_FREG, C_NONE, C_NONE, C_FREG, C_NONE, 9, 4, 0, 0},
{AMOVD, C_FREG, C_NONE, C_NONE, C_FREG, C_NONE, 9, 4, 0, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_SEXT, C_NONE, 7, 4, 0, 0},
{AMOVWU, C_REG, C_NONE, C_NONE, C_SEXT, C_NONE, 7, 4, 0, 0},
{AMOVV, C_REG, C_NONE, C_NONE, C_SEXT, C_NONE, 7, 4, 0, 0},
{AMOVB, C_REG, C_NONE, C_NONE, C_SEXT, C_NONE, 7, 4, 0, 0},
{AMOVBU, C_REG, C_NONE, C_NONE, C_SEXT, C_NONE, 7, 4, 0, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_SAUTO, C_NONE, 7, 4, REGSP, 0},
{AMOVWU, C_REG, C_NONE, C_NONE, C_SAUTO, C_NONE, 7, 4, REGSP, 0},
{AMOVV, C_REG, C_NONE, C_NONE, C_SAUTO, C_NONE, 7, 4, REGSP, 0},
@ -110,11 +105,6 @@ var optab = []Optab{
{ASC, C_REG, C_NONE, C_NONE, C_SOREG, C_NONE, 7, 4, REGZERO, 0},
{ASCV, C_REG, C_NONE, C_NONE, C_SOREG, C_NONE, 7, 4, REGZERO, 0},
{AMOVW, C_SEXT, C_NONE, C_NONE, C_REG, C_NONE, 8, 4, 0, 0},
{AMOVWU, C_SEXT, C_NONE, C_NONE, C_REG, C_NONE, 8, 4, 0, 0},
{AMOVV, C_SEXT, C_NONE, C_NONE, C_REG, C_NONE, 8, 4, 0, 0},
{AMOVB, C_SEXT, C_NONE, C_NONE, C_REG, C_NONE, 8, 4, 0, 0},
{AMOVBU, C_SEXT, C_NONE, C_NONE, C_REG, C_NONE, 8, 4, 0, 0},
{AMOVW, C_SAUTO, C_NONE, C_NONE, C_REG, C_NONE, 8, 4, REGSP, 0},
{AMOVWU, C_SAUTO, C_NONE, C_NONE, C_REG, C_NONE, 8, 4, REGSP, 0},
{AMOVV, C_SAUTO, C_NONE, C_NONE, C_REG, C_NONE, 8, 4, REGSP, 0},
@ -128,11 +118,6 @@ var optab = []Optab{
{ALL, C_SOREG, C_NONE, C_NONE, C_REG, C_NONE, 8, 4, REGZERO, 0},
{ALLV, C_SOREG, C_NONE, C_NONE, C_REG, C_NONE, 8, 4, REGZERO, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_LEXT, C_NONE, 35, 12, 0, 0},
{AMOVWU, C_REG, C_NONE, C_NONE, C_LEXT, C_NONE, 35, 12, 0, 0},
{AMOVV, C_REG, C_NONE, C_NONE, C_LEXT, C_NONE, 35, 12, 0, 0},
{AMOVB, C_REG, C_NONE, C_NONE, C_LEXT, C_NONE, 35, 12, 0, 0},
{AMOVBU, C_REG, C_NONE, C_NONE, C_LEXT, C_NONE, 35, 12, 0, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_LAUTO, C_NONE, 35, 12, REGSP, 0},
{AMOVWU, C_REG, C_NONE, C_NONE, C_LAUTO, C_NONE, 35, 12, REGSP, 0},
{AMOVV, C_REG, C_NONE, C_NONE, C_LAUTO, C_NONE, 35, 12, REGSP, 0},
@ -155,11 +140,6 @@ var optab = []Optab{
{AMOVB, C_REG, C_NONE, C_NONE, C_TLS_LE, C_NONE, 53, 16, 0, 0},
{AMOVBU, C_REG, C_NONE, C_NONE, C_TLS_LE, C_NONE, 53, 16, 0, 0},
{AMOVW, C_LEXT, C_NONE, C_NONE, C_REG, C_NONE, 36, 12, 0, 0},
{AMOVWU, C_LEXT, C_NONE, C_NONE, C_REG, C_NONE, 36, 12, 0, 0},
{AMOVV, C_LEXT, C_NONE, C_NONE, C_REG, C_NONE, 36, 12, 0, 0},
{AMOVB, C_LEXT, C_NONE, C_NONE, C_REG, C_NONE, 36, 12, 0, 0},
{AMOVBU, C_LEXT, C_NONE, C_NONE, C_REG, C_NONE, 36, 12, 0, 0},
{AMOVW, C_LAUTO, C_NONE, C_NONE, C_REG, C_NONE, 36, 12, REGSP, 0},
{AMOVWU, C_LAUTO, C_NONE, C_NONE, C_REG, C_NONE, 36, 12, REGSP, 0},
{AMOVV, C_LAUTO, C_NONE, C_NONE, C_REG, C_NONE, 36, 12, REGSP, 0},
@ -251,17 +231,11 @@ var optab = []Optab{
{AJMP, C_NONE, C_NONE, C_NONE, C_ZOREG, C_NONE, 18, 4, REGZERO, 0}, // jirl r0, rj, 0
{AJAL, C_NONE, C_NONE, C_NONE, C_ZOREG, C_NONE, 18, 4, REGLINK, 0}, // jirl r1, rj, 0
{AMOVW, C_SEXT, C_NONE, C_NONE, C_FREG, C_NONE, 27, 4, 0, 0},
{AMOVF, C_SEXT, C_NONE, C_NONE, C_FREG, C_NONE, 27, 4, 0, 0},
{AMOVD, C_SEXT, C_NONE, C_NONE, C_FREG, C_NONE, 27, 4, 0, 0},
{AMOVF, C_SAUTO, C_NONE, C_NONE, C_FREG, C_NONE, 27, 4, REGSP, 0},
{AMOVD, C_SAUTO, C_NONE, C_NONE, C_FREG, C_NONE, 27, 4, REGSP, 0},
{AMOVF, C_SOREG, C_NONE, C_NONE, C_FREG, C_NONE, 27, 4, REGZERO, 0},
{AMOVD, C_SOREG, C_NONE, C_NONE, C_FREG, C_NONE, 27, 4, REGZERO, 0},
{AMOVW, C_LEXT, C_NONE, C_NONE, C_FREG, C_NONE, 27, 12, 0, 0},
{AMOVF, C_LEXT, C_NONE, C_NONE, C_FREG, C_NONE, 27, 12, 0, 0},
{AMOVD, C_LEXT, C_NONE, C_NONE, C_FREG, C_NONE, 27, 12, 0, 0},
{AMOVF, C_LAUTO, C_NONE, C_NONE, C_FREG, C_NONE, 27, 12, REGSP, 0},
{AMOVD, C_LAUTO, C_NONE, C_NONE, C_FREG, C_NONE, 27, 12, REGSP, 0},
{AMOVF, C_LOREG, C_NONE, C_NONE, C_FREG, C_NONE, 27, 12, REGZERO, 0},
@ -269,17 +243,11 @@ var optab = []Optab{
{AMOVF, C_ADDR, C_NONE, C_NONE, C_FREG, C_NONE, 51, 8, 0, 0},
{AMOVD, C_ADDR, C_NONE, C_NONE, C_FREG, C_NONE, 51, 8, 0, 0},
{AMOVW, C_FREG, C_NONE, C_NONE, C_SEXT, C_NONE, 28, 4, 0, 0},
{AMOVF, C_FREG, C_NONE, C_NONE, C_SEXT, C_NONE, 28, 4, 0, 0},
{AMOVD, C_FREG, C_NONE, C_NONE, C_SEXT, C_NONE, 28, 4, 0, 0},
{AMOVF, C_FREG, C_NONE, C_NONE, C_SAUTO, C_NONE, 28, 4, REGSP, 0},
{AMOVD, C_FREG, C_NONE, C_NONE, C_SAUTO, C_NONE, 28, 4, REGSP, 0},
{AMOVF, C_FREG, C_NONE, C_NONE, C_SOREG, C_NONE, 28, 4, REGZERO, 0},
{AMOVD, C_FREG, C_NONE, C_NONE, C_SOREG, C_NONE, 28, 4, REGZERO, 0},
{AMOVW, C_FREG, C_NONE, C_NONE, C_LEXT, C_NONE, 28, 12, 0, 0},
{AMOVF, C_FREG, C_NONE, C_NONE, C_LEXT, C_NONE, 28, 12, 0, 0},
{AMOVD, C_FREG, C_NONE, C_NONE, C_LEXT, C_NONE, 28, 12, 0, 0},
{AMOVF, C_FREG, C_NONE, C_NONE, C_LAUTO, C_NONE, 28, 12, REGSP, 0},
{AMOVD, C_FREG, C_NONE, C_NONE, C_LAUTO, C_NONE, 28, 12, REGSP, 0},
{AMOVF, C_FREG, C_NONE, C_NONE, C_LOREG, C_NONE, 28, 12, REGZERO, 0},
@ -661,17 +629,14 @@ func (c *ctxt0) aclass(a *obj.Addr) int {
break
}
c.instoffset = a.Offset
if a.Sym != nil { // use relocation
if a.Sym.Type == objabi.STLSBSS {
if c.ctxt.Flag_shared {
return C_TLS_IE
} else {
return C_TLS_LE
}
if a.Sym.Type == objabi.STLSBSS {
if c.ctxt.Flag_shared {
return C_TLS_IE
} else {
return C_TLS_LE
}
return C_ADDR
}
return C_LEXT
return C_ADDR
case obj.NAME_AUTO:
if a.Reg == REGSP {
@ -950,11 +915,6 @@ func cmp(a int, b int) bool {
return true
}
case C_LEXT:
if b == C_SEXT {
return true
}
case C_LAUTO:
if b == C_SAUTO {
return true