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cmd/internal/obj/loong64: add support for instructions FSCALEB{F/D} and FLOGB{F/D}
Go asm syntax: FSCALEB{F/D} FK, FJ, FD FLOGB{F/D} FJ, FD Equivalent platform assembler syntax: fscaleb.{s/d} fd, fj, fk flogb.{s/d} fd, fj Ref: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html Change-Id: I6cd75c7605adbb572dae86d6470ec7cf20ce0f6c Reviewed-on: https://go-review.googlesource.com/c/go/+/612975 Auto-Submit: abner chenc <chenguoqi@loongson.cn> Reviewed-by: Cherry Mui <cherryyz@google.com> Reviewed-by: Tim King <taking@google.com> Reviewed-by: Meidan Li <limeidan@loongson.cn> Reviewed-by: abner chenc <chenguoqi@loongson.cn> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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@ -351,3 +351,8 @@ lable2:
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BSTRPICKV $0, R4, $0, R5 // 8500c000
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BSTRPICKV $63, R4, $0, R5 // 8500ff00
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BSTRPICKV $15, R4, $6, R5 // 8518cf00
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FSCALEBF F4, F5, F6 // a6901001
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FSCALEBD F4, F5, F6 // a6101101
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FLOGBF F4, F5 // 85241401
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FLOGBD F4, F5 // 85281401
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@ -462,6 +462,10 @@ const (
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// 3.2.1.7
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AFCOPYSGF
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AFCOPYSGD
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AFSCALEBF
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AFSCALEBD
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AFLOGBF
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AFLOGBD
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// 3.2.1.8
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AFCLASSF
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@ -191,6 +191,10 @@ var Anames = []string{
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"FMAXD",
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"FCOPYSGF",
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"FCOPYSGD",
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"FSCALEBF",
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"FSCALEBD",
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"FLOGBF",
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"FLOGBD",
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"FCLASSF",
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"FCLASSD",
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"FFINTFW",
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@ -1042,6 +1042,8 @@ func buildop(ctxt *obj.Link) {
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opset(ASQRTD, r0)
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opset(AFCLASSF, r0)
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opset(AFCLASSD, r0)
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opset(AFLOGBF, r0)
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opset(AFLOGBD, r0)
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case AMOVVF:
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opset(AMOVVD, r0)
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@ -1096,6 +1098,8 @@ func buildop(ctxt *obj.Link) {
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opset(AFMAXD, r0)
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opset(AFCOPYSGF, r0)
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opset(AFCOPYSGD, r0)
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opset(AFSCALEBF, r0)
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opset(AFSCALEBD, r0)
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case AAND:
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opset(AOR, r0)
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@ -1969,6 +1973,10 @@ func (c *ctxt0) oprrr(a obj.As) uint32 {
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return 0x211 << 15 // fmax.s
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case AFMAXD:
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return 0x212 << 15 // fmax.d
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case AFSCALEBF:
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return 0x221 << 15 // fscaleb.s
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case AFSCALEBD:
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return 0x222 << 15 // fscaleb.d
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case AFCOPYSGF:
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return 0x225 << 15 // fcopysign.s
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case AFCOPYSGD:
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@ -2071,6 +2079,10 @@ func (c *ctxt0) oprr(a obj.As) uint32 {
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return 0x4511 << 10
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case ASQRTD:
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return 0x4512 << 10
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case AFLOGBF:
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return 0x4509 << 10 // flogb.s
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case AFLOGBD:
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return 0x450a << 10 // flogb.d
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case AFCLASSF:
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return 0x450d << 10 // fclass.s
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case AFCLASSD:
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