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cmd/compile: introduce special ssa Aux type for calls

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This is prerequisite to moving call expansion later into SSA,
and probably a good idea anyway.  Passes tests.

This is the first minimal CL that does a 1-for-1 substitution
of *ssa.AuxCall for *obj.LSym.  Next step (next CL) is to make
this change for all calls so that additional information can
be stored in AuxCall.

Change-Id: Ia3a7715648fd9fb1a176850767a726e6f5b959eb
Reviewed-on: https://go-review.googlesource.com/c/go/+/237680
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
David Chase 2020-06-12 13:48:26 -04:00
parent 7ee35cb301
commit b4ef49e527
27 changed files with 164 additions and 123 deletions
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6
src/cmd/compile/internal/ssa/gen/RISCV64Ops.go
View file

@ -224,9 +224,9 @@ func init() {
{name: "MOVconvert", argLength: 2, reg: gp11, asm: "MOV"}, // arg0, but converted to int/ptr as appropriate; arg1=mem
// Calls
{name: "CALLstatic", argLength: 1, reg: call, aux: "SymOff", call: true, symEffect: "None"}, // call static function aux.(*gc.Sym). arg0=mem, auxint=argsize, returns mem
{name: "CALLclosure", argLength: 3, reg: callClosure, aux: "Int64", call: true}, // call function via closure. arg0=codeptr, arg1=closure, arg2=mem, auxint=argsize, returns mem
{name: "CALLinter", argLength: 2, reg: callInter, aux: "Int64", call: true}, // call fn by pointer. arg0=codeptr, arg1=mem, auxint=argsize, returns mem
{name: "CALLstatic", argLength: 1, reg: call, aux: "CallOff", call: true}, // call static function aux.(*gc.Sym). arg0=mem, auxint=argsize, returns mem
{name: "CALLclosure", argLength: 3, reg: callClosure, aux: "Int64", call: true}, // call function via closure. arg0=codeptr, arg1=closure, arg2=mem, auxint=argsize, returns mem
{name: "CALLinter", argLength: 2, reg: callInter, aux: "Int64", call: true}, // call fn by pointer. arg0=codeptr, arg1=mem, auxint=argsize, returns mem
// Generic moves and zeros