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[dev.typeparams] cmd/compile: add ORECOVERFP, OGETCALLER{PC,SP} ops

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This CLs adds new frontend ops that will be used in the next CL. Split
out separately so generated code is less distracting in the main CL.

Change-Id: I66125e0ec2217bfa05f7b0ea0bc99ada13f563f7
Reviewed-on: https://go-review.googlesource.com/c/go/+/330191
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This commit is contained in:
Matthew Dempsky 2021-06-22 13:45:51 -07:00
parent 70f4ab6565
commit 9be8303df9
2 changed files with 64 additions and 58 deletions
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7
src/cmd/compile/internal/ir/node.go
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@ -237,6 +237,7 @@ const (
OSLICE3ARR // X[Low : High : Max] (X is pointer to array)
OSLICEHEADER // sliceheader{Ptr, Len, Cap} (Ptr is unsafe.Pointer, Len is length, Cap is capacity)
ORECOVER // recover()
ORECOVERFP // recover(Args) w/ explicit FP argument
ORECV // <-X
ORUNESTR // Type(X) (Type is string, X is rune)
OSELRECV2 // like OAS2: Lhs = Rhs where len(Lhs)=2, len(Rhs)=1, Rhs[0].Op = ORECV (appears as .Var of OCASE)
@ -318,8 +319,10 @@ const (
OLINKSYMOFFSET // offset within a name
// arch-specific opcodes
OTAILCALL // tail call to another function
OGETG // runtime.getg() (read g pointer)
OTAILCALL // tail call to another function
OGETG // runtime.getg() (read g pointer)
OGETCALLERPC // runtime.getcallerpc() (continuation PC in caller frame)
OGETCALLERSP // runtime.getcallersp() (stack pointer in caller frame)
OEND
)