cmd/internal/obj/wasm: refactor handling of wasm variables

This commit improves how registers get mapped to wasm variables. This is a preparation for future improvements (e.g. adding 32 bit float registers). Change-Id: I374c80b2d6c9bcce6b0e373fe921b5ad4dee40ff Reviewed-on: https://go-review.googlesource.com/c/go/+/191777 Run-TryBot: Richard Musiol <neelance@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
golang · Sep 5, 2019 · 547021d · 547021d
1 parent aae0b5b
commit 547021d
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Showing 3 changed files with 163 additions and 140 deletions.
diff --git a/src/cmd/internal/obj/wasm/a.out.go b/src/cmd/internal/obj/wasm/a.out.go
@@ -48,6 +48,12 @@ const (
 	ADrop // opcode 0x1A
 	ASelect
 
+	ALocalGet // opcode 0x20
+	ALocalSet
+	ALocalTee
+	AGlobalGet
+	AGlobalSet
+
 	AI32Load // opcode 0x28
 	AI64Load
 	AF32Load

diff --git a/src/cmd/internal/obj/wasm/anames.go b/src/cmd/internal/obj/wasm/anames.go