From: Keith Randall <khr@golang.org>
Date: Wed, 6 Jan 2016 00:30:08 +0000 (-0800)
Subject: [dev.ssa] cmd/compile: add some more TODOs
X-Git-Tag: go1.7beta1~1623^2^2~98
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=035fcc0c4d0354adb1a8c837035f4ef3426bb5ed;p=gostls13.git

[dev.ssa] cmd/compile: add some more TODOs

Change-Id: If8b6b85d2165d6222b36f101adb95b7ee40371c1
Reviewed-on: https://go-review.googlesource.com/18300
Reviewed-by: David Chase <drchase@google.com>
---

diff --git a/src/cmd/compile/internal/ssa/TODO b/src/cmd/compile/internal/ssa/TODO
index 73d91fefd7..d4904e1dcf 100644
--- a/src/cmd/compile/internal/ssa/TODO
+++ b/src/cmd/compile/internal/ssa/TODO
@@ -26,6 +26,15 @@ Optimizations (better compiled code)
   CMP AX, $0
   JEQ ...
 - Use better write barrier calls
+- If there are a lot of MOVQ $0, ..., then load
+  0 into a register and use the register as the source instead.
+- Allow structs (and arrays of length 1?) to be SSAable.
+- Figure out how to make PARAMOUT variables ssa-able.
+  They need to get spilled automatically at end-of-function somehow.
+- If strings are being passed around without being interpreted (ptr
+  and len feilds being accessed) pass them in xmm registers?
+  Same for interfaces?
+- boolean logic: movb/xorb$1/testb/jeq -> movb/testb/jne
 
 Optimizations (better compiler)
 -------------------------------