From 494cb3be4a98653c212d673008085bc3ea70dc7e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Sun, 23 Sep 2018 13:13:35 +0200
Subject: beam_ssa_pre_codegen: Correct some comments
---
lib/compiler/src/beam_ssa_pre_codegen.erl | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
(limited to 'lib')
diff --git a/lib/compiler/src/beam_ssa_pre_codegen.erl b/lib/compiler/src/beam_ssa_pre_codegen.erl
index bc5609cd76..ca3b792ed6 100644
--- a/lib/compiler/src/beam_ssa_pre_codegen.erl
+++ b/lib/compiler/src/beam_ssa_pre_codegen.erl
@@ -23,11 +23,10 @@
%% it has been annotated and transformed to help the code generator.
%%
%% * Some instructions are translated to other instructions closer to
-%% the BEAM instructions. For example, the put_tuple instruction is
-%% broken apart into the put_tuple_arity and put_tuple_elements
-%% instructions. Similary, the binary matching instructions are
-%% transformed from the optimization-friendly internal format to
-%% instruction more similar to the actual BEAM instructions.
+%% the BEAM instructions. For example, the binary matching
+%% instructions are transformed from the optimization-friendly
+%% internal format to instruction more similar to the actual BEAM
+%% instructions.
%%
%% * Blocks that will need an instruction for allocating a stack frame
%% are annotated with a {frame_size,Size} annotation.
@@ -932,11 +931,11 @@ is_trap_bif(_, _, _) -> false.
%%% used during matching.
%%%
%%% Depending on where variables are defined and used, they must
-%%% be handling in two different ways.
+%%% be handled in two different ways.
%%%
%%% Variables that are always defined in the receive (before branching
%%% out into the different clauses of the receive) and used after the
-%%% receive, must be handled in the following way: Before each
+%%% receive must be handled in the following way: Before each
%%% remove_message instruction, each such variable must be copied, and
%%% all variables must be consolidated using a phi node in the
%%% common exit block for the receive.
@@ -1646,7 +1645,7 @@ update_live_phis(_, _, Live) -> Live.
%% reserve_yregs(St0) -> St.
%% In each block that allocates a stack frame, insert instructions
%% that copy variables that must be in Y registers (given by
-%% YRegisters) to new variables.
+%% the `yregs` annotation) to new variables.
%%
%% Also allocate specific Y registers for try and catch tags.
%% The outermost try/catch tag is placed in y0, any directly
--
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