From 564890c98537ee4637edba5c5c91287ec123cb99 Mon Sep 17 00:00:00 2001
From: Jim Wilson <wilson@gcc.gnu.org>
Date: Wed, 5 Jun 1996 17:19:36 -0700
Subject: [PATCH] (branch_true): Add comment about T-bit compares.

From-SVN: r12172
---
 gcc/config/sh/sh.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md
index 2d112adb03f..a5ec8b769ef 100644
--- a/gcc/config/sh/sh.md
+++ b/gcc/config/sh/sh.md
@@ -1483,6 +1483,10 @@
 ;; Define the real conditional branch instructions.
 ;; ------------------------------------------------------------------------
 
+;; ??? Branches should compare T-bit against zero not one, so that they will
+;; be in canonical form.  get_condition in loop.c for instance will fail
+;; with these patterns.
+
 (define_insn "branch_true"
   [(set (pc) (if_then_else (eq (reg:SI 18) (const_int 1))
 			   (label_ref (match_operand 0 "" ""))
-- 
2.30.2