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authorlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>1998-09-08 22:48:00 +0000
committerlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>1998-09-08 22:48:00 +0000
commitcbdc017940337ae6a50df770705b36177f2cc5a3 (patch)
treea7930603f421fd116223d1d3ca3b7b4b17fd34d2 /gcc/expr.c
parent9064ca85a4b3036c2df24300227d9fbfa5256c36 (diff)
downloadgcc-cbdc017940337ae6a50df770705b36177f2cc5a3.tar.gz
* expr.c: Corrected comment about what MOVE_RATIO does.
* config/alpha/alpha.h: Ditto. * config/1750a/1750a.h: Ditto. * config/clipper/clipper.h: Ditto. * config/i386/i386.h: Ditto. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@22339 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expr.c')
-rw-r--r--gcc/expr.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index 03901266ba0..dbf19ff102d 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -203,8 +203,8 @@ static rtx do_store_flag PROTO((tree, rtx, enum machine_mode, int));
static char direct_load[NUM_MACHINE_MODES];
static char direct_store[NUM_MACHINE_MODES];
-/* MOVE_RATIO is the number of move instructions that is better than
- a block move. */
+/* If a memory-to-memory move would take MOVE_RATIO or more simple
+ move-instruction sequences, we will do a movstr or libcall instead. */
#ifndef MOVE_RATIO
#if defined (HAVE_movstrqi) || defined (HAVE_movstrhi) || defined (HAVE_movstrsi) || defined (HAVE_movstrdi) || defined (HAVE_movstrti)