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authorRichard Stallman <rms@gnu.org>1992-09-11 02:01:46 +0000
committerRichard Stallman <rms@gnu.org>1992-09-11 02:01:46 +0000
commit92b170eee9289a0f3267900096a003656eebe623 (patch)
treed8d824457bee480e733f3625270c7e6499ed95ff /gcc
parent6f43c1574270007f27ed66cde3ea9679095d3334 (diff)
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Comment changes.
From-SVN: r2102
Diffstat (limited to 'gcc')
-rw-r--r--gcc/config/i860/i860.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/config/i860/i860.h b/gcc/config/i860/i860.h
index 847fc08..ee80e24 100644
--- a/gcc/config/i860/i860.h
+++ b/gcc/config/i860/i860.h
@@ -75,6 +75,12 @@ extern int target_flags;
/* Define this if most significant word of a multiword number is the lowest
numbered. */
/* For the i860 this goes with BYTES_BIG_ENDIAN. */
+/* NOTE: GCC probably cannot support a big-endian i860
+ because GCC fundamentally assumes that the order of words
+ in memory as the same as the order in registers.
+ That's not true for the big-endian i860.
+ The big-endian i860 isn't important enough to
+ justify the trouble of changing this assumption. */
#define WORDS_BIG_ENDIAN 0
/* number of bits in an addressable storage unit */