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authorRichard Stallman <rms@gnu.org>1992-09-20 07:25:26 +0000
committerRichard Stallman <rms@gnu.org>1992-09-20 07:25:26 +0000
commit3934c98b3078fb16e507cc9e7cae238a72756715 (patch)
tree90fd85f397dcf06fb301100623586286db5dabb7 /gcc
parentec35ef5057d8a75c3dc909f23e05a5d6f86dc066 (diff)
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Add comment in find_reloads.
From-SVN: r2187
Diffstat (limited to 'gcc')
-rw-r--r--gcc/reload.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/reload.c b/gcc/reload.c
index 69d0f31..aa9a642 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -2286,6 +2286,10 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p)
be a problem accessing the register in the outer mode. */
if (GET_CODE (operand) != REG
#ifdef BYTE_LOADS_ZERO_EXTEND
+ /* The comment below clearly does not match the code.
+ What the code below actually does is set force_reload
+ for a paradoxical subreg of a pseudo. rms and kenner
+ can't see the point of doing this. */
/* Nonparadoxical subreg of a pseudoreg.
Don't to load the full width if on this machine
we expected the fetch to zero-extend. */