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From: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org,
Subject: Re: optimization/7702: [PATCH] Make reload-cse honor CANNOT_CHANGE_MODE_CLASS
Date: Sat, 15 Feb 2003 22:36:00 -0000 [thread overview]
Message-ID: <20030215223600.31142.qmail@sources.redhat.com> (raw)
The following reply was made to PR optimization/7702; it has been noted by GNATS.
From: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
To: Richard Henderson <rth@redhat.com>
Cc: gcc-patches@gcc.gnu.org, gcc-gnats@gcc.gnu.org
Subject: Re: optimization/7702: [PATCH] Make reload-cse honor CANNOT_CHANGE_MODE_CLASS
Date: 15 Feb 2003 23:30:31 +0100
--=-=-=
Falk Hueffner <falk.hueffner@student.uni-tuebingen.de> writes:
> Richard Henderson <rth@redhat.com> writes:
> > I'm fairly certain that the exact form of this macro was different
> > in both 3.3 and 3.2. Would you generate and test patches for these
> > branches?
>
> I have this patch for 3.2. I'll check out 3.3.
It needs the same patch as 3.4. I've attached it.
--
Falk
--=-=-=
Content-Type: text/x-patch
Content-Disposition: attachment; filename=reload-cse-3.3.patch
--- reload1.c~ 2003-02-15 23:27:30.000000000 +0100
+++ reload1.c 2003-02-15 23:26:29.000000000 +0100
@@ -8275,7 +8275,13 @@
{
#ifdef LOAD_EXTEND_OP
if (GET_MODE_BITSIZE (GET_MODE (SET_DEST (set))) < BITS_PER_WORD
- && extend_op != NIL)
+ && extend_op != NIL
+#ifdef CANNOT_CHANGE_MODE_CLASS
+ && !CANNOT_CHANGE_MODE_CLASS (GET_MODE (SET_DEST (set)),
+ word_mode,
+ REGNO_REG_CLASS (REGNO (SET_DEST (set))))
+#endif
+ )
{
rtx wide_dest = gen_rtx_REG (word_mode, REGNO (SET_DEST (set)));
ORIGINAL_REGNO (wide_dest) = ORIGINAL_REGNO (SET_DEST (set));
--=-=-=--
next reply other threads:[~2003-02-15 22:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-15 22:36 Falk Hueffner [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-02-14 22:36 Falk Hueffner
2003-02-14 22:36 Richard Henderson
2003-02-14 9:36 Falk Hueffner
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