From: DJ Delorie <dj@redhat.com>
To: "Ulrich Weigand" <uweigand@de.ibm.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: m32c support for named addr spaces branch
Date: Fri, 16 Oct 2009 22:05:00 -0000 [thread overview]
Message-ID: <200910162158.n9GLwKLb000655@greed.delorie.com> (raw)
In-Reply-To: <200910161328.n9GDS5SX011038@d12av02.megacenter.de.ibm.com> (uweigand@de.ibm.com)
Found it, bug in expr.c:
Index: expr.c
===================================================================
--- expr.c (revision 152895)
+++ expr.c (working copy)
@@ -4248,13 +4248,13 @@ expand_assignment (tree to, tree from, b
}
offset_rtx = expand_expr (offset, NULL_RTX, VOIDmode, EXPAND_SUM);
address_mode
= targetm.addr_space.address_mode (MEM_ADDR_SPACE (to_rtx));
if (GET_MODE (offset_rtx) != address_mode)
- offset_rtx = convert_to_mode (address_mode, offset_rtx, 0);
+ offset_rtx = convert_to_mode (address_mode, offset_rtx, POINTERS_EXTEND_UNSIGNED);
/* A constant address in TO_RTX can have VOIDmode, we must not try
to call force_reg for that case. Avoid that case. */
if (MEM_P (to_rtx)
&& GET_MODE (to_rtx) == BLKmode
&& GET_MODE (XEXP (to_rtx, 0)) != VOIDmode
M32c generates happy code now:
_lde_qi_array:
mov.w r1,a0 ; 2 movhi_op/3
mov.b _near_char_array[a0],r0l ; 11 movqi_op/7
lde.b r0l,_far_char_array[a0] ; 12 movqi_op/1
rts ; 18 epilogue_rts
next prev parent reply other threads:[~2009-10-16 21:58 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-15 4:17 DJ Delorie
2009-10-15 18:07 ` Ulrich Weigand
2009-10-15 18:11 ` DJ Delorie
2009-10-16 14:19 ` Ulrich Weigand
2009-10-16 18:22 ` DJ Delorie
2009-10-16 22:05 ` DJ Delorie [this message]
2009-10-19 14:28 ` Ulrich Weigand
2009-10-19 14:36 ` Richard Guenther
2009-10-19 17:45 ` Ulrich Weigand
2009-10-19 20:57 ` DJ Delorie
2009-10-20 9:27 ` Richard Guenther
2009-10-20 18:10 ` DJ Delorie
2009-10-21 10:20 ` Richard Guenther
2009-10-27 18:32 ` Ulrich Weigand
2009-10-28 11:29 ` Richard Guenther
2009-10-29 18:32 ` Fix PR tree-optimization/41857 (Re: m32c support for named addr spaces branch) Ulrich Weigand
2009-10-30 9:51 ` Richard Guenther
2009-11-02 9:38 ` Zdenek Dvorak
2009-11-16 20:07 ` [patch] Fix regression (Re: Fix PR tree-optimization/41857) Ulrich Weigand
2009-11-17 15:40 ` Richard Guenther
2009-11-17 16:03 ` Zdenek Dvorak
2009-11-17 16:14 ` Richard Guenther
2009-11-17 16:29 ` Zdenek Dvorak
2009-11-17 16:31 ` Richard Guenther
2009-11-17 16:51 ` Zdenek Dvorak
2009-10-30 15:55 ` m32c support for named addr spaces branch Ulrich Weigand
2009-10-16 23:57 ` DJ Delorie
2009-10-19 14:50 ` Ulrich Weigand
2009-10-29 18:37 ` [patch] Address-space-aware base registers (Re: m32c support for named addr spaces branch) Ulrich Weigand
2009-10-29 19:54 ` DJ Delorie
2009-10-29 20:18 ` DJ Delorie
2009-10-29 21:33 ` Ulrich Weigand
2009-10-29 22:50 ` DJ Delorie
2009-10-30 14:51 ` Ulrich Weigand
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