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* [Bug target/14996] New: ICE with Alpha builtin
@ 2004-04-17 18:08 falk at debian dot org
2004-04-17 20:14 ` [Bug target/14996] " pinskia at gcc dot gnu dot org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: falk at debian dot org @ 2004-04-17 18:08 UTC (permalink / raw)
To: gcc-bugs
% cat test.c
unsigned long f (void) {
return __builtin_alpha_inswl(0, 3);
}
% gcc -c test.c
test.c: In function `f':
test.c:3: error: unrecognizable insn:
(insn 8 19 9 0 (set (reg:DI 69 [ T.0 ])
(ashift:DI (zero_extend:DI (const_int 0 [0x0]))
(ashift:DI (const_int 3 [0x3])
(const_int 3 [0x3])))) -1 (nil)
(nil))
test.c:3: internal compiler error: in extract_insn, at recog.c:2068
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
This is not a regression, since the builtins are new in 3.4.
The problem is the illegal RTL of a zero extension of a constant. This is
exactly the same problem as in PR 10083. I'm not sure whether fixing it the
same way is a good idea since it would create lots of patterns, maybe somebody
has a better idea?
It would be nice if this could be fixed in a way that would completely fold the
constant, since this comes from code byte-swapping a constant magic value.
--
Summary: ICE with Alpha builtin
Product: gcc
Version: 3.4.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P2
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: falk at debian dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: alphaev68-unknown-linux-gnu
GCC host triplet: alphaev68-unknown-linux-gnu
GCC target triplet: alphaev68-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14996
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug target/14996] ICE with Alpha builtin 2004-04-17 18:08 [Bug target/14996] New: ICE with Alpha builtin falk at debian dot org @ 2004-04-17 20:14 ` pinskia at gcc dot gnu dot org 2004-04-17 20:15 ` falk at debian dot org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: pinskia at gcc dot gnu dot org @ 2004-04-17 20:14 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-04-17 17:52 ------- Maybe the suggestion of a target dependent version of fold_builtin? I think someone suggested this when fixinig the altivec bug. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14996 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/14996] ICE with Alpha builtin 2004-04-17 18:08 [Bug target/14996] New: ICE with Alpha builtin falk at debian dot org 2004-04-17 20:14 ` [Bug target/14996] " pinskia at gcc dot gnu dot org @ 2004-04-17 20:15 ` falk at debian dot org 2004-04-24 12:19 ` falk at debian dot org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: falk at debian dot org @ 2004-04-17 20:15 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From falk at debian dot org 2004-04-17 18:08 ------- Actually, it seems a simple hack like diff -u -p -r1.194.2.21 alpha.md --- alpha.md 26 Mar 2004 16:23:02 -0000 1.194.2.21 +++ alpha.md 17 Apr 2004 18:03:40 -0000 @@ -7201,7 +7201,7 @@ (define_expand "builtin_inswl" [(match_operand:DI 0 "register_operand" "") - (match_operand:DI 1 "reg_or_0_operand" "") + (match_operand:DI 1 "register_operand" "") (match_operand:DI 2 "reg_or_8bit_operand" "")] "" { will already suffice, since other constants work. It'll even get folded then. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14996 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/14996] ICE with Alpha builtin 2004-04-17 18:08 [Bug target/14996] New: ICE with Alpha builtin falk at debian dot org 2004-04-17 20:14 ` [Bug target/14996] " pinskia at gcc dot gnu dot org 2004-04-17 20:15 ` falk at debian dot org @ 2004-04-24 12:19 ` falk at debian dot org 2004-05-05 18:21 ` falk at debian dot org 2004-07-13 16:45 ` reichelt at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: falk at debian dot org @ 2004-04-24 12:19 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From falk at debian dot org 2004-04-24 11:40 ------- Testing a patch. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Ever Confirmed| |1 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14996 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/14996] ICE with Alpha builtin 2004-04-17 18:08 [Bug target/14996] New: ICE with Alpha builtin falk at debian dot org ` (2 preceding siblings ...) 2004-04-24 12:19 ` falk at debian dot org @ 2004-05-05 18:21 ` falk at debian dot org 2004-07-13 16:45 ` reichelt at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: falk at debian dot org @ 2004-05-05 18:21 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From falk at debian dot org 2004-05-05 18:21 ------- Fixed. -- What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14996 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/14996] ICE with Alpha builtin 2004-04-17 18:08 [Bug target/14996] New: ICE with Alpha builtin falk at debian dot org ` (3 preceding siblings ...) 2004-05-05 18:21 ` falk at debian dot org @ 2004-07-13 16:45 ` reichelt at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: reichelt at gcc dot gnu dot org @ 2004-07-13 16:45 UTC (permalink / raw) To: gcc-bugs -- What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |3.5.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14996 ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2004-07-13 16:45 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2004-04-17 18:08 [Bug target/14996] New: ICE with Alpha builtin falk at debian dot org 2004-04-17 20:14 ` [Bug target/14996] " pinskia at gcc dot gnu dot org 2004-04-17 20:15 ` falk at debian dot org 2004-04-24 12:19 ` falk at debian dot org 2004-05-05 18:21 ` falk at debian dot org 2004-07-13 16:45 ` reichelt at gcc dot gnu dot org
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