public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug target/53233] New: ICE in extract_insn, at recog.c:2103
@ 2012-05-04 17:57 gseanmcg at gmail dot com
2012-05-04 19:00 ` [Bug target/53233] " gseanmcg at gmail dot com
2012-07-31 17:47 ` gseanmcg at gmail dot com
0 siblings, 2 replies; 3+ messages in thread
From: gseanmcg at gmail dot com @ 2012-05-04 17:57 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53233
Bug #: 53233
Summary: ICE in extract_insn, at recog.c:2103
Classification: Unclassified
Product: gcc
Version: 4.5.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: gseanmcg@gmail.com
The following error occurs when attempting to compile LibAV
(http://www.libav.org) with -mcpu=power7 on gcc 4.5.3:
/home/mik/src/fate/src/libavcodec/ppc/float_altivec.c: In function
'vector_fmul_window_altivec':
/home/mik/src/fate/src/libavcodec/ppc/float_altivec.c:123:1: error:
unrecognizable insn:
(insn 65 64 66 5 /home/mik/src/fate/src/libavcodec/ppc/float_altivec.c:115 (set
(reg/v:V4SF 156 [ t0 ])
(neg:V4SF (minus:V4SF (mult:V4SF (reg/v:V4SF 153 [ s1 ])
(reg/v:V4SF 149 [ wi ]))
(reg/v:V4SF 155 [ t0 ])))) -1 (nil))
/home/mik/src/fate/src/libavcodec/ppc/float_altivec.c:123:1: internal compiler
error: in extract_insn, at recog.c:2103
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
No ICE is present on 4.6.3 or 4.7.0 with the same options.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/53233] ICE in extract_insn, at recog.c:2103
2012-05-04 17:57 [Bug target/53233] New: ICE in extract_insn, at recog.c:2103 gseanmcg at gmail dot com
@ 2012-05-04 19:00 ` gseanmcg at gmail dot com
2012-07-31 17:47 ` gseanmcg at gmail dot com
1 sibling, 0 replies; 3+ messages in thread
From: gseanmcg at gmail dot com @ 2012-05-04 19:00 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53233
--- Comment #1 from Sean McGovern <gseanmcg at gmail dot com> 2012-05-04 19:00:05 UTC ---
The code in question (with line numbers):
93 static void vector_fmul_window_altivec(float *dst, const float *src0,
const float *src1, const float *win, int len)
94 {
95 vector float zero, t0, t1, s0, s1, wi, wj;
96 const vector unsigned char reverse = vcprm(3,2,1,0);
97 int i,j;
98
99 dst += len;
100 win += len;
101 src0+= len;
102
103 zero = (vector float)vec_splat_u32(0);
104
105 for(i=-len*4, j=len*4-16; i<0; i+=16, j-=16) {
106 s0 = vec_ld(i, src0);
107 s1 = vec_ld(j, src1);
108 wi = vec_ld(i, win);
109 wj = vec_ld(j, win);
110
111 s1 = vec_perm(s1, s1, reverse);
112 wj = vec_perm(wj, wj, reverse);
113
114 t0 = vec_madd(s0, wj, zero);
115 t0 = vec_nmsub(s1, wi, t0);
116 t1 = vec_madd(s0, wi, zero);
117 t1 = vec_madd(s1, wj, t1);
118 t1 = vec_perm(t1, t1, reverse);
119
120 vec_st(t0, i, dst);
121 vec_st(t1, j, dst);
122 }
123 }
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/53233] ICE in extract_insn, at recog.c:2103
2012-05-04 17:57 [Bug target/53233] New: ICE in extract_insn, at recog.c:2103 gseanmcg at gmail dot com
2012-05-04 19:00 ` [Bug target/53233] " gseanmcg at gmail dot com
@ 2012-07-31 17:47 ` gseanmcg at gmail dot com
1 sibling, 0 replies; 3+ messages in thread
From: gseanmcg at gmail dot com @ 2012-07-31 17:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53233
Sean McGovern <gseanmcg at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |WONTFIX
--- Comment #2 from Sean McGovern <gseanmcg at gmail dot com> 2012-07-31 17:47:21 UTC ---
Closing as WONTFIX, since the 4.5 tree is now closed.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2012-07-31 17:47 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-05-04 17:57 [Bug target/53233] New: ICE in extract_insn, at recog.c:2103 gseanmcg at gmail dot com
2012-05-04 19:00 ` [Bug target/53233] " gseanmcg at gmail dot com
2012-07-31 17:47 ` gseanmcg at gmail dot com
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).