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From: "trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/65240] [5 Regression] ICE (insn does not satisfy its constraints) on powerpc64le-linux-gnu
Date: Mon, 02 Mar 2015 12:49:00 -0000 [thread overview]
Message-ID: <bug-65240-4-JneTIFLTco@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-65240-4@http.gcc.gnu.org/bugzilla/>
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65240
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-03-02
Ever confirmed|0 |1
--- Comment #6 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Attached unreduced testcase ICEs for me. Reduced testcase from comment 5
doesn't.
trippels@gcc2-power8 ~ % cat filters.i
int b, d, e;
double c;
double *f;
int
fn1(double p1) {
if (p1 && p1 <= 1)
return 1;
return 0;
}
double fn2(double p1) {
if (p1 < 0)
p1 = -p1;
if (p1 < 1)
return -p1 - 1;
if (p1 < .5)
return .75 - p1 * p1;
}
double fn3(double p1) {
int a;
if (p1 < 0)
return a * p1 + 3.0;
if (p1 < 2)
return 1 / 6.0 * p1 * p1 * p1;
}
double fn4(double p1) {
if (b == 0)
fn5(p1);
else if (b == 1)
return fn1(p1);
else if (b == 3)
return fn2(p1);
else if (b == 5)
return fn3(p1);
}
void
fn6() {
double g, h;
int j = e, i;
g = e;
for (; j; i++) {
d = 0;
for (; d < 1; d++) {
c = (i + 1.0) / 0.1 - 1;
h = ((2.0 * d + 1) / j - 1) * g;
*f = fn4(c) * fn4(h);
}
}
}
trippels@gcc2-power8 ~ % ~/gcc_test/usr/local/bin/gcc -w -std=gnu99 -c -O3
-ffast-math filters.i
filters.i: In function âfn6â:
filters.i:48:1: error: insn does not satisfy its constraints:
}
^
(insn 86 598 599 3 (set (reg:DF 98 21 [345])
(mem/u/c:DF (lo_sum:DI (reg:DI 8 8)
(unspec:DI [
(symbol_ref/u:DI ("*.LC8") [flags 0x82])
(reg:DI 2 2)
] UNSPEC_TOCREL)) [2 S8 A64])) filters.i:44 499
{*movdf_hardfloat64}
(expr_list:REG_EQUIV (const_double:DF -1.0e+0 [-0x0.8p+1])
(nil)))
filters.i:48:1: internal compiler error: in extract_constrain_insn, at
recog.c:2246
0x1075f653 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../gcc/gcc/rtl-error.c:110
0x1075f6b7 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../../gcc/gcc/rtl-error.c:121
0x107264fb extract_constrain_insn(rtx_insn*)
../../gcc/gcc/recog.c:2246
0x106ff137 reload_cse_simplify_operands
../../gcc/gcc/postreload.c:430
0x10700723 reload_cse_simplify
../../gcc/gcc/postreload.c:207
0x10700723 reload_cse_regs_1
../../gcc/gcc/postreload.c:246
0x107009e7 reload_cse_regs
../../gcc/gcc/postreload.c:94
0x107009e7 execute
../../gcc/gcc/postreload.c:2367
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
>From gcc-bugs-return-478985-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Mar 02 13:38:46 2015
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From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/65276] New: [5 Regression] LTO: ICE add_type_duplicate, at ipa-devirt.c:1462
Date: Mon, 02 Mar 2015 13:38:00 -0000
X-Bugzilla-Reason: CC
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: lto
X-Bugzilla-Version: 5.0
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: burnus at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
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Message-ID: <bug-65276-4@http.gcc.gnu.org/bugzilla/>
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https://gcc.gnu.org/bugzilla/show_bug.cgi?ide276
Bug ID: 65276
Summary: [5 Regression] LTO: ICE add_type_duplicate, at
ipa-devirt.c:1462
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: burnus at gcc dot gnu.org
CC: hubicka at gcc dot gnu.org
Created attachment 34919
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id4919&actioníit
File "one.ii" - compile with -O0 (g++ -w -c -flto -O0 -std=c++11 one.ii)
Seems to be introduced in the last few days (max. 2 weeks) as it compiled
before.
The attached program fails with:
lto1: internal compiler error: in add_type_duplicate, at ipa-devirt.c:1462
Compile with:
g++ -w -c -flto -O0 -std=c++11 one.ii
g++ -w -c -flto -O2 -std=c++11 two.ii
gcc -r -nostdlib -O0 -Wodr -flto-odr-type-merging one.o two.o
next prev parent reply other threads:[~2015-03-02 12:49 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-27 17:20 [Bug target/65240] New: " doko at gcc dot gnu.org
2015-03-02 8:45 ` [Bug target/65240] " rguenth at gcc dot gnu.org
2015-03-02 11:36 ` mpolacek at gcc dot gnu.org
2015-03-02 11:40 ` trippels at gcc dot gnu.org
2015-03-02 12:22 ` doko at gcc dot gnu.org
2015-03-02 12:23 ` doko at gcc dot gnu.org
2015-03-02 12:25 ` doko at gcc dot gnu.org
2015-03-02 12:49 ` trippels at gcc dot gnu.org [this message]
2015-03-03 20:42 ` msebor at gcc dot gnu.org
2015-03-03 22:15 ` dje at gcc dot gnu.org
2015-03-03 22:27 ` meissner at gcc dot gnu.org
2015-03-03 22:31 ` msebor at gcc dot gnu.org
2015-03-03 22:49 ` law at redhat dot com
2015-03-04 18:20 ` meissner at gcc dot gnu.org
2015-03-04 21:22 ` meissner at gcc dot gnu.org
2015-03-04 21:24 ` meissner at gcc dot gnu.org
2015-03-16 19:31 ` meissner at gcc dot gnu.org
2015-03-19 23:33 ` meissner at gcc dot gnu.org
2015-03-19 23:37 ` meissner at gcc dot gnu.org
2015-04-03 23:17 ` amodra at gcc dot gnu.org
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