[Bug libstdc++/97163] New: Build error with -mcpu=power9 on ppc64
pkubaj at anongoth dot pl
gcc-bugzilla@gcc.gnu.org
Tue Sep 22 11:44:45 GMT 2020
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97163
Bug ID: 97163
Summary: Build error with -mcpu=power9 on ppc64
Product: gcc
Version: 10.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: pkubaj at anongoth dot pl
Target Milestone: ---
The same error happens also on GCC 9.3.0.
I'm using Clang 11.0.0 rc2 to build, but it happened before with 10 (I only now
got to report it).
Issue:
gmake[5]: Entering directory
'/tmp/usr/ports/lang/gcc10/work/.build/build-powerpc64-portbld-freebsd13.0/libcpp'
test -f config.h || (rm -f stamp-h1 && gmake stamp-h1)
c++ -std=gnu++98 -I/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp -I.
-I/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/../include
-I/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/include -DLIBICONV_PLUG -O2
-pipe -mcpu=power9 -DLIBICONV_PLUG -W -Wall -Wno-narrowing -Wwrite-strings
-Wmissing-format-attribute -pedantic -Wno-long-long -fno-exceptions -fno-rtti
-I/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp -I.
-I/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/../include
-I/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/include -DLIBICONV_PLUG -c
-o lex.o -MT lex.o -MMD -MP -MF .deps/lex.Tpo
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c
c++: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is
deprecated [-Wdeprecated]
In file included from
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:23:
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/system.h:439:9: warning:
keyword is hidden by macro definition [-Wkeyword-macro]
#define true 1
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/system.h:440:9: warning:
keyword is hidden by macro definition [-Wkeyword-macro]
#define false 0
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:544:26: warning: unknown
attribute 'altivec' ignored [-Wunknown-attributes]
typedef __attribute__((altivec(vector))) unsigned char vc;
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:546:12: error: excess
elements in scalar initializer
const vc repl_nl = {
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:550:12: error: excess
elements in scalar initializer
const vc repl_cr = {
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:554:12: error: excess
elements in scalar initializer
const vc repl_bs = {
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:558:12: error: excess
elements in scalar initializer
const vc repl_qm = {
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:571:14: error: use of
undeclared identifier '__builtin_vec_vsx_ld'
data = __builtin_vec_vsx_ld (0, s);
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:574:19: error: use of
undeclared identifier '__builtin_vec_cmpeq'
m_nl = (vc) __builtin_vec_cmpeq(data, repl_nl);
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:575:19: error: use of
undeclared identifier '__builtin_vec_cmpeq'
m_cr = (vc) __builtin_vec_cmpeq(data, repl_cr);
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:576:19: error: use of
undeclared identifier '__builtin_vec_cmpeq'
m_bs = (vc) __builtin_vec_cmpeq(data, repl_bs);
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:577:19: error: use of
undeclared identifier '__builtin_vec_cmpeq'
m_qm = (vc) __builtin_vec_cmpeq(data, repl_qm);
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:584:11: error: use of
undeclared identifier '__builtin_vec_vcmpeq_p'
while (!__builtin_vec_vcmpeq_p(/*__CR6_LT_REV*/3, t, zero));
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:595:23: error: array is
too large (18446744073709551615 elements)
unsigned long l[(N == 2 || N == 4) ? N : -1];
^~~~~~~~~~~~~~~~~~~~~~~~~~~
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:602:13: warning: no case
matching constant switch condition '0'
switch (N)
^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:590:12: note: expanded
from macro 'N'
#define N (sizeof(vc) / sizeof(long))
^~~~~~~~~~~~~~~~~~~~~~~~~~~
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:1729:8: warning: result
of comparison against a string literal is unspecified (use an explicit string
comparison function instead) [-Wstring-compare]
BUF_APPEND ("\\", 1);
^~~~~~~~~~~~~~~~~~~~
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:1699:30: note: expanded
from macro 'BUF_APPEND'
&& (const uchar *)(STR) != base \
~~~~~~~~~~~~~~~~~~~~ ^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:1738:5: warning: result
of comparison against a string literal is unspecified (use an explicit string
comparison function instead) [-Wstring-compare]
BUF_APPEND (" ", 1);
^~~~~~~~~~~~~~~~~~~
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:1699:30: note: expanded
from macro 'BUF_APPEND'
&& (const uchar *)(STR) != base \
~~~~~~~~~~~~~~~~~~~~ ^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:1741:8: warning: result
of comparison against a string literal is unspecified (use an explicit string
comparison function instead) [-Wstring-compare]
BUF_APPEND ("\n", 1);
^~~~~~~~~~~~~~~~~~~~
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:1699:30: note: expanded
from macro 'BUF_APPEND'
&& (const uchar *)(STR) != base \
~~~~~~~~~~~~~~~~~~~~ ^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:1764:5: warning: result
of comparison against a string literal is unspecified (use an explicit string
comparison function instead) [-Wstring-compare]
BUF_APPEND ("??", 2);
^~~~~~~~~~~~~~~~~~~~
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:1699:30: note: expanded
from macro 'BUF_APPEND'
&& (const uchar *)(STR) != base \
~~~~~~~~~~~~~~~~~~~~ ^
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:1773:9: warning: result
of comparison against a string literal is unspecified (use an explicit string
comparison function instead) [-Wstring-compare]
BUF_APPEND ("/", 1);
^~~~~~~~~~~~~~~~~~~
/tmp/usr/ports/lang/gcc10/work/gcc-10.2.0/libcpp/lex.c:1699:30: note: expanded
from macro 'BUF_APPEND'
&& (const uchar *)(STR) != base \
~~~~~~~~~~~~~~~~~~~~ ^
9 warnings and 11 errors generated.
gmake[5]: *** [Makefile:224: lex.o] Error 1
gmake[5]: Leaving directory
'/tmp/usr/ports/lang/gcc10/work/.build/build-powerpc64-portbld-freebsd13.0/libcpp'
gmake[4]: *** [Makefile:2923: all-build-libcpp] Error 2
gmake[4]: Leaving directory '/tmp/usr/ports/lang/gcc10/work/.build'
gmake[3]: *** [Makefile:22903: stage1-bubble] Error 2
gmake[3]: Leaving directory '/tmp/usr/ports/lang/gcc10/work/.build'
gmake[2]: *** [Makefile:23235: bootstrap-lean] Error 2
gmake[2]: Leaving directory '/tmp/usr/ports/lang/gcc10/work/.build'
*** Error code 1
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