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[Bug target/69444] New: [6 Regression] recent changes broke x64_64 -> powerpc crosscompiler build
- From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 23 Jan 2016 16:07:06 +0000
- Subject: [Bug target/69444] New: [6 Regression] recent changes broke x64_64 -> powerpc crosscompiler build
- Auto-submitted: auto-generated
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69444
Bug ID: 69444
Summary: [6 Regression] recent changes broke x64_64 -> powerpc
crosscompiler build
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: powerpc-unknown-linux-gnu
powerpc64-unknown-linux-gnu builds fine, but powerpc-unknown-linux-gnu
crosscompiler fails to build with:
$ /repo/gcc-trunk/configure --enable-languages=c,c++
--enable-checking=yes,rtl,df --without-cloog --without-ppl --without-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=powerpc-unknown-linux-gnu
--with-ld=/usr/bin/powerpc-unknown-linux-gnu-ld
--with-as=/usr/bin/powerpc-unknown-linux-gnu-as
--with-sysroot=/usr/powerpc-unknown-linux-gnu --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-232765-checking-yes-rtl-df-nographite-powerpc
...
$ make
...
In file included from /repo/gcc-trunk/libgcc/soft-fp/soft-fp.h:42:0,
from /repo/gcc-trunk/libgcc/config/rs6000/ibm-ldouble.c:372:
/repo/gcc-trunk/libgcc/config/rs6000/ibm-ldouble.c: In function 'fmsub':
./sfp-machine.h:148:5: error: impossible constraint in 'asm'
__asm__ __volatile__ ("mtfsf 255, %0" \
^
/repo/gcc-trunk/libgcc/config/rs6000/ibm-ldouble.c:393:5: note: in expansion of
macro 'FP_INIT_ROUNDMODE'
FP_INIT_ROUNDMODE;
^~~~~~~~~~~~~~~~~
./sfp-machine.h:148:5: error: impossible constraint in 'asm'
__asm__ __volatile__ ("mtfsf 255, %0" \
^
/repo/gcc-trunk/libgcc/config/rs6000/ibm-ldouble.c:414:5: note: in expansion of
macro 'FP_INIT_ROUNDMODE'
FP_INIT_ROUNDMODE;
^~~~~~~~~~~~~~~~~
./sfp-machine.h:148:5: error: impossible constraint in 'asm'
__asm__ __volatile__ ("mtfsf 255, %0" \
^
/repo/gcc-trunk/libgcc/config/rs6000/ibm-ldouble.c:422:5: note: in expansion of
macro 'FP_INIT_ROUNDMODE'
FP_INIT_ROUNDMODE;
^~~~~~~~~~~~~~~~~