Consistently use "rG" constraint for copy instruction in move patterns
[official-gcc.git] / libgomp / configure.tgt
blobd4f1e741b5ab8fd40567ff6b0a2e1c028dceb44a
1 # This is the target specific configuration file.  This is invoked by the
2 # autoconf generated configure script.  Putting it in a separate shell file
3 # lets us skip running autoconf when modifying target specific information.
5 # This file switches on the shell variable ${target}, and sets the
6 # following shell variables:
7 #  config_path          An ordered list of directories to search for
8 #                       sources and headers.  This is relative to the
9 #                       config subdirectory of the source tree.
10 #  XCFLAGS              Add extra compile flags to use.
11 #  XLDFLAGS             Add extra link flags to use.
12 #  tmake_file           A list of machine-description-specific
13 #                       makefile fragments.
15 # Optimize TLS usage by avoiding the overhead of dynamic allocation.
16 if test $gcc_cv_have_tls = yes ; then
17   case "${target}" in
19     *-*-k*bsd*-gnu*)
20         ;;
22     *-*-musl*)
23         ;;
25     *-*-linux* | *-*-gnu*)
26         XCFLAGS="${XCFLAGS} -ftls-model=initial-exec -DUSING_INITIAL_EXEC_TLS"
27         ;;
29     *-*-rtems*)
30         XCFLAGS="${XCFLAGS} -ftls-model=local-exec"
31         ;;
32   esac
35 tmake_file=
36 # Since we require POSIX threads, assume a POSIX system by default.
37 config_path="posix"
39 # Check for futex enabled all at once.
40 if test x$enable_linux_futex = xyes; then
41   case "${target}" in
43     aarch64*-*-linux*)
44         config_path="linux posix"
45         ;;
47     alpha*-*-linux*)
48         config_path="linux/alpha linux posix"
49         ;;
51     arm*-*-linux*)
52         config_path="linux posix"
53         ;;
55     ia64*-*-linux*)
56         config_path="linux/ia64 linux posix"
57         ;;
59     mips*-*-linux*)
60         config_path="linux/mips linux posix"
61         ;;
63     powerpc*-*-linux*)
64         config_path="linux/powerpc linux posix"
65         ;;
67     riscv64*-*-linux*)
68         config_path="linux posix"
69         ;;
71     s390*-*-linux*)
72         config_path="linux/s390 linux posix"
73         ;;
75     tile*-*-linux*)
76         config_path="linux/tile linux posix"
77         ;;
79     # Note that bare i386 is not included here.  We need cmpxchg.
80     i[456]86-*-linux* | x86_64-*-linux*)
81         config_path="linux/x86 linux posix"
82         cat > conftestx.c <<EOF
83 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
84 #error need -march=i486
85 #endif
86 EOF
87         if ${CC} ${CFLAGS} -E conftestx.c > /dev/null 2>&1; then
88           :
89         else
90           if test "${target_cpu}" = x86_64; then
91             XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic"
92           else
93             XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}"
94           fi
95         fi
96         rm -f conftestx.c
97         ;;
99     # Note that sparcv7 and sparcv8 is not included here.  We need cas.
100     sparcv9-*-linux* | sparc64-*-linux*)
101         echo "int i;" > conftestx.c
102         if ${CC} ${CFLAGS} -c -o conftestx.o conftestx.c > /dev/null 2>&1; then
103           config_path="linux/sparc linux posix"
104           case "`/usr/bin/file conftestx.o`" in
105             *32-bit*)
106               case " ${CC} ${CFLAGS}" in
107                 *" -mcpu=ultrasparc"*)
108                   ;;
109                 *)
110                   XCFLAGS="${XCFLAGS} -mcpu=v9"
111                   ;;
112               esac
113               ;;
114           esac
115         fi
116         rm -f conftestx.c conftestx.o
117         ;;
118   esac
121 # Other system configury
122 case "${target}" in
124   *-*-hpux*)
125         config_path="hpux posix"
126         case "${target}" in
127           *-*-hpux11*)
128              # HPUX v11.x requires -lrt to resolve sem_init in libgomp.la
129              XLDFLAGS="${XLDFLAGS} -lrt"
130              ;;
131         esac
132         case "${target}" in
133           hppa[12]*-*-hpux*)
134             # PA 32 HP-UX needs -frandom-seed for bootstrap compare.
135             XCFLAGS="${XCFLAGS} -frandom-seed=fixed-seed"
136             ;;
137         esac
138         ;;
140   *-*-mingw32*)
141         config_path="mingw32 posix"
142         ;;
144   *-*-darwin*)
145         config_path="bsd darwin posix"
146         ;;
148   *-*-freebsd*)
149         # Need to link with -lpthread so libgomp.so is self-contained.
150         XLDFLAGS="${XLDFLAGS} -lpthread"
151         ;;
153   *-*-aix*)
154         config_path="posix"
155         # Need to link with -lpthread so libgomp.so is self-contained.
156         XLDFLAGS="${XLDFLAGS} -lpthread"
157         # AIX needs -frandom-seed for bootstrap compare.
158         XCFLAGS="${XCFLAGS} -frandom-seed=\$@"
159         # Create AIX-style "FAT" libraries.
160         tmake_file="t-aix"
161         ;;
163   nvptx*-*-*)
164         config_path="nvptx accel"
165         ;;
167   *-*-rtems*)
168         # Use self-contained synchronization objects if provided by Newlib
169         if test "x$ac_cv_type_struct__Mutex_Control" = xyes ; then
170             config_path="rtems posix"
171         fi
172         ;;
174   amdgcn*-*-*)
175         config_path="gcn accel"
177         #TODO PR101484
178         XCFLAGS="$XCFLAGS -Wno-error=array-bounds"
179         ;;
181   *)
182         ;;
184 esac