diff options
Diffstat (limited to 'libgcc/configure')
| -rwxr-xr-x | libgcc/configure | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libgcc/configure b/libgcc/configure index dd3afb2..4919a56 100755 --- a/libgcc/configure +++ b/libgcc/configure @@ -5263,6 +5263,43 @@ fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128_hw" >&5 $as_echo "$libgcc_cv_powerpc_float128_hw" >&6; } CFLAGS="$saved_CFLAGS" + + saved_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -mcpu=power10 -mfloat128-hardware" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PowerPC ISA 3.1 to build hardware __float128 libraries" >&5 +$as_echo_n "checking for PowerPC ISA 3.1 to build hardware __float128 libraries... " >&6; } +if ${libgcc_cv_powerpc_3_1_float128_hw+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/auxv.h> + #ifndef AT_PLATFORM + #error "AT_PLATFORM is not defined" + #endif + #ifndef __BUILTIN_CPU_SUPPORTS__ + #error "__builtin_cpu_supports is not available" + #endif + vector unsigned char conv (vector unsigned char qs) + { + vector unsigned char ret; + __asm__ ("xscvsqqp %0,%1" : "=v" (ret) : "v" (qs)); + return ret; + } + void *conv_resolver (void) { return (void *) conv; } + __float128 conv_ifunc (__float128) + __attribute__ ((__ifunc__ ("conv_resolver"))); +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libgcc_cv_powerpc_3_1_float128_hw=yes +else + libgcc_cv_powerpc_3_1_float128_hw=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_3_1_float128_hw" >&5 +$as_echo "$libgcc_cv_powerpc_3_1_float128_hw" >&6; } + CFLAGS="$saved_CFLAGS" esac # Collect host-machine-specific information. |