diff options
Diffstat (limited to 'libgcc/configure.ac')
| -rw-r--r-- | libgcc/configure.ac | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/libgcc/configure.ac b/libgcc/configure.ac index 269997f23e..af15147370 100644 --- a/libgcc/configure.ac +++ b/libgcc/configure.ac @@ -379,23 +379,24 @@ case ${host} in # software libraries, and whether the assembler can handle xsaddqp # for hardware support. powerpc*-*-linux*) + saved_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -mabi=altivec -mvsx -mfloat128" AC_CACHE_CHECK([for PowerPC ISA 2.06 to build __float128 libraries], [libgcc_cv_powerpc_float128], [AC_COMPILE_IFELSE( - [#pragma GCC target ("vsx") - vector double dadd (vector double a, vector double b) { return a + b; }], + [vector double dadd (vector double a, vector double b) { return a + b; }], [libgcc_cv_powerpc_float128=yes], [libgcc_cv_powerpc_float128=no])]) + CFLAGS="$CFLAGS -mpower9-vector -mfloat128-hardware" AC_CACHE_CHECK([for PowerPC ISA 3.0 to build hardware __float128 libraries], [libgcc_cv_powerpc_float128_hw], [AC_COMPILE_IFELSE( - [#pragma GCC target ("vsx,power9-vector") - #include <sys/auxv.h> + [#include <sys/auxv.h> #ifndef AT_PLATFORM #error "AT_PLATFORM is not defined" #endif - vector unsigned char (vector unsigned char a, vector unsigned char b) + vector unsigned char add (vector unsigned char a, vector unsigned char b) { vector unsigned char ret; __asm__ ("xsaddqp %0,%1,%2" : "=v" (ret) : "v" (a), "v" (b)); @@ -406,6 +407,7 @@ powerpc*-*-linux*) __attribute__ ((__ifunc__ ("add_resolver")));], [libgcc_cv_powerpc_float128_hw=yes], [libgcc_cv_powerpc_float128_hw=no])]) + CFLAGS="$saved_CFLAGS" esac # Collect host-machine-specific information. @@ -544,15 +546,18 @@ AC_SUBST(tm_defines) # Map from thread model to thread header. GCC_AC_THREAD_HEADER([$target_thread_file]) +# Determine what GCC version number to use in filesystem paths. +GCC_BASE_VER + # Substitute configuration variables AC_SUBST(cpu_type) AC_SUBST(extra_parts) AC_SUBST(asm_hidden_op) -AC_CONFIG_LINKS([enable-execute-stack.c:$enable_execute_stack]) -AC_CONFIG_LINKS([unwind.h:$unwind_header]) -AC_CONFIG_LINKS([md-unwind-support.h:config/$md_unwind_header]) -AC_CONFIG_LINKS([sfp-machine.h:config/$sfp_machine_header]) -AC_CONFIG_LINKS([gthr-default.h:$thread_header]) +AC_SUBST(enable_execute_stack) +AC_SUBST(unwind_header) +AC_SUBST(md_unwind_header) +AC_SUBST(sfp_machine_header) +AC_SUBST(thread_header) # We need multilib support. AC_CONFIG_FILES([Makefile]) |