diff options
Diffstat (limited to 'libgcc')
| -rw-r--r-- | libgcc/ChangeLog | 8 | ||||
| -rw-r--r-- | libgcc/configure | 11 | ||||
| -rw-r--r-- | libgcc/configure.ac | 11 |
3 files changed, 22 insertions, 8 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 1a4de2c..36e0847 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,11 @@ +2017-07-12 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR target/81193 + * configure.ac (PowerPC float128 hardware support): Test whether + we can use __builtin_cpu_supports before enabling the ifunc + handler. + * configure: Regenerate. + 2017-07-10 Vineet Gupta <vgupta@synopsys.com> * config.host: Remove uclibc from arc target spec. diff --git a/libgcc/configure b/libgcc/configure index 42dda7f..15d34b2 100644 --- a/libgcc/configure +++ b/libgcc/configure @@ -4975,10 +4975,10 @@ esac esac case ${host} in -# At present, we cannot turn -mfloat128 on via #pragma GCC target, -# so just check if we have VSX (ISA 2.06) support to build the -# software libraries, and whether the assembler can handle xsaddqp -# for hardware support. +# At present, we cannot turn -mfloat128 on via #pragma GCC target, so just +# check if we have VSX (ISA 2.06) support to build the software libraries, and +# whether the assembler can handle xsaddqp for hardware support. Also check if +# a new glibc is being used so that __builtin_cpu_supports can be used. powerpc*-*-linux*) saved_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -mabi=altivec -mvsx -mfloat128" @@ -5013,6 +5013,9 @@ else #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 add (vector unsigned char a, vector unsigned char b) { vector unsigned char ret; diff --git a/libgcc/configure.ac b/libgcc/configure.ac index 6bcaad6..da49971 100644 --- a/libgcc/configure.ac +++ b/libgcc/configure.ac @@ -376,10 +376,10 @@ esac esac case ${host} in -# At present, we cannot turn -mfloat128 on via #pragma GCC target, -# so just check if we have VSX (ISA 2.06) support to build the -# software libraries, and whether the assembler can handle xsaddqp -# for hardware support. +# At present, we cannot turn -mfloat128 on via #pragma GCC target, so just +# check if we have VSX (ISA 2.06) support to build the software libraries, and +# whether the assembler can handle xsaddqp for hardware support. Also check if +# a new glibc is being used so that __builtin_cpu_supports can be used. powerpc*-*-linux*) saved_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -mabi=altivec -mvsx -mfloat128" @@ -398,6 +398,9 @@ powerpc*-*-linux*) #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 add (vector unsigned char a, vector unsigned char b) { vector unsigned char ret; |