diff options
Diffstat (limited to 'gcc-4.9/gcc/configure.ac')
| -rw-r--r-- | gcc-4.9/gcc/configure.ac | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/configure.ac b/gcc-4.9/gcc/configure.ac index 309f068e2..7e545d74a 100644 --- a/gcc-4.9/gcc/configure.ac +++ b/gcc-4.9/gcc/configure.ac @@ -3562,6 +3562,29 @@ case "$target" in done fi fi + # Enable default workaround for AArch64 Cortex-A53 erratum 835769. + AC_ARG_ENABLE(fix-cortex-a53-835769, + [ +AS_HELP_STRING([--enable-fix-cortex-a53-835769], + [enable workaround for AArch64 Cortex-A53 erratum 835769 by default]) +AS_HELP_STRING([--disable-fix-cortex-a53-835769], + [disable workaround for AArch64 Cortex-A53 erratum 835769 by default]) + ], + [ + case $enableval in + yes) + tm_defines="${tm_defines} TARGET_FIX_ERR_A53_835769_DEFAULT=1" + ;; + no) + ;; + *) + AC_MSG_ERROR(['$enableval' is an invalid value for --enable-fix-cortex-a53-835769.\ + Valid choices are 'yes' and 'no'.]) + ;; + + esac + ], + []) ;; # All TARGET_ABI_OSF targets. |