On 5 July 2012 14:23, Yeongkyoon Lee <yeongkyoon....@samsung.com> wrote: > Add an option "--enable-ldst-optimization" to enable > CONFIG_QEMU_LDST_OPTIMIZATION macro for TCG qemu_ld/st optimization. It only > works with CONFIG_SOFTMMU and doesn't work with CONFIG_TCG_PASS_AREG0.
This shouldn't be a user settable config option -- we should just identify what the optimal setting is for the guest/target combination and use it. > case "$target_arch2" in > alpha | sparc* | xtensa* | ppc*) > echo "CONFIG_TCG_PASS_AREG0=y" >> $config_target_mak > + # qemu_ld/st optimization is not available with CONFIG_TCG_PASS_AREG0 > + target_ldst_optimization="no" PASS_AREG0 is the way of the future -- you need to fix the ldst optimization to work with it. -- PMM
