Alex Bennée caba238b5a tcg: enable MTTCG by default for ARM on x86 hosts ... This enables the multi-threaded system emulation by default for ARMv7 and ARMv8 guests using the x86_64 TCG backend. This is because on the guest side: - The ARM translate.c/translate-64.c have been converted to - use MTTCG safe atomic primitives - emit the appropriate barrier ops - The ARM machine has been updated to - hold the BQL when modifying shared cross-vCPU state - defer powerctl changes to async safe work All the host backends support the barrier and atomic primitives but need to provide same-or-better support for normal load/store operations. Backports commit ca759f9e387db87e1719911f019bc60c74be9ed8 from qemu		2018-03-02 10:32:47 -05:00
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tcg-target.h	tcg: enable MTTCG by default for ARM on x86 hosts	2018-03-02 10:32:47 -05:00
tcg-target.inc.c	tcg/i386: Handle ctpop opcode	2018-03-01 18:49:43 -05:00