This is common code in most qemu_{ld,st} slow paths, moving two
registers when there may be overlap between sources and destinations.
At present, this is only used by 32-bit hosts for 64-bit data,
but will shortly be used for more than that.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/tcg.c | 69 ++++++++++++++++++++++++++++++++++++---
tcg/arm/tcg-target.c.inc | 44 ++++++++++---------------
tcg/i386/tcg-target.c.inc | 19 +++++------
3 files changed, 90 insertions(+), 42 deletions(-)