We now produce exactly the same code via generic expansion.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Create a special subclass for sub, because two backends can
support "subtract from immediate". Drop all backend support
for an immediate as the second operand, as we transform sub
to add during optimize.
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Replace target-specific 'Z' with generic 'z'.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The softmmu tlb uses TCG_REG_TMP[0-3], not any of the normally available
registers. Now that we handle overlap betwen inputs and helper arguments,
and have eliminated use of A0, we can allow any allocatable reg.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
