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Always reserve r3 for tlb softmmu lookup. Fix a bug in user-only
ALL_QLDST_REGS, in that r14 is clobbered by the BLNE that leads
to the misaligned trap. Remove r0+r1 from user-only ALL_QLDST_REGS;
I believe these had been reserved for bswap, which we no longer
perform during qemu_st.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Although we still can't use ldrd and strd for all operations,
increase the chances by getting the register allocation correct.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Implement via expansion, so don't actually set TCG_TARGET_HAS_roti_vec.
For NEON, this is shift-right followed by shift-left-and-insert.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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NEON has 3 instructions implementing this 4 argument operation,
with each insn overlapping a different logical input onto the
destination register.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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These logical and arithmetic operations are optional, but are
trivial to accomplish with the existing infrastructure.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Implementing dup2, add, sub, and, or, xor as the minimal set.
This allows us to actually enable neon in the header file.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Add registers and function stubs. The functionality
is disabled via use_neon_instructions defined to 0.
We must still include results for the mandatory opcodes in
tcg_target_op_def, as all opcodes are checked during tcg init.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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