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2015-10-07target-tilegx: Support iret instruction and related special registersChen Gang
EX_CONTEXT_0_0 is used for jumping address, and EX_CONTEXT_0_1 is for INTERRUPT_CRITICAL_SECTION, which should only be 0 or 1 in user mode, or it will cause target SIGILL (and the patch doesn't support system mode). Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07target-tilegx: Implement complex multiply instructionsRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07target-tilegx: Implement crc instructionsRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-09-15target-tilegx: Handle most bit manipulation instructionsRichard Henderson
The crc instructions are omitted from this set. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-09-15target-tilegx: Add several helpers for instructions translationChen Gang
The related instructions are exception, cntlz, cnttz, shufflebytes. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Message-Id: <BLU436-SMTP83F96FD8422BE49AFDC9DFB9660@phx.gbl> [rth: Remove incorrect implementation of add_saturate.] Signed-off-by: Richard Henderson <rth@twiddle.net>
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