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10 Commits

Author SHA1 Message Date
Chen Gang
fec7daab3d target-tilegx: Support iret instruction and related special registers 
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>
 2015-10-07 20:24:04 +11:00
Chen Gang
a419e22d70 target-tilegx: Implement v2mults instruction 
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Message-Id: <1443956491-26850-3-git-send-email-gang.chen.5i5j@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-10-07 20:03:16 +11:00
Chen Gang
aaf893a6ad target-tilegx: Implement v?int_* instructions. 
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Message-Id: <1443956491-26850-2-git-send-email-gang.chen.5i5j@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-10-07 20:03:16 +11:00
Richard Henderson
9ff5b57c21 target-tilegx: Implement complex multiply instructions 
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-10-07 20:03:14 +11:00
Richard Henderson
ba1fc78f65 target-tilegx: Implement crc instructions 
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-10-07 20:03:14 +11:00
Chen Gang
38c949ffe7 target-tilegx: Implement v1multu instruction 
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1442874414-3578-1-git-send-email-gang.chen.5i5j@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-10-07 20:03:14 +11:00
Chen Gang
0ab0a3d768 target-tilegx: Implement v*shl, v*shru, and v*shrs instructions 
v2sh* are implemented with helper functions; v4sh* are implmeneted
with inline code.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Message-Id: <1442872055-2836-1-git-send-email-gang.chen.5i5j@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-10-07 20:03:13 +11:00
Richard Henderson
461aa6783e target-tilegx: Handle v1shl, v1shru, v1shrs 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:34 -07:00
Richard Henderson
7f41a8d672 target-tilegx: Handle most bit manipulation instructions 
The crc instructions are omitted from this set.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
 2015-09-15 07:45:33 -07:00
Chen Gang
5b212be632 target-tilegx: Add several helpers for instructions translation 
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>
 2015-09-15 07:41:36 -07:00