Richard Henderson
a4bcea3d67
target-i386: Use mulu2 and muls2
...
These correspond very closely to the insns that we're emulating.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-02-27 19:06:28 +00:00
Richard Henderson
321c535105
target-i386: Implement tzcnt and fix lzcnt
...
We weren't computing flags for lzcnt at all. At the same time,
adjust the implementation of bsf/bsr to avoid the local branch,
using movcond instead.
Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-02-19 23:05:18 -08:00
Richard Henderson
f1300734cb
target-i386: Use clz/ctz for bsf/bsr helpers
...
And mark the helpers as NO_RWG_SE.
Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-02-19 23:05:18 -08:00
Richard Henderson
0592f74a75
target-i386: Implement PDEP, PEXT
...
Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-02-18 15:52:32 -08:00
Richard Henderson
5f1f4b1771
target-i386: Implement MULX
...
Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-02-18 15:52:32 -08:00
Paolo Bonzini
1de7afc984
misc: move include files to include/qemu/
...
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19 08:32:39 +01:00
Blue Swirl
7923057bae
x86: avoid AREG0 for integer helpers
...
Add an explicit CPUX86State parameter instead of relying on AREG0.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-14 19:01:25 +00:00
Blue Swirl
f0967a1add
x86: avoid AREG0 for condition code helpers
...
Add an explicit CPUX86State parameter instead of relying on AREG0.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-14 19:01:25 +00:00
Blue Swirl
d758207801
x86: split off integer helpers
...
Move integer and bit field helpers to int_helper.c.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-06-28 20:28:08 +00:00
