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# Date Author Comment
f1300734 02/20/2013 09:05 am Richard Henderson

target-i386: Use clz/ctz for bsf/bsr helpers

And mark the helpers as NO_RWG_SE.

Signed-off-by: Richard Henderson <>
321c5351 02/20/2013 09:05 am Richard Henderson

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 <>
5f1f4b17 02/19/2013 01:52 am Richard Henderson

target-i386: Implement MULX

Signed-off-by: Richard Henderson <>
0592f74a 02/19/2013 01:52 am Richard Henderson

target-i386: Implement PDEP, PEXT

Signed-off-by: Richard Henderson <>
1de7afc9 12/19/2012 09:32 am Paolo Bonzini

misc: move include files to include/qemu/

Signed-off-by: Paolo Bonzini <>
f0967a1a 08/14/2012 10:01 pm Blue Swirl

x86: avoid AREG0 for condition code helpers

Add an explicit CPUX86State parameter instead of relying on AREG0.

Signed-off-by: Blue Swirl <>
7923057b 08/14/2012 10:01 pm Blue Swirl

x86: avoid AREG0 for integer helpers

Add an explicit CPUX86State parameter instead of relying on AREG0.

Signed-off-by: Blue Swirl <>
d7582078 06/28/2012 11:28 pm Blue Swirl

x86: split off integer helpers

Move integer and bit field helpers to int_helper.c.

Signed-off-by: Blue Swirl <>