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target-ppc: add vextu[bhw][lr]x instructions

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vextublx: Vector Extract Unsigned Byte Left
vextuhlx: Vector Extract Unsigned Halfword Left
vextuwlx: Vector Extract Unsigned Word Left
vextubrx: Vector Extract Unsigned Byte Right-Indexed VX-form
vextuhrx: Vector Extract Unsigned  Halfword Right-Indexed VX-form
vextuwrx: Vector Extract Unsigned Word Right-Indexed VX-form

Signed-off-by: Avinesh Kumar <avinesku@linux.vnet.ibm.com>
Signed-off-by: Hariharan T.S. <hari@linux.vnet.ibm.com>
[ implement using int128_rshift ]
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Avinesh Kumar 2016-11-28 13:26:42 +05:30 • committed by David Gibson
parent 466a3f9ca3
commit 60caf2216b
5 changed files with 73 additions and 2 deletions
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2
target/ppc/cpu.h
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@ -21,6 +21,7 @@
#define PPC_CPU_H
#include "qemu-common.h"
#include "qemu/int128.h"
//#define PPC_EMULATE_32BITS_HYPV
@ -262,6 +263,7 @@ union ppc_avr_t {
#ifdef CONFIG_INT128
__uint128_t u128;
#endif
Int128 s128;
};
#if !defined(CONFIG_USER_ONLY)